Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756608AbZKJOnG (ORCPT ); Tue, 10 Nov 2009 09:43:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756596AbZKJOnF (ORCPT ); Tue, 10 Nov 2009 09:43:05 -0500 Received: from ns.dcl.info.waseda.ac.jp ([133.9.216.194]:63392 "EHLO ns.dcl.info.waseda.ac.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756594AbZKJOnF (ORCPT ); Tue, 10 Nov 2009 09:43:05 -0500 Date: Tue, 10 Nov 2009 23:43:06 +0900 (JST) Message-Id: <20091110.234306.265850902.mitake@dcl.info.waseda.ac.jp> To: mingo@elte.hu Cc: linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, paulus@samba.org, fweisbec@gmail.com Subject: Re: [PATCH 0/3] perf bench: Clean and add document for perf-bench From: Hitoshi Mitake In-Reply-To: <20091110131738.GA31158@elte.hu> References: <1257853855-28934-1-git-send-email-mitake@dcl.info.waseda.ac.jp> <20091110131738.GA31158@elte.hu> X-Mailer: Mew version 5.2 on Emacs 22.2 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1379 Lines: 45 From: Ingo Molnar Subject: Re: [PATCH 0/3] perf bench: Clean and add document for perf-bench Date: Tue, 10 Nov 2009 14:17:38 +0100 > Applied, thanks! > > Btw., a small detail i noticed when running the pipe benchmark: > > earth4:~/tip/tools/perf> ./perf bench sched pipe > (executing 1000000 pipe operations between two tasks) > > Total time:5.076 sec > 5.076232 usecs/op > 196996 ops/sec > > when i typed 'perf bench sched pipe' nothing happened for several > seconds. The command did not finish and no output was printed. > > This might surprise users - it's always good to print a single line that > we are processing a benchmark. Maybe this could be printed from the > generic subcommand, something like: > > running sched/pipe benchmark ... > > What do you think? Yeah, I have to admit that. Current style, keeping user wait and print everything suddenly after finish, is not good. I'll fix it. And I also want to fix > Total time:5.076 sec > 5.076232 usecs/op > 196996 ops/sec this style. This is too bad. So I'll imitate style of perf-stat for making this format better. Hitoshi -- 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/