blob: bde0ef1a63df4876d5149c85f4083eb92561dbb4 [file] [log] [blame]
Len Brown103a8fe2010-10-22 23:53:03 -04001/*
2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel turbo-capable processors.
4 *
Len Brown144b44b2013-11-09 00:30:16 -05005 * Copyright (c) 2013 Intel Corporation.
Len Brown103a8fe2010-10-22 23:53:03 -04006 * Len Brown <len.brown@intel.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
Len Brown88c32812012-03-29 21:44:40 -040022#define _GNU_SOURCE
Josh Triplettb731f312013-08-20 17:20:12 -070023#include MSRHEADER
Josh Triplett95aebc42013-08-20 17:20:16 -070024#include <stdarg.h>
Len Brown103a8fe2010-10-22 23:53:03 -040025#include <stdio.h>
Josh Triplettb2c95d92013-08-20 17:20:18 -070026#include <err.h>
Len Brown103a8fe2010-10-22 23:53:03 -040027#include <unistd.h>
28#include <sys/types.h>
29#include <sys/wait.h>
30#include <sys/stat.h>
31#include <sys/resource.h>
32#include <fcntl.h>
33#include <signal.h>
34#include <sys/time.h>
35#include <stdlib.h>
Len Brownd8af6f52015-02-10 01:56:38 -050036#include <getopt.h>
Len Brown103a8fe2010-10-22 23:53:03 -040037#include <dirent.h>
38#include <string.h>
39#include <ctype.h>
Len Brown88c32812012-03-29 21:44:40 -040040#include <sched.h>
Josh Triplett2b928652013-08-20 17:20:14 -070041#include <cpuid.h>
Len Brown98481e72014-08-15 00:36:50 -040042#include <linux/capability.h>
43#include <errno.h>
Len Brown103a8fe2010-10-22 23:53:03 -040044
Len Brown103a8fe2010-10-22 23:53:03 -040045char *proc_stat = "/proc/stat";
Len Brownd8af6f52015-02-10 01:56:38 -050046unsigned int interval_sec = 5;
47unsigned int debug;
48unsigned int rapl_joules;
49unsigned int summary_only;
50unsigned int dump_only;
Len Brown103a8fe2010-10-22 23:53:03 -040051unsigned int skip_c0;
52unsigned int skip_c1;
53unsigned int do_nhm_cstates;
54unsigned int do_snb_cstates;
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -070055unsigned int do_knl_cstates;
Len Brownee7e38e2015-02-09 23:39:45 -050056unsigned int do_pc2;
57unsigned int do_pc3;
58unsigned int do_pc6;
59unsigned int do_pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -080060unsigned int do_c8_c9_c10;
Len Brown0b2bb692015-03-26 00:50:30 -040061unsigned int do_skl_residency;
Len Brown144b44b2013-11-09 00:30:16 -050062unsigned int do_slm_cstates;
63unsigned int use_c1_residency_msr;
Len Brown103a8fe2010-10-22 23:53:03 -040064unsigned int has_aperf;
Len Brown889facb2012-11-08 00:48:57 -050065unsigned int has_epb;
Len Brownfc04cc62014-02-06 00:55:19 -050066unsigned int units = 1000000; /* MHz etc */
Len Brown103a8fe2010-10-22 23:53:03 -040067unsigned int genuine_intel;
68unsigned int has_invariant_tsc;
Len Brownd7899442015-01-23 00:12:33 -050069unsigned int do_nhm_platform_info;
Len Brown2f32edf2012-09-21 23:45:46 -040070unsigned int extra_msr_offset32;
71unsigned int extra_msr_offset64;
Len Brown8e180f32012-09-22 01:25:08 -040072unsigned int extra_delta_offset32;
73unsigned int extra_delta_offset64;
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +020074unsigned int aperf_mperf_multiplier = 1;
Len Brown1ed51012013-02-10 17:19:24 -050075int do_smi;
Len Brown103a8fe2010-10-22 23:53:03 -040076double bclk;
Len Browna2b7b742015-09-26 00:12:38 -040077double base_hz;
78double tsc_tweak = 1.0;
Len Brown103a8fe2010-10-22 23:53:03 -040079unsigned int show_pkg;
80unsigned int show_core;
81unsigned int show_cpu;
Len Brownc98d5d92012-06-04 00:56:40 -040082unsigned int show_pkg_only;
83unsigned int show_core_only;
84char *output_buffer, *outp;
Len Brown889facb2012-11-08 00:48:57 -050085unsigned int do_rapl;
86unsigned int do_dts;
87unsigned int do_ptm;
88unsigned int tcc_activation_temp;
89unsigned int tcc_activation_temp_override;
Andrey Semin40ee8e32014-12-05 00:07:00 -050090double rapl_power_units, rapl_time_units;
91double rapl_dram_energy_units, rapl_energy_units;
Len Brown889facb2012-11-08 00:48:57 -050092double rapl_joule_counter_range;
Len Brown3a9a9412014-08-15 02:39:52 -040093unsigned int do_core_perf_limit_reasons;
94unsigned int do_gfx_perf_limit_reasons;
95unsigned int do_ring_perf_limit_reasons;
Len Brown8a5bdf42015-04-01 21:02:57 -040096unsigned int crystal_hz;
97unsigned long long tsc_hz;
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -040098int base_cpu;
Len Brown889facb2012-11-08 00:48:57 -050099
Len Browne6f9bb32013-12-03 02:19:19 -0500100#define RAPL_PKG (1 << 0)
101 /* 0x610 MSR_PKG_POWER_LIMIT */
102 /* 0x611 MSR_PKG_ENERGY_STATUS */
103#define RAPL_PKG_PERF_STATUS (1 << 1)
104 /* 0x613 MSR_PKG_PERF_STATUS */
105#define RAPL_PKG_POWER_INFO (1 << 2)
106 /* 0x614 MSR_PKG_POWER_INFO */
107
108#define RAPL_DRAM (1 << 3)
109 /* 0x618 MSR_DRAM_POWER_LIMIT */
110 /* 0x619 MSR_DRAM_ENERGY_STATUS */
Len Browne6f9bb32013-12-03 02:19:19 -0500111#define RAPL_DRAM_PERF_STATUS (1 << 4)
112 /* 0x61b MSR_DRAM_PERF_STATUS */
Len Brown0b2bb692015-03-26 00:50:30 -0400113#define RAPL_DRAM_POWER_INFO (1 << 5)
114 /* 0x61c MSR_DRAM_POWER_INFO */
Len Browne6f9bb32013-12-03 02:19:19 -0500115
Len Brown0b2bb692015-03-26 00:50:30 -0400116#define RAPL_CORES (1 << 6)
Len Browne6f9bb32013-12-03 02:19:19 -0500117 /* 0x638 MSR_PP0_POWER_LIMIT */
118 /* 0x639 MSR_PP0_ENERGY_STATUS */
Len Brown0b2bb692015-03-26 00:50:30 -0400119#define RAPL_CORE_POLICY (1 << 7)
Len Browne6f9bb32013-12-03 02:19:19 -0500120 /* 0x63a MSR_PP0_POLICY */
121
Len Brown0b2bb692015-03-26 00:50:30 -0400122#define RAPL_GFX (1 << 8)
Len Browne6f9bb32013-12-03 02:19:19 -0500123 /* 0x640 MSR_PP1_POWER_LIMIT */
124 /* 0x641 MSR_PP1_ENERGY_STATUS */
125 /* 0x642 MSR_PP1_POLICY */
Len Brown889facb2012-11-08 00:48:57 -0500126#define TJMAX_DEFAULT 100
127
128#define MAX(a, b) ((a) > (b) ? (a) : (b))
Len Brown103a8fe2010-10-22 23:53:03 -0400129
130int aperf_mperf_unstable;
131int backwards_count;
132char *progname;
Len Brown103a8fe2010-10-22 23:53:03 -0400133
Len Brownc98d5d92012-06-04 00:56:40 -0400134cpu_set_t *cpu_present_set, *cpu_affinity_set;
135size_t cpu_present_setsize, cpu_affinity_setsize;
Len Brown103a8fe2010-10-22 23:53:03 -0400136
Len Brownc98d5d92012-06-04 00:56:40 -0400137struct thread_data {
138 unsigned long long tsc;
139 unsigned long long aperf;
140 unsigned long long mperf;
Len Brown144b44b2013-11-09 00:30:16 -0500141 unsigned long long c1;
Len Brown2f32edf2012-09-21 23:45:46 -0400142 unsigned long long extra_msr64;
Len Brown8e180f32012-09-22 01:25:08 -0400143 unsigned long long extra_delta64;
144 unsigned long long extra_msr32;
145 unsigned long long extra_delta32;
Len Brown1ed51012013-02-10 17:19:24 -0500146 unsigned int smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400147 unsigned int cpu_id;
148 unsigned int flags;
149#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
150#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
151} *thread_even, *thread_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400152
Len Brownc98d5d92012-06-04 00:56:40 -0400153struct core_data {
154 unsigned long long c3;
155 unsigned long long c6;
156 unsigned long long c7;
Len Brown889facb2012-11-08 00:48:57 -0500157 unsigned int core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400158 unsigned int core_id;
159} *core_even, *core_odd;
Len Brown103a8fe2010-10-22 23:53:03 -0400160
Len Brownc98d5d92012-06-04 00:56:40 -0400161struct pkg_data {
162 unsigned long long pc2;
163 unsigned long long pc3;
164 unsigned long long pc6;
165 unsigned long long pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800166 unsigned long long pc8;
167 unsigned long long pc9;
168 unsigned long long pc10;
Len Brown0b2bb692015-03-26 00:50:30 -0400169 unsigned long long pkg_wtd_core_c0;
170 unsigned long long pkg_any_core_c0;
171 unsigned long long pkg_any_gfxe_c0;
172 unsigned long long pkg_both_core_gfxe_c0;
Len Brownc98d5d92012-06-04 00:56:40 -0400173 unsigned int package_id;
Len Brown889facb2012-11-08 00:48:57 -0500174 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
175 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
176 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
177 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
178 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
179 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
180 unsigned int pkg_temp_c;
181
Len Brownc98d5d92012-06-04 00:56:40 -0400182} *package_even, *package_odd;
183
184#define ODD_COUNTERS thread_odd, core_odd, package_odd
185#define EVEN_COUNTERS thread_even, core_even, package_even
186
187#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
188 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
189 topo.num_threads_per_core + \
190 (core_no) * topo.num_threads_per_core + (thread_no))
191#define GET_CORE(core_base, core_no, pkg_no) \
192 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
193#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
194
195struct system_summary {
196 struct thread_data threads;
197 struct core_data cores;
198 struct pkg_data packages;
199} sum, average;
200
201
202struct topo_params {
203 int num_packages;
204 int num_cpus;
205 int num_cores;
206 int max_cpu_num;
207 int num_cores_per_pkg;
208 int num_threads_per_core;
209} topo;
210
211struct timeval tv_even, tv_odd, tv_delta;
212
213void setup_all_buffers(void);
214
215int cpu_is_not_present(int cpu)
Len Brownd15cf7c2012-06-03 23:24:00 -0400216{
Len Brownc98d5d92012-06-04 00:56:40 -0400217 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brownd15cf7c2012-06-03 23:24:00 -0400218}
Len Brown88c32812012-03-29 21:44:40 -0400219/*
Len Brownc98d5d92012-06-04 00:56:40 -0400220 * run func(thread, core, package) in topology order
221 * skip non-present cpus
Len Brown88c32812012-03-29 21:44:40 -0400222 */
Len Brownd15cf7c2012-06-03 23:24:00 -0400223
Len Brownc98d5d92012-06-04 00:56:40 -0400224int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
225 struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
Len Brown88c32812012-03-29 21:44:40 -0400226{
Len Brownc98d5d92012-06-04 00:56:40 -0400227 int retval, pkg_no, core_no, thread_no;
228
229 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
230 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
231 for (thread_no = 0; thread_no <
232 topo.num_threads_per_core; ++thread_no) {
233 struct thread_data *t;
234 struct core_data *c;
235 struct pkg_data *p;
236
237 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
238
239 if (cpu_is_not_present(t->cpu_id))
240 continue;
241
242 c = GET_CORE(core_base, core_no, pkg_no);
243 p = GET_PKG(pkg_base, pkg_no);
244
245 retval = func(t, c, p);
246 if (retval)
247 return retval;
248 }
249 }
250 }
251 return 0;
Len Brown88c32812012-03-29 21:44:40 -0400252}
253
254int cpu_migrate(int cpu)
255{
Len Brownc98d5d92012-06-04 00:56:40 -0400256 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
257 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
258 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
Len Brown88c32812012-03-29 21:44:40 -0400259 return -1;
260 else
261 return 0;
262}
263
Len Brown15aaa342012-03-29 22:19:58 -0400264int get_msr(int cpu, off_t offset, unsigned long long *msr)
Len Brown103a8fe2010-10-22 23:53:03 -0400265{
266 ssize_t retval;
Len Brown103a8fe2010-10-22 23:53:03 -0400267 char pathname[32];
268 int fd;
269
270 sprintf(pathname, "/dev/cpu/%d/msr", cpu);
271 fd = open(pathname, O_RDONLY);
Len Brown15aaa342012-03-29 22:19:58 -0400272 if (fd < 0)
Len Brown98481e72014-08-15 00:36:50 -0400273 err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
Len Brown103a8fe2010-10-22 23:53:03 -0400274
Len Brown15aaa342012-03-29 22:19:58 -0400275 retval = pread(fd, msr, sizeof *msr, offset);
Len Brown103a8fe2010-10-22 23:53:03 -0400276 close(fd);
Len Brown15aaa342012-03-29 22:19:58 -0400277
Len Brown98481e72014-08-15 00:36:50 -0400278 if (retval != sizeof *msr)
279 err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset);
Len Brown15aaa342012-03-29 22:19:58 -0400280
281 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400282}
283
Len Brownfc04cc62014-02-06 00:55:19 -0500284/*
285 * Example Format w/ field column widths:
286 *
Len Browne7c95ff2014-08-14 21:22:13 -0400287 * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
288 * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678
Len Brownfc04cc62014-02-06 00:55:19 -0500289 */
290
Len Browna829eb42011-02-10 23:36:34 -0500291void print_header(void)
Len Brown103a8fe2010-10-22 23:53:03 -0400292{
293 if (show_pkg)
Len Browne7c95ff2014-08-14 21:22:13 -0400294 outp += sprintf(outp, " Package");
Len Brown103a8fe2010-10-22 23:53:03 -0400295 if (show_core)
Len Browne7c95ff2014-08-14 21:22:13 -0400296 outp += sprintf(outp, " Core");
Len Brown103a8fe2010-10-22 23:53:03 -0400297 if (show_cpu)
Len Browne7c95ff2014-08-14 21:22:13 -0400298 outp += sprintf(outp, " CPU");
Len Brown103a8fe2010-10-22 23:53:03 -0400299 if (has_aperf)
Len Browne7c95ff2014-08-14 21:22:13 -0400300 outp += sprintf(outp, " Avg_MHz");
Len Brownd7899442015-01-23 00:12:33 -0500301 if (has_aperf)
Len Browne7c95ff2014-08-14 21:22:13 -0400302 outp += sprintf(outp, " %%Busy");
Len Brownfc04cc62014-02-06 00:55:19 -0500303 if (has_aperf)
Len Browne7c95ff2014-08-14 21:22:13 -0400304 outp += sprintf(outp, " Bzy_MHz");
305 outp += sprintf(outp, " TSC_MHz");
Len Brown1cc21f72015-02-23 00:34:57 -0500306
Len Brown8e180f32012-09-22 01:25:08 -0400307 if (extra_delta_offset32)
Len Browne7c95ff2014-08-14 21:22:13 -0400308 outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
Len Brown8e180f32012-09-22 01:25:08 -0400309 if (extra_delta_offset64)
Len Browne7c95ff2014-08-14 21:22:13 -0400310 outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
Len Brown2f32edf2012-09-21 23:45:46 -0400311 if (extra_msr_offset32)
Len Browne7c95ff2014-08-14 21:22:13 -0400312 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
Len Brown2f32edf2012-09-21 23:45:46 -0400313 if (extra_msr_offset64)
Len Browne7c95ff2014-08-14 21:22:13 -0400314 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
Len Brown1cc21f72015-02-23 00:34:57 -0500315
316 if (!debug)
317 goto done;
318
319 if (do_smi)
320 outp += sprintf(outp, " SMI");
321
Len Brown103a8fe2010-10-22 23:53:03 -0400322 if (do_nhm_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400323 outp += sprintf(outp, " CPU%%c1");
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700324 if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400325 outp += sprintf(outp, " CPU%%c3");
Len Brown103a8fe2010-10-22 23:53:03 -0400326 if (do_nhm_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400327 outp += sprintf(outp, " CPU%%c6");
Len Brown103a8fe2010-10-22 23:53:03 -0400328 if (do_snb_cstates)
Len Browne7c95ff2014-08-14 21:22:13 -0400329 outp += sprintf(outp, " CPU%%c7");
Len Brown889facb2012-11-08 00:48:57 -0500330
331 if (do_dts)
Len Browne7c95ff2014-08-14 21:22:13 -0400332 outp += sprintf(outp, " CoreTmp");
Len Brown889facb2012-11-08 00:48:57 -0500333 if (do_ptm)
Len Browne7c95ff2014-08-14 21:22:13 -0400334 outp += sprintf(outp, " PkgTmp");
Len Brown889facb2012-11-08 00:48:57 -0500335
Len Brown0b2bb692015-03-26 00:50:30 -0400336 if (do_skl_residency) {
337 outp += sprintf(outp, " Totl%%C0");
338 outp += sprintf(outp, " Any%%C0");
339 outp += sprintf(outp, " GFX%%C0");
340 outp += sprintf(outp, " CPUGFX%%");
341 }
342
Len Brownee7e38e2015-02-09 23:39:45 -0500343 if (do_pc2)
Len Browne7c95ff2014-08-14 21:22:13 -0400344 outp += sprintf(outp, " Pkg%%pc2");
Len Brownee7e38e2015-02-09 23:39:45 -0500345 if (do_pc3)
Len Browne7c95ff2014-08-14 21:22:13 -0400346 outp += sprintf(outp, " Pkg%%pc3");
Len Brownee7e38e2015-02-09 23:39:45 -0500347 if (do_pc6)
Len Browne7c95ff2014-08-14 21:22:13 -0400348 outp += sprintf(outp, " Pkg%%pc6");
Len Brownee7e38e2015-02-09 23:39:45 -0500349 if (do_pc7)
Len Browne7c95ff2014-08-14 21:22:13 -0400350 outp += sprintf(outp, " Pkg%%pc7");
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800351 if (do_c8_c9_c10) {
Len Browne7c95ff2014-08-14 21:22:13 -0400352 outp += sprintf(outp, " Pkg%%pc8");
353 outp += sprintf(outp, " Pkg%%pc9");
354 outp += sprintf(outp, " Pk%%pc10");
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800355 }
Len Brown103a8fe2010-10-22 23:53:03 -0400356
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800357 if (do_rapl && !rapl_joules) {
358 if (do_rapl & RAPL_PKG)
Len Browne7c95ff2014-08-14 21:22:13 -0400359 outp += sprintf(outp, " PkgWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800360 if (do_rapl & RAPL_CORES)
Len Browne7c95ff2014-08-14 21:22:13 -0400361 outp += sprintf(outp, " CorWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800362 if (do_rapl & RAPL_GFX)
Len Browne7c95ff2014-08-14 21:22:13 -0400363 outp += sprintf(outp, " GFXWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800364 if (do_rapl & RAPL_DRAM)
Len Browne7c95ff2014-08-14 21:22:13 -0400365 outp += sprintf(outp, " RAMWatt");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800366 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400367 outp += sprintf(outp, " PKG_%%");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800368 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400369 outp += sprintf(outp, " RAM_%%");
Len Brownd7899442015-01-23 00:12:33 -0500370 } else if (do_rapl && rapl_joules) {
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800371 if (do_rapl & RAPL_PKG)
Len Browne7c95ff2014-08-14 21:22:13 -0400372 outp += sprintf(outp, " Pkg_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800373 if (do_rapl & RAPL_CORES)
Len Browne7c95ff2014-08-14 21:22:13 -0400374 outp += sprintf(outp, " Cor_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800375 if (do_rapl & RAPL_GFX)
Len Browne7c95ff2014-08-14 21:22:13 -0400376 outp += sprintf(outp, " GFX_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800377 if (do_rapl & RAPL_DRAM)
Len Brownbd6906e2015-07-24 10:35:23 -0400378 outp += sprintf(outp, " RAM_J");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800379 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400380 outp += sprintf(outp, " PKG_%%");
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800381 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Browne7c95ff2014-08-14 21:22:13 -0400382 outp += sprintf(outp, " RAM_%%");
383 outp += sprintf(outp, " time");
Len Brown889facb2012-11-08 00:48:57 -0500384
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800385 }
Len Brown1cc21f72015-02-23 00:34:57 -0500386 done:
Len Brownc98d5d92012-06-04 00:56:40 -0400387 outp += sprintf(outp, "\n");
Len Brown103a8fe2010-10-22 23:53:03 -0400388}
389
Len Brownc98d5d92012-06-04 00:56:40 -0400390int dump_counters(struct thread_data *t, struct core_data *c,
391 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400392{
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200393 outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400394
Len Brownc98d5d92012-06-04 00:56:40 -0400395 if (t) {
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200396 outp += sprintf(outp, "CPU: %d flags 0x%x\n",
397 t->cpu_id, t->flags);
398 outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
399 outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
400 outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
401 outp += sprintf(outp, "c1: %016llX\n", t->c1);
402 outp += sprintf(outp, "msr0x%x: %08llX\n",
Len Brown8e180f32012-09-22 01:25:08 -0400403 extra_delta_offset32, t->extra_delta32);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200404 outp += sprintf(outp, "msr0x%x: %016llX\n",
Len Brown8e180f32012-09-22 01:25:08 -0400405 extra_delta_offset64, t->extra_delta64);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200406 outp += sprintf(outp, "msr0x%x: %08llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400407 extra_msr_offset32, t->extra_msr32);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200408 outp += sprintf(outp, "msr0x%x: %016llX\n",
Len Brown2f32edf2012-09-21 23:45:46 -0400409 extra_msr_offset64, t->extra_msr64);
Len Brown1ed51012013-02-10 17:19:24 -0500410 if (do_smi)
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200411 outp += sprintf(outp, "SMI: %08X\n", t->smi_count);
Len Brownc98d5d92012-06-04 00:56:40 -0400412 }
Len Brown103a8fe2010-10-22 23:53:03 -0400413
Len Brownc98d5d92012-06-04 00:56:40 -0400414 if (c) {
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200415 outp += sprintf(outp, "core: %d\n", c->core_id);
416 outp += sprintf(outp, "c3: %016llX\n", c->c3);
417 outp += sprintf(outp, "c6: %016llX\n", c->c6);
418 outp += sprintf(outp, "c7: %016llX\n", c->c7);
419 outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400420 }
421
422 if (p) {
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200423 outp += sprintf(outp, "package: %d\n", p->package_id);
Len Brown0b2bb692015-03-26 00:50:30 -0400424
425 outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
426 outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
427 outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
428 outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);
429
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200430 outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
Len Brownee7e38e2015-02-09 23:39:45 -0500431 if (do_pc3)
432 outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
433 if (do_pc6)
434 outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
435 if (do_pc7)
436 outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200437 outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
438 outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
439 outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
440 outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg);
441 outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores);
442 outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx);
443 outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram);
444 outp += sprintf(outp, "Throttle PKG: %0X\n",
445 p->rapl_pkg_perf_status);
446 outp += sprintf(outp, "Throttle RAM: %0X\n",
447 p->rapl_dram_perf_status);
448 outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
Len Brownc98d5d92012-06-04 00:56:40 -0400449 }
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +0200450
451 outp += sprintf(outp, "\n");
452
Len Brownc98d5d92012-06-04 00:56:40 -0400453 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400454}
455
Len Browne23da032012-02-06 18:37:16 -0500456/*
457 * column formatting convention & formats
Len Browne23da032012-02-06 18:37:16 -0500458 */
Len Brownc98d5d92012-06-04 00:56:40 -0400459int format_counters(struct thread_data *t, struct core_data *c,
460 struct pkg_data *p)
Len Brown103a8fe2010-10-22 23:53:03 -0400461{
462 double interval_float;
Len Brownfc04cc62014-02-06 00:55:19 -0500463 char *fmt8;
Len Brown103a8fe2010-10-22 23:53:03 -0400464
Len Brownc98d5d92012-06-04 00:56:40 -0400465 /* if showing only 1st thread in core and this isn't one, bail out */
466 if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
467 return 0;
468
469 /* if showing only 1st thread in pkg and this isn't one, bail out */
470 if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
471 return 0;
472
Len Brown103a8fe2010-10-22 23:53:03 -0400473 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
474
Len Brownc98d5d92012-06-04 00:56:40 -0400475 /* topo columns, print blanks on 1st (average) line */
476 if (t == &average.threads) {
Len Brown103a8fe2010-10-22 23:53:03 -0400477 if (show_pkg)
Len Brownfc04cc62014-02-06 00:55:19 -0500478 outp += sprintf(outp, " -");
Len Brown103a8fe2010-10-22 23:53:03 -0400479 if (show_core)
Len Brownfc04cc62014-02-06 00:55:19 -0500480 outp += sprintf(outp, " -");
Len Brown103a8fe2010-10-22 23:53:03 -0400481 if (show_cpu)
Len Brownfc04cc62014-02-06 00:55:19 -0500482 outp += sprintf(outp, " -");
Len Brown103a8fe2010-10-22 23:53:03 -0400483 } else {
Len Brownc98d5d92012-06-04 00:56:40 -0400484 if (show_pkg) {
485 if (p)
Len Brownfc04cc62014-02-06 00:55:19 -0500486 outp += sprintf(outp, "%8d", p->package_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400487 else
Len Brownfc04cc62014-02-06 00:55:19 -0500488 outp += sprintf(outp, " -");
Len Brownc98d5d92012-06-04 00:56:40 -0400489 }
Len Brownc98d5d92012-06-04 00:56:40 -0400490 if (show_core) {
491 if (c)
Len Brownfc04cc62014-02-06 00:55:19 -0500492 outp += sprintf(outp, "%8d", c->core_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400493 else
Len Brownfc04cc62014-02-06 00:55:19 -0500494 outp += sprintf(outp, " -");
Len Brownc98d5d92012-06-04 00:56:40 -0400495 }
Len Brown103a8fe2010-10-22 23:53:03 -0400496 if (show_cpu)
Len Brownfc04cc62014-02-06 00:55:19 -0500497 outp += sprintf(outp, "%8d", t->cpu_id);
Len Brown103a8fe2010-10-22 23:53:03 -0400498 }
Len Brownfc04cc62014-02-06 00:55:19 -0500499
Len Brownd7899442015-01-23 00:12:33 -0500500 /* Avg_MHz */
Len Brownfc04cc62014-02-06 00:55:19 -0500501 if (has_aperf)
502 outp += sprintf(outp, "%8.0f",
503 1.0 / units * t->aperf / interval_float);
504
Len Brownd7899442015-01-23 00:12:33 -0500505 /* %Busy */
506 if (has_aperf) {
Len Brown103a8fe2010-10-22 23:53:03 -0400507 if (!skip_c0)
Len Browna2b7b742015-09-26 00:12:38 -0400508 outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak);
Len Brown103a8fe2010-10-22 23:53:03 -0400509 else
Len Brownfc04cc62014-02-06 00:55:19 -0500510 outp += sprintf(outp, "********");
Len Brown103a8fe2010-10-22 23:53:03 -0400511 }
512
Len Brownd7899442015-01-23 00:12:33 -0500513 /* Bzy_MHz */
Len Brownfc04cc62014-02-06 00:55:19 -0500514 if (has_aperf)
515 outp += sprintf(outp, "%8.0f",
Len Browna2b7b742015-09-26 00:12:38 -0400516 1.0 * t->tsc * tsc_tweak / units * t->aperf / t->mperf / interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400517
Len Brownd7899442015-01-23 00:12:33 -0500518 /* TSC_MHz */
Len Brownfc04cc62014-02-06 00:55:19 -0500519 outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float);
Len Brown103a8fe2010-10-22 23:53:03 -0400520
Len Brown8e180f32012-09-22 01:25:08 -0400521 /* delta */
522 if (extra_delta_offset32)
523 outp += sprintf(outp, " %11llu", t->extra_delta32);
524
525 /* DELTA */
526 if (extra_delta_offset64)
527 outp += sprintf(outp, " %11llu", t->extra_delta64);
Len Brown2f32edf2012-09-21 23:45:46 -0400528 /* msr */
529 if (extra_msr_offset32)
Len Brown8e180f32012-09-22 01:25:08 -0400530 outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
Len Brown2f32edf2012-09-21 23:45:46 -0400531
Len Brown130ff302012-09-21 22:56:06 -0400532 /* MSR */
Len Brown2f32edf2012-09-21 23:45:46 -0400533 if (extra_msr_offset64)
534 outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
Len Brown130ff302012-09-21 22:56:06 -0400535
Len Brown1cc21f72015-02-23 00:34:57 -0500536 if (!debug)
537 goto done;
538
539 /* SMI */
540 if (do_smi)
541 outp += sprintf(outp, "%8d", t->smi_count);
542
Len Brown103a8fe2010-10-22 23:53:03 -0400543 if (do_nhm_cstates) {
544 if (!skip_c1)
Len Brownfc04cc62014-02-06 00:55:19 -0500545 outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400546 else
Len Brownfc04cc62014-02-06 00:55:19 -0500547 outp += sprintf(outp, "********");
Len Brown103a8fe2010-10-22 23:53:03 -0400548 }
Len Brownc98d5d92012-06-04 00:56:40 -0400549
550 /* print per-core data only for 1st thread in core */
551 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
552 goto done;
553
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -0700554 if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates)
Len Brownfc04cc62014-02-06 00:55:19 -0500555 outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400556 if (do_nhm_cstates)
Len Brownfc04cc62014-02-06 00:55:19 -0500557 outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc);
Len Brown103a8fe2010-10-22 23:53:03 -0400558 if (do_snb_cstates)
Len Brownfc04cc62014-02-06 00:55:19 -0500559 outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc);
Len Brownc98d5d92012-06-04 00:56:40 -0400560
Len Brown889facb2012-11-08 00:48:57 -0500561 if (do_dts)
Len Brownfc04cc62014-02-06 00:55:19 -0500562 outp += sprintf(outp, "%8d", c->core_temp_c);
Len Brown889facb2012-11-08 00:48:57 -0500563
Len Brownc98d5d92012-06-04 00:56:40 -0400564 /* print per-package data only for 1st core in package */
565 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
566 goto done;
567
Len Brown0b2bb692015-03-26 00:50:30 -0400568 /* PkgTmp */
Len Brown889facb2012-11-08 00:48:57 -0500569 if (do_ptm)
Len Brownfc04cc62014-02-06 00:55:19 -0500570 outp += sprintf(outp, "%8d", p->pkg_temp_c);
Len Brown889facb2012-11-08 00:48:57 -0500571
Len Brown0b2bb692015-03-26 00:50:30 -0400572 /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
573 if (do_skl_residency) {
574 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc);
575 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc);
576 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc);
577 outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc);
578 }
579
Len Brownee7e38e2015-02-09 23:39:45 -0500580 if (do_pc2)
Len Brownfc04cc62014-02-06 00:55:19 -0500581 outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc);
Len Brownee7e38e2015-02-09 23:39:45 -0500582 if (do_pc3)
Len Brownfc04cc62014-02-06 00:55:19 -0500583 outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc);
Len Brownee7e38e2015-02-09 23:39:45 -0500584 if (do_pc6)
Len Brownfc04cc62014-02-06 00:55:19 -0500585 outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc);
Len Brownee7e38e2015-02-09 23:39:45 -0500586 if (do_pc7)
Len Brownfc04cc62014-02-06 00:55:19 -0500587 outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800588 if (do_c8_c9_c10) {
Len Brownfc04cc62014-02-06 00:55:19 -0500589 outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc);
590 outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc);
591 outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc);
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800592 }
Len Brown889facb2012-11-08 00:48:57 -0500593
594 /*
595 * If measurement interval exceeds minimum RAPL Joule Counter range,
596 * indicate that results are suspect by printing "**" in fraction place.
597 */
Len Brownfc04cc62014-02-06 00:55:19 -0500598 if (interval_float < rapl_joule_counter_range)
599 fmt8 = "%8.2f";
600 else
601 fmt8 = " %6.0f**";
Len Brown889facb2012-11-08 00:48:57 -0500602
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800603 if (do_rapl && !rapl_joules) {
604 if (do_rapl & RAPL_PKG)
Len Brownfc04cc62014-02-06 00:55:19 -0500605 outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800606 if (do_rapl & RAPL_CORES)
Len Brownfc04cc62014-02-06 00:55:19 -0500607 outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800608 if (do_rapl & RAPL_GFX)
Len Brownfc04cc62014-02-06 00:55:19 -0500609 outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800610 if (do_rapl & RAPL_DRAM)
Andrey Semin40ee8e32014-12-05 00:07:00 -0500611 outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800612 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500613 outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800614 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500615 outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
Len Brownd7899442015-01-23 00:12:33 -0500616 } else if (do_rapl && rapl_joules) {
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800617 if (do_rapl & RAPL_PKG)
Len Brownfc04cc62014-02-06 00:55:19 -0500618 outp += sprintf(outp, fmt8,
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800619 p->energy_pkg * rapl_energy_units);
620 if (do_rapl & RAPL_CORES)
Len Brownfc04cc62014-02-06 00:55:19 -0500621 outp += sprintf(outp, fmt8,
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800622 p->energy_cores * rapl_energy_units);
623 if (do_rapl & RAPL_GFX)
Len Brownfc04cc62014-02-06 00:55:19 -0500624 outp += sprintf(outp, fmt8,
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800625 p->energy_gfx * rapl_energy_units);
626 if (do_rapl & RAPL_DRAM)
Len Brownfc04cc62014-02-06 00:55:19 -0500627 outp += sprintf(outp, fmt8,
Andrey Semin40ee8e32014-12-05 00:07:00 -0500628 p->energy_dram * rapl_dram_energy_units);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800629 if (do_rapl & RAPL_PKG_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500630 outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800631 if (do_rapl & RAPL_DRAM_PERF_STATUS)
Len Brownfc04cc62014-02-06 00:55:19 -0500632 outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
Len Brown889facb2012-11-08 00:48:57 -0500633
Len Brownd7899442015-01-23 00:12:33 -0500634 outp += sprintf(outp, fmt8, interval_float);
Dirk Brandewie5c56be92013-12-16 10:23:41 -0800635 }
Len Brownc98d5d92012-06-04 00:56:40 -0400636done:
Len Brownc98d5d92012-06-04 00:56:40 -0400637 outp += sprintf(outp, "\n");
638
639 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -0400640}
641
Len Brownc98d5d92012-06-04 00:56:40 -0400642void flush_stdout()
Len Brown103a8fe2010-10-22 23:53:03 -0400643{
Len Brownc98d5d92012-06-04 00:56:40 -0400644 fputs(output_buffer, stdout);
Len Brownddac0d62012-11-30 01:01:40 -0500645 fflush(stdout);
Len Brownc98d5d92012-06-04 00:56:40 -0400646 outp = output_buffer;
647}
648void flush_stderr()
649{
650 fputs(output_buffer, stderr);
651 outp = output_buffer;
652}
653void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
654{
Len Browne23da032012-02-06 18:37:16 -0500655 static int printed;
Len Brown103a8fe2010-10-22 23:53:03 -0400656
Len Browne23da032012-02-06 18:37:16 -0500657 if (!printed || !summary_only)
658 print_header();
Len Brown103a8fe2010-10-22 23:53:03 -0400659
Len Brownc98d5d92012-06-04 00:56:40 -0400660 if (topo.num_cpus > 1)
661 format_counters(&average.threads, &average.cores,
662 &average.packages);
Len Brown103a8fe2010-10-22 23:53:03 -0400663
Len Browne23da032012-02-06 18:37:16 -0500664 printed = 1;
665
666 if (summary_only)
667 return;
668
Len Brownc98d5d92012-06-04 00:56:40 -0400669 for_all_cpus(format_counters, t, c, p);
Len Brown103a8fe2010-10-22 23:53:03 -0400670}
671
Len Brown889facb2012-11-08 00:48:57 -0500672#define DELTA_WRAP32(new, old) \
673 if (new > old) { \
674 old = new - old; \
675 } else { \
676 old = 0x100000000 + new - old; \
677 }
678
Len Brownc98d5d92012-06-04 00:56:40 -0400679void
680delta_package(struct pkg_data *new, struct pkg_data *old)
Len Brown103a8fe2010-10-22 23:53:03 -0400681{
Len Brown0b2bb692015-03-26 00:50:30 -0400682
683 if (do_skl_residency) {
684 old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0;
685 old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0;
686 old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0;
687 old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0;
688 }
Len Brownc98d5d92012-06-04 00:56:40 -0400689 old->pc2 = new->pc2 - old->pc2;
Len Brownee7e38e2015-02-09 23:39:45 -0500690 if (do_pc3)
691 old->pc3 = new->pc3 - old->pc3;
692 if (do_pc6)
693 old->pc6 = new->pc6 - old->pc6;
694 if (do_pc7)
695 old->pc7 = new->pc7 - old->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800696 old->pc8 = new->pc8 - old->pc8;
697 old->pc9 = new->pc9 - old->pc9;
698 old->pc10 = new->pc10 - old->pc10;
Len Brown889facb2012-11-08 00:48:57 -0500699 old->pkg_temp_c = new->pkg_temp_c;
700
701 DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
702 DELTA_WRAP32(new->energy_cores, old->energy_cores);
703 DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
704 DELTA_WRAP32(new->energy_dram, old->energy_dram);
705 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
706 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
Len Brownc98d5d92012-06-04 00:56:40 -0400707}
Len Brown103a8fe2010-10-22 23:53:03 -0400708
Len Brownc98d5d92012-06-04 00:56:40 -0400709void
710delta_core(struct core_data *new, struct core_data *old)
711{
712 old->c3 = new->c3 - old->c3;
713 old->c6 = new->c6 - old->c6;
714 old->c7 = new->c7 - old->c7;
Len Brown889facb2012-11-08 00:48:57 -0500715 old->core_temp_c = new->core_temp_c;
Len Brownc98d5d92012-06-04 00:56:40 -0400716}
Len Brown103a8fe2010-10-22 23:53:03 -0400717
Len Brownc3ae3312012-06-13 21:31:46 -0400718/*
719 * old = new - old
720 */
Len Brownc98d5d92012-06-04 00:56:40 -0400721void
722delta_thread(struct thread_data *new, struct thread_data *old,
723 struct core_data *core_delta)
724{
725 old->tsc = new->tsc - old->tsc;
Len Brown103a8fe2010-10-22 23:53:03 -0400726
Len Brownc98d5d92012-06-04 00:56:40 -0400727 /* check for TSC < 1 Mcycles over interval */
Josh Triplettb2c95d92013-08-20 17:20:18 -0700728 if (old->tsc < (1000 * 1000))
729 errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
730 "You can disable all c-states by booting with \"idle=poll\"\n"
731 "or just the deep ones with \"processor.max_cstate=1\"");
Len Brown103a8fe2010-10-22 23:53:03 -0400732
Len Brownc98d5d92012-06-04 00:56:40 -0400733 old->c1 = new->c1 - old->c1;
Len Brown103a8fe2010-10-22 23:53:03 -0400734
Len Browna7296172015-01-23 01:33:58 -0500735 if (has_aperf) {
736 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
737 old->aperf = new->aperf - old->aperf;
738 old->mperf = new->mperf - old->mperf;
739 } else {
Len Brown103a8fe2010-10-22 23:53:03 -0400740
Len Browna7296172015-01-23 01:33:58 -0500741 if (!aperf_mperf_unstable) {
742 fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
743 fprintf(stderr, "* Frequency results do not cover entire interval *\n");
744 fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
Len Brownc98d5d92012-06-04 00:56:40 -0400745
Len Browna7296172015-01-23 01:33:58 -0500746 aperf_mperf_unstable = 1;
747 }
748 /*
749 * mperf delta is likely a huge "positive" number
750 * can not use it for calculating c0 time
751 */
752 skip_c0 = 1;
753 skip_c1 = 1;
Len Brownc98d5d92012-06-04 00:56:40 -0400754 }
Len Brownc98d5d92012-06-04 00:56:40 -0400755 }
Len Brown103a8fe2010-10-22 23:53:03 -0400756
Len Brown103a8fe2010-10-22 23:53:03 -0400757
Len Brown144b44b2013-11-09 00:30:16 -0500758 if (use_c1_residency_msr) {
759 /*
760 * Some models have a dedicated C1 residency MSR,
761 * which should be more accurate than the derivation below.
762 */
763 } else {
764 /*
765 * As counter collection is not atomic,
766 * it is possible for mperf's non-halted cycles + idle states
767 * to exceed TSC's all cycles: show c1 = 0% in that case.
768 */
769 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
770 old->c1 = 0;
771 else {
772 /* normal case, derive c1 */
773 old->c1 = old->tsc - old->mperf - core_delta->c3
Len Brownc98d5d92012-06-04 00:56:40 -0400774 - core_delta->c6 - core_delta->c7;
Len Brown144b44b2013-11-09 00:30:16 -0500775 }
Len Brownc98d5d92012-06-04 00:56:40 -0400776 }
Len Brownc3ae3312012-06-13 21:31:46 -0400777
Len Brownc98d5d92012-06-04 00:56:40 -0400778 if (old->mperf == 0) {
Len Brownd8af6f52015-02-10 01:56:38 -0500779 if (debug > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id);
Len Brownc98d5d92012-06-04 00:56:40 -0400780 old->mperf = 1; /* divide by 0 protection */
781 }
782
Len Brown8e180f32012-09-22 01:25:08 -0400783 old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
784 old->extra_delta32 &= 0xFFFFFFFF;
785
786 old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
787
Len Brownc98d5d92012-06-04 00:56:40 -0400788 /*
Len Brown8e180f32012-09-22 01:25:08 -0400789 * Extra MSR is just a snapshot, simply copy latest w/o subtracting
Len Brownc98d5d92012-06-04 00:56:40 -0400790 */
Len Brown2f32edf2012-09-21 23:45:46 -0400791 old->extra_msr32 = new->extra_msr32;
792 old->extra_msr64 = new->extra_msr64;
Len Brown1ed51012013-02-10 17:19:24 -0500793
794 if (do_smi)
795 old->smi_count = new->smi_count - old->smi_count;
Len Brownc98d5d92012-06-04 00:56:40 -0400796}
797
798int delta_cpu(struct thread_data *t, struct core_data *c,
799 struct pkg_data *p, struct thread_data *t2,
800 struct core_data *c2, struct pkg_data *p2)
801{
802 /* calculate core delta only for 1st thread in core */
803 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
804 delta_core(c, c2);
805
806 /* always calculate thread delta */
807 delta_thread(t, t2, c2); /* c2 is core delta */
808
809 /* calculate package delta only for 1st core in package */
810 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
811 delta_package(p, p2);
812
813 return 0;
814}
815
816void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
817{
818 t->tsc = 0;
819 t->aperf = 0;
820 t->mperf = 0;
821 t->c1 = 0;
822
Len Brown1ed51012013-02-10 17:19:24 -0500823 t->smi_count = 0;
Len Brown8e180f32012-09-22 01:25:08 -0400824 t->extra_delta32 = 0;
825 t->extra_delta64 = 0;
826
Len Brownc98d5d92012-06-04 00:56:40 -0400827 /* tells format_counters to dump all fields from this set */
828 t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
829
830 c->c3 = 0;
831 c->c6 = 0;
832 c->c7 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500833 c->core_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400834
Len Brown0b2bb692015-03-26 00:50:30 -0400835 p->pkg_wtd_core_c0 = 0;
836 p->pkg_any_core_c0 = 0;
837 p->pkg_any_gfxe_c0 = 0;
838 p->pkg_both_core_gfxe_c0 = 0;
839
Len Brownc98d5d92012-06-04 00:56:40 -0400840 p->pc2 = 0;
Len Brownee7e38e2015-02-09 23:39:45 -0500841 if (do_pc3)
842 p->pc3 = 0;
843 if (do_pc6)
844 p->pc6 = 0;
845 if (do_pc7)
846 p->pc7 = 0;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800847 p->pc8 = 0;
848 p->pc9 = 0;
849 p->pc10 = 0;
Len Brown889facb2012-11-08 00:48:57 -0500850
851 p->energy_pkg = 0;
852 p->energy_dram = 0;
853 p->energy_cores = 0;
854 p->energy_gfx = 0;
855 p->rapl_pkg_perf_status = 0;
856 p->rapl_dram_perf_status = 0;
857 p->pkg_temp_c = 0;
Len Brownc98d5d92012-06-04 00:56:40 -0400858}
859int sum_counters(struct thread_data *t, struct core_data *c,
860 struct pkg_data *p)
861{
862 average.threads.tsc += t->tsc;
863 average.threads.aperf += t->aperf;
864 average.threads.mperf += t->mperf;
865 average.threads.c1 += t->c1;
866
Len Brown8e180f32012-09-22 01:25:08 -0400867 average.threads.extra_delta32 += t->extra_delta32;
868 average.threads.extra_delta64 += t->extra_delta64;
869
Len Brownc98d5d92012-06-04 00:56:40 -0400870 /* sum per-core values only for 1st thread in core */
871 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
872 return 0;
873
874 average.cores.c3 += c->c3;
875 average.cores.c6 += c->c6;
876 average.cores.c7 += c->c7;
877
Len Brown889facb2012-11-08 00:48:57 -0500878 average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
879
Len Brownc98d5d92012-06-04 00:56:40 -0400880 /* sum per-pkg values only for 1st core in pkg */
881 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
882 return 0;
883
Len Brown0b2bb692015-03-26 00:50:30 -0400884 if (do_skl_residency) {
885 average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0;
886 average.packages.pkg_any_core_c0 += p->pkg_any_core_c0;
887 average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0;
888 average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0;
889 }
890
Len Brownc98d5d92012-06-04 00:56:40 -0400891 average.packages.pc2 += p->pc2;
Len Brownee7e38e2015-02-09 23:39:45 -0500892 if (do_pc3)
893 average.packages.pc3 += p->pc3;
894 if (do_pc6)
895 average.packages.pc6 += p->pc6;
896 if (do_pc7)
897 average.packages.pc7 += p->pc7;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800898 average.packages.pc8 += p->pc8;
899 average.packages.pc9 += p->pc9;
900 average.packages.pc10 += p->pc10;
Len Brownc98d5d92012-06-04 00:56:40 -0400901
Len Brown889facb2012-11-08 00:48:57 -0500902 average.packages.energy_pkg += p->energy_pkg;
903 average.packages.energy_dram += p->energy_dram;
904 average.packages.energy_cores += p->energy_cores;
905 average.packages.energy_gfx += p->energy_gfx;
906
907 average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
908
909 average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
910 average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
Len Brownc98d5d92012-06-04 00:56:40 -0400911 return 0;
912}
913/*
914 * sum the counters for all cpus in the system
915 * compute the weighted average
916 */
917void compute_average(struct thread_data *t, struct core_data *c,
918 struct pkg_data *p)
919{
920 clear_counters(&average.threads, &average.cores, &average.packages);
921
922 for_all_cpus(sum_counters, t, c, p);
923
924 average.threads.tsc /= topo.num_cpus;
925 average.threads.aperf /= topo.num_cpus;
926 average.threads.mperf /= topo.num_cpus;
927 average.threads.c1 /= topo.num_cpus;
928
Len Brown8e180f32012-09-22 01:25:08 -0400929 average.threads.extra_delta32 /= topo.num_cpus;
930 average.threads.extra_delta32 &= 0xFFFFFFFF;
931
932 average.threads.extra_delta64 /= topo.num_cpus;
933
Len Brownc98d5d92012-06-04 00:56:40 -0400934 average.cores.c3 /= topo.num_cores;
935 average.cores.c6 /= topo.num_cores;
936 average.cores.c7 /= topo.num_cores;
937
Len Brown0b2bb692015-03-26 00:50:30 -0400938 if (do_skl_residency) {
939 average.packages.pkg_wtd_core_c0 /= topo.num_packages;
940 average.packages.pkg_any_core_c0 /= topo.num_packages;
941 average.packages.pkg_any_gfxe_c0 /= topo.num_packages;
942 average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages;
943 }
944
Len Brownc98d5d92012-06-04 00:56:40 -0400945 average.packages.pc2 /= topo.num_packages;
Len Brownee7e38e2015-02-09 23:39:45 -0500946 if (do_pc3)
947 average.packages.pc3 /= topo.num_packages;
948 if (do_pc6)
949 average.packages.pc6 /= topo.num_packages;
950 if (do_pc7)
951 average.packages.pc7 /= topo.num_packages;
Kristen Carlson Accardica587102012-11-21 05:22:43 -0800952
953 average.packages.pc8 /= topo.num_packages;
954 average.packages.pc9 /= topo.num_packages;
955 average.packages.pc10 /= topo.num_packages;
Len Brownc98d5d92012-06-04 00:56:40 -0400956}
957
958static unsigned long long rdtsc(void)
959{
960 unsigned int low, high;
961
962 asm volatile("rdtsc" : "=a" (low), "=d" (high));
963
964 return low | ((unsigned long long)high) << 32;
965}
966
967
968/*
969 * get_counters(...)
970 * migrate to cpu
971 * acquire and record local counters for that cpu
972 */
973int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
974{
975 int cpu = t->cpu_id;
Len Brown889facb2012-11-08 00:48:57 -0500976 unsigned long long msr;
Len Brownc98d5d92012-06-04 00:56:40 -0400977
Len Browne52966c2012-11-08 22:38:05 -0500978 if (cpu_migrate(cpu)) {
979 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
Len Brownc98d5d92012-06-04 00:56:40 -0400980 return -1;
Len Browne52966c2012-11-08 22:38:05 -0500981 }
Len Brownc98d5d92012-06-04 00:56:40 -0400982
983 t->tsc = rdtsc(); /* we are running on local CPU of interest */
984
985 if (has_aperf) {
Len Brown9c63a652012-10-31 01:29:52 -0400986 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400987 return -3;
Len Brown9c63a652012-10-31 01:29:52 -0400988 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
Len Brownc98d5d92012-06-04 00:56:40 -0400989 return -4;
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +0200990 t->aperf = t->aperf * aperf_mperf_multiplier;
991 t->mperf = t->mperf * aperf_mperf_multiplier;
Len Brownc98d5d92012-06-04 00:56:40 -0400992 }
993
Len Brown1ed51012013-02-10 17:19:24 -0500994 if (do_smi) {
995 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
996 return -5;
997 t->smi_count = msr & 0xFFFFFFFF;
998 }
Len Brown8e180f32012-09-22 01:25:08 -0400999 if (extra_delta_offset32) {
Len Brown889facb2012-11-08 00:48:57 -05001000 if (get_msr(cpu, extra_delta_offset32, &msr))
Len Brown2f32edf2012-09-21 23:45:46 -04001001 return -5;
Len Brown889facb2012-11-08 00:48:57 -05001002 t->extra_delta32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -04001003 }
1004
1005 if (extra_delta_offset64)
1006 if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
1007 return -5;
1008
1009 if (extra_msr_offset32) {
Len Brown889facb2012-11-08 00:48:57 -05001010 if (get_msr(cpu, extra_msr_offset32, &msr))
Len Brown8e180f32012-09-22 01:25:08 -04001011 return -5;
Len Brown889facb2012-11-08 00:48:57 -05001012 t->extra_msr32 = msr & 0xFFFFFFFF;
Len Brown8e180f32012-09-22 01:25:08 -04001013 }
Len Brown2f32edf2012-09-21 23:45:46 -04001014
1015 if (extra_msr_offset64)
1016 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
Len Brownc98d5d92012-06-04 00:56:40 -04001017 return -5;
1018
Len Brown144b44b2013-11-09 00:30:16 -05001019 if (use_c1_residency_msr) {
1020 if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
1021 return -6;
1022 }
1023
Len Brownc98d5d92012-06-04 00:56:40 -04001024 /* collect core counters only for 1st thread in core */
1025 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1026 return 0;
1027
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001028 if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -04001029 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
1030 return -6;
Len Brown144b44b2013-11-09 00:30:16 -05001031 }
1032
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001033 if (do_nhm_cstates && !do_knl_cstates) {
Len Brownc98d5d92012-06-04 00:56:40 -04001034 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
1035 return -7;
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001036 } else if (do_knl_cstates) {
1037 if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
1038 return -7;
Len Brownc98d5d92012-06-04 00:56:40 -04001039 }
1040
1041 if (do_snb_cstates)
1042 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
1043 return -8;
1044
Len Brown889facb2012-11-08 00:48:57 -05001045 if (do_dts) {
1046 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
1047 return -9;
1048 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
1049 }
1050
1051
Len Brownc98d5d92012-06-04 00:56:40 -04001052 /* collect package counters only for 1st core in package */
1053 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1054 return 0;
1055
Len Brown0b2bb692015-03-26 00:50:30 -04001056 if (do_skl_residency) {
1057 if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0))
1058 return -10;
1059 if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0))
1060 return -11;
1061 if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0))
1062 return -12;
1063 if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0))
1064 return -13;
1065 }
Len Brownee7e38e2015-02-09 23:39:45 -05001066 if (do_pc3)
Len Brownc98d5d92012-06-04 00:56:40 -04001067 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
1068 return -9;
Len Brownee7e38e2015-02-09 23:39:45 -05001069 if (do_pc6)
Len Brownc98d5d92012-06-04 00:56:40 -04001070 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
1071 return -10;
Len Brownee7e38e2015-02-09 23:39:45 -05001072 if (do_pc2)
Len Brownc98d5d92012-06-04 00:56:40 -04001073 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
1074 return -11;
Len Brownee7e38e2015-02-09 23:39:45 -05001075 if (do_pc7)
Len Brownc98d5d92012-06-04 00:56:40 -04001076 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
1077 return -12;
Kristen Carlson Accardica587102012-11-21 05:22:43 -08001078 if (do_c8_c9_c10) {
1079 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
1080 return -13;
1081 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
1082 return -13;
1083 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
1084 return -13;
1085 }
Len Brown889facb2012-11-08 00:48:57 -05001086 if (do_rapl & RAPL_PKG) {
1087 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
1088 return -13;
1089 p->energy_pkg = msr & 0xFFFFFFFF;
1090 }
1091 if (do_rapl & RAPL_CORES) {
1092 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
1093 return -14;
1094 p->energy_cores = msr & 0xFFFFFFFF;
1095 }
1096 if (do_rapl & RAPL_DRAM) {
1097 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
1098 return -15;
1099 p->energy_dram = msr & 0xFFFFFFFF;
1100 }
1101 if (do_rapl & RAPL_GFX) {
1102 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
1103 return -16;
1104 p->energy_gfx = msr & 0xFFFFFFFF;
1105 }
1106 if (do_rapl & RAPL_PKG_PERF_STATUS) {
1107 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
1108 return -16;
1109 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
1110 }
1111 if (do_rapl & RAPL_DRAM_PERF_STATUS) {
1112 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
1113 return -16;
1114 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
1115 }
1116 if (do_ptm) {
1117 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
1118 return -17;
1119 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
1120 }
Len Brown103a8fe2010-10-22 23:53:03 -04001121 return 0;
1122}
1123
Len Brownee7e38e2015-02-09 23:39:45 -05001124/*
1125 * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
1126 * If you change the values, note they are used both in comparisons
1127 * (>= PCL__7) and to index pkg_cstate_limit_strings[].
1128 */
1129
1130#define PCLUKN 0 /* Unknown */
1131#define PCLRSV 1 /* Reserved */
1132#define PCL__0 2 /* PC0 */
1133#define PCL__1 3 /* PC1 */
1134#define PCL__2 4 /* PC2 */
1135#define PCL__3 5 /* PC3 */
1136#define PCL__4 6 /* PC4 */
1137#define PCL__6 7 /* PC6 */
1138#define PCL_6N 8 /* PC6 No Retention */
1139#define PCL_6R 9 /* PC6 Retention */
1140#define PCL__7 10 /* PC7 */
1141#define PCL_7S 11 /* PC7 Shrink */
Len Brown0b2bb692015-03-26 00:50:30 -04001142#define PCL__8 12 /* PC8 */
1143#define PCL__9 13 /* PC9 */
1144#define PCLUNL 14 /* Unlimited */
Len Brownee7e38e2015-02-09 23:39:45 -05001145
1146int pkg_cstate_limit = PCLUKN;
1147char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
Len Brown0b2bb692015-03-26 00:50:30 -04001148 "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
Len Brownee7e38e2015-02-09 23:39:45 -05001149
Len Browne9257f52015-04-01 21:02:57 -04001150int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1151int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1152int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1153int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1154int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1155int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
Len Brownee7e38e2015-02-09 23:39:45 -05001156
Len Browna2b7b742015-09-26 00:12:38 -04001157
1158static void
1159calculate_tsc_tweak()
1160{
1161 unsigned long long msr;
1162 unsigned int base_ratio;
1163
1164 get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr);
1165 base_ratio = (msr >> 8) & 0xFF;
1166 base_hz = base_ratio * bclk * 1000000;
1167 tsc_tweak = base_hz / tsc_hz;
1168}
1169
Len Brownfcd17212015-03-23 20:29:09 -04001170static void
1171dump_nhm_platform_info(void)
Len Brown103a8fe2010-10-22 23:53:03 -04001172{
1173 unsigned long long msr;
1174 unsigned int ratio;
1175
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001176 get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -04001177
Len Brownbfae2052015-06-17 12:27:21 -04001178 fprintf(stderr, "cpu%d: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);
Len Brown6574a5d2012-09-21 00:01:31 -04001179
Len Brown103a8fe2010-10-22 23:53:03 -04001180 ratio = (msr >> 40) & 0xFF;
Len Brown8f61f352015-03-23 18:36:57 -04001181 fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n",
Len Brown103a8fe2010-10-22 23:53:03 -04001182 ratio, bclk, ratio * bclk);
1183
1184 ratio = (msr >> 8) & 0xFF;
Len Brown8f61f352015-03-23 18:36:57 -04001185 fprintf(stderr, "%d * %.0f = %.0f MHz base frequency\n",
Len Brown103a8fe2010-10-22 23:53:03 -04001186 ratio, bclk, ratio * bclk);
1187
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001188 get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
Len Brownbfae2052015-06-17 12:27:21 -04001189 fprintf(stderr, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
1190 base_cpu, msr, msr & 0x2 ? "EN" : "DIS");
Len Brown67920412013-01-31 15:22:15 -05001191
Len Brownfcd17212015-03-23 20:29:09 -04001192 return;
1193}
1194
1195static void
1196dump_hsw_turbo_ratio_limits(void)
1197{
1198 unsigned long long msr;
1199 unsigned int ratio;
1200
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001201 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);
Len Brownfcd17212015-03-23 20:29:09 -04001202
Len Brownbfae2052015-06-17 12:27:21 -04001203 fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);
Len Brownfcd17212015-03-23 20:29:09 -04001204
1205 ratio = (msr >> 8) & 0xFF;
1206 if (ratio)
1207 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 18 active cores\n",
1208 ratio, bclk, ratio * bclk);
1209
1210 ratio = (msr >> 0) & 0xFF;
1211 if (ratio)
1212 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 17 active cores\n",
1213 ratio, bclk, ratio * bclk);
1214 return;
1215}
1216
1217static void
1218dump_ivt_turbo_ratio_limits(void)
1219{
1220 unsigned long long msr;
1221 unsigned int ratio;
Len Brown6574a5d2012-09-21 00:01:31 -04001222
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001223 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);
Len Brown6574a5d2012-09-21 00:01:31 -04001224
Len Brownbfae2052015-06-17 12:27:21 -04001225 fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);
Len Brown6574a5d2012-09-21 00:01:31 -04001226
1227 ratio = (msr >> 56) & 0xFF;
1228 if (ratio)
1229 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
1230 ratio, bclk, ratio * bclk);
1231
1232 ratio = (msr >> 48) & 0xFF;
1233 if (ratio)
1234 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
1235 ratio, bclk, ratio * bclk);
1236
1237 ratio = (msr >> 40) & 0xFF;
1238 if (ratio)
1239 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
1240 ratio, bclk, ratio * bclk);
1241
1242 ratio = (msr >> 32) & 0xFF;
1243 if (ratio)
1244 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
1245 ratio, bclk, ratio * bclk);
1246
1247 ratio = (msr >> 24) & 0xFF;
1248 if (ratio)
1249 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
1250 ratio, bclk, ratio * bclk);
1251
1252 ratio = (msr >> 16) & 0xFF;
1253 if (ratio)
1254 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
1255 ratio, bclk, ratio * bclk);
1256
1257 ratio = (msr >> 8) & 0xFF;
1258 if (ratio)
1259 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
1260 ratio, bclk, ratio * bclk);
1261
1262 ratio = (msr >> 0) & 0xFF;
1263 if (ratio)
1264 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
1265 ratio, bclk, ratio * bclk);
Len Brownfcd17212015-03-23 20:29:09 -04001266 return;
1267}
Len Brown6574a5d2012-09-21 00:01:31 -04001268
Len Brownfcd17212015-03-23 20:29:09 -04001269static void
1270dump_nhm_turbo_ratio_limits(void)
1271{
1272 unsigned long long msr;
1273 unsigned int ratio;
Len Brown103a8fe2010-10-22 23:53:03 -04001274
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001275 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
Len Brown103a8fe2010-10-22 23:53:03 -04001276
Len Brownbfae2052015-06-17 12:27:21 -04001277 fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
Len Brown6574a5d2012-09-21 00:01:31 -04001278
1279 ratio = (msr >> 56) & 0xFF;
1280 if (ratio)
1281 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
1282 ratio, bclk, ratio * bclk);
1283
1284 ratio = (msr >> 48) & 0xFF;
1285 if (ratio)
1286 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
1287 ratio, bclk, ratio * bclk);
1288
1289 ratio = (msr >> 40) & 0xFF;
1290 if (ratio)
1291 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
1292 ratio, bclk, ratio * bclk);
1293
1294 ratio = (msr >> 32) & 0xFF;
1295 if (ratio)
1296 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
1297 ratio, bclk, ratio * bclk);
1298
Len Brown103a8fe2010-10-22 23:53:03 -04001299 ratio = (msr >> 24) & 0xFF;
1300 if (ratio)
1301 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
1302 ratio, bclk, ratio * bclk);
1303
1304 ratio = (msr >> 16) & 0xFF;
1305 if (ratio)
1306 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n",
1307 ratio, bclk, ratio * bclk);
1308
1309 ratio = (msr >> 8) & 0xFF;
1310 if (ratio)
1311 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n",
1312 ratio, bclk, ratio * bclk);
1313
1314 ratio = (msr >> 0) & 0xFF;
1315 if (ratio)
1316 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
1317 ratio, bclk, ratio * bclk);
Len Brownfcd17212015-03-23 20:29:09 -04001318 return;
1319}
Len Brown3a9a9412014-08-15 02:39:52 -04001320
Len Brownfcd17212015-03-23 20:29:09 -04001321static void
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001322dump_knl_turbo_ratio_limits(void)
1323{
1324 int cores;
1325 unsigned int ratio;
1326 unsigned long long msr;
1327 int delta_cores;
1328 int delta_ratio;
1329 int i;
1330
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001331 get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001332
Len Brownbfae2052015-06-17 12:27:21 -04001333 fprintf(stderr, "cpu%d: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n",
1334 base_cpu, msr);
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001335
1336 /**
1337 * Turbo encoding in KNL is as follows:
1338 * [7:0] -- Base value of number of active cores of bucket 1.
1339 * [15:8] -- Base value of freq ratio of bucket 1.
1340 * [20:16] -- +ve delta of number of active cores of bucket 2.
1341 * i.e. active cores of bucket 2 =
1342 * active cores of bucket 1 + delta
1343 * [23:21] -- Negative delta of freq ratio of bucket 2.
1344 * i.e. freq ratio of bucket 2 =
1345 * freq ratio of bucket 1 - delta
1346 * [28:24]-- +ve delta of number of active cores of bucket 3.
1347 * [31:29]-- -ve delta of freq ratio of bucket 3.
1348 * [36:32]-- +ve delta of number of active cores of bucket 4.
1349 * [39:37]-- -ve delta of freq ratio of bucket 4.
1350 * [44:40]-- +ve delta of number of active cores of bucket 5.
1351 * [47:45]-- -ve delta of freq ratio of bucket 5.
1352 * [52:48]-- +ve delta of number of active cores of bucket 6.
1353 * [55:53]-- -ve delta of freq ratio of bucket 6.
1354 * [60:56]-- +ve delta of number of active cores of bucket 7.
1355 * [63:61]-- -ve delta of freq ratio of bucket 7.
1356 */
1357 cores = msr & 0xFF;
1358 ratio = (msr >> 8) && 0xFF;
1359 if (ratio > 0)
1360 fprintf(stderr,
1361 "%d * %.0f = %.0f MHz max turbo %d active cores\n",
1362 ratio, bclk, ratio * bclk, cores);
1363
1364 for (i = 16; i < 64; i = i + 8) {
1365 delta_cores = (msr >> i) & 0x1F;
1366 delta_ratio = (msr >> (i + 5)) && 0x7;
1367 if (!delta_cores || !delta_ratio)
1368 return;
1369 cores = cores + delta_cores;
1370 ratio = ratio - delta_ratio;
1371
1372 /** -ve ratios will make successive ratio calculations
1373 * negative. Hence return instead of carrying on.
1374 */
1375 if (ratio > 0)
1376 fprintf(stderr,
1377 "%d * %.0f = %.0f MHz max turbo %d active cores\n",
1378 ratio, bclk, ratio * bclk, cores);
1379 }
1380}
1381
1382static void
Len Brownfcd17212015-03-23 20:29:09 -04001383dump_nhm_cst_cfg(void)
1384{
1385 unsigned long long msr;
1386
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001387 get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
Len Brownfcd17212015-03-23 20:29:09 -04001388
1389#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
1390#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
1391
Len Brownbfae2052015-06-17 12:27:21 -04001392 fprintf(stderr, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr);
Len Brownfcd17212015-03-23 20:29:09 -04001393
1394 fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
1395 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
1396 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
1397 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
1398 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
1399 (msr & (1 << 15)) ? "" : "UN",
1400 (unsigned int)msr & 7,
1401 pkg_cstate_limit_strings[pkg_cstate_limit]);
1402 return;
Len Brown103a8fe2010-10-22 23:53:03 -04001403}
1404
Len Brown6fb31432015-06-17 16:23:45 -04001405static void
1406dump_config_tdp(void)
1407{
1408 unsigned long long msr;
1409
1410 get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
1411 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
1412 fprintf(stderr, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF);
1413
1414 get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
1415 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
1416 if (msr) {
1417 fprintf(stderr, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF);
1418 fprintf(stderr, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF);
1419 fprintf(stderr, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF);
1420 fprintf(stderr, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF);
1421 }
1422 fprintf(stderr, ")\n");
1423
1424 get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
1425 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
1426 if (msr) {
1427 fprintf(stderr, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF);
1428 fprintf(stderr, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF);
1429 fprintf(stderr, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF);
1430 fprintf(stderr, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF);
1431 }
1432 fprintf(stderr, ")\n");
1433
1434 get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
1435 fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
1436 if ((msr) & 0x3)
1437 fprintf(stderr, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
1438 fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1);
1439 fprintf(stderr, ")\n");
1440
1441 get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
1442 fprintf(stderr, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
1443 fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xEF);
1444 fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1);
1445 fprintf(stderr, ")\n");
1446}
1447
Len Brownc98d5d92012-06-04 00:56:40 -04001448void free_all_buffers(void)
Len Brown103a8fe2010-10-22 23:53:03 -04001449{
Len Brownc98d5d92012-06-04 00:56:40 -04001450 CPU_FREE(cpu_present_set);
1451 cpu_present_set = NULL;
1452 cpu_present_set = 0;
Len Brown103a8fe2010-10-22 23:53:03 -04001453
Len Brownc98d5d92012-06-04 00:56:40 -04001454 CPU_FREE(cpu_affinity_set);
1455 cpu_affinity_set = NULL;
1456 cpu_affinity_setsize = 0;
Len Brown103a8fe2010-10-22 23:53:03 -04001457
Len Brownc98d5d92012-06-04 00:56:40 -04001458 free(thread_even);
1459 free(core_even);
1460 free(package_even);
1461
1462 thread_even = NULL;
1463 core_even = NULL;
1464 package_even = NULL;
1465
1466 free(thread_odd);
1467 free(core_odd);
1468 free(package_odd);
1469
1470 thread_odd = NULL;
1471 core_odd = NULL;
1472 package_odd = NULL;
1473
1474 free(output_buffer);
1475 output_buffer = NULL;
1476 outp = NULL;
Len Brown103a8fe2010-10-22 23:53:03 -04001477}
1478
Len Brownc98d5d92012-06-04 00:56:40 -04001479/*
Josh Triplett57a42a32013-08-20 17:20:17 -07001480 * Open a file, and exit on failure
1481 */
1482FILE *fopen_or_die(const char *path, const char *mode)
1483{
1484 FILE *filep = fopen(path, "r");
Josh Triplettb2c95d92013-08-20 17:20:18 -07001485 if (!filep)
1486 err(1, "%s: open failed", path);
Josh Triplett57a42a32013-08-20 17:20:17 -07001487 return filep;
1488}
1489
1490/*
Josh Triplett95aebc42013-08-20 17:20:16 -07001491 * Parse a file containing a single int.
1492 */
1493int parse_int_file(const char *fmt, ...)
1494{
1495 va_list args;
1496 char path[PATH_MAX];
1497 FILE *filep;
1498 int value;
1499
1500 va_start(args, fmt);
1501 vsnprintf(path, sizeof(path), fmt, args);
1502 va_end(args);
Josh Triplett57a42a32013-08-20 17:20:17 -07001503 filep = fopen_or_die(path, "r");
Josh Triplettb2c95d92013-08-20 17:20:18 -07001504 if (fscanf(filep, "%d", &value) != 1)
1505 err(1, "%s: failed to parse number from file", path);
Josh Triplett95aebc42013-08-20 17:20:16 -07001506 fclose(filep);
1507 return value;
1508}
1509
1510/*
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001511 * get_cpu_position_in_core(cpu)
1512 * return the position of the CPU among its HT siblings in the core
1513 * return -1 if the sibling is not in list
Len Brownc98d5d92012-06-04 00:56:40 -04001514 */
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001515int get_cpu_position_in_core(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -04001516{
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001517 char path[64];
1518 FILE *filep;
1519 int this_cpu;
1520 char character;
1521 int i;
1522
1523 sprintf(path,
1524 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list",
1525 cpu);
1526 filep = fopen(path, "r");
1527 if (filep == NULL) {
1528 perror(path);
1529 exit(1);
1530 }
1531
1532 for (i = 0; i < topo.num_threads_per_core; i++) {
1533 fscanf(filep, "%d", &this_cpu);
1534 if (this_cpu == cpu) {
1535 fclose(filep);
1536 return i;
1537 }
1538
1539 /* Account for no separator after last thread*/
1540 if (i != (topo.num_threads_per_core - 1))
1541 fscanf(filep, "%c", &character);
1542 }
1543
1544 fclose(filep);
1545 return -1;
Len Brown103a8fe2010-10-22 23:53:03 -04001546}
1547
Len Brownc98d5d92012-06-04 00:56:40 -04001548/*
1549 * cpu_is_first_core_in_package(cpu)
1550 * return 1 if given CPU is 1st core in package
1551 */
1552int cpu_is_first_core_in_package(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -04001553{
Josh Triplett95aebc42013-08-20 17:20:16 -07001554 return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
Len Brown103a8fe2010-10-22 23:53:03 -04001555}
1556
1557int get_physical_package_id(int cpu)
1558{
Josh Triplett95aebc42013-08-20 17:20:16 -07001559 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
Len Brown103a8fe2010-10-22 23:53:03 -04001560}
1561
1562int get_core_id(int cpu)
1563{
Josh Triplett95aebc42013-08-20 17:20:16 -07001564 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
Len Brown103a8fe2010-10-22 23:53:03 -04001565}
1566
Len Brownc98d5d92012-06-04 00:56:40 -04001567int get_num_ht_siblings(int cpu)
1568{
1569 char path[80];
1570 FILE *filep;
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001571 int sib1;
1572 int matches = 0;
Len Brownc98d5d92012-06-04 00:56:40 -04001573 char character;
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001574 char str[100];
1575 char *ch;
Len Brownc98d5d92012-06-04 00:56:40 -04001576
1577 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
Josh Triplett57a42a32013-08-20 17:20:17 -07001578 filep = fopen_or_die(path, "r");
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001579
Len Brownc98d5d92012-06-04 00:56:40 -04001580 /*
1581 * file format:
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001582 * A ',' separated or '-' separated set of numbers
1583 * (eg 1-2 or 1,3,4,5)
Len Brownc98d5d92012-06-04 00:56:40 -04001584 */
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001585 fscanf(filep, "%d%c\n", &sib1, &character);
1586 fseek(filep, 0, SEEK_SET);
1587 fgets(str, 100, filep);
1588 ch = strchr(str, character);
1589 while (ch != NULL) {
1590 matches++;
1591 ch = strchr(ch+1, character);
1592 }
Len Brownc98d5d92012-06-04 00:56:40 -04001593
1594 fclose(filep);
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07001595 return matches+1;
Len Brownc98d5d92012-06-04 00:56:40 -04001596}
1597
Len Brown103a8fe2010-10-22 23:53:03 -04001598/*
Len Brownc98d5d92012-06-04 00:56:40 -04001599 * run func(thread, core, package) in topology order
1600 * skip non-present cpus
Len Brown103a8fe2010-10-22 23:53:03 -04001601 */
1602
Len Brownc98d5d92012-06-04 00:56:40 -04001603int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
1604 struct pkg_data *, struct thread_data *, struct core_data *,
1605 struct pkg_data *), struct thread_data *thread_base,
1606 struct core_data *core_base, struct pkg_data *pkg_base,
1607 struct thread_data *thread_base2, struct core_data *core_base2,
1608 struct pkg_data *pkg_base2)
1609{
1610 int retval, pkg_no, core_no, thread_no;
1611
1612 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
1613 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
1614 for (thread_no = 0; thread_no <
1615 topo.num_threads_per_core; ++thread_no) {
1616 struct thread_data *t, *t2;
1617 struct core_data *c, *c2;
1618 struct pkg_data *p, *p2;
1619
1620 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
1621
1622 if (cpu_is_not_present(t->cpu_id))
1623 continue;
1624
1625 t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
1626
1627 c = GET_CORE(core_base, core_no, pkg_no);
1628 c2 = GET_CORE(core_base2, core_no, pkg_no);
1629
1630 p = GET_PKG(pkg_base, pkg_no);
1631 p2 = GET_PKG(pkg_base2, pkg_no);
1632
1633 retval = func(t, c, p, t2, c2, p2);
1634 if (retval)
1635 return retval;
1636 }
1637 }
1638 }
1639 return 0;
1640}
1641
1642/*
1643 * run func(cpu) on every cpu in /proc/stat
1644 * return max_cpu number
1645 */
1646int for_all_proc_cpus(int (func)(int))
Len Brown103a8fe2010-10-22 23:53:03 -04001647{
1648 FILE *fp;
Len Brownc98d5d92012-06-04 00:56:40 -04001649 int cpu_num;
Len Brown103a8fe2010-10-22 23:53:03 -04001650 int retval;
1651
Josh Triplett57a42a32013-08-20 17:20:17 -07001652 fp = fopen_or_die(proc_stat, "r");
Len Brown103a8fe2010-10-22 23:53:03 -04001653
1654 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
Josh Triplettb2c95d92013-08-20 17:20:18 -07001655 if (retval != 0)
1656 err(1, "%s: failed to parse format", proc_stat);
Len Brown103a8fe2010-10-22 23:53:03 -04001657
Len Brownc98d5d92012-06-04 00:56:40 -04001658 while (1) {
1659 retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
Len Brown103a8fe2010-10-22 23:53:03 -04001660 if (retval != 1)
1661 break;
1662
Len Brownc98d5d92012-06-04 00:56:40 -04001663 retval = func(cpu_num);
1664 if (retval) {
1665 fclose(fp);
1666 return(retval);
1667 }
Len Brown103a8fe2010-10-22 23:53:03 -04001668 }
1669 fclose(fp);
Len Brownc98d5d92012-06-04 00:56:40 -04001670 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -04001671}
1672
1673void re_initialize(void)
1674{
Len Brownc98d5d92012-06-04 00:56:40 -04001675 free_all_buffers();
1676 setup_all_buffers();
1677 printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
Len Brown103a8fe2010-10-22 23:53:03 -04001678}
1679
Len Brownc98d5d92012-06-04 00:56:40 -04001680
Len Brown103a8fe2010-10-22 23:53:03 -04001681/*
Len Brownc98d5d92012-06-04 00:56:40 -04001682 * count_cpus()
1683 * remember the last one seen, it will be the max
Len Brown103a8fe2010-10-22 23:53:03 -04001684 */
Len Brownc98d5d92012-06-04 00:56:40 -04001685int count_cpus(int cpu)
Len Brown103a8fe2010-10-22 23:53:03 -04001686{
Len Brownc98d5d92012-06-04 00:56:40 -04001687 if (topo.max_cpu_num < cpu)
1688 topo.max_cpu_num = cpu;
Len Brown103a8fe2010-10-22 23:53:03 -04001689
Len Brownc98d5d92012-06-04 00:56:40 -04001690 topo.num_cpus += 1;
1691 return 0;
1692}
1693int mark_cpu_present(int cpu)
1694{
1695 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
Len Brown15aaa342012-03-29 22:19:58 -04001696 return 0;
Len Brown103a8fe2010-10-22 23:53:03 -04001697}
1698
1699void turbostat_loop()
1700{
Len Brownc98d5d92012-06-04 00:56:40 -04001701 int retval;
Len Browne52966c2012-11-08 22:38:05 -05001702 int restarted = 0;
Len Brownc98d5d92012-06-04 00:56:40 -04001703
Len Brown103a8fe2010-10-22 23:53:03 -04001704restart:
Len Browne52966c2012-11-08 22:38:05 -05001705 restarted++;
1706
Len Brownc98d5d92012-06-04 00:56:40 -04001707 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -04001708 if (retval < -1) {
1709 exit(retval);
1710 } else if (retval == -1) {
Len Browne52966c2012-11-08 22:38:05 -05001711 if (restarted > 1) {
1712 exit(retval);
1713 }
Len Brownc98d5d92012-06-04 00:56:40 -04001714 re_initialize();
1715 goto restart;
1716 }
Len Browne52966c2012-11-08 22:38:05 -05001717 restarted = 0;
Len Brown103a8fe2010-10-22 23:53:03 -04001718 gettimeofday(&tv_even, (struct timezone *)NULL);
1719
1720 while (1) {
Len Brownc98d5d92012-06-04 00:56:40 -04001721 if (for_all_proc_cpus(cpu_is_not_present)) {
Len Brown103a8fe2010-10-22 23:53:03 -04001722 re_initialize();
1723 goto restart;
1724 }
1725 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -04001726 retval = for_all_cpus(get_counters, ODD_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -04001727 if (retval < -1) {
1728 exit(retval);
1729 } else if (retval == -1) {
Len Brown15aaa342012-03-29 22:19:58 -04001730 re_initialize();
1731 goto restart;
1732 }
Len Brown103a8fe2010-10-22 23:53:03 -04001733 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -04001734 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -04001735 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
1736 compute_average(EVEN_COUNTERS);
1737 format_all_counters(EVEN_COUNTERS);
1738 flush_stdout();
Len Brown15aaa342012-03-29 22:19:58 -04001739 sleep(interval_sec);
Len Brownc98d5d92012-06-04 00:56:40 -04001740 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
Len Brownd91bb172012-11-01 00:08:19 -04001741 if (retval < -1) {
1742 exit(retval);
1743 } else if (retval == -1) {
Len Brown103a8fe2010-10-22 23:53:03 -04001744 re_initialize();
1745 goto restart;
1746 }
Len Brown103a8fe2010-10-22 23:53:03 -04001747 gettimeofday(&tv_even, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -04001748 timersub(&tv_even, &tv_odd, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -04001749 for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS);
1750 compute_average(ODD_COUNTERS);
1751 format_all_counters(ODD_COUNTERS);
1752 flush_stdout();
Len Brown103a8fe2010-10-22 23:53:03 -04001753 }
1754}
1755
1756void check_dev_msr()
1757{
1758 struct stat sb;
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001759 char pathname[32];
Len Brown103a8fe2010-10-22 23:53:03 -04001760
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001761 sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
1762 if (stat(pathname, &sb))
Len Browna21d38c2015-03-24 16:37:35 -04001763 if (system("/sbin/modprobe msr > /dev/null 2>&1"))
1764 err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
Len Brown103a8fe2010-10-22 23:53:03 -04001765}
1766
Len Brown98481e72014-08-15 00:36:50 -04001767void check_permissions()
Len Brown103a8fe2010-10-22 23:53:03 -04001768{
Len Brown98481e72014-08-15 00:36:50 -04001769 struct __user_cap_header_struct cap_header_data;
1770 cap_user_header_t cap_header = &cap_header_data;
1771 struct __user_cap_data_struct cap_data_data;
1772 cap_user_data_t cap_data = &cap_data_data;
1773 extern int capget(cap_user_header_t hdrp, cap_user_data_t datap);
1774 int do_exit = 0;
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001775 char pathname[32];
Len Brown98481e72014-08-15 00:36:50 -04001776
1777 /* check for CAP_SYS_RAWIO */
1778 cap_header->pid = getpid();
1779 cap_header->version = _LINUX_CAPABILITY_VERSION;
1780 if (capget(cap_header, cap_data) < 0)
1781 err(-6, "capget(2) failed");
1782
1783 if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) {
1784 do_exit++;
1785 warnx("capget(CAP_SYS_RAWIO) failed,"
1786 " try \"# setcap cap_sys_rawio=ep %s\"", progname);
1787 }
1788
1789 /* test file permissions */
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001790 sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
1791 if (euidaccess(pathname, R_OK)) {
Len Brown98481e72014-08-15 00:36:50 -04001792 do_exit++;
1793 warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
1794 }
1795
1796 /* if all else fails, thell them to be root */
1797 if (do_exit)
1798 if (getuid() != 0)
Len Brownd7899442015-01-23 00:12:33 -05001799 warnx("... or simply run as root");
Len Brown98481e72014-08-15 00:36:50 -04001800
1801 if (do_exit)
1802 exit(-6);
Len Brown103a8fe2010-10-22 23:53:03 -04001803}
1804
Len Brownd7899442015-01-23 00:12:33 -05001805/*
1806 * NHM adds support for additional MSRs:
1807 *
1808 * MSR_SMI_COUNT 0x00000034
1809 *
1810 * MSR_NHM_PLATFORM_INFO 0x000000ce
1811 * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2
1812 *
1813 * MSR_PKG_C3_RESIDENCY 0x000003f8
1814 * MSR_PKG_C6_RESIDENCY 0x000003f9
1815 * MSR_CORE_C3_RESIDENCY 0x000003fc
1816 * MSR_CORE_C6_RESIDENCY 0x000003fd
1817 *
Len Brownee7e38e2015-02-09 23:39:45 -05001818 * Side effect:
1819 * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL
Len Brownd7899442015-01-23 00:12:33 -05001820 */
Len Brownee7e38e2015-02-09 23:39:45 -05001821int probe_nhm_msrs(unsigned int family, unsigned int model)
Len Brown103a8fe2010-10-22 23:53:03 -04001822{
Len Brownee7e38e2015-02-09 23:39:45 -05001823 unsigned long long msr;
1824 int *pkg_cstate_limits;
1825
Len Brown103a8fe2010-10-22 23:53:03 -04001826 if (!genuine_intel)
1827 return 0;
1828
1829 if (family != 6)
1830 return 0;
1831
1832 switch (model) {
1833 case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
1834 case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
1835 case 0x1F: /* Core i7 and i5 Processor - Nehalem */
1836 case 0x25: /* Westmere Client - Clarkdale, Arrandale */
1837 case 0x2C: /* Westmere EP - Gulftown */
Len Brownee7e38e2015-02-09 23:39:45 -05001838 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1839 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1840 pkg_cstate_limits = nhm_pkg_cstate_limits;
1841 break;
Len Brown103a8fe2010-10-22 23:53:03 -04001842 case 0x2A: /* SNB */
1843 case 0x2D: /* SNB Xeon */
Len Brown553575f2011-11-18 03:32:01 -05001844 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -04001845 case 0x3E: /* IVB Xeon */
Len Brownee7e38e2015-02-09 23:39:45 -05001846 pkg_cstate_limits = snb_pkg_cstate_limits;
1847 break;
Len Brown70b43402013-01-08 01:26:07 -05001848 case 0x3C: /* HSW */
Len Browne6f9bb32013-12-03 02:19:19 -05001849 case 0x3F: /* HSX */
Len Brown70b43402013-01-08 01:26:07 -05001850 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -04001851 case 0x46: /* HSW */
Len Brown4e8e863f2014-02-27 23:28:53 -05001852 case 0x3D: /* BDW */
Len Brown48a06312015-02-10 15:38:04 -05001853 case 0x47: /* BDW */
Len Brown4e8e863f2014-02-27 23:28:53 -05001854 case 0x4F: /* BDX */
1855 case 0x56: /* BDX-DE */
Len Brown0b2bb692015-03-26 00:50:30 -04001856 case 0x4E: /* SKL */
1857 case 0x5E: /* SKL */
Len Brownee7e38e2015-02-09 23:39:45 -05001858 pkg_cstate_limits = hsw_pkg_cstate_limits;
1859 break;
1860 case 0x37: /* BYT */
1861 case 0x4D: /* AVN */
1862 pkg_cstate_limits = slv_pkg_cstate_limits;
1863 break;
1864 case 0x4C: /* AMT */
1865 pkg_cstate_limits = amt_pkg_cstate_limits;
1866 break;
1867 case 0x57: /* PHI */
1868 pkg_cstate_limits = phi_pkg_cstate_limits;
1869 break;
Len Brown103a8fe2010-10-22 23:53:03 -04001870 default:
1871 return 0;
1872 }
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04001873 get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
Len Brownee7e38e2015-02-09 23:39:45 -05001874
Len Browne9257f52015-04-01 21:02:57 -04001875 pkg_cstate_limit = pkg_cstate_limits[msr & 0xF];
Len Brownee7e38e2015-02-09 23:39:45 -05001876
1877 return 1;
Len Brown103a8fe2010-10-22 23:53:03 -04001878}
Len Brownd7899442015-01-23 00:12:33 -05001879int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model)
1880{
Len Brownd7899442015-01-23 00:12:33 -05001881 switch (model) {
1882 /* Nehalem compatible, but do not include turbo-ratio limit support */
1883 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1884 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1885 return 0;
1886 default:
1887 return 1;
1888 }
1889}
Len Brown6574a5d2012-09-21 00:01:31 -04001890int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
1891{
1892 if (!genuine_intel)
1893 return 0;
1894
1895 if (family != 6)
1896 return 0;
1897
1898 switch (model) {
1899 case 0x3E: /* IVB Xeon */
Len Brownfcd17212015-03-23 20:29:09 -04001900 case 0x3F: /* HSW Xeon */
Len Brown6574a5d2012-09-21 00:01:31 -04001901 return 1;
1902 default:
1903 return 0;
1904 }
1905}
Len Brownfcd17212015-03-23 20:29:09 -04001906int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model)
1907{
1908 if (!genuine_intel)
1909 return 0;
1910
1911 if (family != 6)
1912 return 0;
1913
1914 switch (model) {
1915 case 0x3F: /* HSW Xeon */
1916 return 1;
1917 default:
1918 return 0;
1919 }
1920}
1921
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001922int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)
1923{
1924 if (!genuine_intel)
1925 return 0;
1926
1927 if (family != 6)
1928 return 0;
1929
1930 switch (model) {
1931 case 0x57: /* Knights Landing */
1932 return 1;
1933 default:
1934 return 0;
1935 }
1936}
Len Brown6fb31432015-06-17 16:23:45 -04001937int has_config_tdp(unsigned int family, unsigned int model)
1938{
1939 if (!genuine_intel)
1940 return 0;
1941
1942 if (family != 6)
1943 return 0;
1944
1945 switch (model) {
1946 case 0x3A: /* IVB */
Len Brown6fb31432015-06-17 16:23:45 -04001947 case 0x3C: /* HSW */
1948 case 0x3F: /* HSX */
1949 case 0x45: /* HSW */
1950 case 0x46: /* HSW */
1951 case 0x3D: /* BDW */
1952 case 0x47: /* BDW */
1953 case 0x4F: /* BDX */
1954 case 0x56: /* BDX-DE */
1955 case 0x4E: /* SKL */
1956 case 0x5E: /* SKL */
1957
1958 case 0x57: /* Knights Landing */
1959 return 1;
1960 default:
1961 return 0;
1962 }
1963}
1964
Len Brownfcd17212015-03-23 20:29:09 -04001965static void
1966dump_cstate_pstate_config_info(family, model)
1967{
1968 if (!do_nhm_platform_info)
1969 return;
1970
1971 dump_nhm_platform_info();
1972
1973 if (has_hsw_turbo_ratio_limit(family, model))
1974 dump_hsw_turbo_ratio_limits();
1975
1976 if (has_ivt_turbo_ratio_limit(family, model))
1977 dump_ivt_turbo_ratio_limits();
1978
1979 if (has_nhm_turbo_ratio_limit(family, model))
1980 dump_nhm_turbo_ratio_limits();
1981
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07001982 if (has_knl_turbo_ratio_limit(family, model))
1983 dump_knl_turbo_ratio_limits();
1984
Len Brown6fb31432015-06-17 16:23:45 -04001985 if (has_config_tdp(family, model))
1986 dump_config_tdp();
1987
Len Brownfcd17212015-03-23 20:29:09 -04001988 dump_nhm_cst_cfg();
1989}
1990
Len Brown6574a5d2012-09-21 00:01:31 -04001991
Len Brown889facb2012-11-08 00:48:57 -05001992/*
1993 * print_epb()
1994 * Decode the ENERGY_PERF_BIAS MSR
1995 */
1996int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1997{
1998 unsigned long long msr;
1999 char *epb_string;
2000 int cpu;
2001
2002 if (!has_epb)
2003 return 0;
2004
2005 cpu = t->cpu_id;
2006
2007 /* EPB is per-package */
2008 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2009 return 0;
2010
2011 if (cpu_migrate(cpu)) {
2012 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2013 return -1;
2014 }
2015
2016 if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
2017 return 0;
2018
Len Browne9be7dd2015-05-26 12:19:37 -04002019 switch (msr & 0xF) {
Len Brown889facb2012-11-08 00:48:57 -05002020 case ENERGY_PERF_BIAS_PERFORMANCE:
2021 epb_string = "performance";
2022 break;
2023 case ENERGY_PERF_BIAS_NORMAL:
2024 epb_string = "balanced";
2025 break;
2026 case ENERGY_PERF_BIAS_POWERSAVE:
2027 epb_string = "powersave";
2028 break;
2029 default:
2030 epb_string = "custom";
2031 break;
2032 }
2033 fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
2034
2035 return 0;
2036}
2037
Len Brown3a9a9412014-08-15 02:39:52 -04002038/*
2039 * print_perf_limit()
2040 */
2041int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2042{
2043 unsigned long long msr;
2044 int cpu;
2045
2046 cpu = t->cpu_id;
2047
2048 /* per-package */
2049 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2050 return 0;
2051
2052 if (cpu_migrate(cpu)) {
2053 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2054 return -1;
2055 }
2056
2057 if (do_core_perf_limit_reasons) {
2058 get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr);
2059 fprintf(stderr, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
2060 fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)",
Len Browne33cbe82015-03-13 16:30:57 -04002061 (msr & 1 << 15) ? "bit15, " : "",
Len Brown3a9a9412014-08-15 02:39:52 -04002062 (msr & 1 << 14) ? "bit14, " : "",
Len Browne33cbe82015-03-13 16:30:57 -04002063 (msr & 1 << 13) ? "Transitions, " : "",
2064 (msr & 1 << 12) ? "MultiCoreTurbo, " : "",
2065 (msr & 1 << 11) ? "PkgPwrL2, " : "",
2066 (msr & 1 << 10) ? "PkgPwrL1, " : "",
2067 (msr & 1 << 9) ? "CorePwr, " : "",
2068 (msr & 1 << 8) ? "Amps, " : "",
2069 (msr & 1 << 6) ? "VR-Therm, " : "",
2070 (msr & 1 << 5) ? "Auto-HWP, " : "",
2071 (msr & 1 << 4) ? "Graphics, " : "",
2072 (msr & 1 << 2) ? "bit2, " : "",
2073 (msr & 1 << 1) ? "ThermStatus, " : "",
2074 (msr & 1 << 0) ? "PROCHOT, " : "");
Len Brown3a9a9412014-08-15 02:39:52 -04002075 fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
Len Browne33cbe82015-03-13 16:30:57 -04002076 (msr & 1 << 31) ? "bit31, " : "",
Len Brown3a9a9412014-08-15 02:39:52 -04002077 (msr & 1 << 30) ? "bit30, " : "",
Len Browne33cbe82015-03-13 16:30:57 -04002078 (msr & 1 << 29) ? "Transitions, " : "",
2079 (msr & 1 << 28) ? "MultiCoreTurbo, " : "",
2080 (msr & 1 << 27) ? "PkgPwrL2, " : "",
2081 (msr & 1 << 26) ? "PkgPwrL1, " : "",
2082 (msr & 1 << 25) ? "CorePwr, " : "",
2083 (msr & 1 << 24) ? "Amps, " : "",
2084 (msr & 1 << 22) ? "VR-Therm, " : "",
2085 (msr & 1 << 21) ? "Auto-HWP, " : "",
2086 (msr & 1 << 20) ? "Graphics, " : "",
2087 (msr & 1 << 18) ? "bit18, " : "",
2088 (msr & 1 << 17) ? "ThermStatus, " : "",
2089 (msr & 1 << 16) ? "PROCHOT, " : "");
Len Brown3a9a9412014-08-15 02:39:52 -04002090
2091 }
2092 if (do_gfx_perf_limit_reasons) {
2093 get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr);
2094 fprintf(stderr, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
2095 fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s)",
2096 (msr & 1 << 0) ? "PROCHOT, " : "",
2097 (msr & 1 << 1) ? "ThermStatus, " : "",
2098 (msr & 1 << 4) ? "Graphics, " : "",
2099 (msr & 1 << 6) ? "VR-Therm, " : "",
2100 (msr & 1 << 8) ? "Amps, " : "",
2101 (msr & 1 << 9) ? "GFXPwr, " : "",
2102 (msr & 1 << 10) ? "PkgPwrL1, " : "",
2103 (msr & 1 << 11) ? "PkgPwrL2, " : "");
2104 fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s)\n",
2105 (msr & 1 << 16) ? "PROCHOT, " : "",
2106 (msr & 1 << 17) ? "ThermStatus, " : "",
2107 (msr & 1 << 20) ? "Graphics, " : "",
2108 (msr & 1 << 22) ? "VR-Therm, " : "",
2109 (msr & 1 << 24) ? "Amps, " : "",
2110 (msr & 1 << 25) ? "GFXPwr, " : "",
2111 (msr & 1 << 26) ? "PkgPwrL1, " : "",
2112 (msr & 1 << 27) ? "PkgPwrL2, " : "");
2113 }
2114 if (do_ring_perf_limit_reasons) {
2115 get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr);
2116 fprintf(stderr, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
2117 fprintf(stderr, " (Active: %s%s%s%s%s%s)",
2118 (msr & 1 << 0) ? "PROCHOT, " : "",
2119 (msr & 1 << 1) ? "ThermStatus, " : "",
2120 (msr & 1 << 6) ? "VR-Therm, " : "",
2121 (msr & 1 << 8) ? "Amps, " : "",
2122 (msr & 1 << 10) ? "PkgPwrL1, " : "",
2123 (msr & 1 << 11) ? "PkgPwrL2, " : "");
2124 fprintf(stderr, " (Logged: %s%s%s%s%s%s)\n",
2125 (msr & 1 << 16) ? "PROCHOT, " : "",
2126 (msr & 1 << 17) ? "ThermStatus, " : "",
2127 (msr & 1 << 22) ? "VR-Therm, " : "",
2128 (msr & 1 << 24) ? "Amps, " : "",
2129 (msr & 1 << 26) ? "PkgPwrL1, " : "",
2130 (msr & 1 << 27) ? "PkgPwrL2, " : "");
2131 }
2132 return 0;
2133}
2134
Len Brown889facb2012-11-08 00:48:57 -05002135#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
2136#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
2137
Len Brown144b44b2013-11-09 00:30:16 -05002138double get_tdp(model)
2139{
2140 unsigned long long msr;
2141
2142 if (do_rapl & RAPL_PKG_POWER_INFO)
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04002143 if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr))
Len Brown144b44b2013-11-09 00:30:16 -05002144 return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
2145
2146 switch (model) {
2147 case 0x37:
2148 case 0x4D:
2149 return 30.0;
2150 default:
2151 return 135.0;
2152 }
2153}
2154
Andrey Semin40ee8e32014-12-05 00:07:00 -05002155/*
2156 * rapl_dram_energy_units_probe()
2157 * Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
2158 */
2159static double
2160rapl_dram_energy_units_probe(int model, double rapl_energy_units)
2161{
2162 /* only called for genuine_intel, family 6 */
2163
2164 switch (model) {
2165 case 0x3F: /* HSX */
2166 case 0x4F: /* BDX */
2167 case 0x56: /* BDX-DE */
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07002168 case 0x57: /* KNL */
Andrey Semin40ee8e32014-12-05 00:07:00 -05002169 return (rapl_dram_energy_units = 15.3 / 1000000);
2170 default:
2171 return (rapl_energy_units);
2172 }
2173}
2174
Len Brown144b44b2013-11-09 00:30:16 -05002175
Len Brown889facb2012-11-08 00:48:57 -05002176/*
2177 * rapl_probe()
2178 *
Len Brown144b44b2013-11-09 00:30:16 -05002179 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
Len Brown889facb2012-11-08 00:48:57 -05002180 */
2181void rapl_probe(unsigned int family, unsigned int model)
2182{
2183 unsigned long long msr;
Len Brown144b44b2013-11-09 00:30:16 -05002184 unsigned int time_unit;
Len Brown889facb2012-11-08 00:48:57 -05002185 double tdp;
2186
2187 if (!genuine_intel)
2188 return;
2189
2190 if (family != 6)
2191 return;
2192
2193 switch (model) {
2194 case 0x2A:
2195 case 0x3A:
Len Brown70b43402013-01-08 01:26:07 -05002196 case 0x3C: /* HSW */
Len Brown70b43402013-01-08 01:26:07 -05002197 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -04002198 case 0x46: /* HSW */
Len Brown4e8e863f2014-02-27 23:28:53 -05002199 case 0x3D: /* BDW */
Len Brown48a06312015-02-10 15:38:04 -05002200 case 0x47: /* BDW */
Len Brown144b44b2013-11-09 00:30:16 -05002201 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
Len Brown889facb2012-11-08 00:48:57 -05002202 break;
Len Brown0b2bb692015-03-26 00:50:30 -04002203 case 0x4E: /* SKL */
2204 case 0x5E: /* SKL */
2205 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
2206 break;
Len Browne6f9bb32013-12-03 02:19:19 -05002207 case 0x3F: /* HSX */
Len Brown4e8e863f2014-02-27 23:28:53 -05002208 case 0x4F: /* BDX */
2209 case 0x56: /* BDX-DE */
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07002210 case 0x57: /* KNL */
Len Brown0b2bb692015-03-26 00:50:30 -04002211 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
Len Browne6f9bb32013-12-03 02:19:19 -05002212 break;
Len Brown889facb2012-11-08 00:48:57 -05002213 case 0x2D:
2214 case 0x3E:
Len Brown0b2bb692015-03-26 00:50:30 -04002215 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
Len Brown144b44b2013-11-09 00:30:16 -05002216 break;
2217 case 0x37: /* BYT */
2218 case 0x4D: /* AVN */
2219 do_rapl = RAPL_PKG | RAPL_CORES ;
Len Brown889facb2012-11-08 00:48:57 -05002220 break;
2221 default:
2222 return;
2223 }
2224
2225 /* units on package 0, verify later other packages match */
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04002226 if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr))
Len Brown889facb2012-11-08 00:48:57 -05002227 return;
2228
2229 rapl_power_units = 1.0 / (1 << (msr & 0xF));
Len Brown144b44b2013-11-09 00:30:16 -05002230 if (model == 0x37)
2231 rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
2232 else
2233 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
Len Brown889facb2012-11-08 00:48:57 -05002234
Andrey Semin40ee8e32014-12-05 00:07:00 -05002235 rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units);
2236
Len Brown144b44b2013-11-09 00:30:16 -05002237 time_unit = msr >> 16 & 0xF;
2238 if (time_unit == 0)
2239 time_unit = 0xA;
Len Brown889facb2012-11-08 00:48:57 -05002240
Len Brown144b44b2013-11-09 00:30:16 -05002241 rapl_time_units = 1.0 / (1 << (time_unit));
2242
2243 tdp = get_tdp(model);
Len Brown889facb2012-11-08 00:48:57 -05002244
2245 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
Len Brownd8af6f52015-02-10 01:56:38 -05002246 if (debug)
Len Brown144b44b2013-11-09 00:30:16 -05002247 fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
Len Brown889facb2012-11-08 00:48:57 -05002248
2249 return;
2250}
2251
Len Brown3a9a9412014-08-15 02:39:52 -04002252void perf_limit_reasons_probe(family, model)
2253{
2254 if (!genuine_intel)
2255 return;
2256
2257 if (family != 6)
2258 return;
2259
2260 switch (model) {
2261 case 0x3C: /* HSW */
2262 case 0x45: /* HSW */
2263 case 0x46: /* HSW */
2264 do_gfx_perf_limit_reasons = 1;
2265 case 0x3F: /* HSX */
2266 do_core_perf_limit_reasons = 1;
2267 do_ring_perf_limit_reasons = 1;
2268 default:
2269 return;
2270 }
2271}
2272
Len Brown889facb2012-11-08 00:48:57 -05002273int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2274{
2275 unsigned long long msr;
2276 unsigned int dts;
2277 int cpu;
2278
2279 if (!(do_dts || do_ptm))
2280 return 0;
2281
2282 cpu = t->cpu_id;
2283
2284 /* DTS is per-core, no need to print for each thread */
2285 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
2286 return 0;
2287
2288 if (cpu_migrate(cpu)) {
2289 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2290 return -1;
2291 }
2292
2293 if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
2294 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
2295 return 0;
2296
2297 dts = (msr >> 16) & 0x7F;
2298 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
2299 cpu, msr, tcc_activation_temp - dts);
2300
2301#ifdef THERM_DEBUG
2302 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
2303 return 0;
2304
2305 dts = (msr >> 16) & 0x7F;
2306 dts2 = (msr >> 8) & 0x7F;
2307 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
2308 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
2309#endif
2310 }
2311
2312
2313 if (do_dts) {
2314 unsigned int resolution;
2315
2316 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
2317 return 0;
2318
2319 dts = (msr >> 16) & 0x7F;
2320 resolution = (msr >> 27) & 0xF;
2321 fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
2322 cpu, msr, tcc_activation_temp - dts, resolution);
2323
2324#ifdef THERM_DEBUG
2325 if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
2326 return 0;
2327
2328 dts = (msr >> 16) & 0x7F;
2329 dts2 = (msr >> 8) & 0x7F;
2330 fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
2331 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
2332#endif
2333 }
2334
2335 return 0;
2336}
2337
2338void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
2339{
2340 fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
2341 cpu, label,
2342 ((msr >> 15) & 1) ? "EN" : "DIS",
2343 ((msr >> 0) & 0x7FFF) * rapl_power_units,
2344 (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
2345 (((msr >> 16) & 1) ? "EN" : "DIS"));
2346
2347 return;
2348}
2349
2350int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2351{
2352 unsigned long long msr;
2353 int cpu;
Len Brown889facb2012-11-08 00:48:57 -05002354
2355 if (!do_rapl)
2356 return 0;
2357
2358 /* RAPL counters are per package, so print only for 1st thread/package */
2359 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2360 return 0;
2361
2362 cpu = t->cpu_id;
2363 if (cpu_migrate(cpu)) {
2364 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2365 return -1;
2366 }
2367
2368 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
2369 return -1;
2370
Len Brownd8af6f52015-02-10 01:56:38 -05002371 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -05002372 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
2373 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
Len Brown144b44b2013-11-09 00:30:16 -05002374 rapl_power_units, rapl_energy_units, rapl_time_units);
Len Brown889facb2012-11-08 00:48:57 -05002375 }
Len Brown144b44b2013-11-09 00:30:16 -05002376 if (do_rapl & RAPL_PKG_POWER_INFO) {
2377
Len Brown889facb2012-11-08 00:48:57 -05002378 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
2379 return -5;
2380
2381
2382 fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
2383 cpu, msr,
2384 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2385 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2386 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2387 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
2388
Len Brown144b44b2013-11-09 00:30:16 -05002389 }
2390 if (do_rapl & RAPL_PKG) {
2391
Len Brown889facb2012-11-08 00:48:57 -05002392 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
2393 return -9;
2394
2395 fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
2396 cpu, msr, (msr >> 63) & 1 ? "": "UN");
2397
2398 print_power_limit_msr(cpu, msr, "PKG Limit #1");
2399 fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
2400 cpu,
2401 ((msr >> 47) & 1) ? "EN" : "DIS",
2402 ((msr >> 32) & 0x7FFF) * rapl_power_units,
2403 (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
2404 ((msr >> 48) & 1) ? "EN" : "DIS");
2405 }
2406
Len Brown0b2bb692015-03-26 00:50:30 -04002407 if (do_rapl & RAPL_DRAM_POWER_INFO) {
Len Brown889facb2012-11-08 00:48:57 -05002408 if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
2409 return -6;
2410
Len Brown889facb2012-11-08 00:48:57 -05002411 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
2412 cpu, msr,
2413 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2414 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2415 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
2416 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
Len Brown0b2bb692015-03-26 00:50:30 -04002417 }
2418 if (do_rapl & RAPL_DRAM) {
Len Brown889facb2012-11-08 00:48:57 -05002419 if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
2420 return -9;
2421 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
2422 cpu, msr, (msr >> 31) & 1 ? "": "UN");
2423
2424 print_power_limit_msr(cpu, msr, "DRAM Limit");
2425 }
Len Brown144b44b2013-11-09 00:30:16 -05002426 if (do_rapl & RAPL_CORE_POLICY) {
Len Brownd8af6f52015-02-10 01:56:38 -05002427 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -05002428 if (get_msr(cpu, MSR_PP0_POLICY, &msr))
2429 return -7;
2430
2431 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
Len Brown144b44b2013-11-09 00:30:16 -05002432 }
2433 }
2434 if (do_rapl & RAPL_CORES) {
Len Brownd8af6f52015-02-10 01:56:38 -05002435 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -05002436
2437 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
2438 return -9;
2439 fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
2440 cpu, msr, (msr >> 31) & 1 ? "": "UN");
2441 print_power_limit_msr(cpu, msr, "Cores Limit");
2442 }
2443 }
2444 if (do_rapl & RAPL_GFX) {
Len Brownd8af6f52015-02-10 01:56:38 -05002445 if (debug) {
Len Brown889facb2012-11-08 00:48:57 -05002446 if (get_msr(cpu, MSR_PP1_POLICY, &msr))
2447 return -8;
2448
2449 fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
2450
2451 if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
2452 return -9;
2453 fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
2454 cpu, msr, (msr >> 31) & 1 ? "": "UN");
2455 print_power_limit_msr(cpu, msr, "GFX Limit");
2456 }
2457 }
2458 return 0;
2459}
2460
Len Brownd7899442015-01-23 00:12:33 -05002461/*
2462 * SNB adds support for additional MSRs:
2463 *
2464 * MSR_PKG_C7_RESIDENCY 0x000003fa
2465 * MSR_CORE_C7_RESIDENCY 0x000003fe
2466 * MSR_PKG_C2_RESIDENCY 0x0000060d
2467 */
Len Brown103a8fe2010-10-22 23:53:03 -04002468
Len Brownd7899442015-01-23 00:12:33 -05002469int has_snb_msrs(unsigned int family, unsigned int model)
Len Brown103a8fe2010-10-22 23:53:03 -04002470{
2471 if (!genuine_intel)
2472 return 0;
2473
2474 switch (model) {
2475 case 0x2A:
2476 case 0x2D:
Len Brown650a37f2012-06-03 23:34:44 -04002477 case 0x3A: /* IVB */
Len Brown13006512012-09-26 18:11:31 -04002478 case 0x3E: /* IVB Xeon */
Len Brown70b43402013-01-08 01:26:07 -05002479 case 0x3C: /* HSW */
2480 case 0x3F: /* HSW */
2481 case 0x45: /* HSW */
Len Brown149c2312013-03-15 10:58:02 -04002482 case 0x46: /* HSW */
Len Brown4e8e863f2014-02-27 23:28:53 -05002483 case 0x3D: /* BDW */
Len Brown48a06312015-02-10 15:38:04 -05002484 case 0x47: /* BDW */
Len Brown4e8e863f2014-02-27 23:28:53 -05002485 case 0x4F: /* BDX */
2486 case 0x56: /* BDX-DE */
Len Brown0b2bb692015-03-26 00:50:30 -04002487 case 0x4E: /* SKL */
2488 case 0x5E: /* SKL */
Len Brown103a8fe2010-10-22 23:53:03 -04002489 return 1;
2490 }
2491 return 0;
2492}
2493
Len Brownd7899442015-01-23 00:12:33 -05002494/*
2495 * HSW adds support for additional MSRs:
2496 *
2497 * MSR_PKG_C8_RESIDENCY 0x00000630
2498 * MSR_PKG_C9_RESIDENCY 0x00000631
2499 * MSR_PKG_C10_RESIDENCY 0x00000632
2500 */
2501int has_hsw_msrs(unsigned int family, unsigned int model)
Kristen Carlson Accardica587102012-11-21 05:22:43 -08002502{
2503 if (!genuine_intel)
2504 return 0;
2505
2506 switch (model) {
Len Brown4e8e863f2014-02-27 23:28:53 -05002507 case 0x45: /* HSW */
2508 case 0x3D: /* BDW */
Len Brown0b2bb692015-03-26 00:50:30 -04002509 case 0x4E: /* SKL */
2510 case 0x5E: /* SKL */
Kristen Carlson Accardica587102012-11-21 05:22:43 -08002511 return 1;
2512 }
2513 return 0;
2514}
2515
Len Brown0b2bb692015-03-26 00:50:30 -04002516/*
2517 * SKL adds support for additional MSRS:
2518 *
2519 * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658
2520 * MSR_PKG_ANY_CORE_C0_RES 0x00000659
2521 * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A
2522 * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B
2523 */
2524int has_skl_msrs(unsigned int family, unsigned int model)
2525{
2526 if (!genuine_intel)
2527 return 0;
2528
2529 switch (model) {
2530 case 0x4E: /* SKL */
2531 case 0x5E: /* SKL */
2532 return 1;
2533 }
2534 return 0;
2535}
2536
2537
Kristen Carlson Accardica587102012-11-21 05:22:43 -08002538
Len Brown144b44b2013-11-09 00:30:16 -05002539int is_slm(unsigned int family, unsigned int model)
2540{
2541 if (!genuine_intel)
2542 return 0;
2543 switch (model) {
2544 case 0x37: /* BYT */
2545 case 0x4D: /* AVN */
2546 return 1;
2547 }
2548 return 0;
2549}
2550
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07002551int is_knl(unsigned int family, unsigned int model)
2552{
2553 if (!genuine_intel)
2554 return 0;
2555 switch (model) {
2556 case 0x57: /* KNL */
2557 return 1;
2558 }
2559 return 0;
2560}
2561
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +02002562unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model)
2563{
2564 if (is_knl(family, model))
2565 return 1024;
2566 return 1;
2567}
2568
Len Brown144b44b2013-11-09 00:30:16 -05002569#define SLM_BCLK_FREQS 5
2570double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
2571
2572double slm_bclk(void)
2573{
2574 unsigned long long msr = 3;
2575 unsigned int i;
2576 double freq;
2577
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04002578 if (get_msr(base_cpu, MSR_FSB_FREQ, &msr))
Len Brown144b44b2013-11-09 00:30:16 -05002579 fprintf(stderr, "SLM BCLK: unknown\n");
2580
2581 i = msr & 0xf;
2582 if (i >= SLM_BCLK_FREQS) {
2583 fprintf(stderr, "SLM BCLK[%d] invalid\n", i);
2584 msr = 3;
2585 }
2586 freq = slm_freq_table[i];
2587
2588 fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq);
2589
2590 return freq;
2591}
2592
Len Brown103a8fe2010-10-22 23:53:03 -04002593double discover_bclk(unsigned int family, unsigned int model)
2594{
Len Brownd7899442015-01-23 00:12:33 -05002595 if (has_snb_msrs(family, model))
Len Brown103a8fe2010-10-22 23:53:03 -04002596 return 100.00;
Len Brown144b44b2013-11-09 00:30:16 -05002597 else if (is_slm(family, model))
2598 return slm_bclk();
Len Brown103a8fe2010-10-22 23:53:03 -04002599 else
2600 return 133.33;
2601}
2602
Len Brown889facb2012-11-08 00:48:57 -05002603/*
2604 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
2605 * the Thermal Control Circuit (TCC) activates.
2606 * This is usually equal to tjMax.
2607 *
2608 * Older processors do not have this MSR, so there we guess,
2609 * but also allow cmdline over-ride with -T.
2610 *
2611 * Several MSR temperature values are in units of degrees-C
2612 * below this value, including the Digital Thermal Sensor (DTS),
2613 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
2614 */
2615int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2616{
2617 unsigned long long msr;
2618 unsigned int target_c_local;
2619 int cpu;
2620
2621 /* tcc_activation_temp is used only for dts or ptm */
2622 if (!(do_dts || do_ptm))
2623 return 0;
2624
2625 /* this is a per-package concept */
2626 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
2627 return 0;
2628
2629 cpu = t->cpu_id;
2630 if (cpu_migrate(cpu)) {
2631 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
2632 return -1;
2633 }
2634
2635 if (tcc_activation_temp_override != 0) {
2636 tcc_activation_temp = tcc_activation_temp_override;
2637 fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n",
2638 cpu, tcc_activation_temp);
2639 return 0;
2640 }
2641
2642 /* Temperature Target MSR is Nehalem and newer only */
Len Brownd7899442015-01-23 00:12:33 -05002643 if (!do_nhm_platform_info)
Len Brown889facb2012-11-08 00:48:57 -05002644 goto guess;
2645
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04002646 if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
Len Brown889facb2012-11-08 00:48:57 -05002647 goto guess;
2648
Jean Delvare34821242014-05-01 11:40:19 +02002649 target_c_local = (msr >> 16) & 0xFF;
Len Brown889facb2012-11-08 00:48:57 -05002650
Len Brownd8af6f52015-02-10 01:56:38 -05002651 if (debug)
Len Brown889facb2012-11-08 00:48:57 -05002652 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
2653 cpu, msr, target_c_local);
2654
Jean Delvare34821242014-05-01 11:40:19 +02002655 if (!target_c_local)
Len Brown889facb2012-11-08 00:48:57 -05002656 goto guess;
2657
2658 tcc_activation_temp = target_c_local;
2659
2660 return 0;
2661
2662guess:
2663 tcc_activation_temp = TJMAX_DEFAULT;
2664 fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
2665 cpu, tcc_activation_temp);
2666
2667 return 0;
2668}
Len Brownfcd17212015-03-23 20:29:09 -04002669void process_cpuid()
Len Brown103a8fe2010-10-22 23:53:03 -04002670{
2671 unsigned int eax, ebx, ecx, edx, max_level;
2672 unsigned int fms, family, model, stepping;
2673
2674 eax = ebx = ecx = edx = 0;
2675
Josh Triplett2b928652013-08-20 17:20:14 -07002676 __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -04002677
2678 if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
2679 genuine_intel = 1;
2680
Len Brownd8af6f52015-02-10 01:56:38 -05002681 if (debug)
Len Brown889facb2012-11-08 00:48:57 -05002682 fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
Len Brown103a8fe2010-10-22 23:53:03 -04002683 (char *)&ebx, (char *)&edx, (char *)&ecx);
2684
Josh Triplett2b928652013-08-20 17:20:14 -07002685 __get_cpuid(1, &fms, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -04002686 family = (fms >> 8) & 0xf;
2687 model = (fms >> 4) & 0xf;
2688 stepping = fms & 0xf;
2689 if (family == 6 || family == 0xf)
2690 model += ((fms >> 16) & 0xf) << 4;
2691
Len Brownd8af6f52015-02-10 01:56:38 -05002692 if (debug)
Len Brown103a8fe2010-10-22 23:53:03 -04002693 fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
2694 max_level, family, model, stepping, family, model, stepping);
2695
Josh Triplettb2c95d92013-08-20 17:20:18 -07002696 if (!(edx & (1 << 5)))
2697 errx(1, "CPUID: no MSR");
Len Brown103a8fe2010-10-22 23:53:03 -04002698
2699 /*
2700 * check max extended function levels of CPUID.
2701 * This is needed to check for invariant TSC.
2702 * This check is valid for both Intel and AMD.
2703 */
2704 ebx = ecx = edx = 0;
Josh Triplett2b928652013-08-20 17:20:14 -07002705 __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx);
Len Brown103a8fe2010-10-22 23:53:03 -04002706
Len Brownd7899442015-01-23 00:12:33 -05002707 if (max_level >= 0x80000007) {
Len Brown103a8fe2010-10-22 23:53:03 -04002708
Len Brownd7899442015-01-23 00:12:33 -05002709 /*
2710 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
2711 * this check is valid for both Intel and AMD
2712 */
2713 __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
2714 has_invariant_tsc = edx & (1 << 8);
2715 }
Len Brown103a8fe2010-10-22 23:53:03 -04002716
2717 /*
2718 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
2719 * this check is valid for both Intel and AMD
2720 */
2721
Josh Triplett2b928652013-08-20 17:20:14 -07002722 __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
Thomas Renninger8209e052011-01-21 15:11:19 +01002723 has_aperf = ecx & (1 << 0);
Len Brown889facb2012-11-08 00:48:57 -05002724 do_dts = eax & (1 << 0);
2725 do_ptm = eax & (1 << 6);
2726 has_epb = ecx & (1 << 3);
2727
Len Brownd8af6f52015-02-10 01:56:38 -05002728 if (debug)
Len Browna7296172015-01-23 01:33:58 -05002729 fprintf(stderr, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sEPB\n",
2730 has_aperf ? "" : "No ",
2731 do_dts ? "" : "No ",
2732 do_ptm ? "" : "No ",
2733 has_epb ? "" : "No ");
Len Brown103a8fe2010-10-22 23:53:03 -04002734
Len Brown8a5bdf42015-04-01 21:02:57 -04002735 if (max_level > 0x15) {
2736 unsigned int eax_crystal;
2737 unsigned int ebx_tsc;
2738
2739 /*
2740 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz
2741 */
2742 eax_crystal = ebx_tsc = crystal_hz = edx = 0;
2743 __get_cpuid(0x15, &eax_crystal, &ebx_tsc, &crystal_hz, &edx);
2744
2745 if (ebx_tsc != 0) {
2746
2747 if (debug && (ebx != 0))
2748 fprintf(stderr, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n",
2749 eax_crystal, ebx_tsc, crystal_hz);
2750
2751 if (crystal_hz == 0)
2752 switch(model) {
2753 case 0x4E: /* SKL */
2754 case 0x5E: /* SKL */
2755 crystal_hz = 24000000; /* 24 MHz */
2756 break;
2757 default:
2758 crystal_hz = 0;
2759 }
2760
2761 if (crystal_hz) {
2762 tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal;
2763 if (debug)
2764 fprintf(stderr, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
2765 tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal);
2766 }
2767 }
2768 }
2769
Hubert Chrzaniukb2b34df2015-09-14 13:31:00 +02002770 if (has_aperf)
2771 aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model);
2772
Len Brownee7e38e2015-02-09 23:39:45 -05002773 do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model);
Len Brownd7899442015-01-23 00:12:33 -05002774 do_snb_cstates = has_snb_msrs(family, model);
Len Brownee7e38e2015-02-09 23:39:45 -05002775 do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2);
2776 do_pc3 = (pkg_cstate_limit >= PCL__3);
2777 do_pc6 = (pkg_cstate_limit >= PCL__6);
2778 do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7);
Len Brownd7899442015-01-23 00:12:33 -05002779 do_c8_c9_c10 = has_hsw_msrs(family, model);
Len Brown0b2bb692015-03-26 00:50:30 -04002780 do_skl_residency = has_skl_msrs(family, model);
Len Brown144b44b2013-11-09 00:30:16 -05002781 do_slm_cstates = is_slm(family, model);
Dasaratharaman Chandramoulifb5d4322015-05-20 09:49:34 -07002782 do_knl_cstates = is_knl(family, model);
Len Brown103a8fe2010-10-22 23:53:03 -04002783 bclk = discover_bclk(family, model);
2784
Len Brown889facb2012-11-08 00:48:57 -05002785 rapl_probe(family, model);
Len Brown3a9a9412014-08-15 02:39:52 -04002786 perf_limit_reasons_probe(family, model);
Len Brown889facb2012-11-08 00:48:57 -05002787
Len Brownfcd17212015-03-23 20:29:09 -04002788 if (debug)
2789 dump_cstate_pstate_config_info();
2790
Len Browna2b7b742015-09-26 00:12:38 -04002791 if (has_skl_msrs(family, model))
2792 calculate_tsc_tweak();
2793
Len Brown889facb2012-11-08 00:48:57 -05002794 return;
Len Brown103a8fe2010-10-22 23:53:03 -04002795}
2796
Len Brownd8af6f52015-02-10 01:56:38 -05002797void help()
Len Brown103a8fe2010-10-22 23:53:03 -04002798{
Len Brownd8af6f52015-02-10 01:56:38 -05002799 fprintf(stderr,
2800 "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
2801 "\n"
2802 "Turbostat forks the specified COMMAND and prints statistics\n"
2803 "when COMMAND completes.\n"
2804 "If no COMMAND is specified, turbostat wakes every 5-seconds\n"
2805 "to print statistics, until interrupted.\n"
2806 "--debug run in \"debug\" mode\n"
2807 "--interval sec Override default 5-second measurement interval\n"
2808 "--help print this help message\n"
2809 "--counter msr print 32-bit counter at address \"msr\"\n"
2810 "--Counter msr print 64-bit Counter at address \"msr\"\n"
2811 "--msr msr print 32-bit value at address \"msr\"\n"
2812 "--MSR msr print 64-bit Value at address \"msr\"\n"
2813 "--version print version information\n"
2814 "\n"
2815 "For more help, run \"man turbostat\"\n");
Len Brown103a8fe2010-10-22 23:53:03 -04002816}
2817
2818
2819/*
2820 * in /dev/cpu/ return success for names that are numbers
2821 * ie. filter out ".", "..", "microcode".
2822 */
2823int dir_filter(const struct dirent *dirp)
2824{
2825 if (isdigit(dirp->d_name[0]))
2826 return 1;
2827 else
2828 return 0;
2829}
2830
2831int open_dev_cpu_msr(int dummy1)
2832{
2833 return 0;
2834}
2835
Len Brownc98d5d92012-06-04 00:56:40 -04002836void topology_probe()
2837{
2838 int i;
2839 int max_core_id = 0;
2840 int max_package_id = 0;
2841 int max_siblings = 0;
2842 struct cpu_topology {
2843 int core_id;
2844 int physical_package_id;
2845 } *cpus;
2846
2847 /* Initialize num_cpus, max_cpu_num */
2848 topo.num_cpus = 0;
2849 topo.max_cpu_num = 0;
2850 for_all_proc_cpus(count_cpus);
2851 if (!summary_only && topo.num_cpus > 1)
2852 show_cpu = 1;
2853
Len Brownd8af6f52015-02-10 01:56:38 -05002854 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002855 fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
2856
2857 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
Josh Triplettb2c95d92013-08-20 17:20:18 -07002858 if (cpus == NULL)
2859 err(1, "calloc cpus");
Len Brownc98d5d92012-06-04 00:56:40 -04002860
2861 /*
2862 * Allocate and initialize cpu_present_set
2863 */
2864 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
Josh Triplettb2c95d92013-08-20 17:20:18 -07002865 if (cpu_present_set == NULL)
2866 err(3, "CPU_ALLOC");
Len Brownc98d5d92012-06-04 00:56:40 -04002867 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2868 CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
2869 for_all_proc_cpus(mark_cpu_present);
2870
2871 /*
2872 * Allocate and initialize cpu_affinity_set
2873 */
2874 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
Josh Triplettb2c95d92013-08-20 17:20:18 -07002875 if (cpu_affinity_set == NULL)
2876 err(3, "CPU_ALLOC");
Len Brownc98d5d92012-06-04 00:56:40 -04002877 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2878 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
2879
2880
2881 /*
2882 * For online cpus
2883 * find max_core_id, max_package_id
2884 */
2885 for (i = 0; i <= topo.max_cpu_num; ++i) {
2886 int siblings;
2887
2888 if (cpu_is_not_present(i)) {
Len Brownd8af6f52015-02-10 01:56:38 -05002889 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002890 fprintf(stderr, "cpu%d NOT PRESENT\n", i);
2891 continue;
2892 }
2893 cpus[i].core_id = get_core_id(i);
2894 if (cpus[i].core_id > max_core_id)
2895 max_core_id = cpus[i].core_id;
2896
2897 cpus[i].physical_package_id = get_physical_package_id(i);
2898 if (cpus[i].physical_package_id > max_package_id)
2899 max_package_id = cpus[i].physical_package_id;
2900
2901 siblings = get_num_ht_siblings(i);
2902 if (siblings > max_siblings)
2903 max_siblings = siblings;
Len Brownd8af6f52015-02-10 01:56:38 -05002904 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002905 fprintf(stderr, "cpu %d pkg %d core %d\n",
2906 i, cpus[i].physical_package_id, cpus[i].core_id);
2907 }
2908 topo.num_cores_per_pkg = max_core_id + 1;
Len Brownd8af6f52015-02-10 01:56:38 -05002909 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002910 fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n",
2911 max_core_id, topo.num_cores_per_pkg);
Len Brown1cc21f72015-02-23 00:34:57 -05002912 if (debug && !summary_only && topo.num_cores_per_pkg > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002913 show_core = 1;
2914
2915 topo.num_packages = max_package_id + 1;
Len Brownd8af6f52015-02-10 01:56:38 -05002916 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002917 fprintf(stderr, "max_package_id %d, sizing for %d packages\n",
2918 max_package_id, topo.num_packages);
Len Brown1cc21f72015-02-23 00:34:57 -05002919 if (debug && !summary_only && topo.num_packages > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002920 show_pkg = 1;
2921
2922 topo.num_threads_per_core = max_siblings;
Len Brownd8af6f52015-02-10 01:56:38 -05002923 if (debug > 1)
Len Brownc98d5d92012-06-04 00:56:40 -04002924 fprintf(stderr, "max_siblings %d\n", max_siblings);
2925
2926 free(cpus);
2927}
2928
2929void
2930allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
2931{
2932 int i;
2933
2934 *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
2935 topo.num_packages, sizeof(struct thread_data));
2936 if (*t == NULL)
2937 goto error;
2938
2939 for (i = 0; i < topo.num_threads_per_core *
2940 topo.num_cores_per_pkg * topo.num_packages; i++)
2941 (*t)[i].cpu_id = -1;
2942
2943 *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
2944 sizeof(struct core_data));
2945 if (*c == NULL)
2946 goto error;
2947
2948 for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
2949 (*c)[i].core_id = -1;
2950
2951 *p = calloc(topo.num_packages, sizeof(struct pkg_data));
2952 if (*p == NULL)
2953 goto error;
2954
2955 for (i = 0; i < topo.num_packages; i++)
2956 (*p)[i].package_id = i;
2957
2958 return;
2959error:
Josh Triplettb2c95d92013-08-20 17:20:18 -07002960 err(1, "calloc counters");
Len Brownc98d5d92012-06-04 00:56:40 -04002961}
2962/*
2963 * init_counter()
2964 *
2965 * set cpu_id, core_num, pkg_num
2966 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
2967 *
2968 * increment topo.num_cores when 1st core in pkg seen
2969 */
2970void init_counter(struct thread_data *thread_base, struct core_data *core_base,
2971 struct pkg_data *pkg_base, int thread_num, int core_num,
2972 int pkg_num, int cpu_id)
2973{
2974 struct thread_data *t;
2975 struct core_data *c;
2976 struct pkg_data *p;
2977
2978 t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
2979 c = GET_CORE(core_base, core_num, pkg_num);
2980 p = GET_PKG(pkg_base, pkg_num);
2981
2982 t->cpu_id = cpu_id;
2983 if (thread_num == 0) {
2984 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
2985 if (cpu_is_first_core_in_package(cpu_id))
2986 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
2987 }
2988
2989 c->core_id = core_num;
2990 p->package_id = pkg_num;
2991}
2992
2993
2994int initialize_counters(int cpu_id)
2995{
2996 int my_thread_id, my_core_id, my_package_id;
2997
2998 my_package_id = get_physical_package_id(cpu_id);
2999 my_core_id = get_core_id(cpu_id);
Dasaratharaman Chandramoulie275b382015-04-15 10:09:50 -07003000 my_thread_id = get_cpu_position_in_core(cpu_id);
3001 if (!my_thread_id)
Len Brownc98d5d92012-06-04 00:56:40 -04003002 topo.num_cores++;
Len Brownc98d5d92012-06-04 00:56:40 -04003003
3004 init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
3005 init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
3006 return 0;
3007}
3008
3009void allocate_output_buffer()
3010{
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +02003011 output_buffer = calloc(1, (1 + topo.num_cpus) * 1024);
Len Brownc98d5d92012-06-04 00:56:40 -04003012 outp = output_buffer;
Josh Triplettb2c95d92013-08-20 17:20:18 -07003013 if (outp == NULL)
3014 err(-1, "calloc output buffer");
Len Brownc98d5d92012-06-04 00:56:40 -04003015}
3016
3017void setup_all_buffers(void)
3018{
3019 topology_probe();
3020 allocate_counters(&thread_even, &core_even, &package_even);
3021 allocate_counters(&thread_odd, &core_odd, &package_odd);
3022 allocate_output_buffer();
3023 for_all_proc_cpus(initialize_counters);
3024}
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +02003025
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04003026void set_base_cpu(void)
3027{
3028 base_cpu = sched_getcpu();
3029 if (base_cpu < 0)
3030 err(-ENODEV, "No valid cpus found");
3031
3032 if (debug > 1)
3033 fprintf(stderr, "base_cpu = %d\n", base_cpu);
3034}
3035
Len Brown103a8fe2010-10-22 23:53:03 -04003036void turbostat_init()
3037{
Prarit Bhargava7ce7d5d2015-05-25 08:34:28 -04003038 setup_all_buffers();
3039 set_base_cpu();
Len Brown103a8fe2010-10-22 23:53:03 -04003040 check_dev_msr();
Len Brown98481e72014-08-15 00:36:50 -04003041 check_permissions();
Len Brownfcd17212015-03-23 20:29:09 -04003042 process_cpuid();
Len Brown103a8fe2010-10-22 23:53:03 -04003043
Len Brown103a8fe2010-10-22 23:53:03 -04003044
Len Brownd8af6f52015-02-10 01:56:38 -05003045 if (debug)
Len Brown889facb2012-11-08 00:48:57 -05003046 for_all_cpus(print_epb, ODD_COUNTERS);
3047
Len Brownd8af6f52015-02-10 01:56:38 -05003048 if (debug)
Len Brown3a9a9412014-08-15 02:39:52 -04003049 for_all_cpus(print_perf_limit, ODD_COUNTERS);
3050
Len Brownd8af6f52015-02-10 01:56:38 -05003051 if (debug)
Len Brown889facb2012-11-08 00:48:57 -05003052 for_all_cpus(print_rapl, ODD_COUNTERS);
3053
3054 for_all_cpus(set_temperature_target, ODD_COUNTERS);
3055
Len Brownd8af6f52015-02-10 01:56:38 -05003056 if (debug)
Len Brown889facb2012-11-08 00:48:57 -05003057 for_all_cpus(print_thermal, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -04003058}
3059
3060int fork_it(char **argv)
3061{
Len Brown103a8fe2010-10-22 23:53:03 -04003062 pid_t child_pid;
Len Brownd91bb172012-11-01 00:08:19 -04003063 int status;
Len Brownd15cf7c2012-06-03 23:24:00 -04003064
Len Brownd91bb172012-11-01 00:08:19 -04003065 status = for_all_cpus(get_counters, EVEN_COUNTERS);
3066 if (status)
3067 exit(status);
Len Brownc98d5d92012-06-04 00:56:40 -04003068 /* clear affinity side-effect of get_counters() */
3069 sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
Len Brown103a8fe2010-10-22 23:53:03 -04003070 gettimeofday(&tv_even, (struct timezone *)NULL);
3071
3072 child_pid = fork();
3073 if (!child_pid) {
3074 /* child */
3075 execvp(argv[0], argv);
3076 } else {
Len Brown103a8fe2010-10-22 23:53:03 -04003077
3078 /* parent */
Josh Triplettb2c95d92013-08-20 17:20:18 -07003079 if (child_pid == -1)
3080 err(1, "fork");
Len Brown103a8fe2010-10-22 23:53:03 -04003081
3082 signal(SIGINT, SIG_IGN);
3083 signal(SIGQUIT, SIG_IGN);
Josh Triplettb2c95d92013-08-20 17:20:18 -07003084 if (waitpid(child_pid, &status, 0) == -1)
3085 err(status, "waitpid");
Len Brown103a8fe2010-10-22 23:53:03 -04003086 }
Len Brownc98d5d92012-06-04 00:56:40 -04003087 /*
3088 * n.b. fork_it() does not check for errors from for_all_cpus()
3089 * because re-starting is problematic when forking
3090 */
3091 for_all_cpus(get_counters, ODD_COUNTERS);
Len Brown103a8fe2010-10-22 23:53:03 -04003092 gettimeofday(&tv_odd, (struct timezone *)NULL);
Len Brown103a8fe2010-10-22 23:53:03 -04003093 timersub(&tv_odd, &tv_even, &tv_delta);
Len Brownc98d5d92012-06-04 00:56:40 -04003094 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
3095 compute_average(EVEN_COUNTERS);
3096 format_all_counters(EVEN_COUNTERS);
3097 flush_stderr();
Len Brown103a8fe2010-10-22 23:53:03 -04003098
Justin P. Mattock6eab04a2011-04-08 19:49:08 -07003099 fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
Len Brown103a8fe2010-10-22 23:53:03 -04003100
Len Brownd91bb172012-11-01 00:08:19 -04003101 return status;
Len Brown103a8fe2010-10-22 23:53:03 -04003102}
3103
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +02003104int get_and_dump_counters(void)
3105{
3106 int status;
3107
3108 status = for_all_cpus(get_counters, ODD_COUNTERS);
3109 if (status)
3110 return status;
3111
3112 status = for_all_cpus(dump_counters, ODD_COUNTERS);
3113 if (status)
3114 return status;
3115
3116 flush_stdout();
3117
3118 return status;
3119}
3120
Len Brownd8af6f52015-02-10 01:56:38 -05003121void print_version() {
Len Brownaf71b982015-09-26 09:49:55 -04003122 fprintf(stderr, "turbostat version 4.8 26-Sep, 2015"
Len Brownd8af6f52015-02-10 01:56:38 -05003123 " - Len Brown <lenb@kernel.org>\n");
3124}
3125
Len Brown103a8fe2010-10-22 23:53:03 -04003126void cmdline(int argc, char **argv)
3127{
3128 int opt;
Len Brownd8af6f52015-02-10 01:56:38 -05003129 int option_index = 0;
3130 static struct option long_options[] = {
3131 {"Counter", required_argument, 0, 'C'},
3132 {"counter", required_argument, 0, 'c'},
3133 {"Dump", no_argument, 0, 'D'},
3134 {"debug", no_argument, 0, 'd'},
3135 {"interval", required_argument, 0, 'i'},
3136 {"help", no_argument, 0, 'h'},
3137 {"Joules", no_argument, 0, 'J'},
3138 {"MSR", required_argument, 0, 'M'},
3139 {"msr", required_argument, 0, 'm'},
3140 {"Package", no_argument, 0, 'p'},
3141 {"processor", no_argument, 0, 'p'},
3142 {"Summary", no_argument, 0, 'S'},
3143 {"TCC", required_argument, 0, 'T'},
3144 {"version", no_argument, 0, 'v' },
3145 {0, 0, 0, 0 }
3146 };
Len Brown103a8fe2010-10-22 23:53:03 -04003147
3148 progname = argv[0];
3149
Len Browna01e72f2015-07-15 21:49:41 -04003150 while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:PpST:v",
Len Brownd8af6f52015-02-10 01:56:38 -05003151 long_options, &option_index)) != -1) {
Len Brown103a8fe2010-10-22 23:53:03 -04003152 switch (opt) {
Len Brownd8af6f52015-02-10 01:56:38 -05003153 case 'C':
3154 sscanf(optarg, "%x", &extra_delta_offset64);
Len Brown103a8fe2010-10-22 23:53:03 -04003155 break;
Len Brownf9240812012-10-06 15:26:31 -04003156 case 'c':
Len Brown8e180f32012-09-22 01:25:08 -04003157 sscanf(optarg, "%x", &extra_delta_offset32);
3158 break;
Len Brownd8af6f52015-02-10 01:56:38 -05003159 case 'D':
3160 dump_only++;
Len Brown8e180f32012-09-22 01:25:08 -04003161 break;
Len Brownd8af6f52015-02-10 01:56:38 -05003162 case 'd':
3163 debug++;
Len Brown2f32edf2012-09-21 23:45:46 -04003164 break;
Len Brownd8af6f52015-02-10 01:56:38 -05003165 case 'h':
3166 default:
3167 help();
3168 exit(1);
3169 case 'i':
3170 interval_sec = atoi(optarg);
Len Brown889facb2012-11-08 00:48:57 -05003171 break;
Dirk Brandewie5c56be92013-12-16 10:23:41 -08003172 case 'J':
3173 rapl_joules++;
3174 break;
Len Brownd8af6f52015-02-10 01:56:38 -05003175 case 'M':
3176 sscanf(optarg, "%x", &extra_msr_offset64);
3177 break;
3178 case 'm':
3179 sscanf(optarg, "%x", &extra_msr_offset32);
3180 break;
3181 case 'P':
3182 show_pkg_only++;
3183 break;
3184 case 'p':
3185 show_core_only++;
3186 break;
3187 case 'S':
3188 summary_only++;
3189 break;
3190 case 'T':
3191 tcc_activation_temp_override = atoi(optarg);
3192 break;
3193 case 'v':
3194 print_version();
3195 exit(0);
3196 break;
Len Brown103a8fe2010-10-22 23:53:03 -04003197 }
3198 }
3199}
3200
3201int main(int argc, char **argv)
3202{
3203 cmdline(argc, argv);
3204
Len Brownd8af6f52015-02-10 01:56:38 -05003205 if (debug)
3206 print_version();
Len Brown103a8fe2010-10-22 23:53:03 -04003207
3208 turbostat_init();
3209
Andy Shevchenko3b4d5c72014-01-23 17:13:15 +02003210 /* dump counters and exit */
3211 if (dump_only)
3212 return get_and_dump_counters();
3213
Len Brown103a8fe2010-10-22 23:53:03 -04003214 /*
3215 * if any params left, it must be a command to fork
3216 */
3217 if (argc - optind)
3218 return fork_it(argv + optind);
3219 else
3220 turbostat_loop();
3221
3222 return 0;
3223}