perf stat: Correct variable name for read counter
Switch from cpu to cpu_map_idx to reduce confusion. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Vineet Singh <vineet.singh@intel.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: zhengjun.xing@intel.com Link: https://lore.kernel.org/r/20220105061351.120843-37-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
Arnaldo Carvalho de Melo
Родитель
7ac0089d13
Коммит
da8c94c065
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@ -337,25 +337,25 @@ static int evsel__write_stat_event(struct evsel *counter, int cpu_map_idx, u32 t
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process_synthesized_event, NULL);
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}
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static int read_single_counter(struct evsel *counter, int cpu,
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static int read_single_counter(struct evsel *counter, int cpu_map_idx,
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int thread, struct timespec *rs)
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{
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if (counter->tool_event == PERF_TOOL_DURATION_TIME) {
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u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL;
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struct perf_counts_values *count =
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perf_counts(counter->counts, cpu, thread);
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perf_counts(counter->counts, cpu_map_idx, thread);
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count->ena = count->run = val;
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count->val = val;
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return 0;
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}
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return evsel__read_counter(counter, cpu, thread);
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return evsel__read_counter(counter, cpu_map_idx, thread);
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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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*/
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static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
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static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu_map_idx)
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{
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int nthreads = perf_thread_map__nr(evsel_list->core.threads);
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int thread;
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@ -369,24 +369,24 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
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for (thread = 0; thread < nthreads; thread++) {
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struct perf_counts_values *count;
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count = perf_counts(counter->counts, cpu, thread);
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count = perf_counts(counter->counts, cpu_map_idx, thread);
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/*
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* The leader's group read loads data into its group members
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* (via evsel__read_counter()) and sets their count->loaded.
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*/
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if (!perf_counts__is_loaded(counter->counts, cpu, thread) &&
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read_single_counter(counter, cpu, thread, rs)) {
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if (!perf_counts__is_loaded(counter->counts, cpu_map_idx, thread) &&
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read_single_counter(counter, cpu_map_idx, thread, rs)) {
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counter->counts->scaled = -1;
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perf_counts(counter->counts, cpu, thread)->ena = 0;
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perf_counts(counter->counts, cpu, thread)->run = 0;
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perf_counts(counter->counts, cpu_map_idx, thread)->ena = 0;
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perf_counts(counter->counts, cpu_map_idx, thread)->run = 0;
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return -1;
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}
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perf_counts__set_loaded(counter->counts, cpu, thread, false);
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perf_counts__set_loaded(counter->counts, cpu_map_idx, thread, false);
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if (STAT_RECORD) {
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if (evsel__write_stat_event(counter, cpu, thread, count)) {
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if (evsel__write_stat_event(counter, cpu_map_idx, thread, count)) {
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pr_err("failed to write stat event\n");
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return -1;
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}
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@ -396,7 +396,7 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
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fprintf(stat_config.output,
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"%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
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evsel__name(counter),
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cpu,
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perf_cpu_map__cpu(evsel__cpus(counter), cpu_map_idx),
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count->val, count->ena, count->run);
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}
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}
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@ -1476,11 +1476,11 @@ void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
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count->run = count->run - tmp.run;
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}
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static int evsel__read_one(struct evsel *evsel, int cpu, int thread)
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static int evsel__read_one(struct evsel *evsel, int cpu_map_idx, int thread)
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{
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struct perf_counts_values *count = perf_counts(evsel->counts, cpu, thread);
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struct perf_counts_values *count = perf_counts(evsel->counts, cpu_map_idx, thread);
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return perf_evsel__read(&evsel->core, cpu, thread, count);
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return perf_evsel__read(&evsel->core, cpu_map_idx, thread, count);
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}
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static void evsel__set_count(struct evsel *counter, int cpu, int thread, u64 val, u64 ena, u64 run)
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@ -1530,7 +1530,7 @@ static int evsel__process_group_data(struct evsel *leader, int cpu, int thread,
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return 0;
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}
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static int evsel__read_group(struct evsel *leader, int cpu, int thread)
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static int evsel__read_group(struct evsel *leader, int cpu_map_idx, int thread)
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{
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struct perf_stat_evsel *ps = leader->stats;
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u64 read_format = leader->core.attr.read_format;
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@ -1551,42 +1551,42 @@ static int evsel__read_group(struct evsel *leader, int cpu, int thread)
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ps->group_data = data;
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}
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if (FD(leader, cpu, thread) < 0)
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if (FD(leader, cpu_map_idx, thread) < 0)
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return -EINVAL;
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if (readn(FD(leader, cpu, thread), data, size) <= 0)
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if (readn(FD(leader, cpu_map_idx, thread), data, size) <= 0)
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return -errno;
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return evsel__process_group_data(leader, cpu, thread, data);
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return evsel__process_group_data(leader, cpu_map_idx, thread, data);
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}
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int evsel__read_counter(struct evsel *evsel, int cpu, int thread)
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int evsel__read_counter(struct evsel *evsel, int cpu_map_idx, int thread)
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{
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u64 read_format = evsel->core.attr.read_format;
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if (read_format & PERF_FORMAT_GROUP)
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return evsel__read_group(evsel, cpu, thread);
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return evsel__read_group(evsel, cpu_map_idx, thread);
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return evsel__read_one(evsel, cpu, thread);
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return evsel__read_one(evsel, cpu_map_idx, thread);
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}
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int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale)
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int __evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread, bool scale)
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{
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struct perf_counts_values count;
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size_t nv = scale ? 3 : 1;
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if (FD(evsel, cpu, thread) < 0)
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if (FD(evsel, cpu_map_idx, thread) < 0)
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return -EINVAL;
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if (evsel->counts == NULL && evsel__alloc_counts(evsel) < 0)
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return -ENOMEM;
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if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) <= 0)
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if (readn(FD(evsel, cpu_map_idx, thread), &count, nv * sizeof(u64)) <= 0)
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return -errno;
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evsel__compute_deltas(evsel, cpu, thread, &count);
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evsel__compute_deltas(evsel, cpu_map_idx, thread, &count);
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perf_counts_values__scale(&count, scale, NULL);
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*perf_counts(evsel->counts, cpu, thread) = count;
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*perf_counts(evsel->counts, cpu_map_idx, thread) = count;
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return 0;
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}
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@ -333,32 +333,32 @@ static inline bool evsel__match2(struct evsel *e1, struct evsel *e2)
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(e1->core.attr.config == e2->core.attr.config);
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}
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int evsel__read_counter(struct evsel *evsel, int cpu, int thread);
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int evsel__read_counter(struct evsel *evsel, int cpu_map_idx, int thread);
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int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale);
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int __evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread, bool scale);
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/**
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* evsel__read_on_cpu - Read out the results on a CPU and thread
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*
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* @evsel - event selector to read value
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* @cpu - CPU of interest
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* @cpu_map_idx - CPU of interest
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* @thread - thread of interest
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*/
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static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread)
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static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread)
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{
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return __evsel__read_on_cpu(evsel, cpu, thread, false);
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return __evsel__read_on_cpu(evsel, cpu_map_idx, thread, false);
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}
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/**
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* evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
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*
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* @evsel - event selector to read value
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* @cpu - CPU of interest
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* @cpu_map_idx - CPU of interest
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* @thread - thread of interest
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*/
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static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu, int thread)
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static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu_map_idx, int thread)
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{
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return __evsel__read_on_cpu(evsel, cpu, thread, true);
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return __evsel__read_on_cpu(evsel, cpu_map_idx, thread, true);
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}
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int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
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