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Message-Id: <1692606977-92009-6-git-send-email-renyu.zj@linux.alibaba.com>
Date:   Mon, 21 Aug 2023 16:36:14 +0800
From:   Jing Zhang <renyu.zj@...ux.alibaba.com>
To:     John Garry <john.g.garry@...cle.com>,
        Ian Rogers <irogers@...gle.com>
Cc:     Will Deacon <will@...nel.org>, James Clark <james.clark@....com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org,
        Zhuo Song <zhuo.song@...ux.alibaba.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Shuai Xue <xueshuai@...ux.alibaba.com>
Subject: [PATCH v7 5/8] perf test: Make matching_pmu effective

The perf_pmu_test_event.matching_pmu didn't work. No matter what its
value is, it does not affect the test results. So let matching_pmu be
used for matching perf_pmu_test_pmu.pmu.name.

Signed-off-by: Jing Zhang <renyu.zj@...ux.alibaba.com>
Reviewed-by: John Garry <john.g.garry@...cle.com>
---
 tools/perf/tests/pmu-events.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 1dff863b..3204252 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -238,7 +238,7 @@ struct perf_pmu_test_pmu {
 	},
 	.alias_str = "event=0x2b",
 	.alias_long_desc = "ddr write-cycles event. Unit: uncore_sys_ddr_pmu ",
-	.matching_pmu = "uncore_sys_ddr_pmu",
+	.matching_pmu = "uncore_sys_ddr_pmu0",
 };
 
 static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = {
@@ -252,7 +252,7 @@ struct perf_pmu_test_pmu {
 	},
 	.alias_str = "config=0x2c",
 	.alias_long_desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu ",
-	.matching_pmu = "uncore_sys_ccn_pmu",
+	.matching_pmu = "uncore_sys_ccn_pmu4",
 };
 
 static const struct perf_pmu_test_event *sys_events[] = {
@@ -599,6 +599,11 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu)
 			struct pmu_event const *event = &test_event->event;
 
 			if (!strcmp(event->name, alias->name)) {
+				if (strcmp(pmu_name, test_event->matching_pmu)) {
+					pr_debug("testing aliases uncore PMU %s: mismatched matching_pmu, %s vs %s\n",
+							pmu_name, test_event->matching_pmu, pmu_name);
+					continue;
+				}
 				if (compare_alias_to_test_event(alias,
 							test_event,
 							pmu_name)) {
-- 
1.8.3.1

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