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From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Michael Petlan <mpetlan@redhat.com>,
	Ian Rogers <irogers@google.com>,
	Stephane Eranian <eranian@google.com>,
	Andi Kleen <ak@linux.intel.com>
Subject: [PATCH 11/13] perf tools: Add test_generic_metric function
Date: Tue,  2 Jun 2020 13:50:53 +0200	[thread overview]
Message-ID: <20200602115055.1168446-12-jolsa@kernel.org> (raw)
In-Reply-To: <20200602115055.1168446-1-jolsa@kernel.org>

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

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/stat-shadow.c | 14 ++++++++++++++
 tools/perf/util/stat.h        |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 27be7ce2fff4..8fdef47005e6 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -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,
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index f75ae679eb28..6911c7249199 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -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
-- 
2.25.4


  parent reply	other threads:[~2020-06-02 11:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-02 11:50 [PATCHv2 00/13] perf tests: Add metrics tests Jiri Olsa
2020-06-02 11:50 ` [PATCH 01/13] perf tools: Add fake pmu support Jiri Olsa
2020-06-02 11:50 ` [PATCH 02/13] perf tools: Add fake_pmu bool to parse_events interface Jiri Olsa
2020-06-02 11:50 ` [PATCH 03/13] perf tests: Factor check_parse_id function Jiri Olsa
2020-06-02 11:50 ` [PATCH 04/13] perf tests: Add another metric parsing test Jiri Olsa
2020-06-02 17:58   ` Ian Rogers
2020-06-02 19:03     ` Jiri Olsa
2020-06-02 19:08     ` Jiri Olsa
2020-06-02 20:30       ` Ian Rogers
2020-06-02 11:50 ` [PATCH 05/13] perf tools: Factor out parse_groups function Jiri Olsa
2020-06-02 11:50 ` [PATCH 06/13] perf tools: Add fake_pmu to parse_events function Jiri Olsa
2020-06-02 11:50 ` [PATCH 07/13] perf tools: Add map " Jiri Olsa
2020-06-02 11:50 ` [PATCH 08/13] perf tools: Add metricgroup__parse_groups_test function Jiri Olsa
2020-06-02 11:50 ` [PATCH 09/13] perf tools: Factor out prepare_metric function Jiri Olsa
2020-06-02 11:50 ` [PATCH 10/13] perf tools: Release metric_events rblist Jiri Olsa
2020-06-02 11:50 ` Jiri Olsa [this message]
2020-06-02 11:50 ` [PATCH 12/13] perf tests: Add parse metric test for ipc metric Jiri Olsa
2020-06-02 11:50 ` [PATCH 13/13] perf tests: Add parse metric test for frontend metric Jiri Olsa
2020-06-02 18:10 ` [PATCHv2 00/13] perf tests: Add metrics tests Ian Rogers
2020-06-02 21:47 [PATCHv3 " Jiri Olsa
2020-06-02 21:47 ` [PATCH 11/13] perf tools: Add test_generic_metric function Jiri Olsa

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