Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752394Ab2HMPgf (ORCPT ); Mon, 13 Aug 2012 11:36:35 -0400 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:36300 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751718Ab2HMPgd (ORCPT ); Mon, 13 Aug 2012 11:36:33 -0400 MIME-Version: 1.0 In-Reply-To: <1344871976.31459.35.camel@twins> References: <50235ED0.5010107@intel.com> <1344535707.20277.20.camel@twins> <1344853682.31459.20.camel@twins> <1344871976.31459.35.camel@twins> Date: Mon, 13 Aug 2012 17:36:31 +0200 Message-ID: Subject: Re: [BUG] perf: sharing of cpuctx between core and ibs PMU causes problems From: Stephane Eranian To: Peter Zijlstra Cc: "Yan, Zheng" , LKML , Robert Richter , mingo@elte.hu Content-Type: text/plain; charset=UTF-8 X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 918 Lines: 23 On Mon, Aug 13, 2012 at 5:32 PM, Peter Zijlstra wrote: > On Mon, 2012-08-13 at 14:53 +0200, Stephane Eranian wrote: >> >> Your proposal solves the problem, though it is not that pretty because >> you're exposing >> IBS stuff in sched.h aside for the 2 new iterations. But I don't see >> another way around >> this at this point. > > Yeah, I don't particularly like it either.. but I'm having a similar > problem of not seeing anything better. > > I was going to see if I could make the two IBS PMUs share something, but > that's going to be pain whichever way you turn it. Let's use your patch then. Acked-by: Stephane Eranian -- 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/