[PATCH AUTOSEL 5.10 43/45] libperf tests: Fail when failing to get a tracepoint id

Sasha Levin
2021-01-20T01:33:12Z

From: Ian Rogers <irogers@google.com>

[ Upstream commit 66dd86b2a2bee129c70f7ff054d3a6a2e5f8eb20 ]

Permissions are necessary to get a tracepoint id. Fail the test when the
read fails.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@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: http://lore.kernel.org/lkml/20210114180250.3853825-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/lib/perf/tests/test-evlist.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/lib/perf/tests/test-evlist.c b/tools/lib/perf/tests/test-evlist.c
index d913241d41356..bd19cabddaf62 100644
--- a/tools/lib/perf/tests/test-evlist.c
+++ b/tools/lib/perf/tests/test-evlist.c
@@ -215,6 +215,7 @@ static int test_mmap_thread(void)
sysfs__mountpoint());

if (filename__read_int(path, &id)) {
+ tests_failed++;
fprintf(stderr, "error: failed to get tracepoint id: %s\n", path);
return -1;
}
--
2.27.0