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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>
This commit is contained in:
Jiri Olsa
Arnaldo Carvalho de Melo
parent
5e5fe748be
commit
f80010eb23
@ -179,145 +179,6 @@ static inline int nsec_counter(struct perf_evsel *evsel)
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return 0;
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}
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static void zero_per_pkg(struct perf_evsel *counter)
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{
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if (counter->per_pkg_mask)
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memset(counter->per_pkg_mask, 0, MAX_NR_CPUS);
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}
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static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip)
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{
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unsigned long *mask = counter->per_pkg_mask;
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struct cpu_map *cpus = perf_evsel__cpus(counter);
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int s;
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*skip = false;
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if (!counter->per_pkg)
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return 0;
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if (cpu_map__empty(cpus))
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return 0;
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if (!mask) {
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mask = zalloc(MAX_NR_CPUS);
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if (!mask)
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return -ENOMEM;
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counter->per_pkg_mask = mask;
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}
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s = cpu_map__get_socket(cpus, cpu);
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if (s < 0)
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return -1;
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*skip = test_and_set_bit(s, mask) == 1;
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return 0;
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}
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static int
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process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel,
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int cpu, int thread,
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struct perf_counts_values *count)
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{
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struct perf_counts_values *aggr = &evsel->counts->aggr;
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static struct perf_counts_values zero;
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bool skip = false;
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if (check_per_pkg(evsel, cpu, &skip)) {
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pr_err("failed to read per-pkg counter\n");
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return -1;
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}
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if (skip)
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count = &zero;
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switch (config->aggr_mode) {
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case AGGR_THREAD:
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case AGGR_CORE:
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case AGGR_SOCKET:
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case AGGR_NONE:
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if (!evsel->snapshot)
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perf_evsel__compute_deltas(evsel, cpu, thread, count);
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perf_counts_values__scale(count, config->scale, NULL);
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if (config->aggr_mode == AGGR_NONE)
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perf_stat__update_shadow_stats(evsel, count->values, cpu);
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break;
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case AGGR_GLOBAL:
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aggr->val += count->val;
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if (config->scale) {
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aggr->ena += count->ena;
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aggr->run += count->run;
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}
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default:
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break;
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}
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return 0;
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}
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static int process_counter_maps(struct perf_stat_config *config,
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struct perf_evsel *counter)
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{
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int nthreads = thread_map__nr(counter->threads);
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int ncpus = perf_evsel__nr_cpus(counter);
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int cpu, thread;
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if (counter->system_wide)
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nthreads = 1;
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for (thread = 0; thread < nthreads; thread++) {
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for (cpu = 0; cpu < ncpus; cpu++) {
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if (process_counter_values(config, counter, cpu, thread,
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perf_counts(counter->counts, cpu, thread)))
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return -1;
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}
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}
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return 0;
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}
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static int process_counter(struct perf_stat_config *config,
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struct perf_evsel *counter)
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{
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struct perf_counts_values *aggr = &counter->counts->aggr;
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struct perf_stat *ps = counter->priv;
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u64 *count = counter->counts->aggr.values;
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int i, ret;
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aggr->val = aggr->ena = aggr->run = 0;
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init_stats(ps->res_stats);
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if (counter->per_pkg)
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zero_per_pkg(counter);
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ret = process_counter_maps(&stat_config, counter);
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if (ret)
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return ret;
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if (config->aggr_mode != AGGR_GLOBAL)
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return 0;
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if (!counter->snapshot)
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perf_evsel__compute_deltas(counter, -1, -1, aggr);
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perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled);
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for (i = 0; i < 3; i++)
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update_stats(&ps->res_stats[i], count[i]);
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if (verbose) {
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fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
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perf_evsel__name(counter), count[0], count[1], count[2]);
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}
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/*
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* Save the full runtime - to allow normalization during printout:
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*/
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perf_stat__update_shadow_stats(counter, count, 0);
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return 0;
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}
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/*
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* Read out the results of a single counter:
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* do not aggregate counts across CPUs in system-wide mode
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@ -355,7 +216,7 @@ static void read_counters(bool close_counters)
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if (read_counter(counter))
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pr_warning("failed to read counter %s\n", counter->name);
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if (process_counter(&stat_config, counter))
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if (perf_stat_process_counter(&stat_config, counter))
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pr_warning("failed to process counter %s\n", counter->name);
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if (close_counters) {
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@ -238,3 +238,142 @@ void perf_evlist__reset_stats(struct perf_evlist *evlist)
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perf_evsel__reset_counts(evsel);
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}
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}
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static void zero_per_pkg(struct perf_evsel *counter)
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{
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if (counter->per_pkg_mask)
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memset(counter->per_pkg_mask, 0, MAX_NR_CPUS);
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}
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static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip)
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{
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unsigned long *mask = counter->per_pkg_mask;
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struct cpu_map *cpus = perf_evsel__cpus(counter);
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int s;
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*skip = false;
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if (!counter->per_pkg)
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return 0;
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if (cpu_map__empty(cpus))
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return 0;
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if (!mask) {
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mask = zalloc(MAX_NR_CPUS);
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if (!mask)
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return -ENOMEM;
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counter->per_pkg_mask = mask;
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}
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s = cpu_map__get_socket(cpus, cpu);
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if (s < 0)
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return -1;
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*skip = test_and_set_bit(s, mask) == 1;
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return 0;
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}
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static int
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process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel,
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int cpu, int thread,
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struct perf_counts_values *count)
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{
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struct perf_counts_values *aggr = &evsel->counts->aggr;
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static struct perf_counts_values zero;
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bool skip = false;
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if (check_per_pkg(evsel, cpu, &skip)) {
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pr_err("failed to read per-pkg counter\n");
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return -1;
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}
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if (skip)
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count = &zero;
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switch (config->aggr_mode) {
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case AGGR_THREAD:
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case AGGR_CORE:
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case AGGR_SOCKET:
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case AGGR_NONE:
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if (!evsel->snapshot)
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perf_evsel__compute_deltas(evsel, cpu, thread, count);
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perf_counts_values__scale(count, config->scale, NULL);
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if (config->aggr_mode == AGGR_NONE)
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perf_stat__update_shadow_stats(evsel, count->values, cpu);
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break;
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case AGGR_GLOBAL:
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aggr->val += count->val;
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if (config->scale) {
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aggr->ena += count->ena;
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aggr->run += count->run;
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}
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default:
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break;
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}
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return 0;
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}
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static int process_counter_maps(struct perf_stat_config *config,
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struct perf_evsel *counter)
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{
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int nthreads = thread_map__nr(counter->threads);
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int ncpus = perf_evsel__nr_cpus(counter);
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int cpu, thread;
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if (counter->system_wide)
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nthreads = 1;
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for (thread = 0; thread < nthreads; thread++) {
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for (cpu = 0; cpu < ncpus; cpu++) {
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if (process_counter_values(config, counter, cpu, thread,
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perf_counts(counter->counts, cpu, thread)))
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return -1;
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}
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}
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return 0;
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}
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int perf_stat_process_counter(struct perf_stat_config *config,
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struct perf_evsel *counter)
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{
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struct perf_counts_values *aggr = &counter->counts->aggr;
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struct perf_stat *ps = counter->priv;
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u64 *count = counter->counts->aggr.values;
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int i, ret;
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aggr->val = aggr->ena = aggr->run = 0;
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init_stats(ps->res_stats);
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if (counter->per_pkg)
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zero_per_pkg(counter);
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ret = process_counter_maps(config, counter);
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if (ret)
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return ret;
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if (config->aggr_mode != AGGR_GLOBAL)
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return 0;
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if (!counter->snapshot)
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perf_evsel__compute_deltas(counter, -1, -1, aggr);
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perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled);
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for (i = 0; i < 3; i++)
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update_stats(&ps->res_stats[i], count[i]);
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if (verbose) {
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fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
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perf_evsel__name(counter), count[0], count[1], count[2]);
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}
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/*
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* Save the full runtime - to allow normalization during printout:
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*/
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perf_stat__update_shadow_stats(counter, count, 0);
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return 0;
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}
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@ -116,4 +116,7 @@ int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw);
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int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
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void perf_evlist__free_stats(struct perf_evlist *evlist);
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void perf_evlist__reset_stats(struct perf_evlist *evlist);
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int perf_stat_process_counter(struct perf_stat_config *config,
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struct perf_evsel *counter);
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#endif
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