Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752818AbbLIIEs (ORCPT ); Wed, 9 Dec 2015 03:04:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59905 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751451AbbLIIEr (ORCPT ); Wed, 9 Dec 2015 03:04:47 -0500 Date: Wed, 9 Dec 2015 09:04:40 +0100 From: Jiri Olsa To: Yunlong Song Cc: dzickus@redhat.com, dsahern@gmail.com, fweisbec@gmail.com, jmario@redhat.com, efault@gmx.de, paulus@samba.org, Peter Zijlstra , rfowles@redhat.com, eranian@google.com, "acme@kernel.org >> Arnaldo Carvalho de Melo" , mingo@redhat.com, Linux Kernel Mailing List , Jiri Olsa , "wangnan0@huawei.com >> Wang Nan" , fowles@inreach.com, Namhyung Kim , andi@firstfloor.org Subject: Re: [Questions] perf c2c: What's the current status of perf c2c? Message-ID: <20151209080440.GA17211@krava.brq.redhat.com> References: <5667A8D4.4090601@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5667A8D4.4090601@huawei.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1033 Lines: 24 On Wed, Dec 09, 2015 at 12:06:44PM +0800, Yunlong Song wrote: > Hi, Don, > I am interested in the perf c2c tool, which is introduced in: http://lwn.net/Articles/588866/ > However, I found that this tool has not been applied to the mainline tree of perf, Why? It was first > introduced in Feb. 2014. What's its current status now? Does it have a new version or a repository > somewhere else? And does it support Haswell? hi, not sure Don made any progress on this field, but I'm having his c2c sources rebased current perf sources ATM. I changed the tool a little to run over new DATALA events added in Haswell (in addition to ldlat events) and it seems to work. the plan for me is to to use it some more to prove it's useful and kick it to be merged with perf at some point jirka -- 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/