diff options
Diffstat (limited to 'tools/perf/pmu-events/empty-pmu-events.c')
| -rw-r--r-- | tools/perf/pmu-events/empty-pmu-events.c | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/tools/perf/pmu-events/empty-pmu-events.c b/tools/perf/pmu-events/empty-pmu-events.c index 0361bcc1eb58..d4017007a991 100644 --- a/tools/perf/pmu-events/empty-pmu-events.c +++ b/tools/perf/pmu-events/empty-pmu-events.c @@ -449,7 +449,7 @@ int pmu_events_table__find_event(const struct pmu_events_table *table, const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; int ret; - if (!perf_pmu__name_wildcard_match(pmu, pmu_name)) + if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name)) continue; ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data); @@ -495,6 +495,49 @@ static int pmu_metrics_table__for_each_metric_pmu(const struct pmu_metrics_table return 0; } +static int pmu_metrics_table__find_metric_pmu(const struct pmu_metrics_table *table, + const struct pmu_table_entry *pmu, + const char *metric, + pmu_metric_iter_fn fn, + void *data) +{ + struct pmu_metric pm = { + .pmu = &big_c_string[pmu->pmu_name.offset], + }; + int low = 0, high = pmu->num_entries - 1; + + while (low <= high) { + int cmp, mid = (low + high) / 2; + + decompress_metric(pmu->entries[mid].offset, &pm); + + if (!pm.metric_name && !metric) + goto do_call; + + if (!pm.metric_name && metric) { + low = mid + 1; + continue; + } + if (pm.metric_name && !metric) { + high = mid - 1; + continue; + } + + cmp = strcmp(pm.metric_name, metric); + if (cmp < 0) { + low = mid + 1; + continue; + } + if (cmp > 0) { + high = mid - 1; + continue; + } + do_call: + return fn ? fn(&pm, table, data) : 0; + } + return PMU_METRICS__NOT_FOUND; +} + int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, pmu_metric_iter_fn fn, void *data) @@ -509,6 +552,27 @@ int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, return 0; } +int pmu_metrics_table__find_metric(const struct pmu_metrics_table *table, + struct perf_pmu *pmu, + const char *metric, + pmu_metric_iter_fn fn, + void *data) +{ + for (size_t i = 0; i < table->num_pmus; i++) { + const struct pmu_table_entry *table_pmu = &table->pmus[i]; + const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; + int ret; + + if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name)) + continue; + + ret = pmu_metrics_table__find_metric_pmu(table, table_pmu, metric, fn, data); + if (ret != PMU_METRICS__NOT_FOUND) + return ret; + } + return PMU_METRICS__NOT_FOUND; +} + static const struct pmu_events_map *map_for_cpu(struct perf_cpu cpu) { static struct { |