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 f133685..478b338 100644 (file)
--- 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;