From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754468AbZEYNFI (ORCPT ); Mon, 25 May 2009 09:05:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753710AbZEYNEk (ORCPT ); Mon, 25 May 2009 09:04:40 -0400 Received: from hera.kernel.org ([140.211.167.34]:53305 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754146AbZEYNEj (ORCPT ); Mon, 25 May 2009 09:04:39 -0400 Date: Mon, 25 May 2009 13:03:55 GMT From: tip-bot for Peter Zijlstra To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, acme@redhat.com, paulus@samba.org, hpa@zytor.com, mingo@redhat.com, jkacur@redhat.com, a.p.zijlstra@chello.nl, tglx@linutronix.de, cjashfor@linux.vnet.ibm.com, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, paulus@samba.org, acme@redhat.com, linux-kernel@vger.kernel.org, jkacur@redhat.com, a.p.zijlstra@chello.nl, tglx@linutronix.de, cjashfor@linux.vnet.ibm.com, mingo@elte.hu In-Reply-To: <20090525124600.203151469@chello.nl> References: <20090525124600.203151469@chello.nl> Subject: [tip:perfcounters/core] perf_counter: Make pctrl() affect inherited counters too Message-ID: Git-Commit-ID: 771d7cde144d87f2d1fbee4da3c6234d61f7e42a X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Mon, 25 May 2009 13:03:56 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 771d7cde144d87f2d1fbee4da3c6234d61f7e42a Gitweb: http://git.kernel.org/tip/771d7cde144d87f2d1fbee4da3c6234d61f7e42a Author: Peter Zijlstra AuthorDate: Mon, 25 May 2009 14:45:26 +0200 Committer: Ingo Molnar CommitDate: Mon, 25 May 2009 14:55:00 +0200 perf_counter: Make pctrl() affect inherited counters too Paul noted that the new ptcrl() didn't work on child counters. Reported-by: Paul Mackerras Signed-off-by: Peter Zijlstra Cc: Corey Ashford Cc: Arnaldo Carvalho de Melo Cc: John Kacur LKML-Reference: <20090525124600.203151469@chello.nl> Signed-off-by: Ingo Molnar --- kernel/perf_counter.c | 48 ++++++++++++++++++++++++------------------------ 1 files changed, 24 insertions(+), 24 deletions(-) diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 6cdf824..217dbcc 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -1067,30 +1067,6 @@ static void perf_counter_cpu_sched_in(struct perf_cpu_context *cpuctx, int cpu) __perf_counter_sched_in(ctx, cpuctx, cpu); } -int perf_counter_task_enable(void) -{ - struct perf_counter *counter; - - mutex_lock(¤t->perf_counter_mutex); - list_for_each_entry(counter, ¤t->perf_counter_list, owner_entry) - perf_counter_enable(counter); - mutex_unlock(¤t->perf_counter_mutex); - - return 0; -} - -int perf_counter_task_disable(void) -{ - struct perf_counter *counter; - - mutex_lock(¤t->perf_counter_mutex); - list_for_each_entry(counter, ¤t->perf_counter_list, owner_entry) - perf_counter_disable(counter); - mutex_unlock(¤t->perf_counter_mutex); - - return 0; -} - static void perf_log_period(struct perf_counter *counter, u64 period); static void perf_adjust_freq(struct perf_counter_context *ctx) @@ -1505,6 +1481,30 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return 0; } +int perf_counter_task_enable(void) +{ + struct perf_counter *counter; + + mutex_lock(¤t->perf_counter_mutex); + list_for_each_entry(counter, ¤t->perf_counter_list, owner_entry) + perf_counter_for_each_child(counter, perf_counter_enable); + mutex_unlock(¤t->perf_counter_mutex); + + return 0; +} + +int perf_counter_task_disable(void) +{ + struct perf_counter *counter; + + mutex_lock(¤t->perf_counter_mutex); + list_for_each_entry(counter, ¤t->perf_counter_list, owner_entry) + perf_counter_for_each_child(counter, perf_counter_disable); + mutex_unlock(¤t->perf_counter_mutex); + + return 0; +} + /* * Callers need to ensure there can be no nesting of this function, otherwise * the seqlock logic goes bad. We can not serialize this because the arch