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 A7A78C282DE for ; Tue, 5 Feb 2019 22:42:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7319A2175B for ; Tue, 5 Feb 2019 22:42:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549406557; bh=alDVXvG/kmHoahAYIoLfxDroKlCCKLYWMSwwYVnO8k4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:List-ID:From; b=P2Y14/SVU8L8bQWKXvV66kK008Zb5P+xDbqm2U12+vEH6POY3wFgiEYdwOYcLQg9n af6YelOXY8ePOCZdOkUT2bYHmqsJz4c8laVNlmfy9LSV6wKqpn28hM1zIyIRFrcbhP hlv5k2z/W3bqh0I8diF+UMiM7bveurshkqnfjY5U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730516AbfBEWmf (ORCPT ); Tue, 5 Feb 2019 17:42:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:43346 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730374AbfBEWmZ (ORCPT ); Tue, 5 Feb 2019 17:42:25 -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 DA218218C3; Tue, 5 Feb 2019 22:42:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549406544; bh=alDVXvG/kmHoahAYIoLfxDroKlCCKLYWMSwwYVnO8k4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=qLNCEdvxV5+jONykHdg0Pq+WcRKiwtmm9DbjoVEQAIJ8qAoBVAiEM/nq9yg5YFw0U HyHUm8O8NBD6V+DUofVnHAt7dF+Nmm7W+5+9dyukApYUXmrEarmgUEAznuQnkwk2tw epKIScQlSVz6kUo3tzzrUVoXW2+1mSkWrLAqcGNg= 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 v14 12/15] tracing: Add hist trigger snapshot() action test case Date: Tue, 5 Feb 2019 16:41:58 -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:snapshot() action. Signed-off-by: Tom Zanussi Acked-by: Masami Hiramatsu --- .../inter-event/trigger-snapshot-action-hist.tc | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc new file mode 100644 index 000000000000..18fff69fc433 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc @@ -0,0 +1,43 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test inter-event histogram trigger snapshot action + +fail() { #msg + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f snapshot ]; then + echo "snapshot is not supported" + exit_unsupported +fi + +grep -q "onchange(var)" README || exit_unsupported # version issue + +grep -q "snapshot()" README || exit_unsupported # version issue + +echo "Test snapshot action" + +echo 1 > /sys/kernel/debug/tracing/events/sched/enable + +echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger + +ping $LOCALHOST -c 3 +nice -n 1 ping $LOCALHOST -c 3 + +echo 0 > tracing_on + +if ! grep -q "changed:" events/sched/sched_waking/hist; then + fail "Failed to create onchange action inter-event histogram" +fi + +if ! grep -q "comm=ping" snapshot; then + fail "Failed to create snapshot action inter-event histogram" +fi + +exit 0 -- 2.14.1