diff options
Diffstat (limited to 'tools/perf/pmu-events/jevents.py')
| -rwxr-xr-x | tools/perf/pmu-events/jevents.py | 94 |
1 files changed, 87 insertions, 7 deletions
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py index d781a377757a..a1899f35ec74 100755 --- a/tools/perf/pmu-events/jevents.py +++ b/tools/perf/pmu-events/jevents.py @@ -47,6 +47,9 @@ _json_event_attributes = [ 'event', # Short things in alphabetical order. 'compat', 'deprecated', 'perpkg', 'unit', + # Retirement latency specific to Intel granite rapids currently. + 'retirement_latency_mean', 'retirement_latency_min', + 'retirement_latency_max', # Longer things (the last won't be iterated over during decompress). 'long_desc' ] @@ -341,6 +344,9 @@ class JsonEvent: self.perpkg = jd.get('PerPkg') self.aggr_mode = convert_aggr_mode(jd.get('AggregationMode')) self.deprecated = jd.get('Deprecated') + self.retirement_latency_mean = jd.get('RetirementLatencyMean') + self.retirement_latency_min = jd.get('RetirementLatencyMin') + self.retirement_latency_max = jd.get('RetirementLatencyMax') self.metric_name = jd.get('MetricName') self.metric_group = jd.get('MetricGroup') self.metricgroup_no_group = jd.get('MetricgroupNoGroup') @@ -430,8 +436,11 @@ class JsonEvent: def to_c_string(self, metric: bool) -> str: """Representation of the event as a C struct initializer.""" + def fix_comment(s: str) -> str: + return s.replace('*/', r'\*\/') + s = self.build_c_string(metric) - return f'{{ { _bcs.offsets[s] } }}, /* {s} */\n' + return f'{{ { _bcs.offsets[s] } }}, /* {fix_comment(s)} */\n' @lru_cache(maxsize=None) @@ -461,12 +470,16 @@ def preprocess_arch_std_files(archpath: str) -> None: """Read in all architecture standard events.""" global _arch_std_events for item in os.scandir(archpath): - if item.is_file() and item.name.endswith('.json'): + if not item.is_file() or not item.name.endswith('.json'): + continue + try: for event in read_json_events(item.path, topic=''): if event.name: _arch_std_events[event.name.lower()] = event if event.metric_name: _arch_std_events[event.metric_name.lower()] = event + except Exception as e: + raise RuntimeError(f'Failure processing \'{item.name}\' in \'{archpath}\'') from e def add_events_table_entries(item: os.DirEntry, topic: str) -> None: @@ -938,7 +951,7 @@ int pmu_events_table__for_each_event(const struct pmu_events_table *table, const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; int ret; - if (pmu && !pmu__name_match(pmu, pmu_name)) + if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name)) continue; ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data); @@ -959,7 +972,7 @@ 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 (!pmu__name_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); @@ -978,7 +991,7 @@ size_t pmu_events_table__num_events(const struct pmu_events_table *table, const struct pmu_table_entry *table_pmu = &table->pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; - if (pmu__name_match(pmu, pmu_name)) + if (perf_pmu__name_wildcard_match(pmu, pmu_name)) count += table_pmu->num_entries; } return count; @@ -1005,6 +1018,49 @@ 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) @@ -1019,6 +1075,27 @@ 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 { @@ -1097,7 +1174,7 @@ const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu) const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; - if (pmu__name_match(pmu, pmu_name)) + if (perf_pmu__name_wildcard_match(pmu, pmu_name)) return &map->event_table; } return NULL; @@ -1252,7 +1329,10 @@ def main() -> None: item_path = '/'.join(parents) + ('/' if len(parents) > 0 else '') + item.name if 'test' not in item_path and 'common' not in item_path and item_path not in _args.model.split(','): continue - action(parents, item) + try: + action(parents, item) + except Exception as e: + raise RuntimeError(f'Action failure for \'{item.name}\' in {parents}') from e if item.is_dir(): ftw(item.path, parents + [item.name], action) |