Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 1 | #include <linux/kernel.h> |
Robert Richter | 4e31902 | 2013-06-11 17:29:18 +0200 | [diff] [blame] | 2 | #include <traceevent/event-parse.h> |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 3 | |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 4 | #include <byteswap.h> |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 5 | #include <unistd.h> |
| 6 | #include <sys/types.h> |
Arnaldo Carvalho de Melo | a41794c | 2010-05-18 18:29:23 -0300 | [diff] [blame] | 7 | #include <sys/mman.h> |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 8 | |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 9 | #include "evlist.h" |
| 10 | #include "evsel.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 11 | #include "session.h" |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 12 | #include "tool.h" |
Arnaldo Carvalho de Melo | a328626 | 2009-12-14 14:22:59 -0200 | [diff] [blame] | 13 | #include "sort.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 14 | #include "util.h" |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 15 | #include "cpumap.h" |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 16 | #include "perf_regs.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 17 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 18 | static int perf_session__open(struct perf_session *session) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 19 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 20 | struct perf_data_file *file = session->file; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 21 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 22 | if (perf_session__read_header(session) < 0) { |
Stephane Eranian | 69996df | 2012-02-09 23:21:06 +0100 | [diff] [blame] | 23 | pr_err("incompatible file format (rerun with -v to learn more)"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 24 | return -1; |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 25 | } |
| 26 | |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 27 | if (perf_data_file__is_pipe(file)) |
| 28 | return 0; |
| 29 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 30 | if (!perf_evlist__valid_sample_type(session->evlist)) { |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 31 | pr_err("non matching sample_type"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 32 | return -1; |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 33 | } |
| 34 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 35 | if (!perf_evlist__valid_sample_id_all(session->evlist)) { |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 36 | pr_err("non matching sample_id_all"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 37 | return -1; |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 38 | } |
| 39 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 40 | if (!perf_evlist__valid_read_format(session->evlist)) { |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 41 | pr_err("non matching read_format"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 42 | return -1; |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 43 | } |
| 44 | |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 45 | return 0; |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 46 | } |
| 47 | |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 48 | void perf_session__set_id_hdr_size(struct perf_session *session) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 49 | { |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 50 | u16 id_hdr_size = perf_evlist__id_hdr_size(session->evlist); |
| 51 | |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 52 | machines__set_id_hdr_size(&session->machines, id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 53 | } |
| 54 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 55 | int perf_session__create_kernel_maps(struct perf_session *session) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 56 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 57 | int ret = machine__create_kernel_maps(&session->machines.host); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 58 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 59 | if (ret >= 0) |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 60 | ret = machines__create_guest_kernel_maps(&session->machines); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 61 | return ret; |
| 62 | } |
| 63 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 64 | static void perf_session__destroy_kernel_maps(struct perf_session *session) |
Arnaldo Carvalho de Melo | 076c6e45 | 2010-08-02 18:18:28 -0300 | [diff] [blame] | 65 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 66 | machines__destroy_kernel_maps(&session->machines); |
Arnaldo Carvalho de Melo | 076c6e45 | 2010-08-02 18:18:28 -0300 | [diff] [blame] | 67 | } |
| 68 | |
Jiri Olsa | f5fc1412 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 69 | struct perf_session *perf_session__new(struct perf_data_file *file, |
| 70 | bool repipe, struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 71 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 72 | struct perf_session *session = zalloc(sizeof(*session)); |
Robert Richter | efad141 | 2011-12-07 10:02:54 +0100 | [diff] [blame] | 73 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 74 | if (!session) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 75 | goto out; |
| 76 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 77 | session->repipe = repipe; |
| 78 | INIT_LIST_HEAD(&session->ordered_samples.samples); |
| 79 | INIT_LIST_HEAD(&session->ordered_samples.sample_cache); |
| 80 | INIT_LIST_HEAD(&session->ordered_samples.to_free); |
| 81 | machines__init(&session->machines); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 82 | |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 83 | if (file) { |
| 84 | if (perf_data_file__open(file)) |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 85 | goto out_delete; |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 86 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 87 | session->file = file; |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 88 | |
| 89 | if (perf_data_file__is_read(file)) { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 90 | if (perf_session__open(session) < 0) |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 91 | goto out_close; |
| 92 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 93 | perf_session__set_id_hdr_size(session); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 94 | } |
| 95 | } |
| 96 | |
| 97 | if (!file || perf_data_file__is_write(file)) { |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 98 | /* |
| 99 | * In O_RDONLY mode this will be performed when reading the |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 100 | * kernel MMAP event, in perf_event__process_mmap(). |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 101 | */ |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 102 | if (perf_session__create_kernel_maps(session) < 0) |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 103 | goto out_delete; |
| 104 | } |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 105 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 106 | if (tool && tool->ordering_requires_timestamps && |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame^] | 107 | tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) { |
Ian Munsie | 21ef97f | 2010-12-10 14:09:16 +1100 | [diff] [blame] | 108 | dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n"); |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame^] | 109 | tool->ordered_events = false; |
Ian Munsie | 21ef97f | 2010-12-10 14:09:16 +1100 | [diff] [blame] | 110 | } |
| 111 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 112 | return session; |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 113 | |
| 114 | out_close: |
| 115 | perf_data_file__close(file); |
| 116 | out_delete: |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 117 | perf_session__delete(session); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 118 | out: |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 119 | return NULL; |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 120 | } |
| 121 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 122 | static void perf_session__delete_dead_threads(struct perf_session *session) |
| 123 | { |
Arnaldo Carvalho de Melo | 876650e6 | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 124 | machine__delete_dead_threads(&session->machines.host); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 125 | } |
| 126 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 127 | static void perf_session__delete_threads(struct perf_session *session) |
| 128 | { |
Arnaldo Carvalho de Melo | 876650e6 | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 129 | machine__delete_threads(&session->machines.host); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 130 | } |
| 131 | |
Namhyung Kim | 03cd209 | 2012-11-21 13:43:19 +0900 | [diff] [blame] | 132 | static void perf_session_env__delete(struct perf_session_env *env) |
| 133 | { |
Arnaldo Carvalho de Melo | 74cf249 | 2013-12-27 16:55:14 -0300 | [diff] [blame] | 134 | zfree(&env->hostname); |
| 135 | zfree(&env->os_release); |
| 136 | zfree(&env->version); |
| 137 | zfree(&env->arch); |
| 138 | zfree(&env->cpu_desc); |
| 139 | zfree(&env->cpuid); |
Namhyung Kim | 03cd209 | 2012-11-21 13:43:19 +0900 | [diff] [blame] | 140 | |
Arnaldo Carvalho de Melo | 74cf249 | 2013-12-27 16:55:14 -0300 | [diff] [blame] | 141 | zfree(&env->cmdline); |
| 142 | zfree(&env->sibling_cores); |
| 143 | zfree(&env->sibling_threads); |
| 144 | zfree(&env->numa_nodes); |
| 145 | zfree(&env->pmu_mappings); |
Namhyung Kim | 03cd209 | 2012-11-21 13:43:19 +0900 | [diff] [blame] | 146 | } |
| 147 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 148 | void perf_session__delete(struct perf_session *session) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 149 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 150 | perf_session__destroy_kernel_maps(session); |
| 151 | perf_session__delete_dead_threads(session); |
| 152 | perf_session__delete_threads(session); |
| 153 | perf_session_env__delete(&session->header.env); |
| 154 | machines__exit(&session->machines); |
| 155 | if (session->file) |
| 156 | perf_data_file__close(session->file); |
| 157 | free(session); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 158 | } |
Arnaldo Carvalho de Melo | a328626 | 2009-12-14 14:22:59 -0200 | [diff] [blame] | 159 | |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 160 | static int process_event_synth_tracing_data_stub(struct perf_tool *tool |
| 161 | __maybe_unused, |
| 162 | union perf_event *event |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 163 | __maybe_unused, |
| 164 | struct perf_session *session |
| 165 | __maybe_unused) |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 166 | { |
| 167 | dump_printf(": unhandled!\n"); |
| 168 | return 0; |
| 169 | } |
| 170 | |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 171 | static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, |
| 172 | union perf_event *event __maybe_unused, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 173 | struct perf_evlist **pevlist |
| 174 | __maybe_unused) |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 175 | { |
| 176 | dump_printf(": unhandled!\n"); |
| 177 | return 0; |
| 178 | } |
| 179 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 180 | static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, |
| 181 | union perf_event *event __maybe_unused, |
| 182 | struct perf_sample *sample __maybe_unused, |
| 183 | struct perf_evsel *evsel __maybe_unused, |
| 184 | struct machine *machine __maybe_unused) |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 185 | { |
| 186 | dump_printf(": unhandled!\n"); |
| 187 | return 0; |
| 188 | } |
| 189 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 190 | static int process_event_stub(struct perf_tool *tool __maybe_unused, |
| 191 | union perf_event *event __maybe_unused, |
| 192 | struct perf_sample *sample __maybe_unused, |
| 193 | struct machine *machine __maybe_unused) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 194 | { |
| 195 | dump_printf(": unhandled!\n"); |
| 196 | return 0; |
| 197 | } |
| 198 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 199 | static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, |
| 200 | union perf_event *event __maybe_unused, |
| 201 | struct perf_session *perf_session |
| 202 | __maybe_unused) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 203 | { |
| 204 | dump_printf(": unhandled!\n"); |
| 205 | return 0; |
| 206 | } |
| 207 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 208 | static int process_finished_round(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 209 | union perf_event *event, |
| 210 | struct perf_session *session); |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 211 | |
David Ahern | 9c50140 | 2013-08-02 14:05:41 -0600 | [diff] [blame] | 212 | void perf_tool__fill_defaults(struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 213 | { |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 214 | if (tool->sample == NULL) |
| 215 | tool->sample = process_event_sample_stub; |
| 216 | if (tool->mmap == NULL) |
| 217 | tool->mmap = process_event_stub; |
David Ahern | 6adb0b0 | 2013-09-22 19:44:59 -0600 | [diff] [blame] | 218 | if (tool->mmap2 == NULL) |
| 219 | tool->mmap2 = process_event_stub; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 220 | if (tool->comm == NULL) |
| 221 | tool->comm = process_event_stub; |
| 222 | if (tool->fork == NULL) |
| 223 | tool->fork = process_event_stub; |
| 224 | if (tool->exit == NULL) |
| 225 | tool->exit = process_event_stub; |
| 226 | if (tool->lost == NULL) |
| 227 | tool->lost = perf_event__process_lost; |
| 228 | if (tool->read == NULL) |
| 229 | tool->read = process_event_sample_stub; |
| 230 | if (tool->throttle == NULL) |
| 231 | tool->throttle = process_event_stub; |
| 232 | if (tool->unthrottle == NULL) |
| 233 | tool->unthrottle = process_event_stub; |
| 234 | if (tool->attr == NULL) |
| 235 | tool->attr = process_event_synth_attr_stub; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 236 | if (tool->tracing_data == NULL) |
| 237 | tool->tracing_data = process_event_synth_tracing_data_stub; |
| 238 | if (tool->build_id == NULL) |
| 239 | tool->build_id = process_finished_round_stub; |
| 240 | if (tool->finished_round == NULL) { |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame^] | 241 | if (tool->ordered_events) |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 242 | tool->finished_round = process_finished_round; |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 243 | else |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 244 | tool->finished_round = process_finished_round_stub; |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 245 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 246 | } |
David Ahern | 80c0120 | 2012-06-08 11:47:51 -0300 | [diff] [blame] | 247 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 248 | static void swap_sample_id_all(union perf_event *event, void *data) |
| 249 | { |
| 250 | void *end = (void *) event + event->header.size; |
| 251 | int size = end - data; |
| 252 | |
| 253 | BUG_ON(size % sizeof(u64)); |
| 254 | mem_bswap_64(data, size); |
| 255 | } |
| 256 | |
| 257 | static void perf_event__all64_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 258 | bool sample_id_all __maybe_unused) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 259 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 260 | struct perf_event_header *hdr = &event->header; |
| 261 | mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 262 | } |
| 263 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 264 | static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 265 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 266 | event->comm.pid = bswap_32(event->comm.pid); |
| 267 | event->comm.tid = bswap_32(event->comm.tid); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 268 | |
| 269 | if (sample_id_all) { |
| 270 | void *data = &event->comm.comm; |
| 271 | |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 272 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 273 | swap_sample_id_all(event, data); |
| 274 | } |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 275 | } |
| 276 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 277 | static void perf_event__mmap_swap(union perf_event *event, |
| 278 | bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 279 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 280 | event->mmap.pid = bswap_32(event->mmap.pid); |
| 281 | event->mmap.tid = bswap_32(event->mmap.tid); |
| 282 | event->mmap.start = bswap_64(event->mmap.start); |
| 283 | event->mmap.len = bswap_64(event->mmap.len); |
| 284 | event->mmap.pgoff = bswap_64(event->mmap.pgoff); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 285 | |
| 286 | if (sample_id_all) { |
| 287 | void *data = &event->mmap.filename; |
| 288 | |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 289 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 290 | swap_sample_id_all(event, data); |
| 291 | } |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 292 | } |
| 293 | |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 294 | static void perf_event__mmap2_swap(union perf_event *event, |
| 295 | bool sample_id_all) |
| 296 | { |
| 297 | event->mmap2.pid = bswap_32(event->mmap2.pid); |
| 298 | event->mmap2.tid = bswap_32(event->mmap2.tid); |
| 299 | event->mmap2.start = bswap_64(event->mmap2.start); |
| 300 | event->mmap2.len = bswap_64(event->mmap2.len); |
| 301 | event->mmap2.pgoff = bswap_64(event->mmap2.pgoff); |
| 302 | event->mmap2.maj = bswap_32(event->mmap2.maj); |
| 303 | event->mmap2.min = bswap_32(event->mmap2.min); |
| 304 | event->mmap2.ino = bswap_64(event->mmap2.ino); |
| 305 | |
| 306 | if (sample_id_all) { |
| 307 | void *data = &event->mmap2.filename; |
| 308 | |
| 309 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
| 310 | swap_sample_id_all(event, data); |
| 311 | } |
| 312 | } |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 313 | static void perf_event__task_swap(union perf_event *event, bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 314 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 315 | event->fork.pid = bswap_32(event->fork.pid); |
| 316 | event->fork.tid = bswap_32(event->fork.tid); |
| 317 | event->fork.ppid = bswap_32(event->fork.ppid); |
| 318 | event->fork.ptid = bswap_32(event->fork.ptid); |
| 319 | event->fork.time = bswap_64(event->fork.time); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 320 | |
| 321 | if (sample_id_all) |
| 322 | swap_sample_id_all(event, &event->fork + 1); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 323 | } |
| 324 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 325 | static void perf_event__read_swap(union perf_event *event, bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 326 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 327 | event->read.pid = bswap_32(event->read.pid); |
| 328 | event->read.tid = bswap_32(event->read.tid); |
| 329 | event->read.value = bswap_64(event->read.value); |
| 330 | event->read.time_enabled = bswap_64(event->read.time_enabled); |
| 331 | event->read.time_running = bswap_64(event->read.time_running); |
| 332 | event->read.id = bswap_64(event->read.id); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 333 | |
| 334 | if (sample_id_all) |
| 335 | swap_sample_id_all(event, &event->read + 1); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 336 | } |
| 337 | |
Jiri Olsa | dd96c46 | 2013-09-01 12:36:15 +0200 | [diff] [blame] | 338 | static void perf_event__throttle_swap(union perf_event *event, |
| 339 | bool sample_id_all) |
| 340 | { |
| 341 | event->throttle.time = bswap_64(event->throttle.time); |
| 342 | event->throttle.id = bswap_64(event->throttle.id); |
| 343 | event->throttle.stream_id = bswap_64(event->throttle.stream_id); |
| 344 | |
| 345 | if (sample_id_all) |
| 346 | swap_sample_id_all(event, &event->throttle + 1); |
| 347 | } |
| 348 | |
Jiri Olsa | e108c66 | 2012-05-16 08:59:03 +0200 | [diff] [blame] | 349 | static u8 revbyte(u8 b) |
| 350 | { |
| 351 | int rev = (b >> 4) | ((b & 0xf) << 4); |
| 352 | rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2); |
| 353 | rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1); |
| 354 | return (u8) rev; |
| 355 | } |
| 356 | |
| 357 | /* |
| 358 | * XXX this is hack in attempt to carry flags bitfield |
| 359 | * throught endian village. ABI says: |
| 360 | * |
| 361 | * Bit-fields are allocated from right to left (least to most significant) |
| 362 | * on little-endian implementations and from left to right (most to least |
| 363 | * significant) on big-endian implementations. |
| 364 | * |
| 365 | * The above seems to be byte specific, so we need to reverse each |
| 366 | * byte of the bitfield. 'Internet' also says this might be implementation |
| 367 | * specific and we probably need proper fix and carry perf_event_attr |
| 368 | * bitfield flags in separate data file FEAT_ section. Thought this seems |
| 369 | * to work for now. |
| 370 | */ |
| 371 | static void swap_bitfield(u8 *p, unsigned len) |
| 372 | { |
| 373 | unsigned i; |
| 374 | |
| 375 | for (i = 0; i < len; i++) { |
| 376 | *p = revbyte(*p); |
| 377 | p++; |
| 378 | } |
| 379 | } |
| 380 | |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 381 | /* exported for swapping attributes in file header */ |
| 382 | void perf_event__attr_swap(struct perf_event_attr *attr) |
| 383 | { |
| 384 | attr->type = bswap_32(attr->type); |
| 385 | attr->size = bswap_32(attr->size); |
| 386 | attr->config = bswap_64(attr->config); |
| 387 | attr->sample_period = bswap_64(attr->sample_period); |
| 388 | attr->sample_type = bswap_64(attr->sample_type); |
| 389 | attr->read_format = bswap_64(attr->read_format); |
| 390 | attr->wakeup_events = bswap_32(attr->wakeup_events); |
| 391 | attr->bp_type = bswap_32(attr->bp_type); |
| 392 | attr->bp_addr = bswap_64(attr->bp_addr); |
| 393 | attr->bp_len = bswap_64(attr->bp_len); |
Adrian Hunter | 7db5952 | 2013-10-18 15:29:03 +0300 | [diff] [blame] | 394 | attr->branch_sample_type = bswap_64(attr->branch_sample_type); |
| 395 | attr->sample_regs_user = bswap_64(attr->sample_regs_user); |
| 396 | attr->sample_stack_user = bswap_32(attr->sample_stack_user); |
Jiri Olsa | e108c66 | 2012-05-16 08:59:03 +0200 | [diff] [blame] | 397 | |
| 398 | swap_bitfield((u8 *) (&attr->read_format + 1), sizeof(u64)); |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 399 | } |
| 400 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 401 | static void perf_event__hdr_attr_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 402 | bool sample_id_all __maybe_unused) |
Tom Zanussi | 2c46dbb | 2010-04-01 23:59:19 -0500 | [diff] [blame] | 403 | { |
| 404 | size_t size; |
| 405 | |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 406 | perf_event__attr_swap(&event->attr.attr); |
Tom Zanussi | 2c46dbb | 2010-04-01 23:59:19 -0500 | [diff] [blame] | 407 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 408 | size = event->header.size; |
| 409 | size -= (void *)&event->attr.id - (void *)event; |
| 410 | mem_bswap_64(event->attr.id, size); |
Tom Zanussi | 2c46dbb | 2010-04-01 23:59:19 -0500 | [diff] [blame] | 411 | } |
| 412 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 413 | static void perf_event__event_type_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 414 | bool sample_id_all __maybe_unused) |
Tom Zanussi | cd19a03 | 2010-04-01 23:59:20 -0500 | [diff] [blame] | 415 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 416 | event->event_type.event_type.event_id = |
| 417 | bswap_64(event->event_type.event_type.event_id); |
Tom Zanussi | cd19a03 | 2010-04-01 23:59:20 -0500 | [diff] [blame] | 418 | } |
| 419 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 420 | static void perf_event__tracing_data_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 421 | bool sample_id_all __maybe_unused) |
Tom Zanussi | 9215545 | 2010-04-01 23:59:21 -0500 | [diff] [blame] | 422 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 423 | event->tracing_data.size = bswap_32(event->tracing_data.size); |
Tom Zanussi | 9215545 | 2010-04-01 23:59:21 -0500 | [diff] [blame] | 424 | } |
| 425 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 426 | typedef void (*perf_event__swap_op)(union perf_event *event, |
| 427 | bool sample_id_all); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 428 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 429 | static perf_event__swap_op perf_event__swap_ops[] = { |
| 430 | [PERF_RECORD_MMAP] = perf_event__mmap_swap, |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 431 | [PERF_RECORD_MMAP2] = perf_event__mmap2_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 432 | [PERF_RECORD_COMM] = perf_event__comm_swap, |
| 433 | [PERF_RECORD_FORK] = perf_event__task_swap, |
| 434 | [PERF_RECORD_EXIT] = perf_event__task_swap, |
| 435 | [PERF_RECORD_LOST] = perf_event__all64_swap, |
| 436 | [PERF_RECORD_READ] = perf_event__read_swap, |
Jiri Olsa | dd96c46 | 2013-09-01 12:36:15 +0200 | [diff] [blame] | 437 | [PERF_RECORD_THROTTLE] = perf_event__throttle_swap, |
| 438 | [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 439 | [PERF_RECORD_SAMPLE] = perf_event__all64_swap, |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 440 | [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 441 | [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, |
| 442 | [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, |
| 443 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, |
| 444 | [PERF_RECORD_HEADER_MAX] = NULL, |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 445 | }; |
| 446 | |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 447 | struct sample_queue { |
| 448 | u64 timestamp; |
Thomas Gleixner | e4c2df1 | 2010-12-07 12:48:50 +0000 | [diff] [blame] | 449 | u64 file_offset; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 450 | union perf_event *event; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 451 | struct list_head list; |
| 452 | }; |
| 453 | |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 454 | static void perf_session_free_sample_buffers(struct perf_session *session) |
| 455 | { |
| 456 | struct ordered_samples *os = &session->ordered_samples; |
| 457 | |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 458 | while (!list_empty(&os->to_free)) { |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 459 | struct sample_queue *sq; |
| 460 | |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 461 | sq = list_entry(os->to_free.next, struct sample_queue, list); |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 462 | list_del(&sq->list); |
| 463 | free(sq); |
| 464 | } |
| 465 | } |
| 466 | |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 467 | static int perf_session_deliver_event(struct perf_session *session, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 468 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 469 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 470 | struct perf_tool *tool, |
Thomas Gleixner | f74725d | 2010-12-07 12:48:53 +0000 | [diff] [blame] | 471 | u64 file_offset); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 472 | |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 473 | static int flush_sample_queue(struct perf_session *s, |
David Ahern | 9c50140 | 2013-08-02 14:05:41 -0600 | [diff] [blame] | 474 | struct perf_tool *tool) |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 475 | { |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 476 | struct ordered_samples *os = &s->ordered_samples; |
| 477 | struct list_head *head = &os->samples; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 478 | struct sample_queue *tmp, *iter; |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 479 | struct perf_sample sample; |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 480 | u64 limit = os->next_flush; |
| 481 | u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL; |
Jiri Olsa | 526fd8d | 2013-09-05 11:14:50 +0200 | [diff] [blame] | 482 | bool show_progress = limit == ULLONG_MAX; |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 483 | struct ui_progress prog; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 484 | int ret; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 485 | |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame^] | 486 | if (!tool->ordered_events || !limit) |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 487 | return 0; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 488 | |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 489 | if (show_progress) |
| 490 | ui_progress__init(&prog, os->nr_samples, "Processing time ordered events..."); |
| 491 | |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 492 | list_for_each_entry_safe(iter, tmp, head, list) { |
Arnaldo Carvalho de Melo | 33e940a | 2013-09-17 16:34:28 -0300 | [diff] [blame] | 493 | if (session_done()) |
| 494 | return 0; |
| 495 | |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 496 | if (iter->timestamp > limit) |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 497 | break; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 498 | |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 499 | ret = perf_evlist__parse_sample(s->evlist, iter->event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 500 | if (ret) |
| 501 | pr_err("Can't parse sample, err = %d\n", ret); |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 502 | else { |
| 503 | ret = perf_session_deliver_event(s, iter->event, &sample, tool, |
| 504 | iter->file_offset); |
| 505 | if (ret) |
| 506 | return ret; |
| 507 | } |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 508 | |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 509 | os->last_flush = iter->timestamp; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 510 | list_del(&iter->list); |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 511 | list_add(&iter->list, &os->sample_cache); |
Jiri Olsa | f1dd1460 | 2014-07-20 23:55:45 +0200 | [diff] [blame] | 512 | os->nr_samples--; |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 513 | |
| 514 | if (show_progress) |
| 515 | ui_progress__update(&prog, 1); |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 516 | } |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 517 | |
| 518 | if (list_empty(head)) { |
| 519 | os->last_sample = NULL; |
| 520 | } else if (last_ts <= limit) { |
| 521 | os->last_sample = |
| 522 | list_entry(head->prev, struct sample_queue, list); |
| 523 | } |
Arnaldo Carvalho de Melo | 8866056 | 2011-10-29 12:41:45 -0200 | [diff] [blame] | 524 | |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 525 | return 0; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 526 | } |
| 527 | |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 528 | /* |
| 529 | * When perf record finishes a pass on every buffers, it records this pseudo |
| 530 | * event. |
| 531 | * We record the max timestamp t found in the pass n. |
| 532 | * Assuming these timestamps are monotonic across cpus, we know that if |
| 533 | * a buffer still has events with timestamps below t, they will be all |
| 534 | * available and then read in the pass n + 1. |
| 535 | * Hence when we start to read the pass n + 2, we can safely flush every |
| 536 | * events with timestamps below t. |
| 537 | * |
| 538 | * ============ PASS n ================= |
| 539 | * CPU 0 | CPU 1 |
| 540 | * | |
| 541 | * cnt1 timestamps | cnt2 timestamps |
| 542 | * 1 | 2 |
| 543 | * 2 | 3 |
| 544 | * - | 4 <--- max recorded |
| 545 | * |
| 546 | * ============ PASS n + 1 ============== |
| 547 | * CPU 0 | CPU 1 |
| 548 | * | |
| 549 | * cnt1 timestamps | cnt2 timestamps |
| 550 | * 3 | 5 |
| 551 | * 4 | 6 |
| 552 | * 5 | 7 <---- max recorded |
| 553 | * |
| 554 | * Flush every events below timestamp 4 |
| 555 | * |
| 556 | * ============ PASS n + 2 ============== |
| 557 | * CPU 0 | CPU 1 |
| 558 | * | |
| 559 | * cnt1 timestamps | cnt2 timestamps |
| 560 | * 6 | 8 |
| 561 | * 7 | 9 |
| 562 | * - | 10 |
| 563 | * |
| 564 | * Flush every events below timestamp 7 |
| 565 | * etc... |
| 566 | */ |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 567 | static int process_finished_round(struct perf_tool *tool, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 568 | union perf_event *event __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 569 | struct perf_session *session) |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 570 | { |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 571 | int ret = flush_sample_queue(session, tool); |
| 572 | if (!ret) |
| 573 | session->ordered_samples.next_flush = session->ordered_samples.max_timestamp; |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 574 | |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 575 | return ret; |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 576 | } |
| 577 | |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 578 | /* The queue is ordered by time */ |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 579 | static void __queue_event(struct sample_queue *new, struct perf_session *s) |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 580 | { |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 581 | struct ordered_samples *os = &s->ordered_samples; |
| 582 | struct sample_queue *sample = os->last_sample; |
| 583 | u64 timestamp = new->timestamp; |
| 584 | struct list_head *p; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 585 | |
Arnaldo Carvalho de Melo | 8866056 | 2011-10-29 12:41:45 -0200 | [diff] [blame] | 586 | ++os->nr_samples; |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 587 | os->last_sample = new; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 588 | |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 589 | if (!sample) { |
| 590 | list_add(&new->list, &os->samples); |
| 591 | os->max_timestamp = timestamp; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 592 | return; |
| 593 | } |
| 594 | |
| 595 | /* |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 596 | * last_sample might point to some random place in the list as it's |
| 597 | * the last queued event. We expect that the new event is close to |
| 598 | * this. |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 599 | */ |
Thomas Gleixner | a1225de | 2010-11-30 17:49:33 +0000 | [diff] [blame] | 600 | if (sample->timestamp <= timestamp) { |
| 601 | while (sample->timestamp <= timestamp) { |
| 602 | p = sample->list.next; |
| 603 | if (p == &os->samples) { |
| 604 | list_add_tail(&new->list, &os->samples); |
| 605 | os->max_timestamp = timestamp; |
| 606 | return; |
| 607 | } |
| 608 | sample = list_entry(p, struct sample_queue, list); |
| 609 | } |
| 610 | list_add_tail(&new->list, &sample->list); |
| 611 | } else { |
| 612 | while (sample->timestamp > timestamp) { |
| 613 | p = sample->list.prev; |
| 614 | if (p == &os->samples) { |
| 615 | list_add(&new->list, &os->samples); |
| 616 | return; |
| 617 | } |
| 618 | sample = list_entry(p, struct sample_queue, list); |
| 619 | } |
| 620 | list_add(&new->list, &sample->list); |
| 621 | } |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 622 | } |
| 623 | |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 624 | #define MAX_SAMPLE_BUFFER (64 * 1024 / sizeof(struct sample_queue)) |
| 625 | |
David Ahern | e30b88a | 2013-08-05 21:41:33 -0400 | [diff] [blame] | 626 | int perf_session_queue_event(struct perf_session *s, union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 627 | struct perf_sample *sample, u64 file_offset) |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 628 | { |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 629 | struct ordered_samples *os = &s->ordered_samples; |
| 630 | struct list_head *sc = &os->sample_cache; |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 631 | u64 timestamp = sample->time; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 632 | struct sample_queue *new; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 633 | |
Thomas Gleixner | 79a14c1 | 2010-12-07 12:48:44 +0000 | [diff] [blame] | 634 | if (!timestamp || timestamp == ~0ULL) |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 635 | return -ETIME; |
| 636 | |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 637 | if (timestamp < s->ordered_samples.last_flush) { |
| 638 | printf("Warning: Timestamp below last timeslice flush\n"); |
| 639 | return -EINVAL; |
| 640 | } |
| 641 | |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 642 | if (!list_empty(sc)) { |
| 643 | new = list_entry(sc->next, struct sample_queue, list); |
| 644 | list_del(&new->list); |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 645 | } else if (os->sample_buffer) { |
| 646 | new = os->sample_buffer + os->sample_buffer_idx; |
| 647 | if (++os->sample_buffer_idx == MAX_SAMPLE_BUFFER) |
| 648 | os->sample_buffer = NULL; |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 649 | } else { |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 650 | os->sample_buffer = malloc(MAX_SAMPLE_BUFFER * sizeof(*new)); |
| 651 | if (!os->sample_buffer) |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 652 | return -ENOMEM; |
Thomas Gleixner | 5c891f3 | 2010-11-30 17:49:55 +0000 | [diff] [blame] | 653 | list_add(&os->sample_buffer->list, &os->to_free); |
| 654 | os->sample_buffer_idx = 2; |
| 655 | new = os->sample_buffer + 1; |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 656 | } |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 657 | |
| 658 | new->timestamp = timestamp; |
Thomas Gleixner | e4c2df1 | 2010-12-07 12:48:50 +0000 | [diff] [blame] | 659 | new->file_offset = file_offset; |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 660 | new->event = event; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 661 | |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 662 | __queue_event(new, s); |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 663 | |
| 664 | return 0; |
| 665 | } |
| 666 | |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 667 | static void callchain__printf(struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 668 | { |
| 669 | unsigned int i; |
| 670 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 671 | printf("... chain: nr:%" PRIu64 "\n", sample->callchain->nr); |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 672 | |
| 673 | for (i = 0; i < sample->callchain->nr; i++) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 674 | printf("..... %2d: %016" PRIx64 "\n", |
| 675 | i, sample->callchain->ips[i]); |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 676 | } |
| 677 | |
Roberto Agostino Vitillo | b538752 | 2012-02-09 23:21:01 +0100 | [diff] [blame] | 678 | static void branch_stack__printf(struct perf_sample *sample) |
| 679 | { |
| 680 | uint64_t i; |
| 681 | |
| 682 | printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); |
| 683 | |
| 684 | for (i = 0; i < sample->branch_stack->nr; i++) |
| 685 | printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 "\n", |
| 686 | i, sample->branch_stack->entries[i].from, |
| 687 | sample->branch_stack->entries[i].to); |
| 688 | } |
| 689 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 690 | static void regs_dump__printf(u64 mask, u64 *regs) |
| 691 | { |
| 692 | unsigned rid, i = 0; |
| 693 | |
| 694 | for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) { |
| 695 | u64 val = regs[i++]; |
| 696 | |
| 697 | printf(".... %-5s 0x%" PRIx64 "\n", |
| 698 | perf_reg_name(rid), val); |
| 699 | } |
| 700 | } |
| 701 | |
Jiri Olsa | 352ea45 | 2014-01-07 13:47:25 +0100 | [diff] [blame] | 702 | static void regs_user__printf(struct perf_sample *sample) |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 703 | { |
| 704 | struct regs_dump *user_regs = &sample->user_regs; |
| 705 | |
| 706 | if (user_regs->regs) { |
Jiri Olsa | 352ea45 | 2014-01-07 13:47:25 +0100 | [diff] [blame] | 707 | u64 mask = user_regs->mask; |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 708 | printf("... user regs: mask 0x%" PRIx64 "\n", mask); |
| 709 | regs_dump__printf(mask, user_regs->regs); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | static void stack_user__printf(struct stack_dump *dump) |
| 714 | { |
| 715 | printf("... ustack: size %" PRIu64 ", offset 0x%x\n", |
| 716 | dump->size, dump->offset); |
| 717 | } |
| 718 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 719 | static void perf_session__print_tstamp(struct perf_session *session, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 720 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 721 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 722 | { |
Adrian Hunter | 7556257 | 2013-08-27 11:23:09 +0300 | [diff] [blame] | 723 | u64 sample_type = __perf_evlist__combined_sample_type(session->evlist); |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 724 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 725 | if (event->header.type != PERF_RECORD_SAMPLE && |
Arnaldo Carvalho de Melo | 5e56247 | 2012-08-01 19:25:26 -0300 | [diff] [blame] | 726 | !perf_evlist__sample_id_all(session->evlist)) { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 727 | fputs("-1 -1 ", stdout); |
| 728 | return; |
| 729 | } |
| 730 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 731 | if ((sample_type & PERF_SAMPLE_CPU)) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 732 | printf("%u ", sample->cpu); |
| 733 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 734 | if (sample_type & PERF_SAMPLE_TIME) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 735 | printf("%" PRIu64 " ", sample->time); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 736 | } |
| 737 | |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 738 | static void sample_read__printf(struct perf_sample *sample, u64 read_format) |
| 739 | { |
| 740 | printf("... sample_read:\n"); |
| 741 | |
| 742 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) |
| 743 | printf("...... time enabled %016" PRIx64 "\n", |
| 744 | sample->read.time_enabled); |
| 745 | |
| 746 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) |
| 747 | printf("...... time running %016" PRIx64 "\n", |
| 748 | sample->read.time_running); |
| 749 | |
| 750 | if (read_format & PERF_FORMAT_GROUP) { |
| 751 | u64 i; |
| 752 | |
| 753 | printf(".... group nr %" PRIu64 "\n", sample->read.group.nr); |
| 754 | |
| 755 | for (i = 0; i < sample->read.group.nr; i++) { |
| 756 | struct sample_read_value *value; |
| 757 | |
| 758 | value = &sample->read.group.values[i]; |
| 759 | printf("..... id %016" PRIx64 |
| 760 | ", value %016" PRIx64 "\n", |
| 761 | value->id, value->value); |
| 762 | } |
| 763 | } else |
| 764 | printf("..... id %016" PRIx64 ", value %016" PRIx64 "\n", |
| 765 | sample->read.one.id, sample->read.one.value); |
| 766 | } |
| 767 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 768 | static void dump_event(struct perf_session *session, union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 769 | u64 file_offset, struct perf_sample *sample) |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 770 | { |
| 771 | if (!dump_trace) |
| 772 | return; |
| 773 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 774 | printf("\n%#" PRIx64 " [%#x]: event: %d\n", |
| 775 | file_offset, event->header.size, event->header.type); |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 776 | |
| 777 | trace_event(event); |
| 778 | |
| 779 | if (sample) |
| 780 | perf_session__print_tstamp(session, event, sample); |
| 781 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 782 | printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 783 | event->header.size, perf_event__name(event->header.type)); |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 784 | } |
| 785 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 786 | static void dump_sample(struct perf_evsel *evsel, union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 787 | struct perf_sample *sample) |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 788 | { |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 789 | u64 sample_type; |
| 790 | |
Arnaldo Carvalho de Melo | ddbc24b | 2010-12-09 12:20:20 -0200 | [diff] [blame] | 791 | if (!dump_trace) |
| 792 | return; |
| 793 | |
Don Zickus | 0ea590a | 2014-02-25 22:43:46 -0500 | [diff] [blame] | 794 | printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 795 | event->header.misc, sample->pid, sample->tid, sample->ip, |
David Ahern | 7cec092 | 2011-05-30 13:08:23 -0600 | [diff] [blame] | 796 | sample->period, sample->addr); |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 797 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 798 | sample_type = evsel->attr.sample_type; |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 799 | |
| 800 | if (sample_type & PERF_SAMPLE_CALLCHAIN) |
Arnaldo Carvalho de Melo | ddbc24b | 2010-12-09 12:20:20 -0200 | [diff] [blame] | 801 | callchain__printf(sample); |
Roberto Agostino Vitillo | b538752 | 2012-02-09 23:21:01 +0100 | [diff] [blame] | 802 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 803 | if (sample_type & PERF_SAMPLE_BRANCH_STACK) |
Roberto Agostino Vitillo | b538752 | 2012-02-09 23:21:01 +0100 | [diff] [blame] | 804 | branch_stack__printf(sample); |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 805 | |
| 806 | if (sample_type & PERF_SAMPLE_REGS_USER) |
Jiri Olsa | 352ea45 | 2014-01-07 13:47:25 +0100 | [diff] [blame] | 807 | regs_user__printf(sample); |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 808 | |
| 809 | if (sample_type & PERF_SAMPLE_STACK_USER) |
| 810 | stack_user__printf(&sample->user_stack); |
Andi Kleen | 0548429 | 2013-01-24 16:10:29 +0100 | [diff] [blame] | 811 | |
| 812 | if (sample_type & PERF_SAMPLE_WEIGHT) |
| 813 | printf("... weight: %" PRIu64 "\n", sample->weight); |
Stephane Eranian | 98a3b32 | 2013-01-24 16:10:35 +0100 | [diff] [blame] | 814 | |
| 815 | if (sample_type & PERF_SAMPLE_DATA_SRC) |
| 816 | printf(" . data_src: 0x%"PRIx64"\n", sample->data_src); |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 817 | |
Andi Kleen | 475eeab | 2013-09-20 07:40:43 -0700 | [diff] [blame] | 818 | if (sample_type & PERF_SAMPLE_TRANSACTION) |
| 819 | printf("... transaction: %" PRIx64 "\n", sample->transaction); |
| 820 | |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 821 | if (sample_type & PERF_SAMPLE_READ) |
| 822 | sample_read__printf(sample, evsel->attr.read_format); |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 823 | } |
| 824 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 825 | static struct machine * |
| 826 | perf_session__find_machine_for_cpumode(struct perf_session *session, |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 827 | union perf_event *event, |
| 828 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 829 | { |
| 830 | const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
Dongsheng Yang | ad85ace | 2013-12-20 13:41:47 -0500 | [diff] [blame] | 831 | struct machine *machine; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 832 | |
David Ahern | 7c0f4a4 | 2012-07-20 17:25:48 -0600 | [diff] [blame] | 833 | if (perf_guest && |
| 834 | ((cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || |
| 835 | (cpumode == PERF_RECORD_MISC_GUEST_USER))) { |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 836 | u32 pid; |
| 837 | |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 838 | if (event->header.type == PERF_RECORD_MMAP |
| 839 | || event->header.type == PERF_RECORD_MMAP2) |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 840 | pid = event->mmap.pid; |
| 841 | else |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 842 | pid = sample->pid; |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 843 | |
Dongsheng Yang | ad85ace | 2013-12-20 13:41:47 -0500 | [diff] [blame] | 844 | machine = perf_session__find_machine(session, pid); |
| 845 | if (!machine) |
| 846 | machine = perf_session__findnew_machine(session, |
| 847 | DEFAULT_GUEST_KERNEL_ID); |
| 848 | return machine; |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 849 | } |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 850 | |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 851 | return &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 852 | } |
| 853 | |
Jiri Olsa | e4caec0 | 2012-10-10 18:52:24 +0200 | [diff] [blame] | 854 | static int deliver_sample_value(struct perf_session *session, |
| 855 | struct perf_tool *tool, |
| 856 | union perf_event *event, |
| 857 | struct perf_sample *sample, |
| 858 | struct sample_read_value *v, |
| 859 | struct machine *machine) |
| 860 | { |
| 861 | struct perf_sample_id *sid; |
| 862 | |
| 863 | sid = perf_evlist__id2sid(session->evlist, v->id); |
| 864 | if (sid) { |
| 865 | sample->id = v->id; |
| 866 | sample->period = v->value - sid->period; |
| 867 | sid->period = v->value; |
| 868 | } |
| 869 | |
| 870 | if (!sid || sid->evsel == NULL) { |
| 871 | ++session->stats.nr_unknown_id; |
| 872 | return 0; |
| 873 | } |
| 874 | |
| 875 | return tool->sample(tool, event, sample, sid->evsel, machine); |
| 876 | } |
| 877 | |
| 878 | static int deliver_sample_group(struct perf_session *session, |
| 879 | struct perf_tool *tool, |
| 880 | union perf_event *event, |
| 881 | struct perf_sample *sample, |
| 882 | struct machine *machine) |
| 883 | { |
| 884 | int ret = -EINVAL; |
| 885 | u64 i; |
| 886 | |
| 887 | for (i = 0; i < sample->read.group.nr; i++) { |
| 888 | ret = deliver_sample_value(session, tool, event, sample, |
| 889 | &sample->read.group.values[i], |
| 890 | machine); |
| 891 | if (ret) |
| 892 | break; |
| 893 | } |
| 894 | |
| 895 | return ret; |
| 896 | } |
| 897 | |
| 898 | static int |
| 899 | perf_session__deliver_sample(struct perf_session *session, |
| 900 | struct perf_tool *tool, |
| 901 | union perf_event *event, |
| 902 | struct perf_sample *sample, |
| 903 | struct perf_evsel *evsel, |
| 904 | struct machine *machine) |
| 905 | { |
| 906 | /* We know evsel != NULL. */ |
| 907 | u64 sample_type = evsel->attr.sample_type; |
| 908 | u64 read_format = evsel->attr.read_format; |
| 909 | |
| 910 | /* Standard sample delievery. */ |
| 911 | if (!(sample_type & PERF_SAMPLE_READ)) |
| 912 | return tool->sample(tool, event, sample, evsel, machine); |
| 913 | |
| 914 | /* For PERF_SAMPLE_READ we have either single or group mode. */ |
| 915 | if (read_format & PERF_FORMAT_GROUP) |
| 916 | return deliver_sample_group(session, tool, event, sample, |
| 917 | machine); |
| 918 | else |
| 919 | return deliver_sample_value(session, tool, event, sample, |
| 920 | &sample->read.one, machine); |
| 921 | } |
| 922 | |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 923 | static int perf_session_deliver_event(struct perf_session *session, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 924 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 925 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 926 | struct perf_tool *tool, |
Thomas Gleixner | 532e726 | 2010-12-07 12:48:55 +0000 | [diff] [blame] | 927 | u64 file_offset) |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 928 | { |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 929 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 930 | struct machine *machine; |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 931 | |
Thomas Gleixner | 532e726 | 2010-12-07 12:48:55 +0000 | [diff] [blame] | 932 | dump_event(session, event, file_offset, sample); |
| 933 | |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 934 | evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 935 | if (evsel != NULL && event->header.type != PERF_RECORD_SAMPLE) { |
| 936 | /* |
| 937 | * XXX We're leaving PERF_RECORD_SAMPLE unnacounted here |
| 938 | * because the tools right now may apply filters, discarding |
| 939 | * some of the samples. For consistency, in the future we |
| 940 | * should have something like nr_filtered_samples and remove |
| 941 | * the sample->period from total_sample_period, etc, KISS for |
| 942 | * now tho. |
| 943 | * |
| 944 | * Also testing against NULL allows us to handle files without |
| 945 | * attr.sample_id_all and/or without PERF_SAMPLE_ID. In the |
| 946 | * future probably it'll be a good idea to restrict event |
| 947 | * processing via perf_session to files with both set. |
| 948 | */ |
| 949 | hists__inc_nr_events(&evsel->hists, event->header.type); |
| 950 | } |
| 951 | |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 952 | machine = perf_session__find_machine_for_cpumode(session, event, |
| 953 | sample); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 954 | |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 955 | switch (event->header.type) { |
| 956 | case PERF_RECORD_SAMPLE: |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 957 | dump_sample(evsel, event, sample); |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 958 | if (evsel == NULL) { |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 959 | ++session->stats.nr_unknown_id; |
Jiri Olsa | 6782206 | 2012-04-12 14:21:01 +0200 | [diff] [blame] | 960 | return 0; |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 961 | } |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 962 | if (machine == NULL) { |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 963 | ++session->stats.nr_unprocessable_samples; |
Jiri Olsa | 6782206 | 2012-04-12 14:21:01 +0200 | [diff] [blame] | 964 | return 0; |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 965 | } |
Jiri Olsa | e4caec0 | 2012-10-10 18:52:24 +0200 | [diff] [blame] | 966 | return perf_session__deliver_sample(session, tool, event, |
| 967 | sample, evsel, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 968 | case PERF_RECORD_MMAP: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 969 | return tool->mmap(tool, event, sample, machine); |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 970 | case PERF_RECORD_MMAP2: |
| 971 | return tool->mmap2(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 972 | case PERF_RECORD_COMM: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 973 | return tool->comm(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 974 | case PERF_RECORD_FORK: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 975 | return tool->fork(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 976 | case PERF_RECORD_EXIT: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 977 | return tool->exit(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 978 | case PERF_RECORD_LOST: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 979 | if (tool->lost == perf_event__process_lost) |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 980 | session->stats.total_lost += event->lost.lost; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 981 | return tool->lost(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 982 | case PERF_RECORD_READ: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 983 | return tool->read(tool, event, sample, evsel, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 984 | case PERF_RECORD_THROTTLE: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 985 | return tool->throttle(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 986 | case PERF_RECORD_UNTHROTTLE: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 987 | return tool->unthrottle(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 988 | default: |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 989 | ++session->stats.nr_unknown_events; |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 990 | return -1; |
| 991 | } |
| 992 | } |
| 993 | |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 994 | static s64 perf_session__process_user_event(struct perf_session *session, |
| 995 | union perf_event *event, |
| 996 | struct perf_tool *tool, |
| 997 | u64 file_offset) |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 998 | { |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 999 | int fd = perf_data_file__fd(session->file); |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 1000 | int err; |
| 1001 | |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 1002 | dump_event(session, event, file_offset, NULL); |
| 1003 | |
| 1004 | /* These events are processed right away */ |
| 1005 | switch (event->header.type) { |
| 1006 | case PERF_RECORD_HEADER_ATTR: |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 1007 | err = tool->attr(tool, event, &session->evlist); |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 1008 | if (err == 0) |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 1009 | perf_session__set_id_hdr_size(session); |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 1010 | return err; |
Jiri Olsa | f67697b | 2014-02-04 15:37:48 +0100 | [diff] [blame] | 1011 | case PERF_RECORD_HEADER_EVENT_TYPE: |
| 1012 | /* |
| 1013 | * Depreceated, but we need to handle it for sake |
| 1014 | * of old data files create in pipe mode. |
| 1015 | */ |
| 1016 | return 0; |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 1017 | case PERF_RECORD_HEADER_TRACING_DATA: |
| 1018 | /* setup for reading amidst mmap */ |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1019 | lseek(fd, file_offset, SEEK_SET); |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 1020 | return tool->tracing_data(tool, event, session); |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 1021 | case PERF_RECORD_HEADER_BUILD_ID: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1022 | return tool->build_id(tool, event, session); |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 1023 | case PERF_RECORD_FINISHED_ROUND: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1024 | return tool->finished_round(tool, event, session); |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 1025 | default: |
| 1026 | return -EINVAL; |
| 1027 | } |
| 1028 | } |
| 1029 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 1030 | static void event_swap(union perf_event *event, bool sample_id_all) |
| 1031 | { |
| 1032 | perf_event__swap_op swap; |
| 1033 | |
| 1034 | swap = perf_event__swap_ops[event->header.type]; |
| 1035 | if (swap) |
| 1036 | swap(event, sample_id_all); |
| 1037 | } |
| 1038 | |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1039 | static s64 perf_session__process_event(struct perf_session *session, |
David Ahern | e30b88a | 2013-08-05 21:41:33 -0400 | [diff] [blame] | 1040 | union perf_event *event, |
| 1041 | struct perf_tool *tool, |
| 1042 | u64 file_offset) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1043 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 1044 | struct perf_sample sample; |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 1045 | int ret; |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 1046 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 1047 | if (session->header.needs_swap) |
Arnaldo Carvalho de Melo | 5e56247 | 2012-08-01 19:25:26 -0300 | [diff] [blame] | 1048 | event_swap(event, perf_evlist__sample_id_all(session->evlist)); |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 1049 | |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 1050 | if (event->header.type >= PERF_RECORD_HEADER_MAX) |
| 1051 | return -EINVAL; |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 1052 | |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1053 | events_stats__inc(&session->stats, event->header.type); |
Thomas Gleixner | 9aefcab0 | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 1054 | |
| 1055 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1056 | return perf_session__process_user_event(session, event, tool, file_offset); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 1057 | |
Thomas Gleixner | 3dfc2c0 | 2010-12-07 12:48:58 +0000 | [diff] [blame] | 1058 | /* |
| 1059 | * For all kernel events we get the sample data |
| 1060 | */ |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 1061 | ret = perf_evlist__parse_sample(session->evlist, event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 1062 | if (ret) |
| 1063 | return ret; |
Thomas Gleixner | 3dfc2c0 | 2010-12-07 12:48:58 +0000 | [diff] [blame] | 1064 | |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame^] | 1065 | if (tool->ordered_events) { |
Thomas Gleixner | e4c2df1 | 2010-12-07 12:48:50 +0000 | [diff] [blame] | 1066 | ret = perf_session_queue_event(session, event, &sample, |
| 1067 | file_offset); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 1068 | if (ret != -ETIME) |
| 1069 | return ret; |
| 1070 | } |
| 1071 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1072 | return perf_session_deliver_event(session, event, &sample, tool, |
Thomas Gleixner | f74725d | 2010-12-07 12:48:53 +0000 | [diff] [blame] | 1073 | file_offset); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1074 | } |
| 1075 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1076 | void perf_event_header__bswap(struct perf_event_header *hdr) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1077 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1078 | hdr->type = bswap_32(hdr->type); |
| 1079 | hdr->misc = bswap_16(hdr->misc); |
| 1080 | hdr->size = bswap_16(hdr->size); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1081 | } |
| 1082 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1083 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) |
| 1084 | { |
Adrian Hunter | 1fcb876 | 2014-07-14 13:02:25 +0300 | [diff] [blame] | 1085 | return machine__findnew_thread(&session->machines.host, -1, pid); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1086 | } |
| 1087 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1088 | static struct thread *perf_session__register_idle_thread(struct perf_session *session) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1089 | { |
Adrian Hunter | 1fcb876 | 2014-07-14 13:02:25 +0300 | [diff] [blame] | 1090 | struct thread *thread; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1091 | |
Adrian Hunter | 1fcb876 | 2014-07-14 13:02:25 +0300 | [diff] [blame] | 1092 | thread = machine__findnew_thread(&session->machines.host, 0, 0); |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 1093 | if (thread == NULL || thread__set_comm(thread, "swapper", 0)) { |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1094 | pr_err("problem inserting idle task.\n"); |
| 1095 | thread = NULL; |
| 1096 | } |
| 1097 | |
| 1098 | return thread; |
| 1099 | } |
| 1100 | |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1101 | static void perf_session__warn_about_errors(const struct perf_session *session, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1102 | const struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1103 | { |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1104 | if (tool->lost == perf_event__process_lost && |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1105 | session->stats.nr_events[PERF_RECORD_LOST] != 0) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 1106 | ui__warning("Processed %d events and lost %d chunks!\n\n" |
| 1107 | "Check IO/CPU overload!\n\n", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1108 | session->stats.nr_events[0], |
| 1109 | session->stats.nr_events[PERF_RECORD_LOST]); |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1110 | } |
| 1111 | |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1112 | if (session->stats.nr_unknown_events != 0) { |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1113 | ui__warning("Found %u unknown events!\n\n" |
| 1114 | "Is this an older tool processing a perf.data " |
| 1115 | "file generated by a more recent tool?\n\n" |
| 1116 | "If that is not the case, consider " |
| 1117 | "reporting to linux-kernel@vger.kernel.org.\n\n", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1118 | session->stats.nr_unknown_events); |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1119 | } |
| 1120 | |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1121 | if (session->stats.nr_unknown_id != 0) { |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 1122 | ui__warning("%u samples with id not present in the header\n", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1123 | session->stats.nr_unknown_id); |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 1124 | } |
| 1125 | |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1126 | if (session->stats.nr_invalid_chains != 0) { |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1127 | ui__warning("Found invalid callchains!\n\n" |
| 1128 | "%u out of %u events were discarded for this reason.\n\n" |
| 1129 | "Consider reporting to linux-kernel@vger.kernel.org.\n\n", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1130 | session->stats.nr_invalid_chains, |
| 1131 | session->stats.nr_events[PERF_RECORD_SAMPLE]); |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1132 | } |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 1133 | |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1134 | if (session->stats.nr_unprocessable_samples != 0) { |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 1135 | ui__warning("%u unprocessable samples recorded.\n" |
| 1136 | "Do you have a KVM guest running and not using 'perf kvm'?\n", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1137 | session->stats.nr_unprocessable_samples); |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 1138 | } |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1139 | } |
| 1140 | |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1141 | volatile int session_done; |
| 1142 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1143 | static int __perf_session__process_pipe_events(struct perf_session *session, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1144 | struct perf_tool *tool) |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1145 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1146 | int fd = perf_data_file__fd(session->file); |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1147 | union perf_event *event; |
| 1148 | uint32_t size, cur_size = 0; |
| 1149 | void *buf = NULL; |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1150 | s64 skip = 0; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1151 | u64 head; |
Jiri Olsa | 727ebd5 | 2013-11-28 11:30:14 +0100 | [diff] [blame] | 1152 | ssize_t err; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1153 | void *p; |
| 1154 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1155 | perf_tool__fill_defaults(tool); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1156 | |
| 1157 | head = 0; |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1158 | cur_size = sizeof(union perf_event); |
| 1159 | |
| 1160 | buf = malloc(cur_size); |
| 1161 | if (!buf) |
| 1162 | return -errno; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1163 | more: |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1164 | event = buf; |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1165 | err = readn(fd, event, sizeof(struct perf_event_header)); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1166 | if (err <= 0) { |
| 1167 | if (err == 0) |
| 1168 | goto done; |
| 1169 | |
| 1170 | pr_err("failed to read event header\n"); |
| 1171 | goto out_err; |
| 1172 | } |
| 1173 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1174 | if (session->header.needs_swap) |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1175 | perf_event_header__bswap(&event->header); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1176 | |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1177 | size = event->header.size; |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1178 | if (size < sizeof(struct perf_event_header)) { |
| 1179 | pr_err("bad event header size\n"); |
| 1180 | goto out_err; |
| 1181 | } |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1182 | |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1183 | if (size > cur_size) { |
| 1184 | void *new = realloc(buf, size); |
| 1185 | if (!new) { |
| 1186 | pr_err("failed to allocate memory to read event\n"); |
| 1187 | goto out_err; |
| 1188 | } |
| 1189 | buf = new; |
| 1190 | cur_size = size; |
| 1191 | event = buf; |
| 1192 | } |
| 1193 | p = event; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1194 | p += sizeof(struct perf_event_header); |
| 1195 | |
Tom Zanussi | 794e43b | 2010-05-05 00:27:40 -0500 | [diff] [blame] | 1196 | if (size - sizeof(struct perf_event_header)) { |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1197 | err = readn(fd, p, size - sizeof(struct perf_event_header)); |
Tom Zanussi | 794e43b | 2010-05-05 00:27:40 -0500 | [diff] [blame] | 1198 | if (err <= 0) { |
| 1199 | if (err == 0) { |
| 1200 | pr_err("unexpected end of event stream\n"); |
| 1201 | goto done; |
| 1202 | } |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1203 | |
Tom Zanussi | 794e43b | 2010-05-05 00:27:40 -0500 | [diff] [blame] | 1204 | pr_err("failed to read event data\n"); |
| 1205 | goto out_err; |
| 1206 | } |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1207 | } |
| 1208 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1209 | if ((skip = perf_session__process_event(session, event, tool, head)) < 0) { |
Jiri Olsa | 9389a46 | 2012-04-16 20:42:51 +0200 | [diff] [blame] | 1210 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1211 | head, event->header.size, event->header.type); |
Jiri Olsa | 9389a46 | 2012-04-16 20:42:51 +0200 | [diff] [blame] | 1212 | err = -EINVAL; |
| 1213 | goto out_err; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1214 | } |
| 1215 | |
| 1216 | head += size; |
| 1217 | |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1218 | if (skip > 0) |
| 1219 | head += skip; |
| 1220 | |
| 1221 | if (!session_done()) |
| 1222 | goto more; |
| 1223 | done: |
Adrian Hunter | 8c16b64 | 2013-10-18 15:29:02 +0300 | [diff] [blame] | 1224 | /* do the final flush for ordered samples */ |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1225 | session->ordered_samples.next_flush = ULLONG_MAX; |
| 1226 | err = flush_sample_queue(session, tool); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1227 | out_err: |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1228 | free(buf); |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1229 | perf_session__warn_about_errors(session, tool); |
| 1230 | perf_session_free_sample_buffers(session); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1231 | return err; |
| 1232 | } |
| 1233 | |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1234 | static union perf_event * |
| 1235 | fetch_mmaped_event(struct perf_session *session, |
| 1236 | u64 head, size_t mmap_size, char *buf) |
| 1237 | { |
| 1238 | union perf_event *event; |
| 1239 | |
| 1240 | /* |
| 1241 | * Ensure we have enough space remaining to read |
| 1242 | * the size of the event in the headers. |
| 1243 | */ |
| 1244 | if (head + sizeof(event->header) > mmap_size) |
| 1245 | return NULL; |
| 1246 | |
| 1247 | event = (union perf_event *)(buf + head); |
| 1248 | |
| 1249 | if (session->header.needs_swap) |
| 1250 | perf_event_header__bswap(&event->header); |
| 1251 | |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1252 | if (head + event->header.size > mmap_size) { |
| 1253 | /* We're not fetching the event so swap back again */ |
| 1254 | if (session->header.needs_swap) |
| 1255 | perf_event_header__bswap(&event->header); |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1256 | return NULL; |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1257 | } |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1258 | |
| 1259 | return event; |
| 1260 | } |
| 1261 | |
David Miller | 35d48dd | 2012-11-10 14:12:19 -0500 | [diff] [blame] | 1262 | /* |
| 1263 | * On 64bit we can mmap the data file in one go. No need for tiny mmap |
| 1264 | * slices. On 32bit we use 32MB. |
| 1265 | */ |
| 1266 | #if BITS_PER_LONG == 64 |
| 1267 | #define MMAP_SIZE ULLONG_MAX |
| 1268 | #define NUM_MMAPS 1 |
| 1269 | #else |
| 1270 | #define MMAP_SIZE (32 * 1024 * 1024ULL) |
| 1271 | #define NUM_MMAPS 128 |
| 1272 | #endif |
| 1273 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1274 | int __perf_session__process_events(struct perf_session *session, |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1275 | u64 data_offset, u64 data_size, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1276 | u64 file_size, struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1277 | { |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1278 | int fd = perf_data_file__fd(session->file); |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1279 | u64 head, page_offset, file_offset, file_pos, size; |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1280 | int err, mmap_prot, mmap_flags, map_idx = 0; |
Arnaldo Carvalho de Melo | 0c1fe6b | 2012-10-06 14:57:10 -0300 | [diff] [blame] | 1281 | size_t mmap_size; |
David Miller | 35d48dd | 2012-11-10 14:12:19 -0500 | [diff] [blame] | 1282 | char *buf, *mmaps[NUM_MMAPS]; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1283 | union perf_event *event; |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 1284 | struct ui_progress prog; |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1285 | s64 skip; |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1286 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1287 | perf_tool__fill_defaults(tool); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1288 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1289 | page_offset = page_size * (data_offset / page_size); |
| 1290 | file_offset = page_offset; |
| 1291 | head = data_offset - page_offset; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1292 | |
Namhyung Kim | b314e5c | 2013-09-30 17:19:48 +0900 | [diff] [blame] | 1293 | if (data_size && (data_offset + data_size < file_size)) |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1294 | file_size = data_offset + data_size; |
| 1295 | |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 1296 | ui_progress__init(&prog, file_size, "Processing events..."); |
Thomas Gleixner | 55b44629 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1297 | |
David Miller | 35d48dd | 2012-11-10 14:12:19 -0500 | [diff] [blame] | 1298 | mmap_size = MMAP_SIZE; |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1299 | if (mmap_size > file_size) { |
Thomas Gleixner | 55b44629 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1300 | mmap_size = file_size; |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1301 | session->one_mmap = true; |
| 1302 | } |
Thomas Gleixner | 55b44629 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1303 | |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1304 | memset(mmaps, 0, sizeof(mmaps)); |
| 1305 | |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1306 | mmap_prot = PROT_READ; |
| 1307 | mmap_flags = MAP_SHARED; |
| 1308 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1309 | if (session->header.needs_swap) { |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1310 | mmap_prot |= PROT_WRITE; |
| 1311 | mmap_flags = MAP_PRIVATE; |
| 1312 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1313 | remap: |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1314 | buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, fd, |
Thomas Gleixner | 55b44629 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1315 | file_offset); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1316 | if (buf == MAP_FAILED) { |
| 1317 | pr_err("failed to mmap file\n"); |
| 1318 | err = -errno; |
| 1319 | goto out_err; |
| 1320 | } |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1321 | mmaps[map_idx] = buf; |
| 1322 | map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1); |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1323 | file_pos = file_offset + head; |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1324 | if (session->one_mmap) { |
| 1325 | session->one_mmap_addr = buf; |
| 1326 | session->one_mmap_offset = file_offset; |
| 1327 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1328 | |
| 1329 | more: |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1330 | event = fetch_mmaped_event(session, head, mmap_size, buf); |
| 1331 | if (!event) { |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1332 | if (mmaps[map_idx]) { |
| 1333 | munmap(mmaps[map_idx], mmap_size); |
| 1334 | mmaps[map_idx] = NULL; |
| 1335 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1336 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1337 | page_offset = page_size * (head / page_size); |
| 1338 | file_offset += page_offset; |
| 1339 | head -= page_offset; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1340 | goto remap; |
| 1341 | } |
| 1342 | |
| 1343 | size = event->header.size; |
| 1344 | |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1345 | if (size < sizeof(struct perf_event_header) || |
Adrian Hunter | 6f917c7 | 2014-07-23 22:19:57 +0300 | [diff] [blame] | 1346 | (skip = perf_session__process_event(session, event, tool, file_pos)) |
| 1347 | < 0) { |
Jiri Olsa | 9389a46 | 2012-04-16 20:42:51 +0200 | [diff] [blame] | 1348 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
| 1349 | file_offset + head, event->header.size, |
| 1350 | event->header.type); |
| 1351 | err = -EINVAL; |
| 1352 | goto out_err; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1353 | } |
| 1354 | |
Adrian Hunter | 6f917c7 | 2014-07-23 22:19:57 +0300 | [diff] [blame] | 1355 | if (skip) |
| 1356 | size += skip; |
| 1357 | |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1358 | head += size; |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1359 | file_pos += size; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1360 | |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 1361 | ui_progress__update(&prog, size); |
Thomas Gleixner | 55b44629 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1362 | |
Arnaldo Carvalho de Melo | 33e940a | 2013-09-17 16:34:28 -0300 | [diff] [blame] | 1363 | if (session_done()) |
Adrian Hunter | 8c16b64 | 2013-10-18 15:29:02 +0300 | [diff] [blame] | 1364 | goto out; |
Arnaldo Carvalho de Melo | 33e940a | 2013-09-17 16:34:28 -0300 | [diff] [blame] | 1365 | |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1366 | if (file_pos < file_size) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1367 | goto more; |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1368 | |
Adrian Hunter | 8c16b64 | 2013-10-18 15:29:02 +0300 | [diff] [blame] | 1369 | out: |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 1370 | /* do the final flush for ordered samples */ |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1371 | session->ordered_samples.next_flush = ULLONG_MAX; |
David Ahern | d25380cd | 2012-08-26 12:24:41 -0600 | [diff] [blame] | 1372 | err = flush_sample_queue(session, tool); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1373 | out_err: |
Namhyung Kim | a5580f3 | 2012-11-13 22:30:34 +0900 | [diff] [blame] | 1374 | ui_progress__finish(); |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1375 | perf_session__warn_about_errors(session, tool); |
Thomas Gleixner | 020bb75 | 2010-11-30 17:49:53 +0000 | [diff] [blame] | 1376 | perf_session_free_sample_buffers(session); |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1377 | session->one_mmap = false; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1378 | return err; |
| 1379 | } |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1380 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1381 | int perf_session__process_events(struct perf_session *session, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1382 | struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1383 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1384 | u64 size = perf_data_file__size(session->file); |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1385 | int err; |
| 1386 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1387 | if (perf_session__register_idle_thread(session) == NULL) |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1388 | return -ENOMEM; |
| 1389 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1390 | if (!perf_data_file__is_pipe(session->file)) |
| 1391 | err = __perf_session__process_events(session, |
| 1392 | session->header.data_offset, |
| 1393 | session->header.data_size, |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1394 | size, tool); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1395 | else |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1396 | err = __perf_session__process_pipe_events(session, tool); |
Dave Martin | 88ca895 | 2010-07-27 11:46:12 -0300 | [diff] [blame] | 1397 | |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1398 | return err; |
| 1399 | } |
| 1400 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 1401 | bool perf_session__has_traces(struct perf_session *session, const char *msg) |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1402 | { |
David Ahern | 93ea01c29 | 2013-08-07 22:50:58 -0400 | [diff] [blame] | 1403 | struct perf_evsel *evsel; |
| 1404 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1405 | evlist__for_each(session->evlist, evsel) { |
David Ahern | 93ea01c29 | 2013-08-07 22:50:58 -0400 | [diff] [blame] | 1406 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) |
| 1407 | return true; |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1408 | } |
| 1409 | |
David Ahern | 93ea01c29 | 2013-08-07 22:50:58 -0400 | [diff] [blame] | 1410 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
| 1411 | return false; |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1412 | } |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1413 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 1414 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, |
| 1415 | const char *symbol_name, u64 addr) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1416 | { |
| 1417 | char *bracket; |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 1418 | enum map_type i; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1419 | struct ref_reloc_sym *ref; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1420 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1421 | ref = zalloc(sizeof(struct ref_reloc_sym)); |
| 1422 | if (ref == NULL) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1423 | return -ENOMEM; |
| 1424 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1425 | ref->name = strdup(symbol_name); |
| 1426 | if (ref->name == NULL) { |
| 1427 | free(ref); |
| 1428 | return -ENOMEM; |
| 1429 | } |
| 1430 | |
| 1431 | bracket = strchr(ref->name, ']'); |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1432 | if (bracket) |
| 1433 | *bracket = '\0'; |
| 1434 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1435 | ref->addr = addr; |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 1436 | |
| 1437 | for (i = 0; i < MAP__NR_TYPES; ++i) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1438 | struct kmap *kmap = map__kmap(maps[i]); |
| 1439 | kmap->ref_reloc_sym = ref; |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 1440 | } |
| 1441 | |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1442 | return 0; |
| 1443 | } |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 1444 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1445 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp) |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 1446 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1447 | return machines__fprintf_dsos(&session->machines, fp); |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 1448 | } |
Arnaldo Carvalho de Melo | f869097 | 2010-05-19 13:41:23 -0300 | [diff] [blame] | 1449 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1450 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
Arnaldo Carvalho de Melo | 417c2ff | 2012-12-07 09:53:58 -0300 | [diff] [blame] | 1451 | bool (skip)(struct dso *dso, int parm), int parm) |
Arnaldo Carvalho de Melo | f869097 | 2010-05-19 13:41:23 -0300 | [diff] [blame] | 1452 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1453 | return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm); |
Arnaldo Carvalho de Melo | f869097 | 2010-05-19 13:41:23 -0300 | [diff] [blame] | 1454 | } |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 1455 | |
| 1456 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) |
| 1457 | { |
| 1458 | struct perf_evsel *pos; |
| 1459 | size_t ret = fprintf(fp, "Aggregated stats:\n"); |
| 1460 | |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 1461 | ret += events_stats__fprintf(&session->stats, fp); |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 1462 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1463 | evlist__for_each(session->evlist, pos) { |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 1464 | ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); |
Arnaldo Carvalho de Melo | 52168ee | 2012-12-18 16:02:17 -0300 | [diff] [blame] | 1465 | ret += events_stats__fprintf(&pos->hists.stats, fp); |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 1466 | } |
| 1467 | |
| 1468 | return ret; |
| 1469 | } |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1470 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1471 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp) |
| 1472 | { |
| 1473 | /* |
| 1474 | * FIXME: Here we have to actually print all the machines in this |
| 1475 | * session, not just the host... |
| 1476 | */ |
Arnaldo Carvalho de Melo | 876650e6 | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 1477 | return machine__fprintf(&session->machines.host, fp); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1478 | } |
| 1479 | |
David Ahern | 9cbdb70 | 2011-04-06 21:54:20 -0600 | [diff] [blame] | 1480 | struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, |
| 1481 | unsigned int type) |
| 1482 | { |
| 1483 | struct perf_evsel *pos; |
| 1484 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1485 | evlist__for_each(session->evlist, pos) { |
David Ahern | 9cbdb70 | 2011-04-06 21:54:20 -0600 | [diff] [blame] | 1486 | if (pos->attr.type == type) |
| 1487 | return pos; |
| 1488 | } |
| 1489 | return NULL; |
| 1490 | } |
| 1491 | |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1492 | void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample, |
Arnaldo Carvalho de Melo | cc22e57 | 2013-12-19 17:20:06 -0300 | [diff] [blame] | 1493 | struct addr_location *al, |
David Ahern | 307cbb9 | 2013-08-07 22:50:53 -0400 | [diff] [blame] | 1494 | unsigned int print_opts, unsigned int stack_depth) |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1495 | { |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1496 | struct callchain_cursor_node *node; |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1497 | int print_ip = print_opts & PRINT_IP_OPT_IP; |
| 1498 | int print_sym = print_opts & PRINT_IP_OPT_SYM; |
| 1499 | int print_dso = print_opts & PRINT_IP_OPT_DSO; |
| 1500 | int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET; |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1501 | int print_oneline = print_opts & PRINT_IP_OPT_ONELINE; |
Adrian Hunter | cc8fae1 | 2013-12-06 09:42:57 +0200 | [diff] [blame] | 1502 | int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE; |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1503 | char s = print_oneline ? ' ' : '\t'; |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1504 | |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1505 | if (symbol_conf.use_callchain && sample->callchain) { |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1506 | struct addr_location node_al; |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1507 | |
Arnaldo Carvalho de Melo | cc22e57 | 2013-12-19 17:20:06 -0300 | [diff] [blame] | 1508 | if (machine__resolve_callchain(al->machine, evsel, al->thread, |
Waiman Long | 91e9561 | 2013-10-18 10:38:48 -0400 | [diff] [blame] | 1509 | sample, NULL, NULL, |
| 1510 | PERF_MAX_STACK_DEPTH) != 0) { |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1511 | if (verbose) |
| 1512 | error("Failed to resolve callchain. Skipping\n"); |
| 1513 | return; |
| 1514 | } |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 1515 | callchain_cursor_commit(&callchain_cursor); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1516 | |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1517 | if (print_symoffset) |
| 1518 | node_al = *al; |
| 1519 | |
David Ahern | 307cbb9 | 2013-08-07 22:50:53 -0400 | [diff] [blame] | 1520 | while (stack_depth) { |
Adrian Hunter | a4eb24a | 2013-12-06 09:42:56 +0200 | [diff] [blame] | 1521 | u64 addr = 0; |
| 1522 | |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 1523 | node = callchain_cursor_current(&callchain_cursor); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1524 | if (!node) |
| 1525 | break; |
| 1526 | |
David Ahern | d2ff1b1 | 2013-11-18 13:32:44 -0700 | [diff] [blame] | 1527 | if (node->sym && node->sym->ignore) |
| 1528 | goto next; |
| 1529 | |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1530 | if (print_ip) |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1531 | printf("%c%16" PRIx64, s, node->ip); |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1532 | |
Adrian Hunter | a4eb24a | 2013-12-06 09:42:56 +0200 | [diff] [blame] | 1533 | if (node->map) |
| 1534 | addr = node->map->map_ip(node->map, node->ip); |
| 1535 | |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1536 | if (print_sym) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1537 | printf(" "); |
David Ahern | 251f426 | 2013-07-28 09:14:34 -0600 | [diff] [blame] | 1538 | if (print_symoffset) { |
Adrian Hunter | a4eb24a | 2013-12-06 09:42:56 +0200 | [diff] [blame] | 1539 | node_al.addr = addr; |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1540 | node_al.map = node->map; |
| 1541 | symbol__fprintf_symname_offs(node->sym, &node_al, stdout); |
David Ahern | 251f426 | 2013-07-28 09:14:34 -0600 | [diff] [blame] | 1542 | } else |
| 1543 | symbol__fprintf_symname(node->sym, stdout); |
David Ahern | 610723f | 2011-05-27 14:28:44 -0600 | [diff] [blame] | 1544 | } |
David Ahern | 251f426 | 2013-07-28 09:14:34 -0600 | [diff] [blame] | 1545 | |
David Ahern | 610723f | 2011-05-27 14:28:44 -0600 | [diff] [blame] | 1546 | if (print_dso) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1547 | printf(" ("); |
David Ahern | 52deff7 | 2012-05-29 22:58:26 -0600 | [diff] [blame] | 1548 | map__fprintf_dsoname(node->map, stdout); |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1549 | printf(")"); |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1550 | } |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1551 | |
Adrian Hunter | cc8fae1 | 2013-12-06 09:42:57 +0200 | [diff] [blame] | 1552 | if (print_srcline) |
| 1553 | map__fprintf_srcline(node->map, addr, "\n ", |
| 1554 | stdout); |
| 1555 | |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1556 | if (!print_oneline) |
| 1557 | printf("\n"); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1558 | |
David Ahern | 307cbb9 | 2013-08-07 22:50:53 -0400 | [diff] [blame] | 1559 | stack_depth--; |
David Ahern | d2ff1b1 | 2013-11-18 13:32:44 -0700 | [diff] [blame] | 1560 | next: |
| 1561 | callchain_cursor_advance(&callchain_cursor); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1562 | } |
| 1563 | |
| 1564 | } else { |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1565 | if (al->sym && al->sym->ignore) |
David Ahern | d2ff1b1 | 2013-11-18 13:32:44 -0700 | [diff] [blame] | 1566 | return; |
| 1567 | |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1568 | if (print_ip) |
| 1569 | printf("%16" PRIx64, sample->ip); |
| 1570 | |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1571 | if (print_sym) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1572 | printf(" "); |
Akihiro Nagai | a978f2a | 2012-01-30 13:43:15 +0900 | [diff] [blame] | 1573 | if (print_symoffset) |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1574 | symbol__fprintf_symname_offs(al->sym, al, |
Akihiro Nagai | a978f2a | 2012-01-30 13:43:15 +0900 | [diff] [blame] | 1575 | stdout); |
| 1576 | else |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1577 | symbol__fprintf_symname(al->sym, stdout); |
David Ahern | 610723f | 2011-05-27 14:28:44 -0600 | [diff] [blame] | 1578 | } |
| 1579 | |
| 1580 | if (print_dso) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1581 | printf(" ("); |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1582 | map__fprintf_dsoname(al->map, stdout); |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1583 | printf(")"); |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1584 | } |
Adrian Hunter | cc8fae1 | 2013-12-06 09:42:57 +0200 | [diff] [blame] | 1585 | |
| 1586 | if (print_srcline) |
| 1587 | map__fprintf_srcline(al->map, al->addr, "\n ", stdout); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1588 | } |
| 1589 | } |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1590 | |
| 1591 | int perf_session__cpu_bitmap(struct perf_session *session, |
| 1592 | const char *cpu_list, unsigned long *cpu_bitmap) |
| 1593 | { |
Stanislav Fomichev | 8bac41c | 2014-01-20 15:39:39 +0400 | [diff] [blame] | 1594 | int i, err = -1; |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1595 | struct cpu_map *map; |
| 1596 | |
| 1597 | for (i = 0; i < PERF_TYPE_MAX; ++i) { |
| 1598 | struct perf_evsel *evsel; |
| 1599 | |
| 1600 | evsel = perf_session__find_first_evtype(session, i); |
| 1601 | if (!evsel) |
| 1602 | continue; |
| 1603 | |
| 1604 | if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) { |
| 1605 | pr_err("File does not contain CPU events. " |
| 1606 | "Remove -c option to proceed.\n"); |
| 1607 | return -1; |
| 1608 | } |
| 1609 | } |
| 1610 | |
| 1611 | map = cpu_map__new(cpu_list); |
David Ahern | 47fbe53 | 2011-11-13 10:45:27 -0700 | [diff] [blame] | 1612 | if (map == NULL) { |
| 1613 | pr_err("Invalid cpu_list\n"); |
| 1614 | return -1; |
| 1615 | } |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1616 | |
| 1617 | for (i = 0; i < map->nr; i++) { |
| 1618 | int cpu = map->map[i]; |
| 1619 | |
| 1620 | if (cpu >= MAX_NR_CPUS) { |
| 1621 | pr_err("Requested CPU %d too large. " |
| 1622 | "Consider raising MAX_NR_CPUS\n", cpu); |
Stanislav Fomichev | 8bac41c | 2014-01-20 15:39:39 +0400 | [diff] [blame] | 1623 | goto out_delete_map; |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1624 | } |
| 1625 | |
| 1626 | set_bit(cpu, cpu_bitmap); |
| 1627 | } |
| 1628 | |
Stanislav Fomichev | 8bac41c | 2014-01-20 15:39:39 +0400 | [diff] [blame] | 1629 | err = 0; |
| 1630 | |
| 1631 | out_delete_map: |
| 1632 | cpu_map__delete(map); |
| 1633 | return err; |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1634 | } |
Stephane Eranian | fbe96f2 | 2011-09-30 15:40:40 +0200 | [diff] [blame] | 1635 | |
| 1636 | void perf_session__fprintf_info(struct perf_session *session, FILE *fp, |
| 1637 | bool full) |
| 1638 | { |
| 1639 | struct stat st; |
Masanari Iida | c5765ec | 2014-05-15 02:13:38 +0900 | [diff] [blame] | 1640 | int fd, ret; |
Stephane Eranian | fbe96f2 | 2011-09-30 15:40:40 +0200 | [diff] [blame] | 1641 | |
| 1642 | if (session == NULL || fp == NULL) |
| 1643 | return; |
| 1644 | |
Masanari Iida | c5765ec | 2014-05-15 02:13:38 +0900 | [diff] [blame] | 1645 | fd = perf_data_file__fd(session->file); |
| 1646 | |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1647 | ret = fstat(fd, &st); |
Stephane Eranian | fbe96f2 | 2011-09-30 15:40:40 +0200 | [diff] [blame] | 1648 | if (ret == -1) |
| 1649 | return; |
| 1650 | |
| 1651 | fprintf(fp, "# ========\n"); |
| 1652 | fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); |
| 1653 | perf_header__fprintf_info(session, fp, full); |
| 1654 | fprintf(fp, "# ========\n#\n"); |
| 1655 | } |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1656 | |
| 1657 | |
| 1658 | int __perf_session__set_tracepoints_handlers(struct perf_session *session, |
| 1659 | const struct perf_evsel_str_handler *assocs, |
| 1660 | size_t nr_assocs) |
| 1661 | { |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1662 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1663 | size_t i; |
| 1664 | int err; |
| 1665 | |
| 1666 | for (i = 0; i < nr_assocs; i++) { |
Arnaldo Carvalho de Melo | ccf53ea | 2013-09-06 15:19:01 -0300 | [diff] [blame] | 1667 | /* |
| 1668 | * Adding a handler for an event not in the session, |
| 1669 | * just ignore it. |
| 1670 | */ |
| 1671 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name); |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1672 | if (evsel == NULL) |
Arnaldo Carvalho de Melo | ccf53ea | 2013-09-06 15:19:01 -0300 | [diff] [blame] | 1673 | continue; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1674 | |
| 1675 | err = -EEXIST; |
Arnaldo Carvalho de Melo | 744a971 | 2013-11-06 10:17:38 -0300 | [diff] [blame] | 1676 | if (evsel->handler != NULL) |
Arnaldo Carvalho de Melo | ccf53ea | 2013-09-06 15:19:01 -0300 | [diff] [blame] | 1677 | goto out; |
Arnaldo Carvalho de Melo | 744a971 | 2013-11-06 10:17:38 -0300 | [diff] [blame] | 1678 | evsel->handler = assocs[i].handler; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1679 | } |
| 1680 | |
| 1681 | err = 0; |
| 1682 | out: |
| 1683 | return err; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1684 | } |