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libperf tests: Fail when failing to get a tracepoint id 

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>
master
Ian Rogers 2021-01-14 10:02:50 -08:00 committed by Arnaldo Carvalho de Melo
parent bba2ea17ef
commit 66dd86b2a2
1 changed files with 1 additions and 0 deletions
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tools/lib/perf/tests/test-evlist.c
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@ -214,6 +214,7 @@ 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;
}