Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"A number of PMU driver corner case fixes, a race fix, an event
grouping fix, plus a bunch of tooling fixes/updates"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
perf/x86/intel: Fix spurious NMI on fixed counter
perf/core: Fix exclusive events' grouping
perf/x86/amd/uncore: Set the thread mask for F17h L3 PMCs
perf/x86/amd/uncore: Do not set 'ThreadMask' and 'SliceMask' for non-L3 PMCs
perf/core: Fix race between close() and fork()
perf intel-pt: Fix potential NULL pointer dereference found by the smatch tool
perf intel-bts: Fix potential NULL pointer dereference found by the smatch tool
perf script: Assume native_arch for pipe mode
perf scripts python: export-to-sqlite.py: Fix DROP VIEW power_events_view
perf scripts python: export-to-postgresql.py: Fix DROP VIEW power_events_view
perf hists browser: Fix potential NULL pointer dereference found by the smatch tool
perf cs-etm: Fix potential NULL pointer dereference found by the smatch tool
perf parse-events: Remove unused variable: error
perf parse-events: Remove unused variable 'i'
perf metricgroup: Add missing list_del_init() when flushing egroups list
perf tools: Use list_del_init() more thorougly
perf tools: Use zfree() where applicable
tools lib: Adopt zalloc()/zfree() from tools/perf
perf tools: Move get_current_dir_name() cond prototype out of util.h
perf namespaces: Move the conditional setns() prototype to namespaces.h
...
diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
index 85e6984..a6ea07f 100644
--- a/arch/x86/events/amd/uncore.c
+++ b/arch/x86/events/amd/uncore.c
@@ -202,15 +202,22 @@ static int amd_uncore_event_init(struct perf_event *event)
hwc->config = event->attr.config & AMD64_RAW_EVENT_MASK_NB;
hwc->idx = -1;
+ if (event->cpu < 0)
+ return -EINVAL;
+
/*
* SliceMask and ThreadMask need to be set for certain L3 events in
* Family 17h. For other events, the two fields do not affect the count.
*/
- if (l3_mask)
- hwc->config |= (AMD64_L3_SLICE_MASK | AMD64_L3_THREAD_MASK);
+ if (l3_mask && is_llc_event(event)) {
+ int thread = 2 * (cpu_data(event->cpu).cpu_core_id % 4);
- if (event->cpu < 0)
- return -EINVAL;
+ if (smp_num_siblings > 1)
+ thread += cpu_data(event->cpu).apicid & 1;
+
+ hwc->config |= (1ULL << (AMD64_L3_THREAD_SHIFT + thread) &
+ AMD64_L3_THREAD_MASK) | AMD64_L3_SLICE_MASK;
+ }
uncore = event_to_amd_uncore(event);
if (!uncore)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index bda450f..9e911a9 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -2161,12 +2161,10 @@ static void intel_pmu_disable_event(struct perf_event *event)
cpuc->intel_ctrl_host_mask &= ~(1ull << hwc->idx);
cpuc->intel_cp_status &= ~(1ull << hwc->idx);
- if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
+ if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL))
intel_pmu_disable_fixed(hwc);
- return;
- }
-
- x86_pmu_disable_event(event);
+ else
+ x86_pmu_disable_event(event);
/*
* Needs to be called after x86_pmu_disable_event,
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 16e38c2..e8ad3c5 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1055,6 +1055,11 @@ static inline int in_software_context(struct perf_event *event)
return event->ctx->pmu->task_ctx_nr == perf_sw_context;
}
+static inline int is_exclusive_pmu(struct pmu *pmu)
+{
+ return pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE;
+}
+
extern struct static_key perf_swevent_enabled[PERF_COUNT_SW_MAX];
extern void ___perf_sw_event(u32, u64, struct pt_regs *, u64);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 785d708..eea9d52 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2553,6 +2553,9 @@ static int __perf_install_in_context(void *info)
return ret;
}
+static bool exclusive_event_installable(struct perf_event *event,
+ struct perf_event_context *ctx);
+
/*
* Attach a performance event to a context.
*
@@ -2567,6 +2570,8 @@ perf_install_in_context(struct perf_event_context *ctx,
lockdep_assert_held(&ctx->mutex);
+ WARN_ON_ONCE(!exclusive_event_installable(event, ctx));
+
if (event->cpu != -1)
event->cpu = cpu;
@@ -4360,7 +4365,7 @@ static int exclusive_event_init(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
- if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
+ if (!is_exclusive_pmu(pmu))
return 0;
/*
@@ -4391,7 +4396,7 @@ static void exclusive_event_destroy(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
- if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
+ if (!is_exclusive_pmu(pmu))
return;
/* see comment in exclusive_event_init() */
@@ -4411,14 +4416,15 @@ static bool exclusive_event_match(struct perf_event *e1, struct perf_event *e2)
return false;
}
-/* Called under the same ctx::mutex as perf_install_in_context() */
static bool exclusive_event_installable(struct perf_event *event,
struct perf_event_context *ctx)
{
struct perf_event *iter_event;
struct pmu *pmu = event->pmu;
- if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
+ lockdep_assert_held(&ctx->mutex);
+
+ if (!is_exclusive_pmu(pmu))
return true;
list_for_each_entry(iter_event, &ctx->event_list, event_entry) {
@@ -4465,12 +4471,20 @@ static void _free_event(struct perf_event *event)
if (event->destroy)
event->destroy(event);
- if (event->ctx)
- put_ctx(event->ctx);
-
+ /*
+ * Must be after ->destroy(), due to uprobe_perf_close() using
+ * hw.target.
+ */
if (event->hw.target)
put_task_struct(event->hw.target);
+ /*
+ * perf_event_free_task() relies on put_ctx() being 'last', in particular
+ * all task references must be cleaned up.
+ */
+ if (event->ctx)
+ put_ctx(event->ctx);
+
exclusive_event_destroy(event);
module_put(event->pmu->module);
@@ -4650,8 +4664,17 @@ int perf_event_release_kernel(struct perf_event *event)
mutex_unlock(&event->child_mutex);
list_for_each_entry_safe(child, tmp, &free_list, child_list) {
+ void *var = &child->ctx->refcount;
+
list_del(&child->child_list);
free_event(child);
+
+ /*
+ * Wake any perf_event_free_task() waiting for this event to be
+ * freed.
+ */
+ smp_mb(); /* pairs with wait_var_event() */
+ wake_up_var(var);
}
no_ctx:
@@ -10930,11 +10953,6 @@ SYSCALL_DEFINE5(perf_event_open,
goto err_alloc;
}
- if ((pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE) && group_leader) {
- err = -EBUSY;
- goto err_context;
- }
-
/*
* Look up the group leader (we will attach this event to it):
*/
@@ -11022,6 +11040,18 @@ SYSCALL_DEFINE5(perf_event_open,
move_group = 0;
}
}
+
+ /*
+ * Failure to create exclusive events returns -EBUSY.
+ */
+ err = -EBUSY;
+ if (!exclusive_event_installable(group_leader, ctx))
+ goto err_locked;
+
+ for_each_sibling_event(sibling, group_leader) {
+ if (!exclusive_event_installable(sibling, ctx))
+ goto err_locked;
+ }
} else {
mutex_lock(&ctx->mutex);
}
@@ -11058,9 +11088,6 @@ SYSCALL_DEFINE5(perf_event_open,
* because we need to serialize with concurrent event creation.
*/
if (!exclusive_event_installable(event, ctx)) {
- /* exclusive and group stuff are assumed mutually exclusive */
- WARN_ON_ONCE(move_group);
-
err = -EBUSY;
goto err_locked;
}
@@ -11527,11 +11554,11 @@ static void perf_free_event(struct perf_event *event,
}
/*
- * Free an unexposed, unused context as created by inheritance by
- * perf_event_init_task below, used by fork() in case of fail.
+ * Free a context as created by inheritance by perf_event_init_task() below,
+ * used by fork() in case of fail.
*
- * Not all locks are strictly required, but take them anyway to be nice and
- * help out with the lockdep assertions.
+ * Even though the task has never lived, the context and events have been
+ * exposed through the child_list, so we must take care tearing it all down.
*/
void perf_event_free_task(struct task_struct *task)
{
@@ -11561,7 +11588,23 @@ void perf_event_free_task(struct task_struct *task)
perf_free_event(event, ctx);
mutex_unlock(&ctx->mutex);
- put_ctx(ctx);
+
+ /*
+ * perf_event_release_kernel() could've stolen some of our
+ * child events and still have them on its free_list. In that
+ * case we must wait for these events to have been freed (in
+ * particular all their references to this task must've been
+ * dropped).
+ *
+ * Without this copy_process() will unconditionally free this
+ * task (irrespective of its reference count) and
+ * _free_event()'s put_task_struct(event->hw.target) will be a
+ * use-after-free.
+ *
+ * Wait for all events to drop their context reference.
+ */
+ wait_var_event(&ctx->refcount, refcount_read(&ctx->refcount) == 1);
+ put_ctx(ctx); /* must be last */
}
}
diff --git a/tools/include/linux/zalloc.h b/tools/include/linux/zalloc.h
new file mode 100644
index 0000000..81099c8
--- /dev/null
+++ b/tools/include/linux/zalloc.h
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: LGPL-2.1
+#ifndef __TOOLS_LINUX_ZALLOC_H
+#define __TOOLS_LINUX_ZALLOC_H
+
+#include <stddef.h>
+
+void *zalloc(size_t size);
+void __zfree(void **ptr);
+
+#define zfree(ptr) __zfree((void **)(ptr))
+
+#endif // __TOOLS_LINUX_ZALLOC_H
diff --git a/tools/lib/zalloc.c b/tools/lib/zalloc.c
new file mode 100644
index 0000000..9c856d5
--- /dev/null
+++ b/tools/lib/zalloc.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: LGPL-2.1
+
+#include <stdlib.h>
+#include <linux/zalloc.h>
+
+void *zalloc(size_t size)
+{
+ return calloc(1, size);
+}
+
+void __zfree(void **ptr)
+{
+ free(*ptr);
+ *ptr = NULL;
+}
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 6a5de44..70f1ff4 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -18,3 +18,4 @@
tools/lib/bitmap.c
tools/lib/str_error_r.c
tools/lib/vsprintf.c
+tools/lib/zalloc.c
diff --git a/tools/perf/arch/arm/annotate/instructions.c b/tools/perf/arch/arm/annotate/instructions.c
index f64516d..c7d1a69 100644
--- a/tools/perf/arch/arm/annotate/instructions.c
+++ b/tools/perf/arch/arm/annotate/instructions.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
+#include <linux/zalloc.h>
#include <sys/types.h>
#include <regex.h>
diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c
index 1ce6bdb..0201474 100644
--- a/tools/perf/arch/arm/util/auxtrace.c
+++ b/tools/perf/arch/arm/util/auxtrace.c
@@ -6,6 +6,7 @@
#include <stdbool.h>
#include <linux/coresight-pmu.h>
+#include <linux/zalloc.h>
#include "../../util/auxtrace.h"
#include "../../util/evlist.h"
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 2b83cc8..4208974 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/log2.h>
#include <linux/types.h>
+#include <linux/zalloc.h>
#include "cs-etm.h"
#include "../../perf.h"
diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
index 5ccfce8..2c009aa 100644
--- a/tools/perf/arch/arm64/util/arm-spe.c
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -8,6 +8,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include <time.h>
#include "../../util/cpumap.h"
diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index f3824ca..1a9e22f 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -1,9 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
+#include <stdlib.h>
#include "common.h"
#include "../util/env.h"
-#include "../util/util.h"
#include "../util/debug.h"
+#include <linux/zalloc.h>
const char *const arc_triplets[] = {
"arc-linux-",
diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c
index 34d5134..f14102b 100644
--- a/tools/perf/arch/powerpc/util/perf_regs.c
+++ b/tools/perf/arch/powerpc/util/perf_regs.c
@@ -2,12 +2,14 @@
#include <errno.h>
#include <string.h>
#include <regex.h>
+#include <linux/zalloc.h>
#include "../../perf.h"
-#include "../../util/util.h"
#include "../../util/perf_regs.h"
#include "../../util/debug.h"
+#include <linux/kernel.h>
+
const struct sample_reg sample_reg_masks[] = {
SMPL_REG(r0, PERF_REG_POWERPC_R0),
SMPL_REG(r1, PERF_REG_POWERPC_R1),
diff --git a/tools/perf/arch/s390/util/auxtrace.c b/tools/perf/arch/s390/util/auxtrace.c
index 44c8573..0fe1be9 100644
--- a/tools/perf/arch/s390/util/auxtrace.c
+++ b/tools/perf/arch/s390/util/auxtrace.c
@@ -3,6 +3,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include "../../util/evlist.h"
#include "../../util/auxtrace.h"
diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c
index a258961..8b0b018 100644
--- a/tools/perf/arch/s390/util/header.c
+++ b/tools/perf/arch/s390/util/header.c
@@ -12,9 +12,10 @@
#include <stdio.h>
#include <string.h>
#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include "../../util/header.h"
-#include "../../util/util.h"
#define SYSINFO_MANU "Manufacturer:"
#define SYSINFO_TYPE "Type:"
diff --git a/tools/perf/arch/x86/util/event.c b/tools/perf/arch/x86/util/event.c
index 675a021..a3a0b68 100644
--- a/tools/perf/arch/x86/util/event.c
+++ b/tools/perf/arch/x86/util/event.c
@@ -1,11 +1,11 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include "../../util/machine.h"
#include "../../util/tool.h"
#include "../../util/map.h"
-#include "../../util/util.h"
#include "../../util/debug.h"
#if defined(__x86_64__)
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index e6d4d95..ec5c1bb 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -9,12 +9,12 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include "../../util/cpumap.h"
#include "../../util/evsel.h"
#include "../../util/evlist.h"
#include "../../util/session.h"
-#include "../../util/util.h"
#include "../../util/pmu.h"
#include "../../util/debug.h"
#include "../../util/tsc.h"
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 9804098..609088c 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -10,6 +10,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include <cpuid.h>
#include "../../perf.h"
@@ -25,7 +26,6 @@
#include "../../util/auxtrace.h"
#include "../../util/tsc.h"
#include "../../util/intel-pt.h"
-#include "../../util/util.h"
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index 3666c00..0d7b77f 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -2,9 +2,9 @@
#include <errno.h>
#include <string.h>
#include <regex.h>
+#include <linux/zalloc.h>
#include "../../perf.h"
-#include "../../util/util.h"
#include "../../util/perf_regs.h"
#include "../../util/debug.h"
diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c
index 9aa3a67..a807977 100644
--- a/tools/perf/bench/futex-hash.c
+++ b/tools/perf/bench/futex-hash.c
@@ -18,6 +18,7 @@
#include <stdlib.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <sys/time.h>
#include "../util/stat.h"
@@ -214,7 +215,7 @@ int bench_futex_hash(int argc, const char **argv)
&worker[i].futex[nfutexes-1], t);
}
- free(worker[i].futex);
+ zfree(&worker[i].futex);
}
print_summary();
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 8e9c475..d02330a 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -12,6 +12,7 @@
#include <subcmd/parse-options.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <errno.h>
#include "bench.h"
#include "futex.h"
@@ -217,7 +218,7 @@ int bench_futex_lock_pi(int argc, const char **argv)
worker[i].tid, worker[i].futex, t);
if (multi)
- free(worker[i].futex);
+ zfree(&worker[i].futex);
}
print_summary();
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index 0251dd3..64dc994 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -9,7 +9,6 @@
#include "debug.h"
#include "../perf.h"
-#include "../util/util.h"
#include <subcmd/parse-options.h>
#include "../util/header.h"
#include "../util/cloexec.h"
@@ -24,6 +23,7 @@
#include <sys/time.h>
#include <errno.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#define K 1024
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index a778455..a640ca7 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -11,7 +11,6 @@
#include "../perf.h"
#include "../builtin.h"
-#include "../util/util.h"
#include <subcmd/parse-options.h>
#include "../util/cloexec.h"
@@ -35,6 +34,7 @@
#include <linux/kernel.h>
#include <linux/time64.h>
#include <linux/numa.h>
+#include <linux/zalloc.h>
#include <numa.h>
#include <numaif.h>
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 77deb3a..e0aa14f 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -8,11 +8,11 @@
*/
#include "builtin.h"
-#include "util/util.h"
#include "util/color.h"
#include <linux/list.h>
#include "util/cache.h"
#include <linux/rbtree.h>
+#include <linux/zalloc.h>
#include "util/symbol.h"
#include "perf.h"
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 334c77f..b8e7c38 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -17,7 +17,6 @@
* epoll ... Event poll performance
*/
#include "perf.h"
-#include "util/util.h"
#include <subcmd/parse-options.h>
#include "builtin.h"
#include "bench/bench.h"
@@ -26,6 +25,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
+#include <linux/zalloc.h>
typedef int (*bench_fn_t)(int argc, const char **argv);
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 9e6cc86..e3776f5 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -15,9 +15,9 @@
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
+#include <linux/zalloc.h>
#include <asm/bug.h>
#include <sys/param.h>
-#include "util.h"
#include "debug.h"
#include "builtin.h"
#include <subcmd/parse-options.h>
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index d76f831..6c1284c 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -15,6 +15,7 @@
#include "util/debug.h"
#include "util/config.h"
#include <linux/string.h>
+#include <stdlib.h>
static bool use_system_config, use_user_config;
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index f924b46..f6f5dd1 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -16,12 +16,12 @@
#include "util/tool.h"
#include "util/sort.h"
#include "util/symbol.h"
-#include "util/util.h"
#include "util/data.h"
#include "util/config.h"
#include "util/time-utils.h"
#include "util/annotate.h"
#include "util/map.h"
+#include <linux/zalloc.h>
#include <errno.h>
#include <inttypes.h>
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index 9c228c5..66d5a66 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -431,7 +431,7 @@ static void delete_filter_func(struct list_head *head)
struct filter_entry *pos, *tmp;
list_for_each_entry_safe(pos, tmp, head, list) {
- list_del(&pos->list);
+ list_del_init(&pos->list);
free(pos);
}
}
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 3d29d05..a83af92 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -14,8 +14,10 @@
#include <subcmd/help.h>
#include "util/debug.h"
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <errno.h>
#include <stdio.h>
+#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 8e0e06d..f4591a1 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -224,7 +224,7 @@ static int perf_event__repipe_sample(struct perf_tool *tool,
struct perf_evsel *evsel,
struct machine *machine)
{
- if (evsel->handler) {
+ if (evsel && evsel->handler) {
inject_handler f = evsel->handler;
return f(tool, event, sample, evsel, machine);
}
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 9bd3829..9e5e608 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -4,7 +4,6 @@
#include "util/evlist.h"
#include "util/evsel.h"
-#include "util/util.h"
#include "util/config.h"
#include "util/map.h"
#include "util/symbol.h"
@@ -26,6 +25,7 @@
#include <linux/kernel.h>
#include <linux/rbtree.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include <errno.h>
#include <inttypes.h>
#include <locale.h>
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index dbb6f73..b33c834 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -5,7 +5,6 @@
#include "util/evsel.h"
#include "util/evlist.h"
#include "util/term.h"
-#include "util/util.h"
#include "util/cache.h"
#include "util/symbol.h"
#include "util/thread.h"
@@ -32,6 +31,7 @@
#include <linux/kernel.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include <errno.h>
#include <inttypes.h>
#include <poll.h>
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index b9810a8..574e30e 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -6,7 +6,6 @@
#include "util/evlist.h"
#include "util/evsel.h"
-#include "util/util.h"
#include "util/cache.h"
#include "util/symbol.h"
#include "util/thread.h"
@@ -30,6 +29,7 @@
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
static struct perf_session *session;
@@ -454,7 +454,7 @@ static int report_lock_acquire_event(struct perf_evsel *evsel,
/* broken lock sequence, discard it */
ls->discard = 1;
bad_hist[BROKEN_ACQUIRE]++;
- list_del(&seq->list);
+ list_del_init(&seq->list);
free(seq);
goto end;
default:
@@ -515,7 +515,7 @@ static int report_lock_acquired_event(struct perf_evsel *evsel,
/* broken lock sequence, discard it */
ls->discard = 1;
bad_hist[BROKEN_ACQUIRED]++;
- list_del(&seq->list);
+ list_del_init(&seq->list);
free(seq);
goto end;
default:
@@ -570,7 +570,7 @@ static int report_lock_contended_event(struct perf_evsel *evsel,
/* broken lock sequence, discard it */
ls->discard = 1;
bad_hist[BROKEN_CONTENDED]++;
- list_del(&seq->list);
+ list_del_init(&seq->list);
free(seq);
goto end;
default:
@@ -639,7 +639,7 @@ static int report_lock_release_event(struct perf_evsel *evsel,
ls->nr_release++;
free_seq:
- list_del(&seq->list);
+ list_del_init(&seq->list);
free(seq);
end:
return 0;
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 8bb124e..6418782 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -19,7 +19,6 @@
#include "perf.h"
#include "builtin.h"
#include "namespaces.h"
-#include "util/util.h"
#include "util/strlist.h"
#include "util/strfilter.h"
#include "util/symbol.h"
@@ -28,6 +27,7 @@
#include "util/probe-finder.h"
#include "util/probe-event.h"
#include "util/probe-file.h"
+#include <linux/zalloc.h>
#define DEFAULT_VAR_FILTER "!__k???tab_* & !__crc_*"
#define DEFAULT_FUNC_FILTER "!_*"
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index dca5599..8779cee 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -11,7 +11,6 @@
#include "perf.h"
#include "util/build-id.h"
-#include "util/util.h"
#include <subcmd/parse-options.h>
#include "util/parse-events.h"
#include "util/config.h"
@@ -54,6 +53,7 @@
#include <sys/mman.h>
#include <sys/wait.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
struct switch_output {
bool enabled;
@@ -1110,7 +1110,7 @@ record__switch_output(struct record *rec, bool at_exit)
rec->switch_output.cur_file = n;
if (rec->switch_output.filenames[n]) {
remove(rec->switch_output.filenames[n]);
- free(rec->switch_output.filenames[n]);
+ zfree(&rec->switch_output.filenames[n]);
}
rec->switch_output.filenames[n] = new_filename;
} else {
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index aef59f3..abf0b9b 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -8,7 +8,6 @@
*/
#include "builtin.h"
-#include "util/util.h"
#include "util/config.h"
#include "util/annotate.h"
@@ -16,6 +15,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
#include <linux/err.h>
+#include <linux/zalloc.h>
#include "util/map.h"
#include "util/symbol.h"
#include "util/callchain.h"
@@ -298,7 +298,7 @@ static int process_read_event(struct perf_tool *tool,
struct report *rep = container_of(tool, struct report, tool);
if (rep->show_threads) {
- const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
+ const char *name = perf_evsel__name(evsel);
int err = perf_read_values_add_value(&rep->show_threads_values,
event->read.pid, event->read.tid,
evsel->idx,
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 1519989..56d1907 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -2,7 +2,6 @@
#include "builtin.h"
#include "perf.h"
-#include "util/util.h"
#include "util/evlist.h"
#include "util/cache.h"
#include "util/evsel.h"
@@ -26,6 +25,7 @@
#include <linux/kernel.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <inttypes.h>
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 2f6232f..7936708 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -14,7 +14,6 @@
#include "util/symbol.h"
#include "util/thread.h"
#include "util/trace-event.h"
-#include "util/util.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/sort.h"
@@ -34,6 +33,7 @@
#include <linux/kernel.h>
#include <linux/stringify.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include <sys/utsname.h>
#include "asm/bug.h"
#include "util/mem-events.h"
@@ -3752,7 +3752,8 @@ int cmd_script(int argc, const char **argv)
goto out_delete;
uname(&uts);
- if (!strcmp(uts.machine, session->header.env.arch) ||
+ if (data.is_pipe || /* assume pipe_mode indicates native_arch */
+ !strcmp(uts.machine, session->header.env.arch) ||
(!strcmp(uts.machine, "x86_64") &&
!strcmp(session->header.env.arch, "i386")))
native_arch = true;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index e5e19b4..b55a534 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -43,7 +43,6 @@
#include "perf.h"
#include "builtin.h"
#include "util/cgroup.h"
-#include "util/util.h"
#include <subcmd/parse-options.h>
#include "util/parse-events.h"
#include "util/pmu.h"
@@ -67,6 +66,7 @@
#include "asm/bug.h"
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include <api/fs/fs.h>
#include <errno.h>
#include <signal.h>
@@ -1349,8 +1349,8 @@ static int add_default_attributes(void)
fprintf(stderr,
"Cannot set up top down events %s: %d\n",
str, err);
- free(str);
parse_events_print_error(&errinfo, str);
+ free(str);
return -1;
}
} else {
@@ -1586,7 +1586,7 @@ static void runtime_stat_delete(struct perf_stat_config *config)
for (i = 0; i < config->stats_num; i++)
runtime_stat__exit(&config->stats[i]);
- free(config->stats);
+ zfree(&config->stats);
}
static const char * const stat_report_usage[] = {
@@ -2003,7 +2003,7 @@ int cmd_stat(int argc, const char **argv)
perf_stat__exit_aggr_mode();
perf_evlist__free_stats(evsel_list);
out:
- free(stat_config.walltime_run);
+ zfree(&stat_config.walltime_run);
if (smi_cost && smi_reset)
sysfs__write_int(FREEZE_ON_SMI_PATH, 0);
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 145a196..4bde3fa 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -13,9 +13,6 @@
#include <traceevent/event-parse.h>
#include "builtin.h"
-
-#include "util/util.h"
-
#include "util/color.h"
#include <linux/list.h>
#include "util/cache.h"
@@ -24,6 +21,7 @@
#include <linux/kernel.h>
#include <linux/rbtree.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include "util/symbol.h"
#include "util/thread.h"
#include "util/callchain.h"
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 6d40a4e..b46b3c9 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -101,7 +101,7 @@ static void perf_top__resize(struct perf_top *top)
static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
{
- struct perf_evsel *evsel = hists_to_evsel(he->hists);
+ struct perf_evsel *evsel;
struct symbol *sym;
struct annotation *notes;
struct map *map;
@@ -110,6 +110,8 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
if (!he || !he->ms.sym)
return -1;
+ evsel = hists_to_evsel(he->hists);
+
sym = he->ms.sym;
map = he->ms.map;
@@ -226,7 +228,7 @@ static void perf_top__record_precise_ip(struct perf_top *top,
static void perf_top__show_details(struct perf_top *top)
{
struct hist_entry *he = top->sym_filter_entry;
- struct perf_evsel *evsel = hists_to_evsel(he->hists);
+ struct perf_evsel *evsel;
struct annotation *notes;
struct symbol *symbol;
int more;
@@ -234,6 +236,8 @@ static void perf_top__show_details(struct perf_top *top)
if (!he)
return;
+ evsel = hists_to_evsel(he->hists);
+
symbol = he->ms.sym;
notes = symbol__annotation(symbol);
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d0eb722..1aa2ed0 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -61,6 +61,7 @@
#include <linux/random.h>
#include <linux/stringify.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include <fcntl.h>
#include <sys/sysmacros.h>
@@ -1038,10 +1039,10 @@ static struct thread_trace *thread_trace__new(void)
{
struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace));
- if (ttrace)
+ if (ttrace) {
ttrace->files.max = -1;
-
- ttrace->syscall_stats = intlist__new(NULL);
+ ttrace->syscall_stats = intlist__new(NULL);
+ }
return ttrace;
}
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 2123b3c..97e2628 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -18,7 +18,6 @@
#include "util/bpf-loader.h"
#include "util/debug.h"
#include "util/event.h"
-#include "util/util.h"
#include <api/fs/fs.h>
#include <api/fs/tracing_path.h>
#include <errno.h>
@@ -30,6 +29,7 @@
#include <sys/stat.h>
#include <unistd.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
const char perf_usage_string[] =
"perf [--version] [--help] [OPTIONS] COMMAND [ARGS]";
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index 287a6f1..1a91a19 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -407,7 +407,7 @@ static void free_arch_std_events(void)
list_for_each_entry_safe(es, next, &arch_std_events, list) {
FOR_ALL_EVENT_STRUCT_FIELDS(FREE_EVENT_FIELD);
- list_del(&es->list);
+ list_del_init(&es->list);
free(es);
}
}
diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index 4447f0d..92713d9 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -898,11 +898,11 @@
if is_table_empty("ptwrite"):
drop("ptwrite")
if is_table_empty("mwait") and is_table_empty("pwre") and is_table_empty("exstop") and is_table_empty("pwrx"):
+ do_query(query, 'DROP VIEW power_events_view');
drop("mwait")
drop("pwre")
drop("exstop")
drop("pwrx")
- do_query(query, 'DROP VIEW power_events_view');
if is_table_empty("cbr"):
drop("cbr")
diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index 3222a83..021326c 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.py
@@ -608,11 +608,11 @@
if is_table_empty("ptwrite"):
drop("ptwrite")
if is_table_empty("mwait") and is_table_empty("pwre") and is_table_empty("exstop") and is_table_empty("pwrx"):
+ do_query(query, 'DROP VIEW power_events_view');
drop("mwait")
drop("pwre")
drop("exstop")
drop("pwrx")
- do_query(query, 'DROP VIEW power_events_view');
if is_table_empty("cbr"):
drop("cbr")
diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c
index 077c306..f33709a 100644
--- a/tools/perf/tests/dwarf-unwind.c
+++ b/tools/perf/tests/dwarf-unwind.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
#include <linux/types.h>
+#include <linux/zalloc.h>
#include <inttypes.h>
#include <unistd.h>
#include "tests.h"
@@ -115,8 +116,8 @@ noinline int test_dwarf_unwind__thread(struct thread *thread)
}
out:
- free(sample.user_stack.data);
- free(sample.user_regs.regs);
+ zfree(&sample.user_stack.data);
+ zfree(&sample.user_regs.regs);
return err;
}
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 9acc1e8..ee1d886 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -3,6 +3,7 @@
#include "util/expr.h"
#include "tests.h"
#include <stdlib.h>
+#include <linux/zalloc.h>
static int test(struct parse_ctx *ctx, const char *e, double val2)
{
@@ -58,7 +59,7 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
TEST_ASSERT_VAL("find other", other[3] == NULL);
for (i = 0; i < num_other; i++)
- free((void *)other[i]);
+ zfree(&other[i]);
free((void *)other);
return 0;
diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c
index a039f93..ca5a5f9 100644
--- a/tools/perf/tests/llvm.c
+++ b/tools/perf/tests/llvm.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
+#include <stdlib.h>
#include <bpf/libbpf.h>
#include <util/llvm-utils.h>
#include <util/cache.h>
diff --git a/tools/perf/tests/mem2node.c b/tools/perf/tests/mem2node.c
index d23ff1b..520cc91 100644
--- a/tools/perf/tests/mem2node.c
+++ b/tools/perf/tests/mem2node.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
#include <linux/bitmap.h>
+#include <linux/zalloc.h>
#include "cpumap.h"
#include "mem2node.h"
#include "tests.h"
@@ -67,7 +68,7 @@ int test__mem2node(struct test *t __maybe_unused, int subtest __maybe_unused)
T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
for (i = 0; i < ARRAY_SIZE(nodes); i++)
- free(nodes[i].set);
+ zfree(&nodes[i].set);
mem2node__exit(&map);
return 0;
diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c
index ba87e6e..0a4301a5 100644
--- a/tools/perf/tests/mmap-thread-lookup.c
+++ b/tools/perf/tests/mmap-thread-lookup.c
@@ -53,7 +53,7 @@ static void *thread_fn(void *arg)
{
struct thread_data *td = arg;
ssize_t ret;
- int go;
+ int go = 0;
if (thread_init(td))
return NULL;
diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 236ce0d..361714e 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdbool.h>
#include <inttypes.h>
+#include <stdlib.h>
#include <linux/bitops.h>
#include <linux/kernel.h>
#include <linux/types.h>
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index 9b5be51..6cdab5f 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -4,6 +4,7 @@
#include <errno.h>
#include <time.h>
#include <stdlib.h>
+#include <linux/zalloc.h>
#include "parse-events.h"
#include "evlist.h"
@@ -237,7 +238,7 @@ static void free_event_nodes(struct list_head *events)
while (!list_empty(events)) {
node = list_entry(events->next, struct event_node, list);
- list_del(&node->list);
+ list_del_init(&node->list);
free(node);
}
}
diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index 4de1939..ccc17ac 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -6,6 +6,7 @@
#include "tests.h"
#include "thread_map.h"
#include "debug.h"
+#include <linux/zalloc.h>
#define NAME (const char *) "perf"
#define NAMEUL (unsigned long) NAME
@@ -133,7 +134,7 @@ int test__thread_map_remove(struct test *test __maybe_unused, int subtest __mayb
thread_map__remove(threads, 0));
for (i = 0; i < threads->nr; i++)
- free(threads->map[i].comm);
+ zfree(&threads->map[i].comm);
free(threads);
return 0;
diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index f101576..5e8834f 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -3,6 +3,7 @@
#include <linux/rbtree.h>
#include <inttypes.h>
#include <string.h>
+#include <stdlib.h>
#include "map.h"
#include "symbol.h"
#include "util.h"
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 55ff05a..f80c51d 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#include "../util.h"
#include "../string2.h"
#include "../config.h"
#include "../../perf.h"
@@ -17,6 +16,7 @@
#include "keysyms.h"
#include "../color.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
static int ui_browser__percent_color(struct ui_browser *browser,
double percent, bool current)
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index aa5932e..dc14441 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <stdarg.h>
+#include <sys/types.h>
#define HE_COLORSET_TOP 50
#define HE_COLORSET_MEDIUM 51
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index b0d089a..e67880b 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#include "../../util/util.h"
#include "../browser.h"
#include "../helpline.h"
#include "../ui.h"
@@ -15,6 +14,7 @@
#include <pthread.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include <sys/ttydefaults.h>
#include <asm/bug.h>
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 33e67aa..a94eb07 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -9,6 +9,7 @@
#include <linux/string.h>
#include <sys/ttydefaults.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include "../../util/callchain.h"
#include "../../util/evsel.h"
@@ -18,7 +19,6 @@
#include "../../util/symbol.h"
#include "../../util/pstack.h"
#include "../../util/sort.h"
-#include "../../util/util.h"
#include "../../util/top.h"
#include "../../util/thread.h"
#include "../../arch/common.h"
@@ -639,7 +639,11 @@ int hist_browser__run(struct hist_browser *browser, const char *help,
switch (key) {
case K_TIMER: {
u64 nr_entries;
- hbt->timer(hbt->arg);
+
+ WARN_ON_ONCE(!hbt);
+
+ if (hbt)
+ hbt->timer(hbt->arg);
if (hist_browser__has_filter(browser) ||
symbol_conf.report_hierarchy)
@@ -2821,7 +2825,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
{
struct hists *hists = evsel__hists(evsel);
struct hist_browser *browser = perf_evsel_browser__new(evsel, hbt, env, annotation_opts);
- struct branch_info *bi;
+ struct branch_info *bi = NULL;
#define MAX_OPTIONS 16
char *options[MAX_OPTIONS];
struct popup_action actions[MAX_OPTIONS];
@@ -3087,7 +3091,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
goto skip_annotation;
if (sort__mode == SORT_MODE__BRANCH) {
- bi = browser->he_selection->branch_info;
+
+ if (browser->he_selection)
+ bi = browser->he_selection->branch_info;
if (bi == NULL)
goto skip_annotation;
@@ -3271,7 +3277,8 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
switch (key) {
case K_TIMER:
- hbt->timer(hbt->arg);
+ if (hbt)
+ hbt->timer(hbt->arg);
if (!menu->lost_events_warned &&
menu->lost_events &&
diff --git a/tools/perf/ui/browsers/map.c b/tools/perf/ui/browsers/map.c
index 5f6529c..4c545b9 100644
--- a/tools/perf/ui/browsers/map.c
+++ b/tools/perf/ui/browsers/map.c
@@ -2,6 +2,7 @@
#include <elf.h>
#include <inttypes.h>
#include <sys/ttydefaults.h>
+#include <stdlib.h>
#include <string.h>
#include <linux/bitops.h>
#include "../../util/util.h"
diff --git a/tools/perf/ui/browsers/res_sample.c b/tools/perf/ui/browsers/res_sample.c
index c0dd731..8aa3547 100644
--- a/tools/perf/ui/browsers/res_sample.c
+++ b/tools/perf/ui/browsers/res_sample.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Display a menu with individual samples to browse with perf script */
-#include "util.h"
#include "hist.h"
#include "evsel.h"
#include "hists.h"
@@ -8,6 +7,7 @@
#include "config.h"
#include "time-utils.h"
#include <linux/time64.h>
+#include <linux/zalloc.h>
static u64 context_len = 10 * NSEC_PER_MSEC;
@@ -46,14 +46,14 @@ int res_sample_browse(struct res_sample *res_samples, int num_res,
if (asprintf(&names[i], "%s: CPU %d tid %d", tbuf,
res_samples[i].cpu, res_samples[i].tid) < 0) {
while (--i >= 0)
- free(names[i]);
+ zfree(&names[i]);
free(names);
return -1;
}
}
choice = ui__popup_menu(num_res, names);
for (i = 0; i < num_res; i++)
- free(names[i]);
+ zfree(&names[i]);
free(names);
if (choice < 0 || choice >= num_res)
diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
index 27cf3ab..4d565cc 100644
--- a/tools/perf/ui/browsers/scripts.c
+++ b/tools/perf/ui/browsers/scripts.c
@@ -1,12 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
#include "../../util/sort.h"
-#include "../../util/util.h"
#include "../../util/hist.h"
#include "../../util/debug.h"
#include "../../util/symbol.h"
#include "../browser.h"
#include "../libslang.h"
#include "config.h"
+#include <linux/zalloc.h>
#define SCRIPT_NAMELEN 128
#define SCRIPT_MAX_NO 64
@@ -142,7 +142,7 @@ static int list_scripts(char *script_name, bool *custom,
out:
free(buf);
for (i = 0; i < max_std; i++)
- free(paths[i]);
+ zfree(&paths[i]);
return ret;
}
diff --git a/tools/perf/ui/gtk/annotate.c b/tools/perf/ui/gtk/annotate.c
index df49c9b..3af87c1 100644
--- a/tools/perf/ui/gtk/annotate.c
+++ b/tools/perf/ui/gtk/annotate.c
@@ -152,7 +152,7 @@ static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
gtk_container_add(GTK_CONTAINER(window), view);
list_for_each_entry_safe(pos, n, ¬es->src->source, al.node) {
- list_del(&pos->al.node);
+ list_del_init(&pos->al.node);
disasm_line__free(pos);
}
diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c
index 7250d81..c28bdb7 100644
--- a/tools/perf/ui/gtk/util.c
+++ b/tools/perf/ui/gtk/util.c
@@ -1,11 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
#include "../util.h"
-#include "../../util/util.h"
#include "../../util/debug.h"
#include "gtk.h"
#include <string.h>
-
+#include <linux/zalloc.h>
struct perf_gtk_context *pgctx;
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 89393c7..ee7ea6d 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -3,7 +3,6 @@
#include <linux/string.h>
#include "../../util/callchain.h"
-#include "../../util/util.h"
#include "../../util/hist.h"
#include "../../util/map.h"
#include "../../util/map_groups.h"
@@ -14,6 +13,7 @@
#include "../../util/string2.h"
#include "../../util/thread.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
{
diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index d4ac416..3ad0d33 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -2,6 +2,7 @@
#include <errno.h>
#include <signal.h>
#include <stdbool.h>
+#include <stdlib.h>
#include <linux/kernel.h>
#ifdef HAVE_BACKTRACE_SUPPORT
#include <execinfo.h>
diff --git a/tools/perf/ui/tui/util.c b/tools/perf/ui/tui/util.c
index b9794d6..fe5e571 100644
--- a/tools/perf/ui/tui/util.c
+++ b/tools/perf/ui/tui/util.c
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
-#include "../../util/util.h"
#include <signal.h>
#include <stdbool.h>
#include <string.h>
+#include <stdlib.h>
#include <sys/ttydefaults.h>
#include "../../util/cache.h"
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index d3408a4..d7e3b00 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -25,6 +25,7 @@
perf-y += libstring.o
perf-y += bitmap.o
perf-y += hweight.o
+perf-y += zalloc.o
perf-y += smt.o
perf-y += strbuf.o
perf-y += string.o
@@ -241,3 +242,7 @@
$(OUTPUT)util/vsprintf.o: ../lib/vsprintf.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
+
+$(OUTPUT)util/zalloc.o: ../lib/zalloc.c FORCE
+ $(call rule_mkdir)
+ $(call if_changed_dep,cc_o_c)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index ec7aaf3..ac9ad23 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1119,16 +1119,14 @@ static int disasm_line__parse(char *line, const char **namep, char **rawp)
*namep = strdup(name);
if (*namep == NULL)
- goto out_free_name;
+ goto out;
(*rawp)[0] = tmp;
*rawp = skip_spaces(*rawp);
return 0;
-out_free_name:
- free((void *)namep);
- *namep = NULL;
+out:
return -1;
}
@@ -1237,8 +1235,7 @@ void disasm_line__free(struct disasm_line *dl)
dl->ins.ops->free(&dl->ops);
else
ins__delete(&dl->ops);
- free((void *)dl->ins.name);
- dl->ins.name = NULL;
+ zfree(&dl->ins.name);
annotation_line__delete(&dl->al);
}
@@ -1589,7 +1586,7 @@ static void delete_last_nop(struct symbol *sym)
return;
}
- list_del(&dl->al.node);
+ list_del_init(&dl->al.node);
disasm_line__free(dl);
}
}
@@ -2466,7 +2463,7 @@ void annotated_source__purge(struct annotated_source *as)
struct annotation_line *al, *n;
list_for_each_entry_safe(al, n, &as->source, node) {
- list_del(&al->node);
+ list_del_init(&al->node);
disasm_line__free(disasm_line(al));
}
}
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 6067267..a314e5b 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -12,6 +12,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include "cpumap.h"
#include "color.h"
@@ -19,7 +20,6 @@
#include "evlist.h"
#include "machine.h"
#include "session.h"
-#include "util.h"
#include "thread.h"
#include "debug.h"
#include "auxtrace.h"
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index bc215fe..ec0af36 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -24,9 +24,9 @@
#include <stdlib.h>
#include <stdio.h>
#include <linux/list.h>
+#include <linux/zalloc.h>
#include "../perf.h"
-#include "util.h"
#include "evlist.h"
#include "dso.h"
#include "map.h"
@@ -408,7 +408,7 @@ void auxtrace_queues__free(struct auxtrace_queues *queues)
buffer = list_entry(queues->queue_array[i].head.next,
struct auxtrace_buffer, list);
- list_del(&buffer->list);
+ list_del_init(&buffer->list);
auxtrace_buffer__free(buffer);
}
}
@@ -612,7 +612,7 @@ void auxtrace_index__free(struct list_head *head)
struct auxtrace_index *auxtrace_index, *n;
list_for_each_entry_safe(auxtrace_index, n, head, list) {
- list_del(&auxtrace_index->list);
+ list_del_init(&auxtrace_index->list);
free(auxtrace_index);
}
}
@@ -1413,7 +1413,7 @@ void auxtrace_cache__free(struct auxtrace_cache *c)
return;
auxtrace_cache__drop(c);
- free(c->hashtable);
+ zfree(&c->hashtable);
free(c);
}
@@ -1459,12 +1459,11 @@ void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key)
static void addr_filter__free_str(struct addr_filter *filt)
{
- free(filt->str);
+ zfree(&filt->str);
filt->action = NULL;
filt->sym_from = NULL;
filt->sym_to = NULL;
filt->filename = NULL;
- filt->str = NULL;
}
static struct addr_filter *addr_filter__new(void)
diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index 251d9ea..c61974a 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -12,6 +12,7 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include <errno.h>
#include "perf.h"
#include "debug.h"
@@ -828,7 +829,7 @@ static void
bpf_map_op__delete(struct bpf_map_op *op)
{
if (!list_empty(&op->list))
- list_del(&op->list);
+ list_del_init(&op->list);
if (op->key_type == BPF_MAP_KEY_RANGES)
parse_events__clear_array(&op->k.array);
free(op);
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 89c6913..f1abfab 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -30,6 +30,7 @@
#include "strlist.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
static bool no_buildid_cache;
diff --git a/tools/perf/util/call-path.c b/tools/perf/util/call-path.c
index c5b9030..5c60b8b 100644
--- a/tools/perf/util/call-path.c
+++ b/tools/perf/util/call-path.c
@@ -6,8 +6,9 @@
#include <linux/rbtree.h>
#include <linux/list.h>
+#include <linux/zalloc.h>
+#include <stdlib.h>
-#include "util.h"
#include "call-path.h"
static void call_path__init(struct call_path *cp, struct call_path *parent,
@@ -39,7 +40,7 @@ void call_path_root__free(struct call_path_root *cpr)
struct call_path_block *pos, *n;
list_for_each_entry_safe(pos, n, &cpr->blocks, node) {
- list_del(&pos->node);
+ list_del_init(&pos->node);
free(pos);
}
free(cpr);
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index abb608b..8d7d8f6 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -16,11 +16,11 @@
#include <stdbool.h>
#include <errno.h>
#include <math.h>
+#include <linux/zalloc.h>
#include "asm/bug.h"
#include "hist.h"
-#include "util.h"
#include "sort.h"
#include "machine.h"
#include "map.h"
@@ -636,7 +636,7 @@ add_child(struct callchain_node *parent,
struct callchain_list *call, *tmp;
list_for_each_entry_safe(call, tmp, &new->val, list) {
- list_del(&call->list);
+ list_del_init(&call->list);
map__zput(call->ms.map);
free(call);
}
@@ -1002,7 +1002,7 @@ merge_chain_branch(struct callchain_cursor *cursor,
callchain_cursor_append(cursor, list->ip,
list->ms.map, list->ms.sym,
false, NULL, 0, 0, 0, list->srcline);
- list_del(&list->list);
+ list_del_init(&list->list);
map__zput(list->ms.map);
free(list);
}
@@ -1453,13 +1453,13 @@ static void free_callchain_node(struct callchain_node *node)
struct rb_node *n;
list_for_each_entry_safe(list, tmp, &node->parent_val, list) {
- list_del(&list->list);
+ list_del_init(&list->list);
map__zput(list->ms.map);
free(list);
}
list_for_each_entry_safe(list, tmp, &node->val, list) {
- list_del(&list->list);
+ list_del_init(&list->list);
map__zput(list->ms.map);
free(list);
}
@@ -1544,7 +1544,7 @@ int callchain_node__make_parent_list(struct callchain_node *node)
out:
list_for_each_entry_safe(chain, new, &head, list) {
- list_del(&chain->list);
+ list_del_init(&chain->list);
map__zput(chain->ms.map);
free(chain);
}
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index ccd0263..484c298 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -1,11 +1,11 @@
// SPDX-License-Identifier: GPL-2.0
-#include "util.h"
#include "../perf.h"
#include <subcmd/parse-options.h>
#include "evsel.h"
#include "cgroup.h"
#include "evlist.h"
#include <linux/stringify.h>
+#include <linux/zalloc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -124,7 +124,7 @@ static struct cgroup *cgroup__new(const char *name)
return cgroup;
out_free_name:
- free(cgroup->name);
+ zfree(&cgroup->name);
out_err:
free(cgroup);
return NULL;
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index 1066de9..afb8d4fd 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -1,12 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
#include "comm.h"
-#include "util.h"
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <linux/refcount.h>
#include <linux/rbtree.h>
+#include <linux/zalloc.h>
#include "rwsem.h"
struct comm_str {
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 752cce8..042ffbc 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -11,7 +11,6 @@
*/
#include <errno.h>
#include <sys/param.h>
-#include "util.h"
#include "cache.h"
#include "callchain.h"
#include <subcmd/exec-cmd.h>
@@ -23,7 +22,7 @@
#include <sys/stat.h>
#include <unistd.h>
#include <linux/string.h>
-
+#include <linux/zalloc.h>
#include <linux/ctype.h>
#define MAXNAME (256)
diff --git a/tools/perf/util/counts.c b/tools/perf/util/counts.c
index 03032b4..88be9c4 100644
--- a/tools/perf/util/counts.c
+++ b/tools/perf/util/counts.c
@@ -3,7 +3,7 @@
#include <stdlib.h>
#include "evsel.h"
#include "counts.h"
-#include "util.h"
+#include <linux/zalloc.h>
struct perf_counts *perf_counts__new(int ncpus, int nthreads)
{
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 0d8fbed..3acfbe3 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#include "util.h"
#include <api/fs/fs.h>
#include "../perf.h"
#include "cpumap.h"
@@ -11,6 +10,7 @@
#include "asm/bug.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
static int max_cpu_num;
static int max_present_cpu_num;
diff --git a/tools/perf/util/cputopo.c b/tools/perf/util/cputopo.c
index 26e73a4b..64336a2 100644
--- a/tools/perf/util/cputopo.c
+++ b/tools/perf/util/cputopo.c
@@ -2,11 +2,12 @@
#include <sys/param.h>
#include <sys/utsname.h>
#include <inttypes.h>
+#include <stdlib.h>
#include <api/fs/fs.h>
+#include <linux/zalloc.h>
#include "cputopo.h"
#include "cpumap.h"
-#include "util.h"
#include "env.h"
#define CORE_SIB_FMT \
@@ -343,7 +344,7 @@ void numa_topology__delete(struct numa_topology *tp)
u32 i;
for (i = 0; i < tp->nr; i++)
- free(tp->nodes[i].cpus);
+ zfree(&tp->nodes[i].cpus);
free(tp);
}
diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index bb45e23..37d7c49 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -8,6 +8,7 @@
#include <linux/err.h>
#include <linux/list.h>
+#include <linux/zalloc.h>
#include <stdlib.h>
#include <opencsd/c_api/opencsd_c_api.h>
#include <opencsd/etmv4/trc_pkt_types_etmv4.h>
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 0c7776b..67b88b5 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/log2.h>
#include <linux/types.h>
+#include <linux/zalloc.h>
#include <opencsd/ocsd_if_types.h>
#include <stdlib.h>
@@ -554,8 +555,7 @@ static void cs_etm__free_traceid_queues(struct cs_etm_queue *etmq)
etmq->traceid_queues_list = NULL;
/* finally free the traceid_queues array */
- free(etmq->traceid_queues);
- etmq->traceid_queues = NULL;
+ zfree(&etmq->traceid_queues);
}
static void cs_etm__free_queue(void *priv)
@@ -2538,7 +2538,7 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
return 0;
}
- if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
+ if (session->itrace_synth_opts->set) {
etm->synth_opts = *session->itrace_synth_opts;
} else {
itrace_synth_opts__set_default(&etm->synth_opts,
@@ -2568,7 +2568,7 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
err_free_metadata:
/* No need to check @metadata[j], free(NULL) is supported */
for (j = 0; j < num_cpu; j++)
- free(metadata[j]);
+ zfree(&metadata[j]);
zfree(&metadata);
err_free_traceid_list:
intlist__delete(traceid_list);
diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 7b06e73..ddbcd59 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -10,6 +10,7 @@
#include <inttypes.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <babeltrace/ctf-writer/writer.h>
#include <babeltrace/ctf-writer/clock.h>
#include <babeltrace/ctf-writer/stream.h>
@@ -22,7 +23,6 @@
#include "asm/bug.h"
#include "data-convert-bt.h"
#include "session.h"
-#include "util.h"
#include "debug.h"
#include "tool.h"
#include "evlist.h"
@@ -1353,7 +1353,7 @@ static void free_streams(struct ctf_writer *cw)
for (cpu = 0; cpu < cw->stream_cnt; cpu++)
ctf_stream__delete(cw->stream[cpu]);
- free(cw->stream);
+ zfree(&cw->stream);
}
static int ctf_writer__setup_env(struct ctf_writer *cw,
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 6a64f71..1d1b97a 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
@@ -20,7 +21,7 @@ static void close_dir(struct perf_data_file *files, int nr)
{
while (--nr >= 1) {
close(files[nr].fd);
- free(files[nr].path);
+ zfree(&files[nr].path);
}
free(files);
}
diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index 2182f55..2394c75 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -5,6 +5,7 @@
*/
#include <errno.h>
+#include <stdlib.h>
#include "evsel.h"
#include "machine.h"
@@ -13,11 +14,11 @@
#include "symbol.h"
#include "map.h"
#include "event.h"
-#include "util.h"
#include "thread-stack.h"
#include "callchain.h"
#include "call-path.h"
#include "db-export.h"
+#include <linux/zalloc.h>
struct deferred_export {
struct list_head node;
@@ -33,7 +34,7 @@ static int db_export__deferred(struct db_export *dbe)
de = list_entry(dbe->deferred.next, struct deferred_export,
node);
err = dbe->export_comm(dbe, de->comm);
- list_del(&de->node);
+ list_del_init(&de->node);
free(de);
if (err)
return err;
@@ -49,7 +50,7 @@ static void db_export__free_deferred(struct db_export *dbe)
while (!list_empty(&dbe->deferred)) {
de = list_entry(dbe->deferred.next, struct deferred_export,
node);
- list_del(&de->node);
+ list_del_init(&de->node);
free(de);
}
}
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index 3cc5783..3780fe4 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -7,6 +7,7 @@
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
+#include <stdlib.h>
#include <sys/wait.h>
#include <api/debug.h>
#include <linux/time64.h>
diff --git a/tools/perf/util/demangle-java.c b/tools/perf/util/demangle-java.c
index 5b4900d..763328c 100644
--- a/tools/perf/util/demangle-java.c
+++ b/tools/perf/util/demangle-java.c
@@ -1,14 +1,15 @@
// SPDX-License-Identifier: GPL-2.0
#include <sys/types.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include "util.h"
#include "debug.h"
#include "symbol.h"
#include "demangle-java.h"
#include <linux/ctype.h>
+#include <linux/kernel.h>
enum {
MODE_PREFIX = 0,
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index c7fde04..ebc9d46 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -2,6 +2,7 @@
#include <asm/bug.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
@@ -21,7 +22,7 @@
#include "dso.h"
#include "machine.h"
#include "auxtrace.h"
-#include "util.h"
+#include "util.h" /* O_CLOEXEC for older systems */
#include "debug.h"
#include "string2.h"
#include "vdso.h"
@@ -433,7 +434,7 @@ static void dso__list_add(struct dso *dso)
static void dso__list_del(struct dso *dso)
{
- list_del(&dso->data.open_entry);
+ list_del_init(&dso->data.open_entry);
WARN_ONCE(dso__data_open_cnt <= 0,
"DSO data fd counter out of bounds.");
dso__data_open_cnt--;
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index 218bfea..03b2de1 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -6,7 +6,7 @@
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
-#include "util.h"
+#include <stdlib.h>
#include "debug.h"
#include "dwarf-aux.h"
#include "string2.h"
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 22eee89..9909ec4 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -2,11 +2,12 @@
#include "cpumap.h"
#include "env.h"
#include <linux/ctype.h>
-#include "util.h"
+#include <linux/zalloc.h>
#include "bpf-event.h"
#include <errno.h>
#include <sys/utsname.h>
#include <bpf/libbpf.h>
+#include <stdlib.h>
struct perf_env perf_env;
@@ -186,7 +187,7 @@ void perf_env__exit(struct perf_env *env)
zfree(&env->caches);
for (i = 0; i < env->nr_memory_nodes; i++)
- free(env->memory_nodes[i].set);
+ zfree(&env->memory_nodes[i].set);
zfree(&env->memory_nodes);
}
@@ -286,9 +287,9 @@ int perf_env__nr_cpus_avail(struct perf_env *env)
void cpu_cache_level__free(struct cpu_cache_level *cache)
{
- free(cache->type);
- free(cache->map);
- free(cache->size);
+ zfree(&cache->type);
+ zfree(&cache->map);
+ zfree(&cache->size);
}
/*
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index e1d0c5b..f1f4848 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -11,6 +11,7 @@
#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
#include <api/fs/fs.h>
#include <linux/perf_event.h>
+#include <linux/zalloc.h>
#include "event.h"
#include "debug.h"
#include "hist.h"
@@ -855,7 +856,7 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
free(synthesize_threads);
free_dirent:
for (i = 0; i < n; i++)
- free(dirent[i]);
+ zfree(&dirent[i]);
free(dirent);
return err;
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index a474ede..b0364d9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -5,7 +5,6 @@
* Parts came from builtin-{top,stat,record}.c, see those files for further
* copyright notes.
*/
-#include "util.h"
#include <api/fs/fs.h>
#include <errno.h>
#include <inttypes.h>
@@ -33,6 +32,7 @@
#include <linux/hash.h>
#include <linux/log2.h>
#include <linux/err.h>
+#include <linux/zalloc.h>
#ifdef LACKS_SIGQUEUE_PROTOTYPE
int sigqueue(pid_t pid, int sig, const union sigval value);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 7fb4ae8..ebb46da 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -17,6 +17,7 @@
#include <linux/perf_event.h>
#include <linux/compiler.h>
#include <linux/err.h>
+#include <linux/zalloc.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/types.h>
@@ -27,7 +28,6 @@
#include "event.h"
#include "evsel.h"
#include "evlist.h"
-#include "util.h"
#include "cpumap.h"
#include "thread_map.h"
#include "target.h"
@@ -1298,7 +1298,7 @@ static void perf_evsel__free_config_terms(struct perf_evsel *evsel)
struct perf_evsel_config_term *term, *h;
list_for_each_entry_safe(term, h, &evsel->config_terms, list) {
- list_del(&term->list);
+ list_del_init(&term->list);
free(term);
}
}
diff --git a/tools/perf/util/get_current_dir_name.c b/tools/perf/util/get_current_dir_name.c
index 267aa60..01f32f2 100644
--- a/tools/perf/util/get_current_dir_name.c
+++ b/tools/perf/util/get_current_dir_name.c
@@ -1,8 +1,8 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+// SPDX-License-Identifier: LGPL-2.1
+// Copyright (C) 2018, 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
//
#ifndef HAVE_GET_CURRENT_DIR_NAME
-#include "util.h"
+#include "get_current_dir_name.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdlib.h>
diff --git a/tools/perf/util/get_current_dir_name.h b/tools/perf/util/get_current_dir_name.h
new file mode 100644
index 0000000..69f7d55
--- /dev/null
+++ b/tools/perf/util/get_current_dir_name.h
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1
+// Copyright (C) 2018, 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+//
+#ifndef __PERF_GET_CURRENT_DIR_NAME_H
+#ifndef HAVE_GET_CURRENT_DIR_NAME
+char *get_current_dir_name(void);
+#endif // HAVE_GET_CURRENT_DIR_NAME
+#endif // __PERF_GET_CURRENT_DIR_NAME_H
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 6a93ff5..c24db7f 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <inttypes.h>
-#include "util.h"
#include "string2.h"
#include <sys/param.h>
#include <sys/types.h>
@@ -15,6 +14,7 @@
#include <linux/bitops.h>
#include <linux/string.h>
#include <linux/stringify.h>
+#include <linux/zalloc.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <linux/time64.h>
@@ -1052,7 +1052,7 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev
scnprintf(file, PATH_MAX, "%s/size", path);
if (sysfs__read_str(file, &cache->size, &len)) {
- free(cache->type);
+ zfree(&cache->type);
return -1;
}
@@ -1061,8 +1061,8 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev
scnprintf(file, PATH_MAX, "%s/shared_cpu_list", path);
if (sysfs__read_str(file, &cache->map, &len)) {
- free(cache->map);
- free(cache->type);
+ zfree(&cache->map);
+ zfree(&cache->type);
return -1;
}
diff --git a/tools/perf/util/help-unknown-cmd.c b/tools/perf/util/help-unknown-cmd.c
index 4f07a5b..ab9e161 100644
--- a/tools/perf/util/help-unknown-cmd.c
+++ b/tools/perf/util/help-unknown-cmd.c
@@ -3,9 +3,11 @@
#include "config.h"
#include <poll.h>
#include <stdio.h>
+#include <stdlib.h>
#include <subcmd/help.h>
#include "../builtin.h"
#include "levenshtein.h"
+#include <linux/zalloc.h>
static int autocorrect;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 27cecb5..f24fd195 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
#include "callchain.h"
-#include "util.h"
#include "build-id.h"
#include "hist.h"
#include "map.h"
@@ -20,6 +19,7 @@
#include <inttypes.h>
#include <sys/param.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
static bool hists__filter_entry_by_dso(struct hists *hists,
struct hist_entry *he);
@@ -472,16 +472,16 @@ static int hist_entry__init(struct hist_entry *he,
return 0;
err_srcline:
- free(he->srcline);
+ zfree(&he->srcline);
err_rawdata:
- free(he->raw_data);
+ zfree(&he->raw_data);
err_infos:
if (he->branch_info) {
map__put(he->branch_info->from.map);
map__put(he->branch_info->to.map);
- free(he->branch_info);
+ zfree(&he->branch_info);
}
if (he->mem_info) {
map__put(he->mem_info->iaddr.map);
@@ -489,7 +489,7 @@ static int hist_entry__init(struct hist_entry *he,
}
err:
map__zput(he->ms.map);
- free(he->stat_acc);
+ zfree(&he->stat_acc);
return -ENOMEM;
}
@@ -1254,10 +1254,10 @@ void hist_entry__delete(struct hist_entry *he)
zfree(&he->stat_acc);
free_srcline(he->srcline);
if (he->srcfile && he->srcfile[0])
- free(he->srcfile);
+ zfree(&he->srcfile);
free_callchain(he->callchain);
- free(he->trace_output);
- free(he->raw_data);
+ zfree(&he->trace_output);
+ zfree(&he->raw_data);
ops->free(he);
}
@@ -2741,10 +2741,10 @@ static void hists_evsel__exit(struct perf_evsel *evsel)
list_for_each_entry_safe(node, tmp, &hists->hpp_formats, list) {
perf_hpp_list__for_each_format_safe(&node->hpp, fmt, pos) {
- list_del(&fmt->list);
+ list_del_init(&fmt->list);
free(fmt);
}
- list_del(&node->list);
+ list_del_init(&node->list);
free(node);
}
}
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index e32dbff..5560e95 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -12,6 +12,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include "cpumap.h"
#include "color.h"
@@ -21,7 +22,6 @@
#include "map.h"
#include "symbol.h"
#include "session.h"
-#include "util.h"
#include "thread.h"
#include "thread-stack.h"
#include "debug.h"
@@ -891,13 +891,12 @@ int intel_bts_process_auxtrace_info(union perf_event *event,
if (dump_trace)
return 0;
- if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
+ if (session->itrace_synth_opts->set) {
bts->synth_opts = *session->itrace_synth_opts;
} else {
itrace_synth_opts__set_default(&bts->synth_opts,
session->itrace_synth_opts->default_no_sample);
- if (session->itrace_synth_opts)
- bts->synth_opts.thread_stack =
+ bts->synth_opts.thread_stack =
session->itrace_synth_opts->thread_stack;
}
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 4d14e78..3bfdf2b 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -14,9 +14,9 @@
#include <stdint.h>
#include <inttypes.h>
#include <linux/compiler.h>
+#include <linux/zalloc.h>
#include "../cache.h"
-#include "../util.h"
#include "../auxtrace.h"
#include "intel-pt-insn-decoder.h"
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 470aaae..df06159 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -10,6 +10,7 @@
#include <errno.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <linux/zalloc.h>
#include "../perf.h"
#include "session.h"
@@ -22,7 +23,6 @@
#include "evsel.h"
#include "map.h"
#include "color.h"
-#include "util.h"
#include "thread.h"
#include "thread-stack.h"
#include "symbol.h"
@@ -3210,7 +3210,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
goto err_delete_thread;
}
- if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
+ if (session->itrace_synth_opts->set) {
pt->synth_opts = *session->itrace_synth_opts;
} else {
itrace_synth_opts__set_default(&pt->synth_opts,
@@ -3220,8 +3220,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
pt->synth_opts.branches = false;
pt->synth_opts.callchain = true;
}
- if (session->itrace_synth_opts)
- pt->synth_opts.thread_stack =
+ pt->synth_opts.thread_stack =
session->itrace_synth_opts->thread_stack;
}
@@ -3241,11 +3240,9 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
pt->cbr2khz = tsc_freq / pt->max_non_turbo_ratio / 1000;
}
- if (session->itrace_synth_opts) {
- err = intel_pt_setup_time_ranges(pt, session->itrace_synth_opts);
- if (err)
- goto err_delete_thread;
- }
+ err = intel_pt_setup_time_ranges(pt, session->itrace_synth_opts);
+ if (err)
+ goto err_delete_thread;
if (pt->synth_opts.calls)
pt->branches_filter |= PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index 28908af..18c34f0 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -29,6 +29,7 @@
#include "../builtin.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
struct jit_buf_desc {
struct perf_data *output;
@@ -431,14 +432,12 @@ static int jit_repipe_code_load(struct jit_buf_desc *jd, union jr_entry *jr)
jd->unwinding_data, jd->eh_frame_hdr_size, jd->unwinding_size);
if (jd->debug_data && jd->nr_debug_entries) {
- free(jd->debug_data);
- jd->debug_data = NULL;
+ zfree(&jd->debug_data);
jd->nr_debug_entries = 0;
}
if (jd->unwinding_data && jd->eh_frame_hdr_size) {
- free(jd->unwinding_data);
- jd->unwinding_data = NULL;
+ zfree(&jd->unwinding_data);
jd->eh_frame_hdr_size = 0;
jd->unwinding_mapped_size = 0;
jd->unwinding_size = 0;
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index 5b0b60f0..9f0470e 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -9,6 +9,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <linux/err.h>
+#include <linux/zalloc.h>
#include "debug.h"
#include "llvm-utils.h"
#include "config.h"
@@ -352,8 +353,7 @@ void llvm__get_kbuild_opts(char **kbuild_dir, char **kbuild_include_opts)
" \toption in [llvm] to \"\" to suppress this detection.\n\n",
*kbuild_dir);
- free(*kbuild_dir);
- *kbuild_dir = NULL;
+ zfree(kbuild_dir);
goto errout;
}
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 147ed85..cf826ec 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -15,7 +15,6 @@
#include "strlist.h"
#include "thread.h"
#include "vdso.h"
-#include "util.h"
#include <stdbool.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -28,6 +27,7 @@
#include <linux/ctype.h>
#include <symbol/kallsyms.h>
#include <linux/mman.h>
+#include <linux/zalloc.h>
static void __machine__remove_thread(struct machine *machine, struct thread *th, bool lock);
@@ -810,7 +810,7 @@ struct map *machine__findnew_module_map(struct machine *machine, u64 start,
out:
/* put the dso here, corresponding to machine__findnew_module_dso */
dso__put(dso);
- free(m.name);
+ zfree(&m.name);
return map;
}
@@ -1350,7 +1350,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg,
if (m.kmod)
ret = map_groups__set_module_path(mg, path, &m);
- free(m.name);
+ zfree(&m.name);
if (ret)
goto out;
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 6fce983c..668410b 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -12,10 +12,10 @@
#include "thread.h"
#include "vdso.h"
#include "build-id.h"
-#include "util.h"
#include "debug.h"
#include "machine.h"
#include <linux/string.h>
+#include <linux/zalloc.h>
#include "srcline.h"
#include "namespaces.h"
#include "unwind.h"
@@ -476,8 +476,11 @@ int map__fprintf_srccode(struct map *map, u64 addr,
goto out_free_line;
ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
- state->srcfile = srcfile;
- state->line = line;
+
+ if (state) {
+ state->srcfile = srcfile;
+ state->line = line;
+ }
return ret;
out_free_line:
diff --git a/tools/perf/util/mem2node.c b/tools/perf/util/mem2node.c
index c6fd81c..cacc2fc 100644
--- a/tools/perf/util/mem2node.c
+++ b/tools/perf/util/mem2node.c
@@ -1,8 +1,8 @@
#include <errno.h>
#include <inttypes.h>
#include <linux/bitmap.h>
+#include <linux/zalloc.h>
#include "mem2node.h"
-#include "util.h"
struct phys_entry {
struct rb_node rb_node;
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index d816457..416a901 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -18,6 +18,7 @@
#include "strlist.h"
#include <assert.h>
#include <linux/ctype.h>
+#include <linux/zalloc.h>
struct metric_event *metricgroup__lookup(struct rblist *metric_events,
struct perf_evsel *evsel,
@@ -235,7 +236,7 @@ static struct rb_node *mep_new(struct rblist *rl __maybe_unused,
goto out_name;
return &me->nd;
out_name:
- free((char *)me->name);
+ zfree(&me->name);
out_me:
free(me);
return NULL;
@@ -263,7 +264,7 @@ static void mep_delete(struct rblist *rl __maybe_unused,
struct mep *me = container_of(nd, struct mep, nd);
strlist__delete(me->metrics);
- free((void *)me->name);
+ zfree(&me->name);
free(me);
}
@@ -489,8 +490,9 @@ static void metricgroup__free_egroups(struct list_head *group_list)
list_for_each_entry_safe (eg, egtmp, group_list, nd) {
for (i = 0; i < eg->idnum; i++)
- free((char *)eg->ids[i]);
- free(eg->ids);
+ zfree(&eg->ids[i]);
+ zfree(&eg->ids);
+ list_del_init(&eg->nd);
free(eg);
}
}
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 768c632..9f0b639 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -9,6 +9,7 @@
#include <sys/mman.h>
#include <inttypes.h>
#include <asm/bug.h>
+#include <linux/zalloc.h>
#ifdef HAVE_LIBNUMA_SUPPORT
#include <numaif.h>
#endif
diff --git a/tools/perf/util/namespaces.c b/tools/perf/util/namespaces.c
index 023c4ef..46d3a77 100644
--- a/tools/perf/util/namespaces.c
+++ b/tools/perf/util/namespaces.c
@@ -5,8 +5,8 @@
*/
#include "namespaces.h"
-#include "util.h"
#include "event.h"
+#include "get_current_dir_name.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -17,6 +17,7 @@
#include <string.h>
#include <unistd.h>
#include <asm/bug.h>
+#include <linux/zalloc.h>
struct namespaces *namespaces__new(struct namespaces_event *event)
{
diff --git a/tools/perf/util/namespaces.h b/tools/perf/util/namespaces.h
index 15a5a27..004430c 100644
--- a/tools/perf/util/namespaces.h
+++ b/tools/perf/util/namespaces.h
@@ -13,6 +13,10 @@
#include <linux/refcount.h>
#include <linux/types.h>
+#ifndef HAVE_SETNS_SUPPORT
+int setns(int fd, int nstype);
+#endif
+
struct namespaces_event;
struct namespaces {
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index 989fed6..bb5f34b 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c
@@ -138,7 +138,7 @@ static struct ordered_event *alloc_event(struct ordered_events *oe,
if (!list_empty(cache)) {
new = list_entry(cache->next, struct ordered_event, list);
- list_del(&new->list);
+ list_del_init(&new->list);
} else if (oe->buffer) {
new = &oe->buffer->event[oe->buffer_idx];
if (++oe->buffer_idx == MAX_SAMPLE_BUFFER)
@@ -394,13 +394,13 @@ void ordered_events__free(struct ordered_events *oe)
* yet, we need to free only allocated ones ...
*/
if (oe->buffer) {
- list_del(&oe->buffer->list);
+ list_del_init(&oe->buffer->list);
ordered_events_buffer__free(oe->buffer, oe->buffer_idx, oe);
}
/* ... and continue with the rest */
list_for_each_entry_safe(buffer, tmp, &oe->to_free, list) {
- list_del(&buffer->list);
+ list_del_init(&buffer->list);
ordered_events_buffer__free(buffer, MAX_SAMPLE_BUFFER, oe);
}
}
diff --git a/tools/perf/util/parse-branch-options.c b/tools/perf/util/parse-branch-options.c
index bd779d9..726e8d9 100644
--- a/tools/perf/util/parse-branch-options.c
+++ b/tools/perf/util/parse-branch-options.c
@@ -1,9 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
#include "perf.h"
-#include "util/util.h"
#include "util/debug.h"
#include <subcmd/parse-options.h>
#include "util/parse-branch-options.h"
+#include <stdlib.h>
#define BRANCH_OPT(n, m) \
{ .name = n, .mode = (m) }
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index cf0b9b8..371ff3a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/hw_breakpoint.h>
#include <linux/err.h>
+#include <linux/zalloc.h>
#include <dirent.h>
#include <errno.h>
#include <sys/ioctl.h>
@@ -651,7 +652,7 @@ static int add_bpf_event(const char *group, const char *event, int fd,
pr_debug("Failed to add BPF event %s:%s\n",
group, event);
list_for_each_entry_safe(evsel, tmp, &new_evsels, node) {
- list_del(&evsel->node);
+ list_del_init(&evsel->node);
perf_evsel__delete(evsel);
}
return err;
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 6ad8d49..f1c36ed 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -480,7 +480,6 @@
PE_BPF_OBJECT opt_event_config
{
struct parse_events_state *parse_state = _parse_state;
- struct parse_events_error *error = parse_state->error;
struct list_head *list;
ALLOC_LIST(list);
@@ -626,7 +625,6 @@
PE_NAME array '=' PE_NAME
{
struct parse_events_term *term;
- int i;
ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
$1, $4, &@1, &@4));
diff --git a/tools/perf/util/parse-regs-options.c b/tools/perf/util/parse-regs-options.c
index 08581e2..ef46c28 100644
--- a/tools/perf/util/parse-regs-options.c
+++ b/tools/perf/util/parse-regs-options.c
@@ -1,8 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
-#include "perf.h"
-#include "util/util.h"
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
#include "util/debug.h"
#include <subcmd/parse-options.h>
+#include "util/perf_regs.h"
#include "util/parse-regs-options.h"
static int
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 55f4de6..f32b710 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -2,6 +2,7 @@
#include <linux/list.h>
#include <linux/compiler.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
@@ -14,7 +15,6 @@
#include <api/fs/fs.h>
#include <locale.h>
#include <regex.h>
-#include "util.h"
#include "pmu.h"
#include "parse-events.h"
#include "cpumap.h"
@@ -1245,7 +1245,7 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
info->metric_expr = alias->metric_expr;
info->metric_name = alias->metric_name;
- list_del(&term->list);
+ list_del_init(&term->list);
free(term);
}
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 6f24eaf..0c3b55d 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -19,7 +19,6 @@
#include <limits.h>
#include <elf.h>
-#include "util.h"
#include "event.h"
#include "namespaces.h"
#include "strlist.h"
@@ -40,6 +39,7 @@
#include "string2.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
#define PERFPROBE_GROUP "probe"
@@ -214,9 +214,9 @@ static int convert_exec_to_group(const char *exec, char **result)
static void clear_perf_probe_point(struct perf_probe_point *pp)
{
- free(pp->file);
- free(pp->function);
- free(pp->lazy_line);
+ zfree(&pp->file);
+ zfree(&pp->function);
+ zfree(&pp->lazy_line);
}
static void clear_probe_trace_events(struct probe_trace_event *tevs, int ntevs)
@@ -1175,12 +1175,11 @@ int show_available_vars(struct perf_probe_event *pevs __maybe_unused,
void line_range__clear(struct line_range *lr)
{
- free(lr->function);
- free(lr->file);
- free(lr->path);
- free(lr->comp_dir);
+ zfree(&lr->function);
+ zfree(&lr->file);
+ zfree(&lr->path);
+ zfree(&lr->comp_dir);
intlist__delete(lr->line_list);
- memset(lr, 0, sizeof(*lr));
}
int line_range__init(struct line_range *lr)
@@ -2203,15 +2202,15 @@ void clear_perf_probe_event(struct perf_probe_event *pev)
struct perf_probe_arg_field *field, *next;
int i;
- free(pev->event);
- free(pev->group);
- free(pev->target);
+ zfree(&pev->event);
+ zfree(&pev->group);
+ zfree(&pev->target);
clear_perf_probe_point(&pev->point);
for (i = 0; i < pev->nargs; i++) {
- free(pev->args[i].name);
- free(pev->args[i].var);
- free(pev->args[i].type);
+ zfree(&pev->args[i].name);
+ zfree(&pev->args[i].var);
+ zfree(&pev->args[i].type);
field = pev->args[i].field;
while (field) {
next = field->next;
@@ -2220,8 +2219,7 @@ void clear_perf_probe_event(struct perf_probe_event *pev)
field = next;
}
}
- free(pev->args);
- memset(pev, 0, sizeof(*pev));
+ zfree(&pev->args);
}
#define strdup_or_goto(str, label) \
@@ -2302,15 +2300,15 @@ void clear_probe_trace_event(struct probe_trace_event *tev)
struct probe_trace_arg_ref *ref, *next;
int i;
- free(tev->event);
- free(tev->group);
- free(tev->point.symbol);
- free(tev->point.realname);
- free(tev->point.module);
+ zfree(&tev->event);
+ zfree(&tev->group);
+ zfree(&tev->point.symbol);
+ zfree(&tev->point.realname);
+ zfree(&tev->point.module);
for (i = 0; i < tev->nargs; i++) {
- free(tev->args[i].name);
- free(tev->args[i].value);
- free(tev->args[i].type);
+ zfree(&tev->args[i].name);
+ zfree(&tev->args[i].value);
+ zfree(&tev->args[i].type);
ref = tev->args[i].ref;
while (ref) {
next = ref->next;
@@ -2318,8 +2316,7 @@ void clear_probe_trace_event(struct probe_trace_event *tev)
ref = next;
}
}
- free(tev->args);
- memset(tev, 0, sizeof(*tev));
+ zfree(&tev->args);
}
struct kprobe_blacklist_node {
@@ -2336,8 +2333,8 @@ static void kprobe_blacklist__delete(struct list_head *blacklist)
while (!list_empty(blacklist)) {
node = list_first_entry(blacklist,
struct kprobe_blacklist_node, list);
- list_del(&node->list);
- free(node->symbol);
+ list_del_init(&node->list);
+ zfree(&node->symbol);
free(node);
}
}
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 0ed19004..c2998f90 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -10,8 +10,8 @@
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
+#include <linux/zalloc.h>
#include "namespaces.h"
-#include "util.h"
#include "event.h"
#include "strlist.h"
#include "strfilter.h"
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 6b40cc6..7d8c997 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -19,11 +19,11 @@
#include <dwarf-regs.h>
#include <linux/bitops.h>
+#include <linux/zalloc.h>
#include "event.h"
#include "dso.h"
#include "debug.h"
#include "intlist.h"
-#include "util.h"
#include "strlist.h"
#include "symbol.h"
#include "probe-finder.h"
diff --git a/tools/perf/util/pstack.c b/tools/perf/util/pstack.c
index 797fe1a..28de8a4 100644
--- a/tools/perf/util/pstack.c
+++ b/tools/perf/util/pstack.c
@@ -5,10 +5,10 @@
* (c) 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
*/
-#include "util.h"
#include "pstack.h"
#include "debug.h"
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <stdlib.h>
struct pstack {
diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources
index 2237bac..ceb8afd 100644
--- a/tools/perf/util/python-ext-sources
+++ b/tools/perf/util/python-ext-sources
@@ -18,6 +18,7 @@
../lib/hweight.c
../lib/string.c
../lib/vsprintf.c
+../lib/zalloc.c
util/thread_map.c
util/util.c
util/xyarray.c
diff --git a/tools/perf/util/s390-cpumsf.c b/tools/perf/util/s390-cpumsf.c
index 10d36d9..83d2e14 100644
--- a/tools/perf/util/s390-cpumsf.c
+++ b/tools/perf/util/s390-cpumsf.c
@@ -146,6 +146,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -156,7 +157,6 @@
#include "evlist.h"
#include "machine.h"
#include "session.h"
-#include "util.h"
#include "thread.h"
#include "debug.h"
#include "auxtrace.h"
@@ -756,7 +756,7 @@ static int s390_cpumsf_run_decoder(struct s390_cpumsf_queue *sfq,
*/
if (err) {
sfq->buffer = NULL;
- list_del(&buffer->list);
+ list_del_init(&buffer->list);
auxtrace_buffer__free(buffer);
if (err > 0) /* Buffer done, no error */
err = 0;
@@ -1044,7 +1044,7 @@ static void s390_cpumsf_free(struct perf_session *session)
auxtrace_heap__free(&sf->heap);
s390_cpumsf_free_queues(session);
session->auxtrace = NULL;
- free(sf->logdir);
+ zfree(&sf->logdir);
free(sf);
}
@@ -1101,8 +1101,7 @@ static int s390_cpumsf__config(const char *var, const char *value, void *cb)
if (rc == -1 || !S_ISDIR(stbuf.st_mode)) {
pr_err("Missing auxtrace log directory %s,"
" continue with current directory...\n", value);
- free(sf->logdir);
- sf->logdir = NULL;
+ zfree(&sf->logdir);
}
return 1;
}
@@ -1162,7 +1161,7 @@ int s390_cpumsf_process_auxtrace_info(union perf_event *event,
auxtrace_queues__free(&sf->queues);
session->auxtrace = NULL;
err_free:
- free(sf->logdir);
+ zfree(&sf->logdir);
free(sf);
return err;
}
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 54cf1633..d0fd6c61 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2,6 +2,7 @@
#include <errno.h>
#include <inttypes.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <traceevent/event-parse.h>
#include <api/fs/fs.h>
@@ -18,7 +19,6 @@
#include "session.h"
#include "tool.h"
#include "sort.h"
-#include "util.h"
#include "cpumap.h"
#include "perf_regs.h"
#include "asm/bug.h"
@@ -1246,9 +1246,12 @@ static void dump_read(struct perf_evsel *evsel, union perf_event *event)
return;
printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
- evsel ? perf_evsel__name(evsel) : "FAIL",
+ perf_evsel__name(evsel),
event->read.value);
+ if (!evsel)
+ return;
+
read_format = evsel->attr.read_format;
if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
diff --git a/tools/perf/util/setns.c b/tools/perf/util/setns.c
index ce8fc29..48f9c0a 100644
--- a/tools/perf/util/setns.c
+++ b/tools/perf/util/setns.c
@@ -1,4 +1,6 @@
-#include "util.h"
+// SPDX-License-Identifier: LGPL-2.1
+
+#include "namespaces.h"
#include <unistd.h>
#include <sys/syscall.h>
diff --git a/tools/perf/util/srccode.c b/tools/perf/util/srccode.c
index 684b155..adfcf1f 100644
--- a/tools/perf/util/srccode.c
+++ b/tools/perf/util/srccode.c
@@ -4,7 +4,8 @@
* Copyright (c) 2017, Intel Corporation.
* Author: Andi Kleen
*/
-#include "linux/list.h"
+#include <linux/list.h>
+#include <linux/zalloc.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/stat.h>
@@ -82,12 +83,12 @@ static void fill_lines(char **lines, int maxline, char *map, int maplen)
static void free_srcfile(struct srcfile *sf)
{
- list_del(&sf->nd);
+ list_del_init(&sf->nd);
hlist_del(&sf->hash_nd);
map_total_sz -= sf->maplen;
munmap(sf->map, sf->maplen);
- free(sf->lines);
- free(sf->fn);
+ zfree(&sf->lines);
+ zfree(&sf->fn);
free(sf);
num_srcfiles--;
}
@@ -153,7 +154,7 @@ static struct srcfile *find_srcfile(char *fn)
out_map:
munmap(h->map, sz);
out_fn:
- free(h->fn);
+ zfree(&h->fn);
out_h:
free(h);
return NULL;
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index dcad75d..6ccf6f6 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -6,9 +6,9 @@
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include "util/dso.h"
-#include "util/util.h"
#include "util/debug.h"
#include "util/callchain.h"
#include "util/symbol_conf.h"
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index cb891e5..656065a 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -8,6 +8,7 @@
#include "evlist.h"
#include "expr.h"
#include "metricgroup.h"
+#include <linux/zalloc.h>
/*
* AGGR_GLOBAL: Use CPU 0
@@ -775,7 +776,7 @@ static void generic_metric(struct perf_stat_config *config,
print_metric(config, ctxp, NULL, NULL, "", 0);
for (i = 1; i < pctx.num_ids; i++)
- free((void *)pctx.ids[i].name);
+ zfree(&pctx.ids[i].name);
}
void perf_stat__print_shadow_stats(struct perf_stat_config *config,
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index d91fe75..db8a6cf 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -6,6 +6,7 @@
#include "evlist.h"
#include "evsel.h"
#include "thread_map.h"
+#include <linux/zalloc.h>
void update_stats(struct stats *stats, u64 val)
{
@@ -132,7 +133,7 @@ static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
struct perf_stat_evsel *ps = evsel->stats;
if (ps)
- free(ps->group_data);
+ zfree(&ps->group_data);
zfree(&evsel->stats);
}
diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index 23092fd..2ce0dc8 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -1,8 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
#include "debug.h"
-#include "util.h"
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <errno.h>
+#include <stdlib.h>
/*
* Used as the default ->buf value, so that people can always assume
diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index 90ea2b2..78aa4c3 100644
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -1,11 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
-#include "util.h"
#include "string2.h"
#include "strfilter.h"
#include <errno.h>
+#include <stdlib.h>
#include <linux/ctype.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
/* Operators */
static const char *OP_and = "&"; /* Logical AND */
diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c
index af45c6f..8a868cb 100644
--- a/tools/perf/util/strlist.c
+++ b/tools/perf/util/strlist.c
@@ -4,12 +4,12 @@
*/
#include "strlist.h"
-#include "util.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <linux/zalloc.h>
static
struct rb_node *strlist__node_new(struct rblist *rblist, const void *entry)
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index fab8a04..76cc540 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -15,10 +15,10 @@
#include <string.h>
#include <linux/bitmap.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
#include "perf.h"
#include "svghelper.h"
-#include "util.h"
#include "cpumap.h"
static u64 first_time, last_time;
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 62008756..7d504dc 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -2,6 +2,7 @@
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
+#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
@@ -16,6 +17,7 @@
#include "debug.h"
#include "util.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
#include <symbol/kallsyms.h>
#ifndef EM_AARCH64
@@ -1476,7 +1478,7 @@ static void kcore_copy__free_phdrs(struct kcore_copy_info *kci)
struct phdr_data *p, *tmp;
list_for_each_entry_safe(p, tmp, &kci->phdrs, node) {
- list_del(&p->node);
+ list_del_init(&p->node);
free(p);
}
}
@@ -1499,7 +1501,7 @@ static void kcore_copy__free_syms(struct kcore_copy_info *kci)
struct sym_data *s, *tmp;
list_for_each_entry_safe(s, tmp, &kci->syms, node) {
- list_del(&s->node);
+ list_del_init(&s->node);
free(s);
}
}
@@ -2131,11 +2133,11 @@ static int populate_sdt_note(Elf **elf, const char *data, size_t len,
return 0;
out_free_args:
- free(tmp->args);
+ zfree(&tmp->args);
out_free_name:
- free(tmp->name);
+ zfree(&tmp->name);
out_free_prov:
- free(tmp->provider);
+ zfree(&tmp->provider);
out_free_note:
free(tmp);
out_err:
@@ -2250,9 +2252,9 @@ int cleanup_sdt_note_list(struct list_head *sdt_notes)
int nr_free = 0;
list_for_each_entry_safe(pos, tmp, sdt_notes, note_list) {
- list_del(&pos->note_list);
- free(pos->name);
- free(pos->provider);
+ list_del_init(&pos->note_list);
+ zfree(&pos->name);
+ zfree(&pos->provider);
free(pos);
nr_free++;
}
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index 17edbd4..3bc8b7e 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -7,9 +7,10 @@
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
+#include <stdlib.h>
#include <byteswap.h>
#include <sys/stat.h>
-
+#include <linux/zalloc.h>
static bool check_need_swap(int file_endian)
{
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index ae2ce25..173f337 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -26,6 +26,7 @@
#include "header.h"
#include "path.h"
#include <linux/ctype.h>
+#include <linux/zalloc.h>
#include <elf.h>
#include <limits.h>
diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c
index c2037ac..022a9c6 100644
--- a/tools/perf/util/syscalltbl.c
+++ b/tools/perf/util/syscalltbl.c
@@ -10,9 +10,9 @@
#include <linux/compiler.h>
#ifdef HAVE_SYSCALL_TABLE_SUPPORT
+#include <linux/zalloc.h>
#include <string.h>
#include "string2.h"
-#include "util.h"
#if defined(__x86_64__)
#include <asm/syscalls_64.c>
diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c
index 3852d07..3adc654 100644
--- a/tools/perf/util/target.c
+++ b/tools/perf/util/target.c
@@ -10,9 +10,9 @@
#include "debug.h"
#include <pwd.h>
+#include <stdlib.h>
#include <string.h>
-
enum target_errno target__validate(struct target *target)
{
enum target_errno ret = TARGET_ERRNO__SUCCESS;
diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c
index 6ff1ff4..15134ac 100644
--- a/tools/perf/util/thread-stack.c
+++ b/tools/perf/util/thread-stack.c
@@ -7,12 +7,13 @@
#include <linux/rbtree.h>
#include <linux/list.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include <errno.h>
+#include <stdlib.h>
#include "thread.h"
#include "event.h"
#include "machine.h"
#include "env.h"
-#include "util.h"
#include "debug.h"
#include "symbol.h"
#include "comm.h"
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 3e29a4e..873ab50 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -5,10 +5,10 @@
#include <stdio.h>
#include <string.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include "session.h"
#include "thread.h"
#include "thread-stack.h"
-#include "util.h"
#include "debug.h"
#include "namespaces.h"
#include "comm.h"
@@ -93,14 +93,14 @@ void thread__delete(struct thread *thread)
down_write(&thread->namespaces_lock);
list_for_each_entry_safe(namespaces, tmp_namespaces,
&thread->namespaces_list, list) {
- list_del(&namespaces->list);
+ list_del_init(&namespaces->list);
namespaces__free(namespaces);
}
up_write(&thread->namespaces_lock);
down_write(&thread->comm_lock);
list_for_each_entry_safe(comm, tmp_comm, &thread->comm_list, list) {
- list_del(&comm->list);
+ list_del_init(&comm->list);
comm__free(comm);
}
up_write(&thread->comm_lock);
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 281bf06..5b3511f 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -13,9 +13,9 @@
#include <string.h>
#include <api/fs/fs.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
#include "asm/bug.h"
#include "thread_map.h"
-#include "util.h"
#include "debug.h"
#include "event.h"
@@ -480,7 +480,7 @@ int thread_map__remove(struct thread_map *threads, int idx)
/*
* Free the 'idx' item and shift the rest up.
*/
- free(threads->map[idx].comm);
+ zfree(&threads->map[idx].comm);
for (i = idx; i < threads->nr - 1; i++)
threads->map[i] = threads->map[i + 1];
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 806a11b..4550015 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -18,6 +18,7 @@
#include <stdbool.h>
#include <linux/list.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include "../perf.h"
#include "trace-event.h"
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index b023db1..ba58f69 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -12,8 +12,8 @@
#include "../perf.h"
#include "debug.h"
-#include "util.h"
#include "trace-event.h"
+#include <linux/zalloc.h>
struct scripting_context *scripting_context;
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 407d016..28f71ca 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -12,6 +12,7 @@
#include "symbol.h"
#include "thread.h"
#include <linux/types.h>
+#include <linux/zalloc.h>
#include "event.h"
#include "perf_regs.h"
#include "callchain.h"
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 25e1406..71a7889 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -25,6 +25,7 @@
#include <unistd.h>
#include <sys/mman.h>
#include <linux/list.h>
+#include <linux/zalloc.h>
#ifndef REMOTE_UNWIND_LIBUNWIND
#include <libunwind.h>
#include <libunwind-ptrace.h>
@@ -345,7 +346,7 @@ static int read_unwind_spec_debug_frame(struct dso *dso,
__func__,
dso->symsrc_filename,
debuglink);
- free(dso->symsrc_filename);
+ zfree(&dso->symsrc_filename);
}
dso->symsrc_filename = debuglink;
} else {
diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index 070d25c..3949a60 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -9,6 +9,9 @@
*/
#include "util.h"
#include "debug.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <linux/compiler.h>
static __noreturn void usage_builtin(const char *err)
{
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 125e215..dc7a469 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -9,8 +9,6 @@
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
-#include <stdlib.h>
-#include <stdarg.h>
#include <linux/compiler.h>
#include <sys/types.h>
@@ -18,13 +16,6 @@
void usage(const char *err) __noreturn;
void die(const char *err, ...) __noreturn __printf(1, 2);
-static inline void *zalloc(size_t size)
-{
- return calloc(1, size);
-}
-
-#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
-
struct dirent;
struct nsinfo;
struct strlist;
@@ -59,18 +50,10 @@ int fetch_kernel_version(unsigned int *puint,
const char *perf_tip(const char *dirpath);
-#ifndef HAVE_GET_CURRENT_DIR_NAME
-char *get_current_dir_name(void);
-#endif
-
#ifndef HAVE_SCHED_GETCPU_SUPPORT
int sched_getcpu(void);
#endif
-#ifndef HAVE_SETNS_SUPPORT
-int setns(int fd, int nstype);
-#endif
-
extern bool perf_singlethreaded;
void perf_set_singlethreaded(void);
diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index 4b7a303..c59154e 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -3,8 +3,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
+#include <linux/zalloc.h>
-#include "util.h"
#include "values.h"
#include "debug.h"
diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index 5031b7b..7f427ba 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -16,6 +16,7 @@
#include "machine.h"
#include "thread.h"
#include "linux/string.h"
+#include <linux/zalloc.h>
#include "debug.h"
/*
diff --git a/tools/perf/util/xyarray.c b/tools/perf/util/xyarray.c
index dc95154..86889eb 100644
--- a/tools/perf/util/xyarray.c
+++ b/tools/perf/util/xyarray.c
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
#include "xyarray.h"
-#include "util.h"
#include <stdlib.h>
#include <string.h>
+#include <linux/zalloc.h>
struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
{