From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751733AbaIJIhR (ORCPT ); Wed, 10 Sep 2014 04:37:17 -0400 Received: from mail-oa0-f52.google.com ([209.85.219.52]:64408 "EHLO mail-oa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751222AbaIJIhP (ORCPT ); Wed, 10 Sep 2014 04:37:15 -0400 MIME-Version: 1.0 In-Reply-To: <20140910075954.GW3588@twins.programming.kicks-ass.net> References: <1410310148-26260-1-git-send-email-andi@firstfloor.org> <1410310148-26260-2-git-send-email-andi@firstfloor.org> <20140910075926.GM6758@twins.programming.kicks-ass.net> <20140910075954.GW3588@twins.programming.kicks-ass.net> Date: Wed, 10 Sep 2014 10:37:14 +0200 Message-ID: Subject: Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for PRECDIST From: Stephane Eranian To: Peter Zijlstra Cc: Andi Kleen , LKML , Ingo Molnar , Thomas Gleixner , Andi Kleen Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 10, 2014 at 9:59 AM, Peter Zijlstra wrote: > On Wed, Sep 10, 2014 at 09:59:26AM +0200, Peter Zijlstra wrote: >> On Tue, Sep 09, 2014 at 05:49:08PM -0700, Andi Kleen wrote: >> > From: Andi Kleen >> > >> > The earlier commit 86a04461a made near all PEBS on >> > Sandy/IvyBridge/Haswell to reject non zero flags. >> >> What's magic about nehalem and westmere? > > And core2 and whatever else we support PEBS for, for that matter. nhm, wsm, core2 do not have precise distribution (PREC_DIST) umask to inst_Retired. But as I said before, PEBS events do not support any filters. cycles -> uops_retired:any_inv=1:cmask=1 being an exception.