perf tools: Add test_generic_metric function

Adding test_generic_metric that prepares and runs given metric over the
data from struct runtime_stat object.

Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: Ian Rogers <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Michael Petlan <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Jiri Olsa
2020-06-22 16:28:09 -03:00
committed by Arnaldo Carvalho de Melo
parent 9afe5658a6
commit 6d432c4c8a
2 changed files with 17 additions and 0 deletions
+14
View File
@@ -842,6 +842,20 @@ static void generic_metric(struct perf_stat_config *config,
expr__ctx_clear(&pctx);
}
double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st)
{
struct expr_parse_ctx pctx;
double ratio;
if (prepare_metric(mexp->metric_events, &pctx, cpu, st) < 0)
return 0.;
if (expr__parse(&ratio, &pctx, mexp->metric_expr, 1))
return 0.;
return ratio;
}
void perf_stat__print_shadow_stats(struct perf_stat_config *config,
struct evsel *evsel,
double avg, int cpu,
+3
View File
@@ -230,4 +230,7 @@ perf_evlist__print_counters(struct evlist *evlist,
struct target *_target,
struct timespec *ts,
int argc, const char **argv);
struct metric_expr;
double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
#endif