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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 50AE8C6786F for ; Tue, 30 Oct 2018 13:15:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 124E120870 for ; Tue, 30 Oct 2018 13:15:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 124E120870 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 S1728044AbeJ3WI3 (ORCPT ); Tue, 30 Oct 2018 18:08:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:48770 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727806AbeJ3WI2 (ORCPT ); Tue, 30 Oct 2018 18:08:28 -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 4842E2087A; Tue, 30 Oct 2018 13:15:03 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.91) (envelope-from ) id 1gHTrK-0002gS-Aj; Tue, 30 Oct 2018 09:15:02 -0400 Message-Id: <20181030131502.234039514@goodmis.org> User-Agent: quilt/0.65 Date: Tue, 30 Oct 2018 09:13:34 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Linus Torvalds , Ingo Molnar , Andrew Morton , Shuah Khan , Tom Zanussi , Tom Zanussi , Tom Zanussi , Rajvi Jingar , stable@vger.kernel.org, Masami Hiramatsu Subject: [PATCH 2/2] selftests/ftrace: Fix synthetic event test to delete event correctly References: <20181030131332.141023797@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Masami Hiramatsu Fix the synthetic event test case to remove event correctly. If redirecting command to synthetic_event file without append mode, it cleans up all existing events and execute (parse) the command. This means "delete event" always fails to find the target event. Since previous synthetic event has a bug which doesn't return -ENOENT even if it fails to find the deleting event, this test passed. But fixing that bug, this test fails because this test itself has a bug. This fixes that bug by trying to delete event right after adding an event, and use append mode redirection ('>>') instead of normal redirection ('>'). Link: http://lkml.kernel.org/r/154013452832.25576.2305459545429386517.stgit@devbox Acked-by: Shuah Khan Acked-by: Tom Zanussi Tested-by: Tom Zanussi Cc: Tom Zanussi Cc: Tom Zanussi Cc: Rajvi Jingar Cc: Shuah Khan Cc: stable@vger.kernel.org Fixes: f06eec4d0f2c ('selftests: ftrace: Add inter-event hist triggers testcases') Signed-off-by: Masami Hiramatsu Signed-off-by: Steven Rostedt (VMware) --- .../trigger-synthetic-event-createremove.tc | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc index cef11377dcbd..c604438df13b 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc @@ -35,18 +35,18 @@ fi reset_trigger -echo "Test create synthetic event with an error" -echo 'wakeup_latency u64 lat pid_t pid char' > synthetic_events > /dev/null +echo "Test remove synthetic event" +echo '!wakeup_latency u64 lat pid_t pid char comm[16]' >> synthetic_events if [ -d events/synthetic/wakeup_latency ]; then - fail "Created wakeup_latency synthetic event with an invalid format" + fail "Failed to delete wakeup_latency synthetic event" fi reset_trigger -echo "Test remove synthetic event" -echo '!wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events +echo "Test create synthetic event with an error" +echo 'wakeup_latency u64 lat pid_t pid char' > synthetic_events > /dev/null if [ -d events/synthetic/wakeup_latency ]; then - fail "Failed to delete wakeup_latency synthetic event" + fail "Created wakeup_latency synthetic event with an invalid format" fi do_reset -- 2.19.0