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 C8091C433F4 for ; Fri, 24 Aug 2018 23:26:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F18721564 for ; Fri, 24 Aug 2018 23:26:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5F18721564 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 S1727408AbeHYDDQ (ORCPT ); Fri, 24 Aug 2018 23:03:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:34264 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726840AbeHYDDQ (ORCPT ); Fri, 24 Aug 2018 23:03:16 -0400 Received: from gandalf.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 C4BB921557; Fri, 24 Aug 2018 23:26:30 +0000 (UTC) Date: Fri, 24 Aug 2018 19:26:29 -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 26/32] selftests/ftrace: Add trace_pipe testcase Message-ID: <20180824192629.42c8e906@gandalf.local.home> In-Reply-To: <153443768729.23257.2645114356784631107.stgit@devbox> References: <153443695002.23257.13628220023468200991.stgit@devbox> <153443768729.23257.2645114356784631107.stgit@devbox> X-Mailer: Claws Mail 3.16.0 (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 01:41:27 +0900 Masami Hiramatsu wrote: > Add a simple testcase for trace_pipe which can consume > ringbuffer. > > Signed-off-by: Masami Hiramatsu > --- > .../selftests/ftrace/test.d/00basic/trace_pipe.tc | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc > > diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc > new file mode 100644 > index 000000000000..a7dd6fda487a > --- /dev/null > +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc > @@ -0,0 +1,15 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > +# description: trace_pipe and trace_marker Should add: # flags: instance -- Steve > + > +[ ! -f trace_marker ] && exit_unsupported > + > +echo "test input 1" > trace_marker > + > +: "trace interface never consume the ring buffer" > +grep -q "test input 1" trace > +grep -q "test input 1" trace > + > +: "trace interface never consume the ring buffer" > +head -n 1 trace_pipe | grep -q "test input 1" > +! grep -q "test input 1" trace