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Add system_wide and user_requested_cpu_list to perf_stat_config to make it available at display time. evlist isn't used as the evlist__create_maps, that computes user_requested_cpus, needs the list of events which is generated by the metric. Signed-off-by: Ian Rogers --- tools/perf/builtin-stat.c | 14 ++++ tools/perf/util/expr.c | 13 +++- tools/perf/util/expr.h | 4 +- tools/perf/util/expr.l | 6 +- tools/perf/util/metricgroup.c | 125 ++++++++++++++++++++++++---------- tools/perf/util/metricgroup.h | 2 + tools/perf/util/stat-shadow.c | 11 ++- tools/perf/util/stat.h | 2 + 8 files changed, 134 insertions(+), 43 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index a59c23f4ffd2..35185ee1243e 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1805,6 +1805,8 @@ static int add_default_attributes(void) return metricgroup__parse_groups(evsel_list, "transaction", stat_config.metric_no_group, stat_config.metric_no_merge, + stat_config.user_requested_cpu_list, + stat_config.system_wide, &stat_config.metric_events); } @@ -2440,6 +2442,15 @@ int cmd_stat(int argc, const char **argv) if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) target.per_thread = true; + stat_config.system_wide = target.system_wide; + if (target.cpu_list) { + stat_config.user_requested_cpu_list = strdup(target.cpu_list); + if (!stat_config.user_requested_cpu_list) { + status = -ENOMEM; + goto out; + } + } + /* * Metric parsing needs to be delayed as metrics may optimize events * knowing the target is system-wide. @@ -2448,6 +2459,8 @@ int cmd_stat(int argc, const char **argv) metricgroup__parse_groups(evsel_list, metrics, stat_config.metric_no_group, stat_config.metric_no_merge, + stat_config.user_requested_cpu_list, + stat_config.system_wide, &stat_config.metric_events); zfree(&metrics); } @@ -2638,6 +2651,7 @@ int cmd_stat(int argc, const char **argv) iostat_release(evsel_list); zfree(&stat_config.walltime_run); + zfree(&stat_config.user_requested_cpu_list); if (smi_cost && smi_reset) sysfs__write_int(FREEZE_ON_SMI_PATH, 0); diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index 8aa7dafa18b3..c6827900f8d3 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -310,7 +310,9 @@ struct expr_parse_ctx *expr__ctx_new(void) free(ctx); return NULL; } + ctx->sctx.user_requested_cpu_list = NULL; ctx->sctx.runtime = 0; + ctx->sctx.system_wide = false; return ctx; } @@ -332,6 +334,10 @@ void expr__ctx_free(struct expr_parse_ctx *ctx) struct hashmap_entry *cur; size_t bkt; + if (!ctx) + return; + + free(ctx->sctx.user_requested_cpu_list); hashmap__for_each_entry(ctx->ids, cur, bkt) { free((char *)cur->key); free(cur->value); @@ -407,7 +413,7 @@ double arch_get_tsc_freq(void) } #endif -double expr__get_literal(const char *literal) +double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx) { static struct cpu_topology *topology; double result = NAN; @@ -439,6 +445,11 @@ double expr__get_literal(const char *literal) result = smt_on(topology) ? 1.0 : 0.0; goto out; } + if (!strcmp("#core_wide", literal)) { + result = core_wide(ctx->system_wide, ctx->user_requested_cpu_list, topology) + ? 1.0 : 0.0; + goto out; + } if (!strcmp("#num_packages", literal)) { result = topology->package_cpus_lists; goto out; diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h index 07af3d438eb2..d6c1668dc1a0 100644 --- a/tools/perf/util/expr.h +++ b/tools/perf/util/expr.h @@ -11,7 +11,9 @@ struct metric_ref; struct expr_scanner_ctx { + char *user_requested_cpu_list; int runtime; + bool system_wide; }; struct expr_parse_ctx { @@ -55,6 +57,6 @@ int expr__find_ids(const char *expr, const char *one, double expr_id_data__value(const struct expr_id_data *data); double expr_id_data__source_count(const struct expr_id_data *data); -double expr__get_literal(const char *literal); +double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx); #endif diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 4dc8edbfd9ce..0168a9637330 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -79,11 +79,11 @@ static int str(yyscan_t scanner, int token, int runtime) return token; } -static int literal(yyscan_t scanner) +static int literal(yyscan_t scanner, const struct expr_scanner_ctx *sctx) { YYSTYPE *yylval = expr_get_lval(scanner); - yylval->num = expr__get_literal(expr_get_text(scanner)); + yylval->num = expr__get_literal(expr_get_text(scanner), sctx); if (isnan(yylval->num)) return EXPR_ERROR; @@ -108,7 +108,7 @@ min { return MIN; } if { return IF; } else { return ELSE; } source_count { return SOURCE_COUNT; } -{literal} { return literal(yyscanner); } +{literal} { return literal(yyscanner, sctx); } {number} { return value(yyscanner); } {symbol} { return str(yyscanner, ID, sctx->runtime); } "|" { return '|'; } diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 9151346a16ab..b18da1a62a55 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include "util.h" @@ -189,10 +190,24 @@ static bool metricgroup__has_constraint(const struct pmu_event *pe) return false; } +static void metric__free(struct metric *m) +{ + if (!m) + return; + + free(m->metric_refs); + expr__ctx_free(m->pctx); + free((char *)m->modifier); + evlist__delete(m->evlist); + free(m); +} + static struct metric *metric__new(const struct pmu_event *pe, const char *modifier, bool metric_no_group, - int runtime) + int runtime, + const char *user_requested_cpu_list, + bool system_wide) { struct metric *m; @@ -201,35 +216,34 @@ static struct metric *metric__new(const struct pmu_event *pe, return NULL; m->pctx = expr__ctx_new(); - if (!m->pctx) { - free(m); - return NULL; - } + if (!m->pctx) + goto out_err; m->metric_name = pe->metric_name; - m->modifier = modifier ? strdup(modifier) : NULL; - if (modifier && !m->modifier) { - expr__ctx_free(m->pctx); - free(m); - return NULL; + m->modifier = NULL; + if (modifier) { + m->modifier = strdup(modifier); + if (!m->modifier) + goto out_err; } m->metric_expr = pe->metric_expr; m->metric_unit = pe->unit; + m->pctx->sctx.user_requested_cpu_list = NULL; + if (user_requested_cpu_list) { + m->pctx->sctx.user_requested_cpu_list = strdup(user_requested_cpu_list); + if (!m->pctx->sctx.user_requested_cpu_list) + goto out_err; + } m->pctx->sctx.runtime = runtime; + m->pctx->sctx.system_wide = system_wide; m->has_constraint = metric_no_group || metricgroup__has_constraint(pe); m->metric_refs = NULL; m->evlist = NULL; return m; -} - -static void metric__free(struct metric *m) -{ - free(m->metric_refs); - expr__ctx_free(m->pctx); - free((char *)m->modifier); - evlist__delete(m->evlist); - free(m); +out_err: + metric__free(m); + return NULL; } static bool contains_metric_id(struct evsel **metric_events, int num_events, @@ -874,6 +888,8 @@ struct metricgroup_add_iter_data { int *ret; bool *has_match; bool metric_no_group; + const char *user_requested_cpu_list; + bool system_wide; struct metric *root_metric; const struct visited_metric *visited; const struct pmu_events_table *table; @@ -887,6 +903,8 @@ static int add_metric(struct list_head *metric_list, const struct pmu_event *pe, const char *modifier, bool metric_no_group, + const char *user_requested_cpu_list, + bool system_wide, struct metric *root_metric, const struct visited_metric *visited, const struct pmu_events_table *table); @@ -899,6 +917,8 @@ static int add_metric(struct list_head *metric_list, * @metric_no_group: Should events written to events be grouped "{}" or * global. Grouping is the default but due to multiplexing the * user may override. + * @user_requested_cpu_list: Command line specified CPUs to record on. + * @system_wide: Are events for all processes recorded. * @root_metric: Metrics may reference other metrics to form a tree. In this * case the root_metric holds all the IDs and a list of referenced * metrics. When adding a root this argument is NULL. @@ -910,6 +930,8 @@ static int add_metric(struct list_head *metric_list, static int resolve_metric(struct list_head *metric_list, const char *modifier, bool metric_no_group, + const char *user_requested_cpu_list, + bool system_wide, struct metric *root_metric, const struct visited_metric *visited, const struct pmu_events_table *table) @@ -956,7 +978,8 @@ static int resolve_metric(struct list_head *metric_list, */ for (i = 0; i < pending_cnt; i++) { ret = add_metric(metric_list, &pending[i].pe, modifier, metric_no_group, - root_metric, visited, table); + user_requested_cpu_list, system_wide, root_metric, visited, + table); if (ret) break; } @@ -974,6 +997,8 @@ static int resolve_metric(struct list_head *metric_list, * global. Grouping is the default but due to multiplexing the * user may override. * @runtime: A special argument for the parser only known at runtime. + * @user_requested_cpu_list: Command line specified CPUs to record on. + * @system_wide: Are events for all processes recorded. * @root_metric: Metrics may reference other metrics to form a tree. In this * case the root_metric holds all the IDs and a list of referenced * metrics. When adding a root this argument is NULL. @@ -987,6 +1012,8 @@ static int __add_metric(struct list_head *metric_list, const char *modifier, bool metric_no_group, int runtime, + const char *user_requested_cpu_list, + bool system_wide, struct metric *root_metric, const struct visited_metric *visited, const struct pmu_events_table *table) @@ -1011,7 +1038,8 @@ static int __add_metric(struct list_head *metric_list, * This metric is the root of a tree and may reference other * metrics that are added recursively. */ - root_metric = metric__new(pe, modifier, metric_no_group, runtime); + root_metric = metric__new(pe, modifier, metric_no_group, runtime, + user_requested_cpu_list, system_wide); if (!root_metric) return -ENOMEM; @@ -1060,8 +1088,9 @@ static int __add_metric(struct list_head *metric_list, ret = -EINVAL; } else { /* Resolve referenced metrics. */ - ret = resolve_metric(metric_list, modifier, metric_no_group, root_metric, - &visited_node, table); + ret = resolve_metric(metric_list, modifier, metric_no_group, + user_requested_cpu_list, system_wide, + root_metric, &visited_node, table); } if (ret) { @@ -1109,6 +1138,8 @@ static int add_metric(struct list_head *metric_list, const struct pmu_event *pe, const char *modifier, bool metric_no_group, + const char *user_requested_cpu_list, + bool system_wide, struct metric *root_metric, const struct visited_metric *visited, const struct pmu_events_table *table) @@ -1119,7 +1150,8 @@ static int add_metric(struct list_head *metric_list, if (!strstr(pe->metric_expr, "?")) { ret = __add_metric(metric_list, pe, modifier, metric_no_group, 0, - root_metric, visited, table); + user_requested_cpu_list, system_wide, root_metric, + visited, table); } else { int j, count; @@ -1132,7 +1164,8 @@ static int add_metric(struct list_head *metric_list, for (j = 0; j < count && !ret; j++) ret = __add_metric(metric_list, pe, modifier, metric_no_group, j, - root_metric, visited, table); + user_requested_cpu_list, system_wide, + root_metric, visited, table); } return ret; @@ -1149,6 +1182,7 @@ static int metricgroup__add_metric_sys_event_iter(const struct pmu_event *pe, return 0; ret = add_metric(d->metric_list, pe, d->modifier, d->metric_no_group, + d->user_requested_cpu_list, d->system_wide, d->root_metric, d->visited, d->table); if (ret) goto out; @@ -1191,7 +1225,9 @@ struct metricgroup__add_metric_data { struct list_head *list; const char *metric_name; const char *modifier; + const char *user_requested_cpu_list; bool metric_no_group; + bool system_wide; bool has_match; }; @@ -1208,8 +1244,8 @@ static int metricgroup__add_metric_callback(const struct pmu_event *pe, data->has_match = true; ret = add_metric(data->list, pe, data->modifier, data->metric_no_group, - /*root_metric=*/NULL, - /*visited_metrics=*/NULL, table); + data->user_requested_cpu_list, data->system_wide, + /*root_metric=*/NULL, /*visited_metrics=*/NULL, table); } return ret; } @@ -1223,12 +1259,16 @@ static int metricgroup__add_metric_callback(const struct pmu_event *pe, * @metric_no_group: Should events written to events be grouped "{}" or * global. Grouping is the default but due to multiplexing the * user may override. + * @user_requested_cpu_list: Command line specified CPUs to record on. + * @system_wide: Are events for all processes recorded. * @metric_list: The list that the metric or metric group are added to. * @table: The table that is searched for metrics, most commonly the table for the * architecture perf is running upon. */ static int metricgroup__add_metric(const char *metric_name, const char *modifier, bool metric_no_group, + const char *user_requested_cpu_list, + bool system_wide, struct list_head *metric_list, const struct pmu_events_table *table) { @@ -1242,6 +1282,8 @@ static int metricgroup__add_metric(const char *metric_name, const char *modifier .metric_name = metric_name, .modifier = modifier, .metric_no_group = metric_no_group, + .user_requested_cpu_list = user_requested_cpu_list, + .system_wide = system_wide, .has_match = false, }; /* @@ -1263,6 +1305,8 @@ static int metricgroup__add_metric(const char *metric_name, const char *modifier .metric_name = metric_name, .modifier = modifier, .metric_no_group = metric_no_group, + .user_requested_cpu_list = user_requested_cpu_list, + .system_wide = system_wide, .has_match = &has_match, .ret = &ret, .table = table, @@ -1293,12 +1337,15 @@ static int metricgroup__add_metric(const char *metric_name, const char *modifier * @metric_no_group: Should events written to events be grouped "{}" or * global. Grouping is the default but due to multiplexing the * user may override. + * @user_requested_cpu_list: Command line specified CPUs to record on. + * @system_wide: Are events for all processes recorded. * @metric_list: The list that metrics are added to. * @table: The table that is searched for metrics, most commonly the table for the * architecture perf is running upon. */ static int metricgroup__add_metric_list(const char *list, bool metric_no_group, - struct list_head *metric_list, + const char *user_requested_cpu_list, + bool system_wide, struct list_head *metric_list, const struct pmu_events_table *table) { char *list_itr, *list_copy, *metric_name, *modifier; @@ -1315,8 +1362,8 @@ static int metricgroup__add_metric_list(const char *list, bool metric_no_group, *modifier++ = '\0'; ret = metricgroup__add_metric(metric_name, modifier, - metric_no_group, metric_list, - table); + metric_no_group, user_requested_cpu_list, + system_wide, metric_list, table); if (ret == -EINVAL) pr_err("Cannot find metric or group `%s'\n", metric_name); @@ -1505,6 +1552,8 @@ static int parse_ids(bool metric_no_merge, struct perf_pmu *fake_pmu, static int parse_groups(struct evlist *perf_evlist, const char *str, bool metric_no_group, bool metric_no_merge, + const char *user_requested_cpu_list, + bool system_wide, struct perf_pmu *fake_pmu, struct rblist *metric_events_list, const struct pmu_events_table *table) @@ -1518,7 +1567,8 @@ static int parse_groups(struct evlist *perf_evlist, const char *str, if (metric_events_list->nr_entries == 0) metricgroup__rblist_init(metric_events_list); ret = metricgroup__add_metric_list(str, metric_no_group, - &metric_list, table); + user_requested_cpu_list, + system_wide, &metric_list, table); if (ret) goto out; @@ -1650,6 +1700,8 @@ int metricgroup__parse_groups(struct evlist *perf_evlist, const char *str, bool metric_no_group, bool metric_no_merge, + const char *user_requested_cpu_list, + bool system_wide, struct rblist *metric_events) { const struct pmu_events_table *table = pmu_events_table__find(); @@ -1657,8 +1709,9 @@ int metricgroup__parse_groups(struct evlist *perf_evlist, if (!table) return -EINVAL; - return parse_groups(perf_evlist, str, metric_no_group, - metric_no_merge, NULL, metric_events, table); + return parse_groups(perf_evlist, str, metric_no_group, metric_no_merge, + user_requested_cpu_list, system_wide, + /*fake_pmu=*/NULL, metric_events, table); } int metricgroup__parse_groups_test(struct evlist *evlist, @@ -1668,8 +1721,10 @@ int metricgroup__parse_groups_test(struct evlist *evlist, bool metric_no_merge, struct rblist *metric_events) { - return parse_groups(evlist, str, metric_no_group, - metric_no_merge, &perf_pmu__fake, metric_events, table); + return parse_groups(evlist, str, metric_no_group, metric_no_merge, + /*user_requested_cpu_list=*/NULL, + /*system_wide=*/false, + &perf_pmu__fake, metric_events, table); } static int metricgroup__has_metric_callback(const struct pmu_event *pe, diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h index af9ceadaec0f..732d3a0d3334 100644 --- a/tools/perf/util/metricgroup.h +++ b/tools/perf/util/metricgroup.h @@ -68,6 +68,8 @@ int metricgroup__parse_groups(struct evlist *perf_evlist, const char *str, bool metric_no_group, bool metric_no_merge, + const char *user_requested_cpu_list, + bool system_wide, struct rblist *metric_events); int metricgroup__parse_groups_test(struct evlist *evlist, const struct pmu_events_table *table, diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 815af948abb9..9e1eddeff21b 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -911,7 +911,10 @@ static void generic_metric(struct perf_stat_config *config, if (!pctx) return; + if (config->user_requested_cpu_list) + pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list); pctx->sctx.runtime = runtime; + pctx->sctx.system_wide = config->system_wide; i = prepare_metric(metric_events, metric_refs, pctx, cpu_map_idx, st); if (i < 0) { expr__ctx_free(pctx); @@ -1304,7 +1307,8 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, core_bound * 100.); } else if (evsel->metric_expr) { generic_metric(config, evsel->metric_expr, evsel->metric_events, NULL, - evsel->name, evsel->metric_name, NULL, 1, cpu_map_idx, out, st); + evsel->name, evsel->metric_name, NULL, 1, + cpu_map_idx, out, st); } else if (runtime_stat_n(st, STAT_NSECS, cpu_map_idx, &rsd) != 0) { char unit = ' '; char unit_buf[10] = "/sec"; @@ -1329,8 +1333,9 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (num++ > 0) out->new_line(config, ctxp); generic_metric(config, mexp->metric_expr, mexp->metric_events, - mexp->metric_refs, evsel->name, mexp->metric_name, - mexp->metric_unit, mexp->runtime, cpu_map_idx, out, st); + mexp->metric_refs, evsel->name, mexp->metric_name, + mexp->metric_unit, mexp->runtime, + cpu_map_idx, out, st); } } if (num == 0) diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 668250022f8c..72713b344b79 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -141,6 +141,8 @@ struct perf_stat_config { bool stop_read_counter; bool quiet; bool iostat_run; + char *user_requested_cpu_list; + bool system_wide; FILE *output; unsigned int interval; unsigned int timeout; -- 2.37.2.672.g94769d06f0-goog