Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760143AbZCXR6i (ORCPT ); Tue, 24 Mar 2009 13:58:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754395AbZCXR5r (ORCPT ); Tue, 24 Mar 2009 13:57:47 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:59014 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753371AbZCXR5r (ORCPT ); Tue, 24 Mar 2009 13:57:47 -0400 Date: Tue, 24 Mar 2009 18:56:21 +0100 From: Ingo Molnar To: Mathieu Desnoyers Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, ltt-dev@lists.casi.polymtl.ca, Frederic Weisbecker , Jason Baron , Peter Zijlstra , Thomas Gleixner , Russell King , Masami Hiramatsu , "Frank Ch. Eigler" , Hideo AOKI , Takashi Nishiie , Steven Rostedt , Eduard - Gabriel Munteanu Subject: Re: [patch 3/9] LTTng instrumentation tasklets Message-ID: <20090324175621.GE31117@elte.hu> References: <20090324155625.420966314@polymtl.ca> <20090324160148.238795468@polymtl.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090324160148.238795468@polymtl.ca> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 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 Content-Length: 792 Lines: 23 * Mathieu Desnoyers wrote: > tasklet entry and exit events. > +DEFINE_TRACE(irq_tasklet_high_entry); > +DEFINE_TRACE(irq_tasklet_high_exit); > +DEFINE_TRACE(irq_tasklet_low_entry); > +DEFINE_TRACE(irq_tasklet_low_exit); Dunno - tasklets are a legacy mechanism, not sure we want to instrument them. That some tasklet activity happens will be obvious from the softirq tracepoints already. Anyway ... i guess we could do it if it's done via the more complete TRACE_EVENT() mechanism in the tracing tree. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/