From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Wagner Subject: Re: [RFD 5/5] tracing: Add trace_irqsoff tracepoints Date: Fri, 01 May 2015 09:23:48 +0000 Message-ID: <55434624.6060109@monom.org> References: <1430388385-29558-1-git-send-email-daniel.wagner@bmw-carit.de> <1430388385-29558-6-git-send-email-daniel.wagner@bmw-carit.de> <1430446492.17922.32.camel@picadillo> <20150430225411.37cbb7cc@grimm.local.home> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: Daniel Wagner , Ingo Molnar , Carsten Emde , linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org To: Steven Rostedt , Tom Zanussi Return-path: Received: from mail-wg0-f50.google.com ([74.125.82.50]:35998 "EHLO mail-wg0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753578AbbEAJXy (ORCPT ); Fri, 1 May 2015 05:23:54 -0400 Received: by wgen6 with SMTP id n6so86283480wge.3 for ; Fri, 01 May 2015 02:23:53 -0700 (PDT) In-Reply-To: <20150430225411.37cbb7cc@grimm.local.home> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 05/01/2015 02:54 AM, Steven Rostedt wrote: > On Thu, 30 Apr 2015 21:14:52 -0500 > Tom Zanussi wrote: > > >>> 'hist:key=latency.bucket:val=hitcount:sort=latency if cpu==0' >>> >>> but I haven't got this working. I didn't spend much time figuring out >>> why this doesn't work. Even if the above is working you still >> >> I think it doesn't work because the tracepoint doesn't actually have a >> 'cpu' field to use in the filter... > > Perhaps we should add special fields that don't use the tracepoint > field, but can use generically know fields that are always known when > the tracepoint is triggered. COMM could be one, as well as CPU. I'll give it a try if no one objects next week (public holiday today :)) cheers, daniel