linux-kernel - [PATCH] perf test: Skip sigtrap test on old kernels

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Message-Id: <20220903000210.1112014-1-namhyung@kernel.org>
Date:   Fri,  2 Sep 2022 17:02:10 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org, Marco Elver <elver@...gle.com>
Subject: [PATCH] perf test: Skip sigtrap test on old kernels

If it runs on an old kernel, perf_event_open would fail because of the
new fields sigtrap and sig_data.  Just skip the test if it failed.

Cc: Marco Elver <elver@...gle.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/tests/sigtrap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/tests/sigtrap.c b/tools/perf/tests/sigtrap.c
index e32ece90e164..7057566e6ae4 100644
--- a/tools/perf/tests/sigtrap.c
+++ b/tools/perf/tests/sigtrap.c
@@ -140,6 +140,7 @@ static int test__sigtrap(struct test_suite *test __maybe_unused, int subtest __m
 	fd = sys_perf_event_open(&attr, 0, -1, -1, perf_event_open_cloexec_flag());
 	if (fd < 0) {
 		pr_debug("FAILED sys_perf_event_open(): %s\n", str_error_r(errno, sbuf, sizeof(sbuf)));
+		ret = TEST_SKIP;
 		goto out_restore_sigaction;
 	}
 
-- 
2.37.2.789.g6183377224-goog