perf tools: Add test_generic_metric function (6d432c4c) · Commits · 戴 / test

Adding test_generic_metric that prepares and runs given metric over the data from struct runtime_stat object. Signed-off-by:

Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200602214741.1218986-12-jolsa@kernel.org Signed-off-by:

tools/perf/util/stat-shadow.c

+14 −0

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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