From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754410Ab0E3OH6 (ORCPT ); Sun, 30 May 2010 10:07:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34607 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752983Ab0E3OH5 (ORCPT ); Sun, 30 May 2010 10:07:57 -0400 Message-ID: <4C027131.2010309@redhat.com> Date: Sun, 30 May 2010 17:07:45 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 MIME-Version: 1.0 To: rostedt@goodmis.org CC: Stefan Hajnoczi , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Frederic Weisbecker , Marcelo Tosatti , Peter Zijlstra , Stefan Hajnoczi , Johannes Berg , Darren Hart Subject: Re: Perf trace event parse errors for KVM events References: <20100526123443.GB8905@stefan-thinkpad.transitives.com> <1275083157.22648.593.camel@gandalf.stny.rr.com> <4C00FF9B.9000107@redhat.com> <1275139177.22648.610.camel@gandalf.stny.rr.com> <4C021D7E.1060705@redhat.com> <1275228182.15884.1.camel@gandalf.stny.rr.com> In-Reply-To: <1275228182.15884.1.camel@gandalf.stny.rr.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/30/2010 05:03 PM, Steven Rostedt wrote: > >> Right. The tools can fall back to %x/%s based on the structure >> descriptor if they can't parse the format string. >> >> > trace-cmd has plugin support to override how to read the format and > print it out. It now has the ability to write those plugins in python. > Cool. May make sense to use simpler formatting in the kernel, and use trace-cmd plugins for the complicated cases. It does raise issues with ABIs. Can trace-cmd read plugins from /lib/modules/*? We can then distribute the plugins with the kernel. -- error compiling committee.c: too many arguments to function