From a6fa003855d38d53d90c1a8a5827102e62702334 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Fri, 26 Jun 2015 11:29:11 +0200 Subject: [PATCH] perf stat: Make stats work over the thread dimension Now that we have space for thread dimension counts, let's store it. Signed-off-by: Jiri Olsa Cc: Adrian Hunter Cc: Andi Kleen Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1435310967-14570-7-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 | 12 ++++---- tools/perf/util/evsel.h | 2 +- tools/perf/util/stat.c | 8 +++--- tools/perf/util/stat.h | 8 +++--- 7 files changed, 38 insertions(+), 34 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 055ce83dd6f2..983bcbbe8e0a 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__new(perf_evsel__nr_cpus(evsel)); + counts = perf_counts__new(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++) @@ -805,9 +809,9 @@ 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) @@ -915,9 +919,9 @@ 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 e8d944fe1bd0..a572f87e9c8d 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -78,7 +78,7 @@ 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; } @@ -98,9 +98,9 @@ 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 8401b042b9d4..cd6ce7066f85 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -898,7 +898,7 @@ 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; @@ -910,8 +910,8 @@ 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; @@ -964,15 +964,15 @@ 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 b420f8f5fc5d..020f7e13634a 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -112,7 +112,7 @@ 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); int perf_evsel__object_config(size_t object_size, diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 453480aa7650..7bcc19b62dd1 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -95,14 +95,14 @@ void perf_stat_evsel_id_init(struct perf_evsel *evsel) } } -struct perf_counts *perf_counts__new(int ncpus) +struct perf_counts *perf_counts__new(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; @@ -132,9 +132,9 @@ 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__new(ncpus); + evsel->counts = perf_counts__new(ncpus, nthreads); return evsel->counts != NULL ? 0 : -ENOMEM; } diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 6d07612545e0..e0b8dc50fbb6 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -50,9 +50,9 @@ struct perf_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); } void update_stats(struct stats *stats, u64 val); @@ -86,10 +86,10 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, double avg, int cpu, enum aggr_mode aggr); -struct perf_counts *perf_counts__new(int ncpus); +struct perf_counts *perf_counts__new(int ncpus, int nthreads); void perf_counts__delete(struct perf_counts *counts); void perf_evsel__reset_counts(struct perf_evsel *evsel); -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__free_counts(struct perf_evsel *evsel); #endif -- GitLab