Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754450Ab0KPQcV (ORCPT ); Tue, 16 Nov 2010 11:32:21 -0500 Received: from smtp-out.google.com ([216.239.44.51]:14883 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752980Ab0KPQcU convert rfc822-to-8bit (ORCPT ); Tue, 16 Nov 2010 11:32:20 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=D+AFIEi8xjI+FniMQtVJ3v2qFXZoOZ+zI6rz8E/OLY4lTT2iCmuNsx3CQljp6duu+3 onle3CGljax9GAQVvNCA== MIME-Version: 1.0 In-Reply-To: <1289921196.5169.176.camel@maggy.simson.net> References: <1289900042.27424.253.camel@debian> <1289921196.5169.176.camel@maggy.simson.net> From: Nikhil Rao Date: Tue, 16 Nov 2010 08:31:57 -0800 Message-ID: Subject: Re: [performance bug] volanomark regression on 37-rc1 To: Mike Galbraith Cc: Rakib Mullick , "Alex,Shi" , a.p.zijlstra@chello.nl, mingo@elte.hu, linux-kernel@vger.kernel.org, "Chen, Tim C" , zheng.z.yan@intel.com 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: 1129 Lines: 26 On Tue, Nov 16, 2010 at 7:26 AM, Mike Galbraith wrote: > On Tue, 2010-11-16 at 20:38 +0600, Rakib Mullick wrote: > >> Does VolanoMark is used for scheduler benchmarking? If I'm not wrong, >> I don't think it directly relates to scheduler benchmarking. > > It's not generally considered to be a wonderful benchmark, but it is a > good indicator, and worth keeping an eye on IMHO. > > I don't recall whether that patch works with the idle testcase without > resetting the throttle, or if it's only a bit less effective.  If it's > only a little less effective, I'd be inclined to just whack the reset as > Alex did.  Whatever is done has to prevent high frequency balancing. > >From what I recall, I think removing the reset makes the original patch a little less effective. I agree that we can remove the reset if it hurts high frequency balancing. -Thanks, Nikhil -- 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/