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Mon, 23 Jan 2023 22:34:26 -0800 (PST) Date: Mon, 23 Jan 2023 22:33:16 -0800 In-Reply-To: <20230124063320.668917-1-irogers@google.com> Message-Id: <20230124063320.668917-8-irogers@google.com> Mime-Version: 1.0 References: <20230124063320.668917-1-irogers@google.com> X-Mailer: git-send-email 2.39.0.246.g2a6d74b583-goog Subject: [PATCH v3 07/11] perf stat: Remove evsel metric_name/expr From: Ian Rogers To: John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter , Kan Liang , Kim Phillips , Florian Fischer , Ravi Bangoria , Xing Zhengjun , Rob Herring , Kang Minchul , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Sandipan Das , Jing Zhang , linuxppc-dev@lists.ozlabs.org, Kajol Jain Cc: Stephane Eranian , Perry Taylor , Caleb Biggers , Ian Rogers X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230123_223428_054732_186AD1ED X-CRM114-Status: GOOD ( 19.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Metrics are their own unit and these variables held broken metrics previously and now just hold the value NULL. Remove code that used these variables. Reviewed-by: John Garry Signed-off-by: Ian Rogers --- tools/perf/builtin-stat.c | 1 - tools/perf/util/cgroup.c | 1 - tools/perf/util/evsel.c | 2 - tools/perf/util/evsel.h | 2 - tools/perf/util/python.c | 7 --- tools/perf/util/stat-shadow.c | 112 ---------------------------------- tools/perf/util/stat.h | 1 - 7 files changed, 126 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 9f3e4b257516..5d18a5a6f662 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -2524,7 +2524,6 @@ int cmd_stat(int argc, const char **argv) &stat_config.metric_events); zfree(&metrics); } - perf_stat__collect_metric_expr(evsel_list); perf_stat__init_shadow_stats(); if (add_default_attributes()) diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index cd978c240e0d..bfb13306d82c 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -481,7 +481,6 @@ int evlist__expand_cgroup(struct evlist *evlist, const char *str, nr_cgroups++; if (metric_events) { - perf_stat__collect_metric_expr(tmp_list); if (metricgroup__copy_metric_events(tmp_list, cgrp, metric_events, &orig_metric_events) < 0) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 8550638587e5..a90e998826e0 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -285,8 +285,6 @@ void evsel__init(struct evsel *evsel, evsel->sample_size = __evsel__sample_size(attr->sample_type); evsel__calc_id_pos(evsel); evsel->cmdline_group_boundary = false; - evsel->metric_expr = NULL; - evsel->metric_name = NULL; evsel->metric_events = NULL; evsel->per_pkg_mask = NULL; evsel->collect_stat = false; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index d572be41b960..24cb807ef6ce 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -105,8 +105,6 @@ struct evsel { * metric fields are similar, but needs more care as they can have * references to other metric (evsel). */ - const char * metric_expr; - const char * metric_name; struct evsel **metric_events; struct evsel *metric_leader; diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 9e5d881b0987..42e8b813d010 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -76,13 +76,6 @@ const char *perf_env__arch(struct perf_env *env __maybe_unused) return NULL; } -/* - * Add this one here not to drag util/stat-shadow.c - */ -void perf_stat__collect_metric_expr(struct evlist *evsel_list) -{ -} - /* * These ones are needed not to drag the PMU bandwagon, jevents generated * pmu_sys_event_tables, etc and evsel__find_pmu() is used so far just for diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index cadb2df23c87..35ea4813f468 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -346,114 +346,6 @@ static const char *get_ratio_color(enum grc_type type, double ratio) return color; } -static struct evsel *perf_stat__find_event(struct evlist *evsel_list, - const char *name) -{ - struct evsel *c2; - - evlist__for_each_entry (evsel_list, c2) { - if (!strcasecmp(c2->name, name) && !c2->collect_stat) - return c2; - } - return NULL; -} - -/* Mark MetricExpr target events and link events using them to them. */ -void perf_stat__collect_metric_expr(struct evlist *evsel_list) -{ - struct evsel *counter, *leader, **metric_events, *oc; - bool found; - struct expr_parse_ctx *ctx; - struct hashmap_entry *cur; - size_t bkt; - int i; - - ctx = expr__ctx_new(); - if (!ctx) { - pr_debug("expr__ctx_new failed"); - return; - } - evlist__for_each_entry(evsel_list, counter) { - bool invalid = false; - - leader = evsel__leader(counter); - if (!counter->metric_expr) - continue; - - expr__ctx_clear(ctx); - metric_events = counter->metric_events; - if (!metric_events) { - if (expr__find_ids(counter->metric_expr, - counter->name, - ctx) < 0) - continue; - - metric_events = calloc(sizeof(struct evsel *), - hashmap__size(ctx->ids) + 1); - if (!metric_events) { - expr__ctx_free(ctx); - return; - } - counter->metric_events = metric_events; - } - - i = 0; - hashmap__for_each_entry(ctx->ids, cur, bkt) { - const char *metric_name = cur->pkey; - - found = false; - if (leader) { - /* Search in group */ - for_each_group_member (oc, leader) { - if (!strcasecmp(oc->name, - metric_name) && - !oc->collect_stat) { - found = true; - break; - } - } - } - if (!found) { - /* Search ignoring groups */ - oc = perf_stat__find_event(evsel_list, - metric_name); - } - if (!oc) { - /* Deduping one is good enough to handle duplicated PMUs. */ - static char *printed; - - /* - * Adding events automatically would be difficult, because - * it would risk creating groups that are not schedulable. - * perf stat doesn't understand all the scheduling constraints - * of events. So we ask the user instead to add the missing - * events. - */ - if (!printed || - strcasecmp(printed, metric_name)) { - fprintf(stderr, - "Add %s event to groups to get metric expression for %s\n", - metric_name, - counter->name); - free(printed); - printed = strdup(metric_name); - } - invalid = true; - continue; - } - metric_events[i++] = oc; - oc->collect_stat = true; - } - metric_events[i] = NULL; - if (invalid) { - free(metric_events); - counter->metric_events = NULL; - counter->metric_expr = NULL; - } - } - expr__ctx_free(ctx); -} - static double runtime_stat_avg(struct runtime_stat *st, enum stat_type type, int map_idx, struct runtime_stat_data *rsd) @@ -1299,10 +1191,6 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, color = NULL; print_metric(config, ctxp, color, "%8.1f%%", "Core Bound", 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, - map_idx, out, st); } else if (runtime_stat_n(st, STAT_NSECS, map_idx, &rsd) != 0) { char unit = ' '; char unit_buf[10] = "/sec"; diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 499c3bf81333..b1c29156c560 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -257,7 +257,6 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, struct perf_stat_output_ctx *out, struct rblist *metric_events, struct runtime_stat *st); -void perf_stat__collect_metric_expr(struct evlist *); int evlist__alloc_stats(struct perf_stat_config *config, struct evlist *evlist, bool alloc_raw);