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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 544C5C433F5 for ; Sat, 25 Aug 2018 02:09:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E917A21567 for ; Sat, 25 Aug 2018 02:09:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E917A21567 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.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 S1726915AbeHYFrC (ORCPT ); Sat, 25 Aug 2018 01:47:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:58224 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725966AbeHYFrC (ORCPT ); Sat, 25 Aug 2018 01:47:02 -0400 Received: from vmware.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (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 B9F0921567; Sat, 25 Aug 2018 02:09:50 +0000 (UTC) Date: Fri, 24 Aug 2018 22:09:49 -0400 From: Steven Rostedt To: Masami Hiramatsu Cc: Shuah Khan , Ingo Molnar , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 29/32] selftests/ftrace: Add wakeup_rt tracer testcase Message-ID: <20180824220949.2c8ee9a6@vmware.local.home> In-Reply-To: <153443777214.23257.14428652484801816908.stgit@devbox> References: <153443695002.23257.13628220023468200991.stgit@devbox> <153443777214.23257.14428652484801816908.stgit@devbox> X-Mailer: Claws Mail 3.15.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 17 Aug 2018 01:42:52 +0900 Masami Hiramatsu wrote: > 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 I think you meant "echo wakeup_rt" ;-) -- Steve > +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 > +