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authorAndi Kleen2017-08-31 21:40:33 +0200
committerArnaldo Carvalho de Melo2017-09-13 14:49:13 +0200
commit4e1a096380e3b558ef021afc08e193ce5d1be478 (patch)
treeadad5538ebb995404e96c5c0f8ef75b2e8881bb5
parentperf list: Add metric groups to perf list (diff)
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perf stat: Don't use ctx for saved values lookup
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 <ak@linux.intel.com> 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 <acme@redhat.com>
-rw-r--r--tools/perf/util/stat-shadow.c16
1 files 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)