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Date: Wed, 10 Jun 2015 20:10:42 +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 09/25] perf stat: Introduce perf_counts function
Introducing perf_counts function, that returns
'struct perf_counts_values' pointer for given cpu.
Link: http://lkml.kernel.org/n/tip-qu64zmm5zbpbkuybusnkg4gl@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
tools/perf/builtin-stat.c | 14 +++++++-------
tools/perf/tests/openat-syscall-all-cpus.c | 4 ++--
tools/perf/tests/openat-syscall.c | 2 +-
tools/perf/util/evsel.c | 6 +++---
tools/perf/util/evsel.h | 6 ++++++
5 files changed, 19 insertions(+), 13 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 90766538fd8f..7d1aebd5e1e4 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -316,7 +316,7 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
if (!evsel->snapshot)
perf_evsel__compute_deltas(evsel, cpu, count);
perf_counts_values__scale(count, scale, NULL);
- evsel->counts->cpu[cpu] = *count;
+ *perf_counts(evsel->counts, cpu) = *count;
if (aggr_mode == AGGR_NONE)
perf_stat__update_shadow_stats(evsel, count->values, cpu);
break;
@@ -802,9 +802,9 @@ static void print_aggr(char *prefix)
s2 = aggr_get_id(evsel_list->cpus, cpu2);
if (s2 != id)
continue;
- val += counter->counts->cpu[cpu].val;
- ena += counter->counts->cpu[cpu].ena;
- run += counter->counts->cpu[cpu].run;
+ val += perf_counts(counter->counts, cpu)->val;
+ ena += perf_counts(counter->counts, cpu)->ena;
+ run += perf_counts(counter->counts, cpu)->run;
nr++;
}
if (prefix)
@@ -912,9 +912,9 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
int cpu;
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- val = counter->counts->cpu[cpu].val;
- ena = counter->counts->cpu[cpu].ena;
- run = counter->counts->cpu[cpu].run;
+ val = perf_counts(counter->counts, cpu)->val;
+ ena = perf_counts(counter->counts, cpu)->ena;
+ run = perf_counts(counter->counts, cpu)->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 8801983a38f0..a89a39f282ea 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -97,9 +97,9 @@ int test__openat_syscall_event_on_all_cpus(void)
}
expected = nr_openat_calls + cpu;
- if (evsel->counts->cpu[cpu].val != expected) {
+ if (perf_counts(evsel->counts, cpu)->val != expected) {
pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
- expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
+ expected, cpus->map[cpu], perf_counts(evsel->counts, cpu)->val);
err = -1;
}
}
diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c
index bdfa1f446681..e86fc477a74f 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -44,7 +44,7 @@ int test__openat_syscall_event(void)
goto out_close_fd;
}
- if (evsel->counts->cpu[0].val != nr_openat_calls) {
+ if (perf_counts(evsel->counts, 0)->val != nr_openat_calls) {
pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
nr_openat_calls, evsel->counts->cpu[0].val);
goto out_close_fd;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index fde2416921cc..1a6bdd16ec37 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -945,8 +945,8 @@ 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 = evsel->prev_raw_counts->cpu[cpu];
- evsel->prev_raw_counts->cpu[cpu] = *count;
+ tmp = *perf_counts(evsel->prev_raw_counts, cpu);
+ *perf_counts(evsel->prev_raw_counts, cpu) = *count;
}
count->val = count->val - tmp.val;
@@ -1007,7 +1007,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
perf_evsel__compute_deltas(evsel, cpu, &count);
perf_counts_values__scale(&count, scale, NULL);
- evsel->counts->cpu[cpu] = count;
+ *perf_counts(evsel->counts, cpu) = count;
return 0;
}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index ef619645a08f..3037c24e1fea 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -134,6 +134,12 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
struct perf_counts *perf_counts__alloc(int ncpus);
void perf_counts__free(struct perf_counts *counts);
+static inline struct perf_counts_values*
+perf_counts(struct perf_counts *counts, int cpu)
+{
+ return &counts->cpu[cpu];
+}
+
int perf_evsel__object_config(size_t object_size,
int (*init)(struct perf_evsel *evsel),
void (*fini)(struct perf_evsel *evsel));
--
1.9.3
--
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