diff options
Diffstat (limited to 'tools/perf/pmu-events/jevents.py')
| -rwxr-xr-x | tools/perf/pmu-events/jevents.py | 229 |
1 files changed, 195 insertions, 34 deletions
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py index bb0a5d92df4a..3a1bcdcdc685 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' ] @@ -55,10 +58,12 @@ _json_event_attributes = [ _json_metric_attributes = [ 'metric_name', 'metric_group', 'metric_expr', 'metric_threshold', 'desc', 'long_desc', 'unit', 'compat', 'metricgroup_no_group', - 'default_metricgroup_name', 'aggr_mode', 'event_grouping' + 'default_metricgroup_name', 'aggr_mode', 'event_grouping', + 'default_show_events' ] # Attributes that are bools or enum int values, encoded as '0', '1',... -_json_enum_attributes = ['aggr_mode', 'deprecated', 'event_grouping', 'perpkg'] +_json_enum_attributes = ['aggr_mode', 'deprecated', 'event_grouping', 'perpkg', + 'default_show_events'] def removesuffix(s: str, suffix: str) -> str: """Remove the suffix from a string @@ -232,6 +237,7 @@ class JsonEvent: 'NO_GROUP_EVENTS_NMI': '2', 'NO_NMI_WATCHDOG': '2', 'NO_GROUP_EVENTS_SMT': '3', + 'NO_THRESHOLD_AND_NMI': '4', } return metric_constraint_to_enum[metric_constraint] @@ -292,6 +298,8 @@ class JsonEvent: 'cpu_atom': 'cpu_atom', 'ali_drw': 'ali_drw', 'arm_cmn': 'arm_cmn', + 'software': 'software', + 'tool': 'tool', } return table[unit] if unit in table else f'uncore_{unit.lower()}' @@ -319,6 +327,8 @@ class JsonEvent: eventcode |= int(jd['ExtSel']) << 8 configcode = int(jd['ConfigCode'], 0) if 'ConfigCode' in jd else None eventidcode = int(jd['EventidCode'], 0) if 'EventidCode' in jd else None + legacy_hw_config = int(jd['LegacyConfigCode'], 0) if 'LegacyConfigCode' in jd else None + legacy_cache_config = int(jd['LegacyCacheCode'], 0) if 'LegacyCacheCode' in jd else None self.name = jd['EventName'].lower() if 'EventName' in jd else None self.topic = '' self.compat = jd.get('Compat') @@ -340,11 +350,15 @@ 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') self.default_metricgroup_name = jd.get('DefaultMetricgroupName') self.event_grouping = convert_metric_constraint(jd.get('MetricConstraint')) + self.default_show_events = jd.get('DefaultShowEvents') self.metric_expr = None if 'MetricExpr' in jd: self.metric_expr = metric.ParsePerfJson(jd['MetricExpr']).Simplify() @@ -361,6 +375,10 @@ class JsonEvent: event = f'config={llx(configcode)}' elif eventidcode is not None: event = f'eventid={llx(eventidcode)}' + elif legacy_hw_config is not None: + event = f'legacy-hardware-config={llx(legacy_hw_config)}' + elif legacy_cache_config is not None: + event = f'legacy-cache-config={llx(legacy_cache_config)}' else: event = f'event={llx(eventcode)}' event_fields = [ @@ -390,6 +408,9 @@ class JsonEvent: self.desc += extra_desc if self.long_desc and extra_desc: self.long_desc += extra_desc + if self.desc and self.long_desc and self.desc == self.long_desc: + # Avoid duplicated descriptions. + self.long_desc = None if arch_std: if arch_std.lower() in _arch_std_events: event = _arch_std_events[arch_std.lower()].event @@ -429,8 +450,11 @@ 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) @@ -460,12 +484,16 @@ 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: @@ -473,7 +501,8 @@ def add_events_table_entries(item: os.DirEntry, topic: str) -> None: for e in read_json_events(item.path, topic): if e.name: _pending_events.append(e) - if e.metric_name: + if e.metric_name and not any(e.metric_name == x.metric_name and + e.pmu == x.pmu for x in _pending_metrics): _pending_metrics.append(e) @@ -525,7 +554,7 @@ def print_pending_events() -> None: _args.output_file.write(f""" }}; -const struct pmu_table_entry {_pending_events_tblname}[] = {{ +static const struct pmu_table_entry {_pending_events_tblname}[] = {{ """) for (pmu, tbl_pmu) in sorted(pmus): pmu_name = f"{pmu}\\000" @@ -580,7 +609,7 @@ def print_pending_metrics() -> None: _args.output_file.write(f""" }}; -const struct pmu_table_entry {_pending_metrics_tblname}[] = {{ +static const struct pmu_table_entry {_pending_metrics_tblname}[] = {{ """) for (pmu, tbl_pmu) in sorted(pmus): pmu_name = f"{pmu}\\000" @@ -612,7 +641,7 @@ def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None: if not item.is_file() or not item.name.endswith('.json'): return - if item.name == 'metricgroups.json': + if item.name.endswith('metricgroups.json'): metricgroup_descriptions = json.load(open(item.path)) for mgroup in metricgroup_descriptions: assert len(mgroup) > 1, parents @@ -665,7 +694,7 @@ def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None: # Ignore other directories. If the file name does not have a .json # extension, ignore it. It could be a readme.txt for instance. - if not item.is_file() or not item.name.endswith('.json') or item.name == 'metricgroups.json': + if not item.is_file() or not item.name.endswith('.json') or item.name.endswith('metricgroups.json'): return add_events_table_entries(item, get_topic(item.name)) @@ -705,7 +734,7 @@ struct pmu_events_map { * Global table mapping each known CPU for the architecture to its * table of PMU events. */ -const struct pmu_events_map pmu_events_map[] = { +static const struct pmu_events_map pmu_events_map[] = { """) for arch in archs: if arch == 'test': @@ -722,6 +751,20 @@ const struct pmu_events_map pmu_events_map[] = { \t} }, """) + elif arch == 'common': + _args.output_file.write("""{ +\t.arch = "common", +\t.cpuid = "common", +\t.event_table = { +\t\t.pmus = pmu_events__common, +\t\t.num_pmus = ARRAY_SIZE(pmu_events__common), +\t}, +\t.metric_table = { +\t\t.pmus = pmu_metrics__common, +\t\t.num_pmus = ARRAY_SIZE(pmu_metrics__common), +\t}, +}, +""") else: with open(f'{_args.starting_dir}/{arch}/mapfile.csv') as csvfile: table = csv.reader(csvfile) @@ -921,16 +964,18 @@ int pmu_events_table__for_each_event(const struct pmu_events_table *table, pmu_event_iter_fn fn, void *data) { + if (!table) + return 0; 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 && !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); - if (pmu || ret) + if (ret) return ret; } return 0; @@ -942,12 +987,14 @@ int pmu_events_table__find_event(const struct pmu_events_table *table, pmu_event_iter_fn fn, void *data) { + if (!table) + return PMU_EVENTS__NOT_FOUND; 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__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); @@ -962,11 +1009,13 @@ size_t pmu_events_table__num_events(const struct pmu_events_table *table, { size_t count = 0; + if (!table) + return 0; 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]; - if (pmu__name_match(pmu, pmu_name)) + if (perf_pmu__name_wildcard_match(pmu, pmu_name)) count += table_pmu->num_entries; } return count; @@ -993,10 +1042,55 @@ 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) { + if (!table) + return 0; for (size_t i = 0; i < table->num_pmus; i++) { int ret = pmu_metrics_table__for_each_metric_pmu(table, &table->pmus[i], fn, data); @@ -1007,11 +1101,34 @@ int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, return 0; } -static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu) +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) +{ + if (!table) + return 0; + 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 { const struct pmu_events_map *map; - struct perf_pmu *pmu; + struct perf_cpu cpu; } last_result; static struct { const struct pmu_events_map *map; @@ -1022,10 +1139,10 @@ static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu) char *cpuid = NULL; size_t i; - if (has_last_result && last_result.pmu == pmu) + if (has_last_result && last_result.cpu.cpu == cpu.cpu) return last_result.map; - cpuid = perf_pmu__getcpuid(pmu); + cpuid = get_cpuid_allow_env_override(cpu); /* * On some platforms which uses cpus map, cpuid can be NULL for @@ -1056,12 +1173,33 @@ static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu) has_last_map_search = true; } out_update_last_result: - last_result.pmu = pmu; + last_result.cpu = cpu; last_result.map = map; has_last_result = true; return map; } +static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu) +{ + struct perf_cpu cpu = {-1}; + + if (pmu) { + for (size_t i = 0; i < ARRAY_SIZE(pmu_events__common); i++) { + const char *pmu_name = &big_c_string[pmu_events__common[i].pmu_name.offset]; + + if (!strcmp(pmu_name, pmu->name)) { + const struct pmu_events_map *map = &pmu_events_map[0]; + + while (strcmp("common", map->arch)) + map++; + return map; + } + } + cpu = perf_cpu_map__min(pmu->cpus); + } + return map_for_cpu(cpu); +} + const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu) { const struct pmu_events_map *map = map_for_pmu(pmu); @@ -1076,28 +1214,48 @@ 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; } -const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu) +const struct pmu_events_table *perf_pmu__default_core_events_table(void) { - const struct pmu_events_map *map = map_for_pmu(pmu); + int i = 0; - if (!map) - return NULL; + for (;;) { + const struct pmu_events_map *map = &pmu_events_map[i++]; - if (!pmu) - return &map->metric_table; + if (!map->arch) + break; - for (size_t i = 0; i < map->metric_table.num_pmus; i++) { - const struct pmu_table_entry *table_pmu = &map->metric_table.pmus[i]; - const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; + if (!strcmp(map->cpuid, "common")) + return &map->event_table; + } + return NULL; +} + +const struct pmu_metrics_table *pmu_metrics_table__find(void) +{ + struct perf_cpu cpu = {-1}; + const struct pmu_events_map *map = map_for_cpu(cpu); + + return map ? &map->metric_table : NULL; +} + +const struct pmu_metrics_table *pmu_metrics_table__default(void) +{ + int i = 0; + + for (;;) { + const struct pmu_events_map *map = &pmu_events_map[i++]; + + if (!map->arch) + break; - if (pmu__name_match(pmu, pmu_name)) - return &map->metric_table; + if (!strcmp(map->cpuid, "common")) + return &map->metric_table; } return NULL; } @@ -1241,9 +1399,12 @@ def main() -> None: if len(parents) == _args.model.split(',')[0].count('/'): # We're testing the correct directory. item_path = '/'.join(parents) + ('/' if len(parents) > 0 else '') + item.name - if 'test' not in item_path and item_path not in _args.model.split(','): + 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) @@ -1289,7 +1450,7 @@ struct pmu_table_entry { for item in os.scandir(_args.starting_dir): if not item.is_dir(): continue - if item.name == _args.arch or _args.arch == 'all' or item.name == 'test': + if item.name == _args.arch or _args.arch == 'all' or item.name == 'test' or item.name == 'common': archs.append(item.name) if len(archs) < 2 and _args.arch != 'none': |