From: Ian Rogers <irogers@google.com>
Date: Thu, 7 Jul 2022 15:34:48 +0000 (-0700)
Subject: perf test: Add debug line to diagnose broken metrics
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c7a774d78111d55f409d9ee0a5db2c4eb39d6657;p=linux.git

perf test: Add debug line to diagnose broken metrics

Printing out the metric name and architecture makes finding the source
of a failure easier.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220707153449.202409-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index f13368569d8bb..478b33825790a 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -1115,6 +1115,7 @@ static int test__parsing_fake(struct test_suite *test __maybe_unused,
 				break;
 			if (!pe->metric_expr)
 				continue;
+			pr_debug("Found metric '%s' for '%s'\n", pe->metric_name, map->cpuid);
 			err = metric_parse_fake(pe->metric_expr);
 			if (err)
 				return err;