From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964957AbdACQVD (ORCPT ); Tue, 3 Jan 2017 11:21:03 -0500 Received: from mail.kernel.org ([198.145.29.136]:36510 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752594AbdACQUI (ORCPT ); Tue, 3 Jan 2017 11:20:08 -0500 Date: Tue, 3 Jan 2017 13:12:11 -0300 From: Arnaldo Carvalho de Melo To: David Ahern Cc: Jiri Olsa , Namhyung Kim , Peter Zijlstra , Wang Nan , lkml , Ingo Molnar Subject: Re: [PATCH 6/7] perf record: Add switch-output size option argument Message-ID: <20170103161211.GA6259@kernel.org> References: <1483431600-19887-1-git-send-email-jolsa@kernel.org> <1483431600-19887-7-git-send-email-jolsa@kernel.org> <24608e6a-d744-8124-26c0-33d73f690477@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24608e6a-d744-8124-26c0-33d73f690477@gmail.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Tue, Jan 03, 2017 at 08:33:35AM -0700, David Ahern escreveu: > On 1/3/17 1:19 AM, Jiri Olsa wrote: > > It's now possible to specify the threshold size for > > perf.data like: > > > > $ perf record --switch-output=2G ... > > > > Once it's reached, the current data are dumped in to the > > perf.data. file and session does on. > > How about something like max-file-size instead of switch-output? Well, I think he wants to use the "switch-output" semantic, which will go on "slicing" the output into multiple files according to the specified criteria, be it the existing signal one or a file size. "max-file-size" looks like a hard limit, no hint about producing multiple files. - Arnaldo