From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751959AbcFUUkp (ORCPT ); Tue, 21 Jun 2016 16:40:45 -0400 Received: from mx2.suse.de ([195.135.220.15]:34655 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751260AbcFUUkm (ORCPT ); Tue, 21 Jun 2016 16:40:42 -0400 Date: Tue, 21 Jun 2016 22:39:58 +0200 From: "Luis R. Rodriguez" To: Julia Lawall Cc: "Luis R. Rodriguez" , Gilles.Muller@lip6.fr, nicolas.palix@imag.fr, mmarek@suse.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, gregkh@linuxfoundation.org, markivx@codeaurora.org, stephen.boyd@linaro.org, zohar@linux.vnet.ibm.com, broonie@kernel.org, ming.lei@canonical.com, tiwai@suse.de, johannes@sipsolutions.net, chunkeey@googlemail.com, hauke@hauke-m.de, jwboyer@fedoraproject.org, dmitry.torokhov@gmail.com, dwmw2@infradead.org, jslaby@suse.com, torvalds@linux-foundation.org, deepa.kernel@gmail.com, cocci@systeme.lip6.fr Subject: Re: [PATCH v3 3/8] coccicheck: enable parmap support Message-ID: <20160621203958.GU25646@wotan.suse.de> References: <1466536893-23355-1-git-send-email-mcgrof@kernel.org> <1466536893-23355-4-git-send-email-mcgrof@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 21, 2016 at 10:17:38PM +0200, Julia Lawall wrote: > > > On Tue, 21 Jun 2016, Luis R. Rodriguez wrote: > > > Coccinelle has had parmap support since 1.0.2, this means > > it supports --jobs, enabling built-in multithreaded functionality, > > instead of needing one to script it out. Just look for --jobs > > in the help output to determine if this is supported. > > > > Also enable the load balancing to be dynamic, so that if a > > thread finishes early we keep feeding it. > > > > Note: now that we have all things handled for us, redirect stderr to > > stdout as well to capture any possible errors or warnings issued by > > coccinelle. > > > > If --jobs is not supported we fallback to the old mechanism. > > This also now accepts DEBUG_FILE= to specify where you want > > stderr to be redirected to, by default we redirect stderr to > > /dev/null. > > Why do you want to do something different for standard error in the parmap > and nonparmap case? We should just deprecate non-parmap later. Luis