linux-kernel - [PATCH v1 34/51] perf pmu-events: Test parsing metric thresholds with the fake PMU

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Message-Id: <20230219092848.639226-35-irogers@google.com>
Date:   Sun, 19 Feb 2023 01:28:31 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Sandipan Das <sandipan.das@....com>,
        James Clark <james.clark@....com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        John Garry <john.g.garry@...cle.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Eduard Zingerman <eddyz87@...il.com>,
        Suzuki Poulouse <suzuki.poulose@....com>,
        Leo Yan <leo.yan@...aro.org>,
        Florian Fischer <florian.fischer@...q.space>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Perry Taylor <perry.taylor@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH v1 34/51] perf pmu-events: Test parsing metric thresholds with
 the fake PMU

Test the correctness of metric thresholds by testing them all with the
fake PMU logic.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/pmu-events.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 521557c396bc..db2fed0c6993 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -1021,12 +1021,34 @@ static int test__parsing_fake(struct test_suite *test __maybe_unused,
 	return pmu_for_each_sys_metric(test__parsing_fake_callback, NULL);
 }
 
+static int test__parsing_threshold_callback(const struct pmu_metric *pm,
+					const struct pmu_metrics_table *table __maybe_unused,
+					void *data __maybe_unused)
+{
+	if (!pm->metric_threshold)
+		return 0;
+	return metric_parse_fake(pm->metric_name, pm->metric_threshold);
+}
+
+static int test__parsing_threshold(struct test_suite *test __maybe_unused,
+			      int subtest __maybe_unused)
+{
+	int err = 0;
+
+	err = pmu_for_each_core_metric(test__parsing_threshold_callback, NULL);
+	if (err)
+		return err;
+
+	return pmu_for_each_sys_metric(test__parsing_threshold_callback, NULL);
+}
+
 static struct test_case pmu_events_tests[] = {
 	TEST_CASE("PMU event table sanity", pmu_event_table),
 	TEST_CASE("PMU event map aliases", aliases),
 	TEST_CASE_REASON("Parsing of PMU event table metrics", parsing,
 			 "some metrics failed"),
 	TEST_CASE("Parsing of PMU event table metrics with fake PMUs", parsing_fake),
+	TEST_CASE("Parsing of metric thresholds with fake PMUs", parsing_threshold),
 	{ .name = NULL, }
 };
 
-- 
2.39.2.637.g21b0678d19-goog