From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC1B7CA9ED3 for ; Tue, 5 Nov 2019 00:48:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9768220717 for ; Tue, 5 Nov 2019 00:48:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730116AbfKEAsz (ORCPT ); Mon, 4 Nov 2019 19:48:55 -0500 Received: from mga12.intel.com ([192.55.52.136]:18172 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729443AbfKEAsz (ORCPT ); Mon, 4 Nov 2019 19:48:55 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Nov 2019 16:48:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,268,1569308400"; d="scan'208";a="205349175" Received: from tassilo.jf.intel.com (HELO tassilo.localdomain) ([10.7.201.21]) by orsmga006.jf.intel.com with ESMTP; 04 Nov 2019 16:48:54 -0800 Received: by tassilo.localdomain (Postfix, from userid 1000) id 75043300884; Mon, 4 Nov 2019 16:48:54 -0800 (PST) Date: Mon, 4 Nov 2019 16:48:54 -0800 From: Andi Kleen To: Jiri Olsa Cc: Arnaldo Carvalho de Melo , lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Michael Petlan Subject: Re: [PATCH] perf tools: Fix time sorting Message-ID: <20191105004854.GA25308@tassilo.jf.intel.com> References: <20191104232711.16055-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191104232711.16055-1-jolsa@kernel.org> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 05, 2019 at 12:27:11AM +0100, Jiri Olsa wrote: > The final sort might get confused when the comparison > is done over bigger numbers than int like for -s time. > > Check following report for longer workloads: > $ perf report -s time -F time,overhead --stdio > > Fixing hist_entry__sort to properly return int64_t and > not possible cut int. > > Cc: Andi Kleen > Link: http://lkml.kernel.org/n/tip-uetl5z1eszpubzqykvdftaq6@git.kernel.org > Signed-off-by: Jiri Olsa Looks good. Reviewed-by: Andi Kleen -Andi