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=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 7D0F7C04EBC for ; Wed, 14 Nov 2018 20:18:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4646422522 for ; Wed, 14 Nov 2018 20:18:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="YQ2lM8fS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4646422522 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 S2387639AbeKOGXT (ORCPT ); Thu, 15 Nov 2018 01:23:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:40066 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727686AbeKOGXS (ORCPT ); Thu, 15 Nov 2018 01:23:18 -0500 Received: from tzanussi-mobl.hsd1.il.comcast.net (c-98-220-238-81.hsd1.il.comcast.net [98.220.238.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 253E02251E; Wed, 14 Nov 2018 20:18:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542226718; bh=G4rEe9XyfcmwyYlpx7ntHO53s49o6BtVbZQuyWtrb4s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=YQ2lM8fSKkkyGujiZbGmtp13vkhFpidh1gcCsHBgq8Xp+WTlN0+opHrrPFYC33BT7 kaBiNMzhR+fyCmBJ+XQrq9eLBCVSpIjlZp/gP5+oJV+Um1c5friSwz1N5nWGB3XMRw 4fMVD1+0otu7xeU5bQpE3aIbLqqZM9olfa0cbJok= From: Tom Zanussi To: rostedt@goodmis.org Cc: tglx@linutronix.de, mhiramat@kernel.org, namhyung@kernel.org, vedang.patel@intel.com, bigeasy@linutronix.de, joel@joelfernandes.org, mathieu.desnoyers@efficios.com, julia@ni.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: [PATCH v7 12/16] tracing: Add hist trigger onchange() handler test case Date: Wed, 14 Nov 2018 14:18:09 -0600 Message-Id: <4f5f3f79b86dbac2a7b3924381cf2d9c8441d2db.1542221863.git.tom.zanussi@linux.intel.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tom Zanussi Add a test case verifying the basic functionality of the hist:onchange($var) handler. Signed-off-by: Tom Zanussi --- .../inter-event/trigger-onchange-action-hist.tc | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc new file mode 100644 index 000000000000..5657d118d218 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc @@ -0,0 +1,28 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test inter-event histogram trigger onchange action + +fail() { #msg + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +grep -q "onchange(var)" README > /dev/null || exit_unsupported # version issue + +echo "Test onchange action" + +echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger + +ping $LOCALHOST -c 3 +nice -n 1 ping $LOCALHOST -c 3 + +if ! grep -q "changed:" events/sched/sched_waking/hist; then + fail "Failed to create onchange action inter-event histogram" +fi + +exit 0 -- 2.14.1