From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752334AbaEULab (ORCPT ); Wed, 21 May 2014 07:30:31 -0400 Received: from casper.infradead.org ([85.118.1.10]:39411 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750980AbaEULaa (ORCPT ); Wed, 21 May 2014 07:30:30 -0400 Date: Wed, 21 May 2014 13:30:25 +0200 From: Peter Zijlstra To: Anshuman Khandual Cc: linux-kernel@vger.kernel.org, mpe@ellerman.id.au, benh@kernel.crashing.org Subject: Re: [V6 01/11] perf: Add PERF_SAMPLE_BRANCH_COND Message-ID: <20140521113025.GC2485@laptop.programming.kicks-ass.net> References: <1400666396-1682-1-git-send-email-khandual@linux.vnet.ibm.com> <1400666396-1682-2-git-send-email-khandual@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1400666396-1682-2-git-send-email-khandual@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 21, 2014 at 03:29:46PM +0530, Anshuman Khandual wrote: > This patch introduces new branch filter PERF_SAMPLE_BRANCH_COND which > will extend the existing perf ABI. Various architectures can provide > this functionality with either with HW filtering support (if present) > or with SW filtering of captured branch instructions. The Changelog fails to mention what _this_ functionality is.