From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755766AbcBICNH (ORCPT ); Mon, 8 Feb 2016 21:13:07 -0500 Received: from mail-wm0-f42.google.com ([74.125.82.42]:37900 "EHLO mail-wm0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755351AbcBICNF (ORCPT ); Mon, 8 Feb 2016 21:13:05 -0500 Date: Tue, 9 Feb 2016 03:13:01 +0100 From: Frederic Weisbecker To: Rik van Riel Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@kernel.org, luto@amacapital.net, peterz@infradead.org, clark@redhat.com, eric.dumazet@gmail.com Subject: Re: [PATCH 0/4 v5] sched,time: reduce nohz_full syscall overhead 40% Message-ID: <20160209021259.GA21654@lerouge> References: <1454433586-3234-1-git-send-email-riel@redhat.com> <56B9038C.5050702@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56B9038C.5050702@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 08, 2016 at 04:07:24PM -0500, Rik van Riel wrote: > On 02/02/2016 12:19 PM, riel@redhat.com wrote: > > (v5: address comments by Frederic & Peter, fix bug found by Eric) > > > > Running with nohz_full introduces a fair amount of overhead. > > Specifically, various things that are usually done from the > > timer interrupt are now done at syscall, irq, and guest > > entry and exit times. > > It looks like nobody has objections to my v5 > series. > > Is there anything else I need to do before these > patches can get merged? Sorry for the delay, I'm going to review and respond to it tomorrow. > > Also, who is going to merge these patches into > their tree? > > Frederic? Thomas? Ingo? Eventually I think this should go through Peterz/Ingo as it's scheduler code. Thanks.