[PATCH 09/41] perf stat: Don't use ctx for saved values lookup
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2017-09-12 15:11:05
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
From: Andi Kleen <redacted> We don't need to use ctx to look up events for saved values. The context is already part of the evsel pointer, which is the primary key. Signed-off-by: Andi Kleen <redacted> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20170831194036.30146-9-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <redacted> --- tools/perf/util/stat-shadow.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 42e6c17be7ff..664f49a9b012 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c@@ -56,7 +56,6 @@ struct saved_value { struct rb_node rb_node; struct perf_evsel *evsel; int cpu; - int ctx; struct stats stats; };
@@ -67,8 +66,6 @@ static int saved_value_cmp(struct rb_node *rb_node, const void *entry) rb_node); const struct saved_value *b = entry; - if (a->ctx != b->ctx) - return a->ctx - b->ctx; if (a->cpu != b->cpu) return a->cpu - b->cpu; if (a->evsel == b->evsel)
@@ -90,13 +87,12 @@ static struct rb_node *saved_value_new(struct rblist *rblist __maybe_unused, } static struct saved_value *saved_value_lookup(struct perf_evsel *evsel, - int cpu, int ctx, + int cpu, bool create) { struct rb_node *nd; struct saved_value dm = { .cpu = cpu, - .ctx = ctx, .evsel = evsel, }; nd = rblist__find(&runtime_saved_values, &dm);
@@ -232,8 +228,7 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, update_stats(&runtime_aperf_stats[ctx][cpu], count[0]); if (counter->collect_stat) { - struct saved_value *v = saved_value_lookup(counter, cpu, ctx, - true); + struct saved_value *v = saved_value_lookup(counter, cpu, true); update_stats(&v->stats, count[0]); } }
@@ -634,7 +629,6 @@ static void generic_metric(const char *metric_expr, const char *metric_name, double avg, int cpu, - int ctx, struct perf_stat_output_ctx *out) { print_metric_t print_metric = out->print_metric;
@@ -648,7 +642,7 @@ static void generic_metric(const char *metric_expr, for (i = 0; metric_events[i]; i++) { struct saved_value *v; - v = saved_value_lookup(metric_events[i], cpu, ctx, false); + v = saved_value_lookup(metric_events[i], cpu, false); if (!v) break; expr__add_id(&pctx, metric_events[i]->name, avg_stats(&v->stats));
@@ -866,7 +860,7 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel, print_metric(ctxp, NULL, NULL, name, 0); } else if (evsel->metric_expr) { generic_metric(evsel->metric_expr, evsel->metric_events, evsel->name, - evsel->metric_name, avg, cpu, ctx, out); + evsel->metric_name, avg, cpu, out); } else if (runtime_nsecs_stats[cpu].n != 0) { char unit = 'M'; char unit_buf[10];
@@ -895,7 +889,7 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel, out->new_line(ctxp); generic_metric(mexp->metric_expr, mexp->metric_events, evsel->name, mexp->metric_name, - avg, cpu, ctx, out); + avg, cpu, out); } } if (num == 0)
--
2.13.5