Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752727AbaBFOJ5 (ORCPT ); Thu, 6 Feb 2014 09:09:57 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40860 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752450AbaBFOJ4 (ORCPT ); Thu, 6 Feb 2014 09:09:56 -0500 Date: Thu, 6 Feb 2014 12:09:36 -0200 From: Arnaldo Carvalho de Melo To: Stephane Eranian Cc: LKML , Peter Zijlstra , "mingo@elte.hu" , Jiri Olsa , Eric Dumazet Subject: Re: [BUG] perf top: --stdio causes continuous refresh Message-ID: <20140206140936.GC26955@infradead.org> References: <20140206135627.GA26955@infradead.org> <20140206140705.GB26955@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140206140705.GB26955@infradead.org> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Thu, Feb 06, 2014 at 12:07:05PM -0200, Arnaldo Carvalho de Melo escreveu: > Em Thu, Feb 06, 2014 at 02:58:01PM +0100, Stephane Eranian escreveu: > > On Thu, Feb 6, 2014 at 2:56 PM, Arnaldo Carvalho de Melo > > wrote: > > > Em Wed, Feb 05, 2014 at 10:25:09PM +0100, Stephane Eranian escreveu: > > >> If you run perf top on 3.14 but you force --stdio mode, perf top > > >> goes crazy and constantly refreshes the output. > > > >> It does that with many older versions of the perf as well on 3.14. > > >> It runs fine with newt mode. > > > >> Works fine with my 3.11 kernel. So something must be broken > > >> with 3.14. > > > >> Can you reproduce the problem as well? > > > > Not so far, using my perf/urgent branch: > > > I am using tip.git. Or try 3.11, 3.10. But my tests are on top of: [acme@ssdandy linux]$ uname -r 3.11.4-101.fc18.x86_64 I thought it was a 3.14ish one, building one to try there... - Arnaldo -- 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/