From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756691Ab0ENPH2 (ORCPT ); Fri, 14 May 2010 11:07:28 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:59727 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756517Ab0ENPH1 (ORCPT ); Fri, 14 May 2010 11:07:27 -0400 Subject: Re: [RFC] perf_events: ctx_flexible_sched_in() not maximizing PMU utilization From: Peter Zijlstra To: Stephane Eranian Cc: Frederic Weisbecker , LKML , mingo@elte.hu, Paul Mackerras , "David S. Miller" In-Reply-To: <1273848908.1626.315.camel@laptop> References: <1273155640.5605.300.camel@twins> <20100506171141.GA5562@nowhere> <1273167024.1642.256.camel@laptop> <1273220736.1642.318.camel@laptop> <1273226796.1642.333.camel@laptop> <1273230948.1642.351.camel@laptop> <1273848908.1626.315.camel@laptop> Content-Type: text/plain; charset="UTF-8" Date: Fri, 14 May 2010 17:07:23 +0200 Message-ID: <1273849643.1626.316.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2010-05-14 at 16:55 +0200, Peter Zijlstra wrote: > and selects between > the two based on lag -- I'm not quite sure that that works out as > expected though, still have to do the actual math. Having had a bit of a think it doesn't sound right. I'll have to come up with something else instead.