From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754247AbZDNAN4 (ORCPT ); Mon, 13 Apr 2009 20:13:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752490AbZDNANp (ORCPT ); Mon, 13 Apr 2009 20:13:45 -0400 Received: from hera.kernel.org ([140.211.167.34]:42101 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751697AbZDNANo (ORCPT ); Mon, 13 Apr 2009 20:13:44 -0400 Date: Tue, 14 Apr 2009 00:13:04 GMT From: tip-bot for Lai Jiangshan To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, fweisbec@gmail.com, srostedt@redhat.com, tglx@linutronix.de, laijs@cn.fujitsu.com, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, fweisbec@gmail.com, srostedt@redhat.com, tglx@linutronix.de, laijs@cn.fujitsu.com, mingo@elte.hu In-Reply-To: <49D458B1.5000703@cn.fujitsu.com> References: <49D458B1.5000703@cn.fujitsu.com> Subject: [tip:sched/urgent] tracing, sched: mark get_parent_ip() notrace Message-ID: Git-Commit-ID: 132380a06b24704fd6c9be55c44d4ef3972cead2 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]); Tue, 14 Apr 2009 00:13:06 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 132380a06b24704fd6c9be55c44d4ef3972cead2 Gitweb: http://git.kernel.org/tip/132380a06b24704fd6c9be55c44d4ef3972cead2 Author: Lai Jiangshan AuthorDate: Thu, 2 Apr 2009 14:18:25 +0800 Committer: Ingo Molnar CommitDate: Tue, 14 Apr 2009 02:11:05 +0200 tracing, sched: mark get_parent_ip() notrace Impact: remove overly redundant tracing entries When tracer is "function" or "function_graph", way too much "get_parent_ip" entries are recorded in ring_buffer. Signed-off-by: Lai Jiangshan Acked-by: Frederic Weisbecker Acked-by: Steven Rostedt LKML-Reference: <49D458B1.5000703@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- kernel/sched.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index 5724508..e90e70e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4846,7 +4846,7 @@ void scheduler_tick(void) #endif } -unsigned long get_parent_ip(unsigned long addr) +notrace unsigned long get_parent_ip(unsigned long addr) { if (in_lock_functions(addr)) { addr = CALLER_ADDR2;