Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755066Ab2EPQ6e (ORCPT ); Wed, 16 May 2012 12:58:34 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:9535 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751884Ab2EPQ6d (ORCPT ); Wed, 16 May 2012 12:58:33 -0400 X-Authority-Analysis: v=2.0 cv=ae7jbGUt c=1 sm=0 a=ZycB6UtQUfgMyuk2+PxD7w==:17 a=XQbtiDEiEegA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=ylC6d8igtuBafk5u--MA:9 a=PUjeQqilurYA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.80.29 Message-ID: <1337187503.6724.50.camel@gandalf.stny.rr.com> Subject: Re: Perf record format portability From: Steven Rostedt To: Arnaldo Carvalho de Melo Cc: Dmitry Antipov , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Amit Kucheria , linaro-dev@lists.linaro.org, linux-kernel@vger.kernel.org, Jiri Olsa Date: Wed, 16 May 2012 12:58:23 -0400 In-Reply-To: <20120516145927.GC7864@infradead.org> References: <4FB275EB.5050904@linaro.org> <20120515155146.GB7864@infradead.org> <4FB38677.8070601@linaro.org> <20120516145927.GC7864@infradead.org> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.2.2-1 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1180 Lines: 36 On Wed, 2012-05-16 at 11:59 -0300, Arnaldo Carvalho de Melo wrote: > Steve, > > Was the kernel trace events infrastructure designed with that in > mind? I.e. cross analysis? I must be missing something here, still > ENOCOFFEE :-\ Yes, the libparsevents library was design for this from day one. That's why trace-cmd data file can be run on an ARM and read on x86, or PPC, or whatever. I did all my development testing against 32bit, 64bit and big and little endian. This was the case from the beginning. -- Steve > > When doing cross arch event analisys I tested: > > PERF_TYPE_HARDWARE = 0, > PERF_TYPE_SOFTWARE = 1, > PERF_TYPE_HW_CACHE = 3, > > Not: > > PERF_TYPE_TRACEPOINT = 2, > PERF_TYPE_RAW = 4, > PERF_TYPE_BREAKPOINT = 5, > > - Arnaldo -- 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/