[PATCH] perf test: Test 2 libpfm4 error cases

[Ian Rogers]

Proposed in:
https://lore.kernel.org/lkml/20210517140931.2559364-1-tmricht@xxxxxxxxxxxxx/

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/tests/pfm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/perf/tests/pfm.c b/tools/perf/tests/pfm.c
index d4b0ef74defc..acd50944f6af 100644
--- a/tools/perf/tests/pfm.c
+++ b/tools/perf/tests/pfm.c
@@ -155,6 +155,16 @@ static int test__pfm_group(void)
 			.nr_events = 3,
 			.nr_groups = 1,
 		},
+		{
+			.events = "instructions}",
+			.nr_events = 1,
+			.nr_groups = 0,
+		},
+		{
+			.events = "{{instructions}}",
+			.nr_events = 0,
+			.nr_groups = 0,
+		},
 	};
 
 	for (i = 0; i < ARRAY_SIZE(table); i++) {
-- 
2.31.1.751.gd2f1c929bd-goog