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Message-Id: <1433959858-31858-12-git-send-email-jolsa@kernel.org>
Date: Wed, 10 Jun 2015 20:10:44 +0200
From: Jiri Olsa <jolsa@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: lkml <linux-kernel@...r.kernel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Andi Kleen <ak@...ux.intel.com>,
David Ahern <dsahern@...il.com>,
Ingo Molnar <mingo@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 11/25] perf stat: Make stats work over the thread dimension
Now that we have space for thread dimension counts,
let's store it.
Link: http://lkml.kernel.org/n/tip-vvu96knzwli7ajpjz7qu8jfl@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
tools/perf/builtin-stat.c | 32 +++++++++++++++++-------------
tools/perf/tests/openat-syscall-all-cpus.c | 6 +++---
tools/perf/tests/openat-syscall.c | 4 ++--
tools/perf/util/evsel.c | 20 +++++++++----------
tools/perf/util/evsel.h | 10 +++++-----
5 files changed, 38 insertions(+), 34 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 2221a75e11e5..8359f6dad441 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -166,11 +166,12 @@ static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
zfree(&evsel->priv);
}
-static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel)
+static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
+ int ncpus, int nthreads)
{
struct perf_counts *counts;
- counts = perf_counts__alloc(perf_evsel__nr_cpus(evsel));
+ counts = perf_counts__alloc(ncpus, nthreads);
if (counts)
evsel->prev_raw_counts = counts;
@@ -197,11 +198,14 @@ static void perf_evlist__free_stats(struct perf_evlist *evlist)
static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
{
struct perf_evsel *evsel;
+ int nthreads = thread_map__nr(evsel_list->threads);
evlist__for_each(evlist, evsel) {
+ int ncpus = perf_evsel__nr_cpus(evsel);
+
if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
- perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 ||
- (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0))
+ perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 ||
+ (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))
goto out_free;
}
@@ -294,7 +298,7 @@ static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip)
return 0;
}
-static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
+static int read_cb(struct perf_evsel *evsel, int cpu, int thread,
struct perf_counts_values *count)
{
struct perf_counts_values *aggr = &evsel->counts->aggr;
@@ -314,9 +318,9 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
case AGGR_SOCKET:
case AGGR_NONE:
if (!evsel->snapshot)
- perf_evsel__compute_deltas(evsel, cpu, count);
+ perf_evsel__compute_deltas(evsel, cpu, thread, count);
perf_counts_values__scale(count, scale, NULL);
- *perf_counts(evsel->counts, cpu) = *count;
+ *perf_counts(evsel->counts, cpu, thread) = *count;
if (aggr_mode == AGGR_NONE)
perf_stat__update_shadow_stats(evsel, count->values, cpu);
break;
@@ -352,7 +356,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
return -1;
if (!counter->snapshot)
- perf_evsel__compute_deltas(counter, -1, aggr);
+ perf_evsel__compute_deltas(counter, -1, -1, aggr);
perf_counts_values__scale(aggr, scale, &counter->counts->scaled);
for (i = 0; i < 3; i++)
@@ -802,9 +806,9 @@ static void print_aggr(char *prefix)
s2 = aggr_get_id(evsel_list->cpus, cpu2);
if (s2 != id)
continue;
- val += perf_counts(counter->counts, cpu)->val;
- ena += perf_counts(counter->counts, cpu)->ena;
- run += perf_counts(counter->counts, cpu)->run;
+ val += perf_counts(counter->counts, cpu, 0)->val;
+ ena += perf_counts(counter->counts, cpu, 0)->ena;
+ run += perf_counts(counter->counts, cpu, 0)->run;
nr++;
}
if (prefix)
@@ -912,9 +916,9 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
int cpu;
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- val = perf_counts(counter->counts, cpu)->val;
- ena = perf_counts(counter->counts, cpu)->ena;
- run = perf_counts(counter->counts, cpu)->run;
+ val = perf_counts(counter->counts, cpu, 0)->val;
+ ena = perf_counts(counter->counts, cpu, 0)->ena;
+ run = perf_counts(counter->counts, cpu, 0)->run;
if (prefix)
fprintf(output, "%s", prefix);
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index a89a39f282ea..d943c8b18fe1 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -77,7 +77,7 @@ int test__openat_syscall_event_on_all_cpus(void)
* we use the auto allocation it will allocate just for 1 cpu,
* as we start by cpu 0.
*/
- if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) {
+ if (perf_evsel__alloc_counts(evsel, cpus->nr, 1) < 0) {
pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr);
goto out_close_fd;
}
@@ -97,9 +97,9 @@ int test__openat_syscall_event_on_all_cpus(void)
}
expected = nr_openat_calls + cpu;
- if (perf_counts(evsel->counts, cpu)->val != expected) {
+ if (perf_counts(evsel->counts, cpu, 0)->val != expected) {
pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
- expected, cpus->map[cpu], perf_counts(evsel->counts, cpu)->val);
+ expected, cpus->map[cpu], perf_counts(evsel->counts, cpu, 0)->val);
err = -1;
}
}
diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c
index bd882f09ebbc..c9a37bc6b33a 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -44,9 +44,9 @@ int test__openat_syscall_event(void)
goto out_close_fd;
}
- if (perf_counts(evsel->counts, 0)->val != nr_openat_calls) {
+ if (perf_counts(evsel->counts, 0, 0)->val != nr_openat_calls) {
pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
- nr_openat_calls, perf_counts(evsel->counts, 0)->val);
+ nr_openat_calls, perf_counts(evsel->counts, 0, 0)->val);
goto out_close_fd;
}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index e69a7ee4cc0b..b9f798732866 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -851,14 +851,14 @@ int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
return 0;
}
-struct perf_counts *perf_counts__alloc(int ncpus)
+struct perf_counts *perf_counts__alloc(int ncpus, int nthreads)
{
struct perf_counts *counts = zalloc(sizeof(*counts));
if (counts) {
struct xyarray *cpu;
- cpu = xyarray__new(ncpus, 1, sizeof(struct perf_counts_values));
+ cpu = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
if (!cpu) {
free(counts);
return NULL;
@@ -888,9 +888,9 @@ void perf_evsel__reset_counts(struct perf_evsel *evsel)
perf_counts__reset(evsel->counts);
}
-int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus)
+int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads)
{
- evsel->counts = perf_counts__alloc(ncpus);
+ evsel->counts = perf_counts__alloc(ncpus, nthreads);
return evsel->counts != NULL ? 0 : -ENOMEM;
}
@@ -946,7 +946,7 @@ void perf_evsel__delete(struct perf_evsel *evsel)
free(evsel);
}
-void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
+void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
struct perf_counts_values *count)
{
struct perf_counts_values tmp;
@@ -958,8 +958,8 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
tmp = evsel->prev_raw_counts->aggr;
evsel->prev_raw_counts->aggr = *count;
} else {
- tmp = *perf_counts(evsel->prev_raw_counts, cpu);
- *perf_counts(evsel->prev_raw_counts, cpu) = *count;
+ tmp = *perf_counts(evsel->prev_raw_counts, cpu, thread);
+ *perf_counts(evsel->prev_raw_counts, cpu, thread) = *count;
}
count->val = count->val - tmp.val;
@@ -1012,15 +1012,15 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
if (FD(evsel, cpu, thread) < 0)
return -EINVAL;
- if (evsel->counts == NULL && perf_evsel__alloc_counts(evsel, cpu + 1) < 0)
+ if (evsel->counts == NULL && perf_evsel__alloc_counts(evsel, cpu + 1, thread + 1) < 0)
return -ENOMEM;
if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) < 0)
return -errno;
- perf_evsel__compute_deltas(evsel, cpu, &count);
+ perf_evsel__compute_deltas(evsel, cpu, thread, &count);
perf_counts_values__scale(&count, scale, NULL);
- *perf_counts(evsel->counts, cpu) = count;
+ *perf_counts(evsel->counts, cpu, thread) = count;
return 0;
}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 12e87f917d44..5e3a9d875137 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -128,16 +128,16 @@ static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
void perf_counts_values__scale(struct perf_counts_values *count,
bool scale, s8 *pscaled);
-void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
+void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
struct perf_counts_values *count);
-struct perf_counts *perf_counts__alloc(int ncpus);
+struct perf_counts *perf_counts__alloc(int ncpus, int nthreads);
void perf_counts__free(struct perf_counts *counts);
static inline struct perf_counts_values*
-perf_counts(struct perf_counts *counts, int cpu)
+perf_counts(struct perf_counts *counts, int cpu, int thread)
{
- return xyarray__entry(counts->cpu, cpu, 0);
+ return xyarray__entry(counts->cpu, cpu, thread);
}
int perf_evsel__object_config(size_t object_size,
@@ -191,7 +191,7 @@ const char *perf_evsel__group_name(struct perf_evsel *evsel);
int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
-int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
+int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads);
void perf_evsel__reset_counts(struct perf_evsel *evsel);
void perf_evsel__free_counts(struct perf_evsel *evsel);
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
--
1.9.3
--
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