From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751868AbdKMBjx (ORCPT ); Sun, 12 Nov 2017 20:39:53 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:10466 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751676AbdKMBji (ORCPT ); Sun, 12 Nov 2017 20:39:38 -0500 From: Wang Nan To: , , , , CC: Wang Nan Subject: [PATCH 2/7] perf tests: Set evlist of test__backward_ring_buffer() to !overwrite Date: Mon, 13 Nov 2017 01:38:04 +0000 Message-ID: <20171113013809.212417-3-wangnan0@huawei.com> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20171113013809.212417-1-wangnan0@huawei.com> References: <20171113013809.212417-1-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090206.5A08F7CD.0067,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 21ed9f37a6d18bd8fd2e94e38a30da64 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Setting overwrite in perf_evlist__mmap() is meaningless because the event in this evlist is already have 'overwrite' postfix and goes to backward ring buffer automatically. Pass 'false' to perf_evlist__mmap() to make it similar to others. Signed-off-by: Wang Nan --- tools/perf/tests/backward-ring-buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index d233ad3..992c917 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -58,7 +58,7 @@ static int do_test(struct perf_evlist *evlist, int mmap_pages, int err; char sbuf[STRERR_BUFSIZE]; - err = perf_evlist__mmap(evlist, mmap_pages, true); + err = perf_evlist__mmap(evlist, mmap_pages, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); -- 2.10.1