From patchwork Mon Nov 13 01:38:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Nan X-Patchwork-Id: 118691 Delivered-To: patch@linaro.org Received: by 10.140.22.164 with SMTP id 33csp1251753qgn; Sun, 12 Nov 2017 17:40:28 -0800 (PST) X-Google-Smtp-Source: AGs4zMZ3YVy0ItsMvvCrxGlY7xV4RhDVLzo6Jol+tj/JNLaNgEZfyGxqSdel0yMgKdaVAtrEO4M4 X-Received: by 10.159.207.149 with SMTP id z21mr7315943plo.258.1510537228373; Sun, 12 Nov 2017 17:40:28 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1510537228; cv=none; d=google.com; s=arc-20160816; b=MW5UiVwrkBW12e2FPFRzbgZXk4lpnliD5zLjXEPZX13qKIGgXaEcBt4OfWmxWLKFNG aPC7yfG53dV+JNKtkxjYjMhkM9D2RR7cBGECkZ3Uvk8SFYpuUrpClhUxucc3S4TUEPbP nV83cLN3UJ4Qcrhz7AuqIq9YBuCa47rFiKWC5DkL5VIxYp5tMLYagFisBKe0KcKLBEz2 l0d2sgSZlazKNtZBEhIKyechWRTURr9dQonQmuzWKHBgkImmk8kQg/QIALM9IW2bcBmK J8WdfJ12FUkdy0pDFOtJOiepuutsNPIzP1XWkcUPAo5QuLai/bPqZD59n6q1X7zipuCe xUig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:arc-authentication-results; bh=fe2D8eyoeEVIysyYgR94FNQnBpbQTtMExiQUxvR1804=; b=aM9ca2jo3xRftNv7BSCUsyTGiRVEHMJS2RcU02kS7pXfSJnlJJq/xas1Urc+QiKXCt 98gWcR/sB33p64cBNd/aGBDGYE2qW8+TxuXhvjLbvmphLNzmtArVpDKc2VvGzyNiRGM/ b052ZDPHbhNaUYM/k3En1a4flF+Ri8Eh3QlXjBIYp/0vyhqDYOf9EdP6zxi8b9sJ+XUK siYfh/lurcv455dk3QHyX2M408y87S9meycdA18iuMJdaePIKKILNjZGPADv57Z3Rmjv QJmWP1ZhrVLh7+uK9Athv8CHqm0dHzizFq/fkpFHTyt8PCbxoOth9onkWJ34NPBev0OA xgfw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t19si12812866plo.269.2017.11.12.17.40.28; Sun, 12 Nov 2017 17:40:28 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751921AbdKMBk0 (ORCPT + 27 others); Sun, 12 Nov 2017 20:40:26 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:10523 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751418AbdKMBjf (ORCPT ); Sun, 12 Nov 2017 20:39:35 -0500 Received: from 172.30.72.58 (EHLO DGGEMS403-HUB.china.huawei.com) ([172.30.72.58]) by dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DKV07224; Mon, 13 Nov 2017 09:39:26 +0800 (CST) Received: from linux-4hy3.site (10.107.193.248) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.361.1; Mon, 13 Nov 2017 09:39:07 +0800 From: Wang Nan To: , , , , CC: Wang Nan Subject: [PATCH 5/7] perf tests: Set evlist of test__task_exit() to !overwrite Date: Mon, 13 Nov 2017 01:38:07 +0000 Message-ID: <20171113013809.212417-6-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 X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090201.5A08F7CE.0036, 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: b71ca9d0323d1f2c1bbe98da2c15238b Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- tools/perf/tests/task-exit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.10.1 diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index f0881d0..4fb6609 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -96,7 +96,7 @@ 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;