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-rw-r--r--arch/x86/kernel/cpu/perf_event.c8
-rw-r--r--arch/x86/kernel/cpu/perf_event_amd.c2
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c2
-rw-r--r--kernel/events/core.c101
-rw-r--r--kernel/watchdog.c7
-rw-r--r--tools/perf/Documentation/perf-annotate.txt11
-rw-r--r--tools/perf/Documentation/perf-stat.txt7
-rw-r--r--tools/perf/builtin-annotate.c6
-rw-r--r--tools/perf/builtin-stat.c155
-rw-r--r--tools/perf/util/annotate.c5
-rw-r--r--tools/perf/util/color.c2
-rw-r--r--tools/perf/util/symbol.c2
-rw-r--r--tools/perf/util/symbol.h4
13 files changed, 237 insertions, 75 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index cfa62ec..05df6e3 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -129,6 +129,8 @@ struct cpu_hw_events {
* AMD specific bits
*/
struct amd_nb *amd_nb;
+
+ void *kfree_on_online;
};
#define __EVENT_CONSTRAINT(c, n, m, w) {\
@@ -1466,10 +1468,12 @@ static int __cpuinit
x86_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
{
unsigned int cpu = (long)hcpu;
+ struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
int ret = NOTIFY_OK;
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_UP_PREPARE:
+ cpuc->kfree_on_online = NULL;
if (x86_pmu.cpu_prepare)
ret = x86_pmu.cpu_prepare(cpu);
break;
@@ -1479,6 +1483,10 @@ x86_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
x86_pmu.cpu_starting(cpu);
break;
+ case CPU_ONLINE:
+ kfree(cpuc->kfree_on_online);
+ break;
+
case CPU_DYING:
if (x86_pmu.cpu_dying)
x86_pmu.cpu_dying(cpu);
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 941caa2..ee9436c 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -350,7 +350,7 @@ static void amd_pmu_cpu_starting(int cpu)
continue;
if (nb->nb_id == nb_id) {
- kfree(cpuc->amd_nb);
+ cpuc->kfree_on_online = cpuc->amd_nb;
cpuc->amd_nb = nb;
break;
}
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index f88af2c..3751494 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1362,7 +1362,7 @@ static void intel_pmu_cpu_starting(int cpu)
pc = per_cpu(cpu_hw_events, i).shared_regs;
if (pc && pc->core_id == core_id) {
- kfree(cpuc->shared_regs);
+ cpuc->kfree_on_online = cpuc->shared_regs;
cpuc->shared_regs = pc;
break;
}
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0f85778..d1a1bee 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -29,6 +29,7 @@
#include <linux/hardirq.h>
#include <linux/rculist.h>
#include <linux/uaccess.h>
+#include <linux/suspend.h>
#include <linux/syscalls.h>
#include <linux/anon_inodes.h>
#include <linux/kernel_stat.h>
@@ -5758,6 +5759,7 @@ struct pmu *perf_init_event(struct perf_event *event)
pmu = idr_find(&pmu_idr, event->attr.type);
rcu_read_unlock();
if (pmu) {
+ event->pmu = pmu;
ret = pmu->event_init(event);
if (ret)
pmu = ERR_PTR(ret);
@@ -5765,6 +5767,7 @@ struct pmu *perf_init_event(struct perf_event *event)
}
list_for_each_entry_rcu(pmu, &pmus, entry) {
+ event->pmu = pmu;
ret = pmu->event_init(event);
if (!ret)
goto unlock;
@@ -5891,8 +5894,6 @@ done:
return ERR_PTR(err);
}
- event->pmu = pmu;
-
if (!event->parent) {
if (event->attach_state & PERF_ATTACH_TASK)
jump_label_inc(&perf_sched_events);
@@ -6852,7 +6853,7 @@ static void __cpuinit perf_event_init_cpu(int cpu)
struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
mutex_lock(&swhash->hlist_mutex);
- if (swhash->hlist_refcount > 0) {
+ if (swhash->hlist_refcount > 0 && !swhash->swevent_hlist) {
struct swevent_hlist *hlist;
hlist = kzalloc_node(sizeof(*hlist), GFP_KERNEL, cpu_to_node(cpu));
@@ -6941,7 +6942,14 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
{
unsigned int cpu = (long)hcpu;
- switch (action & ~CPU_TASKS_FROZEN) {
+ /*
+ * Ignore suspend/resume action, the perf_pm_notifier will
+ * take care of that.
+ */
+ if (action & CPU_TASKS_FROZEN)
+ return NOTIFY_OK;
+
+ switch (action) {
case CPU_UP_PREPARE:
case CPU_DOWN_FAILED:
@@ -6960,6 +6968,90 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
return NOTIFY_OK;
}
+static void perf_pm_resume_cpu(void *unused)
+{
+ struct perf_cpu_context *cpuctx;
+ struct perf_event_context *ctx;
+ struct pmu *pmu;
+ int idx;
+
+ idx = srcu_read_lock(&pmus_srcu);
+ list_for_each_entry_rcu(pmu, &pmus, entry) {
+ cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
+ ctx = cpuctx->task_ctx;
+
+ perf_ctx_lock(cpuctx, ctx);
+ perf_pmu_disable(cpuctx->ctx.pmu);
+
+ cpu_ctx_sched_out(cpuctx, EVENT_ALL);
+ if (ctx)
+ ctx_sched_out(ctx, cpuctx, EVENT_ALL);
+
+ perf_pmu_enable(cpuctx->ctx.pmu);
+ perf_ctx_unlock(cpuctx, ctx);
+ }
+ srcu_read_unlock(&pmus_srcu, idx);
+}
+
+static void perf_pm_suspend_cpu(void *unused)
+{
+ struct perf_cpu_context *cpuctx;
+ struct perf_event_context *ctx;
+ struct pmu *pmu;
+ int idx;
+
+ idx = srcu_read_lock(&pmus_srcu);
+ list_for_each_entry_rcu(pmu, &pmus, entry) {
+ cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
+ ctx = cpuctx->task_ctx;
+
+ perf_ctx_lock(cpuctx, ctx);
+ perf_pmu_disable(cpuctx->ctx.pmu);
+
+ perf_event_sched_in(cpuctx, ctx, current);
+
+ perf_pmu_enable(cpuctx->ctx.pmu);
+ perf_ctx_unlock(cpuctx, ctx);
+ }
+ srcu_read_unlock(&pmus_srcu, idx);
+}
+
+static int perf_resume(void)
+{
+ get_online_cpus();
+ smp_call_function(perf_pm_resume_cpu, NULL, 1);
+ put_online_cpus();
+
+ return NOTIFY_OK;
+}
+
+static int perf_suspend(void)
+{
+ get_online_cpus();
+ smp_call_function(perf_pm_suspend_cpu, NULL, 1);
+ put_online_cpus();
+
+ return NOTIFY_OK;
+}
+
+static int perf_pm(struct notifier_block *self, unsigned long action, void *ptr)
+{
+ switch (action) {
+ case PM_POST_HIBERNATION:
+ case PM_POST_SUSPEND:
+ return perf_resume();
+ case PM_HIBERNATION_PREPARE:
+ case PM_SUSPEND_PREPARE:
+ return perf_suspend();
+ default:
+ return NOTIFY_DONE;
+ }
+}
+
+static struct notifier_block perf_pm_notifier = {
+ .notifier_call = perf_pm,
+};
+
void __init perf_event_init(void)
{
int ret;
@@ -6974,6 +7066,7 @@ void __init perf_event_init(void)
perf_tp_register();
perf_cpu_notifier(perf_cpu_notify);
register_reboot_notifier(&perf_reboot_notifier);
+ register_pm_notifier(&perf_pm_notifier);
ret = init_hw_breakpoint();
WARN(ret, "hw_breakpoint initialization failed with: %d", ret);
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 36491cd..d680381 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -321,7 +321,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
*/
static int watchdog(void *unused)
{
- static struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
+ struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
sched_setscheduler(current, SCHED_FIFO, &param);
@@ -350,7 +350,8 @@ static int watchdog(void *unused)
set_current_state(TASK_INTERRUPTIBLE);
}
__set_current_state(TASK_RUNNING);
-
+ param.sched_priority = 0;
+ sched_setscheduler(current, SCHED_NORMAL, &param);
return 0;
}
@@ -438,7 +439,7 @@ static int watchdog_enable(int cpu)
/* create the watchdog thread */
if (!p) {
- p = kthread_create(watchdog, (void *)(unsigned long)cpu, "watchdog/%d", cpu);
+ p = kthread_create_on_node(watchdog, NULL, cpu_to_node(cpu), "watchdog/%d", cpu);
if (IS_ERR(p)) {
printk(KERN_ERR "softlockup watchdog for %i failed\n", cpu);
if (!err) {
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 85c5f02..98a31e3 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -72,6 +72,17 @@ OPTIONS
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
+--asm-raw::
+ Show raw instruction encoding of assembly instructions. They
+ are displayed by default, disable with --no-asm-raw.
+
+--source::
+ Interleave source code with assembly code. Enabled by default,
+ disable with --no-source.
+
+--symfs=<directory>::
+ Look for files with symbols relative to this directory.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 918cc38..08394c4 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -94,6 +94,13 @@ an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must ha
corresponding events, i.e., they always refer to events defined earlier on the command
line.
+-o file::
+-output file::
+Print the output into the designated file.
+
+--append::
+Append to the output file designated with the -o option. Ignored if -o is not specified.
+
EXAMPLES
--------
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 555aefd..c5be288 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -267,6 +267,12 @@ static const struct option options[] = {
OPT_BOOLEAN('P', "full-paths", &full_paths,
"Don't shorten the displayed pathnames"),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+ OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+ "Look for files with symbols relative to this directory"),
+ OPT_BOOLEAN('0', "source", &symbol_conf.annotate_src,
+ "Interleave source code with assembly code (default)"),
+ OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
+ "Display raw encoding of assembly instructions (default)"),
OPT_END()
};
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 5deb17d..bec64a9 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -194,6 +194,8 @@ static const char *cpu_list;
static const char *csv_sep = NULL;
static bool csv_output = false;
static bool group = false;
+static const char *output_name = NULL;
+static FILE *output = NULL;
static volatile int done = 0;
@@ -352,7 +354,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
update_stats(&ps->res_stats[i], count[i]);
if (verbose) {
- fprintf(stderr, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
+ fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
event_name(counter), count[0], count[1], count[2]);
}
@@ -519,9 +521,9 @@ static void print_noise_pct(double total, double avg)
pct = 100.0*total/avg;
if (csv_output)
- fprintf(stderr, "%s%.2f%%", csv_sep, pct);
+ fprintf(output, "%s%.2f%%", csv_sep, pct);
else
- fprintf(stderr, " ( +-%6.2f%% )", pct);
+ fprintf(output, " ( +-%6.2f%% )", pct);
}
static void print_noise(struct perf_evsel *evsel, double avg)
@@ -546,16 +548,17 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg)
csv_output ? 0 : -4,
evsel_list->cpus->map[cpu], csv_sep);
- fprintf(stderr, fmt, cpustr, msecs, csv_sep, event_name(evsel));
+ fprintf(output, fmt, cpustr, msecs, csv_sep, event_name(evsel));
if (evsel->cgrp)
- fprintf(stderr, "%s%s", csv_sep, evsel->cgrp->name);
+ fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
if (csv_output)
return;
if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
- fprintf(stderr, " # %8.3f CPUs utilized ", avg / avg_stats(&walltime_nsecs_stats));
+ fprintf(output, " # %8.3f CPUs utilized ",
+ avg / avg_stats(&walltime_nsecs_stats));
}
static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -576,9 +579,9 @@ static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __us
else if (ratio > 10.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " frontend cycles idle ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " frontend cycles idle ");
}
static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -599,9 +602,9 @@ static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __use
else if (ratio > 20.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " backend cycles idle ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " backend cycles idle ");
}
static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -622,9 +625,9 @@ static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " of all branches ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " of all branches ");
}
static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -645,9 +648,9 @@ static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, dou
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " of all L1-dcache hits ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " of all L1-dcache hits ");
}
static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -668,9 +671,9 @@ static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, dou
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " of all L1-icache hits ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " of all L1-icache hits ");
}
static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -691,9 +694,9 @@ static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, do
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " of all dTLB cache hits ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " of all dTLB cache hits ");
}
static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -714,9 +717,9 @@ static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, do
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " of all iTLB cache hits ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " of all iTLB cache hits ");
}
static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg)
@@ -737,9 +740,9 @@ static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, doub
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- fprintf(stderr, " # ");
- color_fprintf(stderr, color, "%6.2f%%", ratio);
- fprintf(stderr, " of all LL-cache hits ");
+ fprintf(output, " # ");
+ color_fprintf(output, color, "%6.2f%%", ratio);
+ fprintf(output, " of all LL-cache hits ");
}
static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
@@ -762,10 +765,10 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
else
cpu = 0;
- fprintf(stderr, fmt, cpustr, avg, csv_sep, event_name(evsel));
+ fprintf(output, fmt, cpustr, avg, csv_sep, event_name(evsel));
if (evsel->cgrp)
- fprintf(stderr, "%s%s", csv_sep, evsel->cgrp->name);
+ fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
if (csv_output)
return;
@@ -776,14 +779,14 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
if (total)
ratio = avg / total;
- fprintf(stderr, " # %5.2f insns per cycle ", ratio);
+ fprintf(output, " # %5.2f insns per cycle ", ratio);
total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]);
total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu]));
if (total && avg) {
ratio = total / avg;
- fprintf(stderr, "\n # %5.2f stalled cycles per insn", ratio);
+ fprintf(output, "\n # %5.2f stalled cycles per insn", ratio);
}
} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
@@ -831,7 +834,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
if (total)
ratio = avg * 100 / total;
- fprintf(stderr, " # %8.3f %% of all cache refs ", ratio);
+ fprintf(output, " # %8.3f %% of all cache refs ", ratio);
} else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
print_stalled_cycles_frontend(cpu, evsel, avg);
@@ -843,16 +846,16 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
if (total)
ratio = 1.0 * avg / total;
- fprintf(stderr, " # %8.3f GHz ", ratio);
+ fprintf(output, " # %8.3f GHz ", ratio);
} else if (runtime_nsecs_stats[cpu].n != 0) {
total = avg_stats(&runtime_nsecs_stats[cpu]);
if (total)
ratio = 1000.0 * avg / total;
- fprintf(stderr, " # %8.3f M/sec ", ratio);
+ fprintf(output, " # %8.3f M/sec ", ratio);
} else {
- fprintf(stderr, " ");
+ fprintf(output, " ");
}
}
@@ -867,7 +870,7 @@ static void print_counter_aggr(struct perf_evsel *counter)
int scaled = counter->counts->scaled;
if (scaled == -1) {
- fprintf(stderr, "%*s%s%*s",
+ fprintf(output, "%*s%s%*s",
csv_output ? 0 : 18,
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
csv_sep,
@@ -875,9 +878,9 @@ static void print_counter_aggr(struct perf_evsel *counter)
event_name(counter));
if (counter->cgrp)
- fprintf(stderr, "%s%s", csv_sep, counter->cgrp->name);
+ fprintf(output, "%s%s", csv_sep, counter->cgrp->name);
- fputc('\n', stderr);
+ fputc('\n', output);
return;
}
@@ -889,7 +892,7 @@ static void print_counter_aggr(struct perf_evsel *counter)
print_noise(counter, avg);
if (csv_output) {
- fputc('\n', stderr);
+ fputc('\n', output);
return;
}
@@ -899,9 +902,9 @@ static void print_counter_aggr(struct perf_evsel *counter)
avg_enabled = avg_stats(&ps->res_stats[1]);
avg_running = avg_stats(&ps->res_stats[2]);
- fprintf(stderr, " [%5.2f%%]", 100 * avg_running / avg_enabled);
+ fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled);
}
- fprintf(stderr, "\n");
+ fprintf(output, "\n");
}
/*
@@ -918,7 +921,7 @@ static void print_counter(struct perf_evsel *counter)
ena = counter->counts->cpu[cpu].ena;
run = counter->counts->cpu[cpu].run;
if (run == 0 || ena == 0) {
- fprintf(stderr, "CPU%*d%s%*s%s%*s",
+ fprintf(output, "CPU%*d%s%*s%s%*s",
csv_output ? 0 : -4,
evsel_list->cpus->map[cpu], csv_sep,
csv_output ? 0 : 18,
@@ -928,9 +931,10 @@ static void print_counter(struct perf_evsel *counter)
event_name(counter));
if (counter->cgrp)
- fprintf(stderr, "%s%s", csv_sep, counter->cgrp->name);
+ fprintf(output, "%s%s",
+ csv_sep, counter->cgrp->name);
- fputc('\n', stderr);
+ fputc('\n', output);
continue;
}
@@ -943,9 +947,10 @@ static void print_counter(struct perf_evsel *counter)
print_noise(counter, 1.0);
if (run != ena)
- fprintf(stderr, " (%.2f%%)", 100.0 * run / ena);
+ fprintf(output, " (%.2f%%)",
+ 100.0 * run / ena);
}
- fputc('\n', stderr);
+ fputc('\n', output);
}
}
@@ -957,21 +962,21 @@ static void print_stat(int argc, const char **argv)
fflush(stdout);
if (!csv_output) {
- fprintf(stderr, "\n");
- fprintf(stderr, " Performance counter stats for ");
+ fprintf(output, "\n");
+ fprintf(output, " Performance counter stats for ");
if(target_pid == -1 && target_tid == -1) {
- fprintf(stderr, "\'%s", argv[0]);
+ fprintf(output, "\'%s", argv[0]);
for (i = 1; i < argc; i++)
- fprintf(stderr, " %s", argv[i]);
+ fprintf(output, " %s", argv[i]);
} else if (target_pid != -1)
- fprintf(stderr, "process id \'%d", target_pid);
+ fprintf(output, "process id \'%d", target_pid);
else
- fprintf(stderr, "thread id \'%d", target_tid);
+ fprintf(output, "thread id \'%d", target_tid);
- fprintf(stderr, "\'");
+ fprintf(output, "\'");
if (run_count > 1)
- fprintf(stderr, " (%d runs)", run_count);
- fprintf(stderr, ":\n\n");
+ fprintf(output, " (%d runs)", run_count);
+ fprintf(output, ":\n\n");
}
if (no_aggr) {
@@ -984,15 +989,15 @@ static void print_stat(int argc, const char **argv)
if (!csv_output) {
if (!null_run)
- fprintf(stderr, "\n");
- fprintf(stderr, " %17.9f seconds time elapsed",
+ fprintf(output, "\n");
+ fprintf(output, " %17.9f seconds time elapsed",
avg_stats(&walltime_nsecs_stats)/1e9);
if (run_count > 1) {
- fprintf(stderr, " ");
+ fprintf(output, " ");
print_noise_pct(stddev_stats(&walltime_nsecs_stats),
avg_stats(&walltime_nsecs_stats));
}
- fprintf(stderr, "\n\n");
+ fprintf(output, "\n\n");
}
}
@@ -1030,6 +1035,8 @@ static int stat__set_big_num(const struct option *opt __used,
return 0;
}
+static bool append_file;
+
static const struct option options[] = {
OPT_CALLBACK('e', "event", &evsel_list, "event",
"event selector. use 'perf list' to list available events",
@@ -1070,6 +1077,9 @@ static const struct option options[] = {
OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
"monitor event in cgroup name only",
parse_cgroups),
+ OPT_STRING('o', "output", &output_name, "file",
+ "output file name"),
+ OPT_BOOLEAN(0, "append", &append_file, "append to the output file"),
OPT_END()
};
@@ -1141,6 +1151,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
{
struct perf_evsel *pos;
int status = -ENOMEM;
+ const char *mode;
setlocale(LC_ALL, "");
@@ -1151,6 +1162,23 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
argc = parse_options(argc, argv, options, stat_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+ output = stderr;
+ if (output_name && strcmp(output_name, "-"))
+ output = NULL;
+
+ if (!output) {
+ struct timespec tm;
+ mode = append_file ? "a" : "w";
+
+ output = fopen(output_name, mode);
+ if (!output) {
+ perror("failed to create output file");
+ exit(-1);
+ }
+ clock_gettime(CLOCK_REALTIME, &tm);
+ fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
+ }
+
if (csv_sep)
csv_output = true;
else
@@ -1226,7 +1254,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
status = 0;
for (run_idx = 0; run_idx < run_count; run_idx++) {
if (run_count != 1 && verbose)
- fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx + 1);
+ fprintf(output, "[ perf stat: executing run #%d ... ]\n",
+ run_idx + 1);
if (sync_run)
sync();
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index e01af2b..01d36ba 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -324,9 +324,12 @@ fallback:
snprintf(command, sizeof(command),
"objdump --start-address=0x%016" PRIx64
- " --stop-address=0x%016" PRIx64 " -dS -C %s|grep -v %s|expand",
+ " --stop-address=0x%016" PRIx64
+ " -d %s %s -C %s|grep -v %s|expand",
map__rip_2objdump(map, sym->start),
map__rip_2objdump(map, sym->end),
+ symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
+ symbol_conf.annotate_src ? "-S" : "",
symfs_filename, filename);
pr_debug("Executing: %s\n", command);
diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c
index e191eb9..521c38a7 100644
--- a/tools/perf/util/color.c
+++ b/tools/perf/util/color.c
@@ -200,7 +200,7 @@ static int __color_vfprintf(FILE *fp, const char *color, const char *fmt,
* Auto-detect:
*/
if (perf_use_color_default < 0) {
- if (isatty(1) || pager_in_use())
+ if (isatty(fileno(fp)) || pager_in_use())
perf_use_color_default = 1;
else
perf_use_color_default = 0;
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 469c026..245e60d 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -46,6 +46,8 @@ struct symbol_conf symbol_conf = {
.exclude_other = true,
.use_modules = true,
.try_vmlinux_path = true,
+ .annotate_asm_raw = true,
+ .annotate_src = true,
.symfs = "",
};
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 4f377d9..7733f0b 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -76,7 +76,9 @@ struct symbol_conf {
exclude_other,
show_cpu_utilization,
initialized,
- kptr_restrict;
+ kptr_restrict,
+ annotate_asm_raw,
+ annotate_src;
const char *vmlinux_name,
*kallsyms_name,
*source_prefix,
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