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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 06607C282C4 for ; Mon, 4 Feb 2019 21:46:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C58BE20844 for ; Mon, 4 Feb 2019 21:46:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549316768; bh=69H0Rau91m0BDUFzzGTW9uHGU5es4EwEUvCRAAl6Q70=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:List-ID:From; b=ZdFD+aNdL4RoC/APs/mF9fhGOOVsj6TE81yw6WZR6H30pqTPDW9FONaevFHdEIogi TA/9XfD2fZWp2WTOX6sdUdFS0Qt6/UUiWjwqnizhRhYfQm+J9WDC1bCRQ46ur3AuEO 6gcFia2uaJHb4QtXBbB1Artel8ZY+EkHiCu3iXHo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730467AbfBDVqG (ORCPT ); Mon, 4 Feb 2019 16:46:06 -0500 Received: from mail.kernel.org ([198.145.29.99]:47180 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730348AbfBDVpo (ORCPT ); Mon, 4 Feb 2019 16:45:44 -0500 Received: from localhost.localdomain (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 D62BE2186A; Mon, 4 Feb 2019 21:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549316743; bh=69H0Rau91m0BDUFzzGTW9uHGU5es4EwEUvCRAAl6Q70=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=b2tK1IV5sGWvediTkZ0O2lkionHeF1vvOw23HglIoiBreDtBcKUtzNolmtG0ZE85Z LN+XmTcGSWmtsHAbBT6vKZ3jSEgbwtGF08mUxX/yDnwLrrjN6ZDHUKjh/ZNMNrPRRJ GP4NP8nf6RQJ7QWgo21P0c002/KJnk1ydVcMAjgY= 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 v13 13/15] tracing: Add hist trigger onchange() handler test case Date: Mon, 4 Feb 2019 15:45:07 -0600 Message-Id: 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 Acked-by: Masami Hiramatsu --- .../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..064a284e4e75 --- /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 $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +grep -q "onchange(var)" README || exit_unsupported # version issue + +echo "Test onchange action" + +echo 'hist:keys=comm:newprio=prio:onchange($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