From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752541AbaASMXy (ORCPT ); Sun, 19 Jan 2014 07:23:54 -0500 Received: from terminus.zytor.com ([198.137.202.10]:55777 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752366AbaASMXu (ORCPT ); Sun, 19 Jan 2014 07:23:50 -0500 Date: Sun, 19 Jan 2014 04:23:30 -0800 From: tip-bot for Namhyung Kim Message-ID: Cc: acme@redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl, namhyung.kim@lge.com, namhyung@kernel.org, jolsa@redhat.com, fweisbec@gmail.com, rostedt@goodmis.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, acme@redhat.com, a.p.zijlstra@chello.nl, namhyung.kim@lge.com, namhyung@kernel.org, jolsa@redhat.com, fweisbec@gmail.com, rostedt@goodmis.org, tglx@linutronix.de In-Reply-To: <1389839478-5887-8-git-send-email-namhyung@kernel.org> References: <1389839478-5887-8-git-send-email-namhyung@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] tools lib traceevent: Unregister handler when sched_switch plugin is unloaded Git-Commit-ID: 02bafd377c1137d0705f224881cd21de123204f0 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Sun, 19 Jan 2014 04:23:36 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 02bafd377c1137d0705f224881cd21de123204f0 Gitweb: http://git.kernel.org/tip/02bafd377c1137d0705f224881cd21de123204f0 Author: Namhyung Kim AuthorDate: Thu, 16 Jan 2014 11:31:13 +0900 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 16 Jan 2014 16:26:25 -0300 tools lib traceevent: Unregister handler when sched_switch plugin is unloaded The event handlers should be unregistered when the plugin is unloaded otherwise they'll try to access invalid memory. Signed-off-by: Namhyung Kim Reviewed-by: Jiri Olsa Acked-by: Steven Rostedt Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Steven Rostedt Link: http://lkml.kernel.org/r/1389839478-5887-8-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/traceevent/plugin_sched_switch.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c index fea3724..f1ce600 100644 --- a/tools/lib/traceevent/plugin_sched_switch.c +++ b/tools/lib/traceevent/plugin_sched_switch.c @@ -146,3 +146,15 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent) sched_wakeup_handler, NULL); return 0; } + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, "sched", "sched_switch", + sched_switch_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup", + sched_wakeup_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup_new", + sched_wakeup_handler, NULL); +}