Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753013AbaBEXNB (ORCPT ); Wed, 5 Feb 2014 18:13:01 -0500 Received: from mail-oa0-f52.google.com ([209.85.219.52]:35554 "EHLO mail-oa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750941AbaBEXNA (ORCPT ); Wed, 5 Feb 2014 18:13:00 -0500 MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 6 Feb 2014 00:12:59 +0100 Message-ID: Subject: Re: [BUG] perf top: --stdio causes continuous refresh From: Stephane Eranian To: LKML Cc: Peter Zijlstra , "mingo@elte.hu" , Arnaldo Carvalho de Melo , Jiri Olsa , Eric Dumazet Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 5, 2014 at 10:25 PM, Stephane Eranian wrote: > Hi, > > 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. > Or more likely, there is something broken in perf which gets exposed by 3.14. -- 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/