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author | Jiri Olsa <jolsa@kernel.org> | 2015-07-21 12:31:27 (GMT) |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-08-06 19:08:16 (GMT) |
commit | f80010eb230b94e8d9cf5bf83373a097fb5b2dcc (patch) | |
tree | a122a4edc3bd68d173c274ad168651b8fa2856e8 /tools/perf/builtin-stat.c | |
parent | 5e5fe748bec771a810b1f44ec9c19e4b92685246 (diff) | |
download | linux-f80010eb230b94e8d9cf5bf83373a097fb5b2dcc.tar.xz |
perf stat: Move counter processing code into stat object
Moving counter processing code into stat object as
perf_stat__process_counter.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1437481927-29538-8-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-stat.c')
-rw-r--r-- | tools/perf/builtin-stat.c | 141 |
1 files changed, 1 insertions, 140 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 5a78171..a054ddc 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -179,145 +179,6 @@ static inline int nsec_counter(struct perf_evsel *evsel) return 0; } -static void zero_per_pkg(struct perf_evsel *counter) -{ - if (counter->per_pkg_mask) - memset(counter->per_pkg_mask, 0, MAX_NR_CPUS); -} - -static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip) -{ - unsigned long *mask = counter->per_pkg_mask; - struct cpu_map *cpus = perf_evsel__cpus(counter); - int s; - - *skip = false; - - if (!counter->per_pkg) - return 0; - - if (cpu_map__empty(cpus)) - return 0; - - if (!mask) { - mask = zalloc(MAX_NR_CPUS); - if (!mask) - return -ENOMEM; - - counter->per_pkg_mask = mask; - } - - s = cpu_map__get_socket(cpus, cpu); - if (s < 0) - return -1; - - *skip = test_and_set_bit(s, mask) == 1; - return 0; -} - -static int -process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel, - int cpu, int thread, - struct perf_counts_values *count) -{ - struct perf_counts_values *aggr = &evsel->counts->aggr; - static struct perf_counts_values zero; - bool skip = false; - - if (check_per_pkg(evsel, cpu, &skip)) { - pr_err("failed to read per-pkg counter\n"); - return -1; - } - - if (skip) - count = &zero; - - switch (config->aggr_mode) { - case AGGR_THREAD: - case AGGR_CORE: - case AGGR_SOCKET: - case AGGR_NONE: - if (!evsel->snapshot) - perf_evsel__compute_deltas(evsel, cpu, thread, count); - perf_counts_values__scale(count, config->scale, NULL); - if (config->aggr_mode == AGGR_NONE) - perf_stat__update_shadow_stats(evsel, count->values, cpu); - break; - case AGGR_GLOBAL: - aggr->val += count->val; - if (config->scale) { - aggr->ena += count->ena; - aggr->run += count->run; - } - default: - break; - } - - return 0; -} - -static int process_counter_maps(struct perf_stat_config *config, - struct perf_evsel *counter) -{ - int nthreads = thread_map__nr(counter->threads); - int ncpus = perf_evsel__nr_cpus(counter); - int cpu, thread; - - if (counter->system_wide) - nthreads = 1; - - for (thread = 0; thread < nthreads; thread++) { - for (cpu = 0; cpu < ncpus; cpu++) { - if (process_counter_values(config, counter, cpu, thread, - perf_counts(counter->counts, cpu, thread))) - return -1; - } - } - - return 0; -} - -static int process_counter(struct perf_stat_config *config, - struct perf_evsel *counter) -{ - struct perf_counts_values *aggr = &counter->counts->aggr; - struct perf_stat *ps = counter->priv; - u64 *count = counter->counts->aggr.values; - int i, ret; - - aggr->val = aggr->ena = aggr->run = 0; - init_stats(ps->res_stats); - - if (counter->per_pkg) - zero_per_pkg(counter); - - ret = process_counter_maps(&stat_config, counter); - if (ret) - return ret; - - if (config->aggr_mode != AGGR_GLOBAL) - return 0; - - if (!counter->snapshot) - perf_evsel__compute_deltas(counter, -1, -1, aggr); - perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled); - - for (i = 0; i < 3; i++) - update_stats(&ps->res_stats[i], count[i]); - - if (verbose) { - fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", - perf_evsel__name(counter), count[0], count[1], count[2]); - } - - /* - * Save the full runtime - to allow normalization during printout: - */ - perf_stat__update_shadow_stats(counter, count, 0); - - return 0; -} - /* * Read out the results of a single counter: * do not aggregate counts across CPUs in system-wide mode @@ -355,7 +216,7 @@ static void read_counters(bool close_counters) if (read_counter(counter)) pr_warning("failed to read counter %s\n", counter->name); - if (process_counter(&stat_config, counter)) + if (perf_stat_process_counter(&stat_config, counter)) pr_warning("failed to process counter %s\n", counter->name); if (close_counters) { |