From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758646Ab0IHL0I (ORCPT ); Wed, 8 Sep 2010 07:26:08 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:52986 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751289Ab0IHL0H (ORCPT ); Wed, 8 Sep 2010 07:26:07 -0400 Date: Wed, 8 Sep 2010 13:25:29 +0200 From: Ingo Molnar To: mingo@redhat.com, mathieu.desnoyers@efficios.com, sanagi.koki@jp.fujitsu.com, fweisbec@gmail.com, rostedt@goodmis.org, nhorman@tuxdriver.com, scott.a.mcmillan@intel.com, tglx@linutronix.de, laijs@cn.fujitsu.com, hpa@zytor.com, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com, kaneshige.kenji@jp.fujitsu.com, davem@davemloft.net, izumi.taku@jp.fujitsu.com, kosaki.motohiro@jp.fujitsu.com Cc: linux-tip-commits@vger.kernel.org Subject: [sparc build bug] Re: [tip:perf/core] irq: Add tracepoint to softirq_raise Message-ID: <20100908112529.GA25931@elte.hu> References: <4C724298.4050509@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * tip-bot for Lai Jiangshan wrote: > Commit-ID: 2bf2160d8805de64308e2e7c3cd97813cb58ed2f > Gitweb: http://git.kernel.org/tip/2bf2160d8805de64308e2e7c3cd97813cb58ed2f > Author: Lai Jiangshan > AuthorDate: Mon, 23 Aug 2010 18:42:48 +0900 > Committer: Frederic Weisbecker > CommitDate: Tue, 7 Sep 2010 17:49:34 +0200 > > irq: Add tracepoint to softirq_raise > > Add a tracepoint for tracing when softirq action is raised. > > This and the existing tracepoints complete softirq's tracepoints: > softirq_raise, softirq_entry and softirq_exit. > > And when this tracepoint is used in combination with > the softirq_entry tracepoint we can determine > the softirq raise latency. > > Signed-off-by: Lai Jiangshan > Acked-by: Mathieu Desnoyers > Acked-by: Neil Horman > Cc: David Miller > Cc: Kaneshige Kenji > Cc: Izumo Taku > Cc: Kosaki Motohiro > Cc: Lai Jiangshan > Cc: Scott Mcmillan > Cc: Steven Rostedt > Cc: Eric Dumazet > LKML-Reference: <4C724298.4050509@jp.fujitsu.com> > [ factorize softirq events with DECLARE_EVENT_CLASS ] > Signed-off-by: Koki Sanagi > Signed-off-by: Frederic Weisbecker > --- > include/linux/interrupt.h | 8 +++++++- > include/trace/events/irq.h | 26 ++++++++++++++++++++++++-- > 2 files changed, 31 insertions(+), 3 deletions(-) FYI, this commit broke the Sparc build: In file included from /home/mingo/tip/arch/sparc/include/asm/irq_32.h:11, from /home/mingo/tip/arch/sparc/include/asm/irq.h:6, from /home/mingo/tip/include/linux/irqnr.h:10, from /home/mingo/tip/include/linux/irq.h:22, from /home/mingo/tip/include/asm-generic/hardirq.h:6, from /home/mingo/tip/arch/sparc/include/asm/hardirq_32.h:11, from /home/mingo/tip/arch/sparc/include/asm/hardirq.h:6, from /home/mingo/tip/include/linux/hardirq.h:10, from /home/mingo/tip/include/linux/ftrace_event.h:7, from /home/mingo/tip/include/trace/syscall.h:6, from /home/mingo/tip/include/linux/syscalls.h:76, from /home/mingo/tip/init/initramfs.c:9: /home/mingo/tip/include/linux/interrupt.h: In function '__raise_softirq_irqoff': /home/mingo/tip/include/linux/interrupt.h:414: error: implicit declaration of function 'local_softirq_pending' /home/mingo/tip/include/linux/interrupt.h:414: error: lvalue required as left operand of assignment make[2]: *** [init/initramfs.o] Error 1 make[2]: *** Waiting for unfinished jobs.... In file included from /home/mingo/tip/arch/sparc/include/asm/irq_32.h:11, Ingo