[PATCH v17 17/19] perf, tools: Make alias matching case-insensitive

Sukadev Bhattiprolu sukadev at linux.vnet.ibm.com
Tue Sep 29 10:50:55 AEST 2015

From: Andi Kleen <ak at linux.intel.com>

Make alias matching the events parser case-insensitive. This is useful
with the JSON events. perf uses lower case events, but the CPU manuals
generally use upper case event names. The JSON files use lower
case by default too. But if we search case insensitively then
users can cut-n-paste the upper case event names.

So the following works:


 Performance counter stats for 'true':


       0.000492799 seconds time elapsed

Signed-off-by: Andi Kleen <ak at linux.intel.com>
 tools/perf/util/parse-events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index b23baa5..9982fd6 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1020,7 +1020,7 @@ comp_pmu(const void *p1, const void *p2)
 	struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1;
 	struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2;
-	return strcmp(pmu1->symbol, pmu2->symbol);
+	return strcasecmp(pmu1->symbol, pmu2->symbol);
 static void perf_pmu__parse_cleanup(void)

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