From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 54/83] perf tests: Set evlist of test__task_exit() to !overwrite Date: Fri, 17 Nov 2017 17:15:32 -0300 Message-ID: <20171117201601.24110-55-acme@kernel.org> References: <20171117201601.24110-1-acme@kernel.org> Return-path: Received: from mail.kernel.org ([198.145.29.99]:58806 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758960AbdKQUTQ (ORCPT ); Fri, 17 Nov 2017 15:19:16 -0500 In-Reply-To: <20171117201601.24110-1-acme@kernel.org> Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Wang Nan , Jiri Olsa , Kan Liang , Namhyung Kim , Arnaldo Carvalho de Melo From: Wang Nan Changing ringbuffer to !overwrite in this task is harmless because this test uses a very low frequency (1) and using a very simple program (true). There should have only 3 events in the whole test. Overwriting is impossible to happen. Signed-off-by: Wang Nan Cc: Jiri Olsa Cc: Kan Liang Cc: Namhyung Kim Link: http://lkml.kernel.org/r/20171113013809.212417-6-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/task-exit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index bc4a7344e274..98c098475e71 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -97,7 +97,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused goto out_delete_evlist; } - if (perf_evlist__mmap(evlist, 128, true) < 0) { + if (perf_evlist__mmap(evlist, 128, false) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; -- 2.13.6