From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934039Ab3JOXdy (ORCPT ); Tue, 15 Oct 2013 19:33:54 -0400 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.226]:41032 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933634Ab3JOXdx (ORCPT ); Tue, 15 Oct 2013 19:33:53 -0400 Date: Tue, 15 Oct 2013 19:33:46 -0400 From: Steven Rostedt To: Daniel Lezcano Cc: fweisbec@gmail.com, mingo@redhat.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, patches@linaro.org, linaro-kernel@lists.linaro.org, shaojie.sun@linaro.org Subject: Re: [PATCH] ARM: trace: Add tracepoint for the Inter Processor Interrupt Message-ID: <20131015193346.292b252d@gandalf.local.home> In-Reply-To: <525CE007.6070101@linaro.org> References: <1381758807-31139-1-git-send-email-daniel.lezcano@linaro.org> <20131014232004.5cbedbb8@gandalf.local.home> <525CE007.6070101@linaro.org> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.20; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 15 Oct 2013 08:26:15 +0200 Daniel Lezcano wrote: > Mmh, I have a doubt here about the trace. I can remove the cpumask > because it is not used but in the other hand, it would be interesting to > have in the trace the cpumask of the recipient cpus for the IPI. > Unfortunately, I don't know how to convert this cpumask to a string > without using the cpumask_scnprintf which imply a more complex print trace. > > Do you have some advices for that ? What's wrong with recording the cpumask into the trace buffer and then using cpumask_scnprintf() as output? We can update trace-cmd and libtraceevent to handle that output too. -- Steve