From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751628AbbEXTTu (ORCPT ); Sun, 24 May 2015 15:19:50 -0400 Received: from one.firstfloor.org ([193.170.194.197]:60921 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751576AbbEXTTr (ORCPT ); Sun, 24 May 2015 15:19:47 -0400 Date: Sun, 24 May 2015 21:19:44 +0200 From: Andi Kleen To: Jiri Olsa Cc: Andi Kleen , acme@kernel.org, linux-kernel@vger.kernel.org, namhyung@kernel.org, eranian@google.com Subject: Re: Cycles annotation support for perf tools Message-ID: <20150524191944.GI19417@two.firstfloor.org> References: <1431265926-4766-1-git-send-email-andi@firstfloor.org> <20150524185500.GA5792@krava.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150524185500.GA5792@krava.redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 24, 2015 at 08:55:00PM +0200, Jiri Olsa wrote: > On Sun, May 10, 2015 at 06:51:56AM -0700, Andi Kleen wrote: > > The upcoming Skylake CPU has a new timed branch stack feature, > > that reports cycle counts for individual branches in the > > last branch record. > > > > This allows to get fine grained cost information for code, and also allows > > to compute fine grained IPC. > > > > This patchkit adds support for this in the perf tools: > > - Basic support for the cycles field like other branch fields > > - Show cycles in the standard branch sort view (no IPC here, > > as IPC needs the instruction counts from annotation) > > - Annotate cycles and IPC in the assembler annotate view > > - Add branch support to top, so we can do live annotation. > > - Misc support, like dumping it in perf report -D > > hi, > do you have a branch with this change? git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc perf/skl-tools1 This version contains one bugfix over the posted version. -Andi -- ak@linux.intel.com -- Speaking for myself only.