From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 856B6C4321D for ; Thu, 16 Aug 2018 16:43:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EC4E208E9 for ; Thu, 16 Aug 2018 16:43:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="SO6GFx8v" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3EC4E208E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404524AbeHPTmu (ORCPT ); Thu, 16 Aug 2018 15:42:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:54032 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387875AbeHPTmu (ORCPT ); Thu, 16 Aug 2018 15:42:50 -0400 Received: from localhost.localdomain (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 23638208E9; Thu, 16 Aug 2018 16:43:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1534437795; bh=Rvdl6l5EzrJhD2Mq+sG14OGD0Bjiy9GAEEcq+LOe5lI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SO6GFx8vFm9cUBsxZhw4y48k/gvF99B5xlUTzgN/HAuHpf5btvESRueeQJ6j7Ab3v lUjAaByTloNrwp+B4+qTkpsA+Zw+4AMPrLfYLqz4lqy2Uecsu5hmDVCBuPfvKLpY4C bLSPZ9RISKx2bCSl/0U6ynIrMNcVTyxsIiYi+fMA= From: Masami Hiramatsu To: Shuah Khan , Steven Rostedt Cc: Ingo Molnar , Masami Hiramatsu , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 29/32] selftests/ftrace: Add wakeup_rt tracer testcase Date: Fri, 17 Aug 2018 01:42:52 +0900 Message-Id: <153443777214.23257.14428652484801816908.stgit@devbox> X-Mailer: git-send-email 2.13.6 In-Reply-To: <153443695002.23257.13628220023468200991.stgit@devbox> References: <153443695002.23257.13628220023468200991.stgit@devbox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a testcase for wakeup_rt tracer. This requires chrt command to test. Signed-off-by: Masami Hiramatsu --- .../selftests/ftrace/test.d/tracer/wakeup_rt.tc | 25 ++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc new file mode 100644 index 000000000000..3f279072ec2d --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc @@ -0,0 +1,25 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL2.0 +# description: Test wakeup RT tracer + +if ! which nice ; then + echo "chrt is not found. This test requires chrt command." + exit_unresolved +fi + +if ! grep -wq "wakeup_rt" available_tracers ; then + echo "wakeup_rt tracer is not supported" + exit_unsupported +fi + +echo wakeup > current_tracer +echo 1 > tracing_on +echo 0 > tracing_max_latency + +: "Wakeup a realtime task" +chrt -f 5 sleep 1 + +echo 0 > tracing_on +grep "+ \[[[:digit:]]*\]" trace +grep "==> \[[[:digit:]]*\]" trace +