From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753274AbaILCay (ORCPT ); Thu, 11 Sep 2014 22:30:54 -0400 Received: from mail-la0-f53.google.com ([209.85.215.53]:51034 "EHLO mail-la0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751616AbaILCax (ORCPT ); Thu, 11 Sep 2014 22:30:53 -0400 Message-ID: <1410489049.5186.19.camel@marge.simpson.net> Subject: Re: perf top -g -U --sort=symbol --children == lalalalala? From: Mike Galbraith To: Arnaldo Carvalho de Melo Cc: Namhyung Kim , LKML Date: Fri, 12 Sep 2014 04:30:49 +0200 In-Reply-To: <20140911213027.GB1801@kernel.org> References: <1410263641.15383.8.camel@marge.simpson.net> <20140909133737.GK2773@kernel.org> <1410439392.20184.17.camel@marge.simpson.net> <20140911134338.GE10158@kernel.org> <20140911213027.GB1801@kernel.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2014-09-11 at 18:30 -0300, Arnaldo Carvalho de Melo wrote: > Also, looking at the changelog entries and at tools/perf/Documentation/ > the only description for --children, the default, is: > > ---------------- > --children:: > Accumulate callchain of children to parent entry so that then can > show up in the output. The output will have a new "Children" column > and will be sorted on the data. It requires callchains are recorded. > ---------------- grep of course found that, and git log found more, but nothing told me what the heck it's sweeping up that's so darn plentiful in my box that there's more than 100% of it laying about :) > I think that a longer/clearer entry in the 'perf record' man page is > required. > > Perhaps the description got lost in a --cover-letter for the patch > series implementing it? If it ever existed, I can't find it. A little blurb would be helpful. -Mike