Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753595Ab2BSL0z (ORCPT ); Sun, 19 Feb 2012 06:26:55 -0500 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:56290 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753147Ab2BSL0y convert rfc822-to-8bit (ORCPT ); Sun, 19 Feb 2012 06:26:54 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of eranian@google.com designates 10.152.115.69 as permitted sender) smtp.mail=eranian@google.com; dkim=pass header.i=eranian@google.com MIME-Version: 1.0 In-Reply-To: <20120215023705.GA13042@us.ibm.com> References: <20120126160319.GA5655@quad> <20120208223250.282861cb@kryten> <20120210031930.GA28023@us.ibm.com> <1328854519.3019.3.camel@pasglop> <20120215023705.GA13042@us.ibm.com> Date: Sun, 19 Feb 2012 12:26:52 +0100 Message-ID: Subject: Re: [PATCH] perf_events: fix broken intr throttling (v3) From: Stephane Eranian To: Sukadev Bhattiprolu Cc: Benjamin Herrenschmidt , Anton Blanchard , linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@elte.hu, gleb@redhat.com, wcohen@redhat.com, vince@deater.net, asharma@fb.com, andi@firstfloor.org, paulus@samba.org, emunson@mgebm.net, imunsie@au1.ibm.com, Matt Helsley Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1891 Lines: 49 Did Anton recent fix solve that problem? On Wed, Feb 15, 2012 at 3:37 AM, Sukadev Bhattiprolu wrote: > Benjamin Herrenschmidt [benh@kernel.crashing.org] wrote: > | On Thu, 2012-02-09 at 19:19 -0800, Sukadev Bhattiprolu wrote: > | > Stephane Eranian [eranian@google.com] wrote: > | > | On Wed, Feb 8, 2012 at 12:32 PM, Anton Blanchard wrote: > | > | > > | > | > Hi, > | > | > > | > | > On Thu, 26 Jan 2012 17:03:19 +0100 > | The powerpc .git tree is not useful at this point, I haven't opened > | powerpc -next yet so it's just all old stale stuff. Please work with > | upstream always unless you have a very good reason to use my tree. It's > | really only meant as a conduit between me and Linus or for -next. > > Ok. > > I tried this on current mainline (commit 13d261932) which now includes both > of Stephane's patches and repeated the nooploop test. > > The problem still exists - the number of events reported on Power is far > fewer than without the patches. > > Aggregated stats: >           TOTAL events:         78 >            MMAP events:         47 >            COMM events:          2 >            EXIT events:          2 >          SAMPLE events:         27 > cycles stats: >           TOTAL events:         21 >            MMAP events:          4 >            COMM events:          1 >            EXIT events:          2 >          SAMPLE events:         14 > cycles stats: >           TOTAL events:         13 >          SAMPLE events:         13 > > Sukadev > -- 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/