Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755477Ab2BWRKu (ORCPT ); Thu, 23 Feb 2012 12:10:50 -0500 Received: from mail-tul01m020-f174.google.com ([209.85.214.174]:55503 "EHLO mail-tul01m020-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753665Ab2BWRKt convert rfc822-to-8bit (ORCPT ); Thu, 23 Feb 2012 12:10:49 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of penberg@gmail.com designates 10.182.38.3 as permitted sender) smtp.mail=penberg@gmail.com; dkim=pass header.i=penberg@gmail.com MIME-Version: 1.0 In-Reply-To: <20120223165302.GG25177@infradead.org> References: <1330013922-3332-1-git-send-email-penberg@kernel.org> <20120223162850.GC25177@infradead.org> <20120223163938.GD25177@infradead.org> <1330015504.13624.84.camel@jaguar> <20120223164739.GF25177@infradead.org> <20120223165302.GG25177@infradead.org> Date: Thu, 23 Feb 2012 19:10:48 +0200 X-Google-Sender-Auth: snzJ8GazGzRX6JjoCj8s1IAYCFc Message-ID: Subject: Re: [PATCH] perf report: Add a simple GTK2-based 'perf report' browser From: Pekka Enberg To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Paul Mackerras , Ingo Molnar Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1899 Lines: 50 On Thu, Feb 23, 2012 at 6:53 PM, Arnaldo Carvalho de Melo wrote: > Em Thu, Feb 23, 2012 at 02:47:39PM -0200, Arnaldo Carvalho de Melo escreveu: >> Em Thu, Feb 23, 2012 at 06:45:04PM +0200, Pekka Enberg escreveu: >> > On Thu, 2012-02-23 at 14:39 -0200, Arnaldo Carvalho de Melo wrote: >> > > > Dunno, probably. Does that matter, though? It's pretty damn fast as-is. >> > > >> > > Well, what kinds of perf.data file are you feeding it? >> > >> > It's a real-world case where I'm profiling JRuby startup under Jato with >> > perf: >> > >> > penberg@jaguar:~/src/jato$ ls -lh perf.data >> > -rw------- 1 penberg penberg 453K 2012-02-23 18:06 perf.data >> > >> > On Thu, 2012-02-23 at 14:39 -0200, Arnaldo Carvalho de Melo wrote: >> > > I'm testing it now with large ones, lets see. >> > >> > How big files are we talking about here? >> >> 5 MB ones, say. > > Nah: > > [root@felicio linux]# perf record -a -F 10000 sleep 5m > [ perf record: Woken up 166 times to write data ] > [ perf record: Captured and wrote 42.104 MB perf.data (~1839573 samples) > ] > [root@felicio linux]# > [root@felicio linux]# > [root@felicio linux]# perf report --gtk > > ?PID USER ? ? ?PR ?NI ?VIRT ?RES ?SHR S %CPU %MEM ? ?TIME+ ?COMMAND > 10618 root ? ? ?20 ? 0 ?408m 170m ?49m S ?0.0 ?2.2 ? 0:04.71 perf > > [root@felicio linux]# perf report --tui > > 10633 root ? ? ?20 ? 0 ?379m 165m ?45m S ?0.0 ?2.1 ? 0:01.15 perf Sorry, I don't understand how to interpret your numbers. I used the same "perf record" command here which generated a 26 MB perf.data file. "perf report --gtk" starts up almost instantly here. Pekka -- 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/