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=-11.4 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 B7315C4346E for ; Sun, 27 Sep 2020 20:55:36 +0000 (UTC) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0815C21775 for ; Sun, 27 Sep 2020 20:55:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0815C21775 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=inria.fr Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=cocci-bounces@systeme.lip6.fr Received: from systeme.lip6.fr (systeme.lip6.fr [132.227.104.7]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id 08RKtJ2O009094; Sun, 27 Sep 2020 22:55:19 +0200 (CEST) Received: from systeme.lip6.fr (systeme.lip6.fr [127.0.0.1]) by systeme.lip6.fr (Postfix) with ESMTP id ACBB65F8F; Sun, 27 Sep 2020 22:55:19 +0200 (CEST) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by systeme.lip6.fr (Postfix) with ESMTPS id 9F9ED4316 for ; Sun, 27 Sep 2020 22:55:18 +0200 (CEST) Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id 08RKtIV7021580 for ; Sun, 27 Sep 2020 22:55:18 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.77,311,1596492000"; d="scan'208";a="469746005" Received: from abo-173-121-68.mrs.modulonet.fr (HELO hadrien) ([85.68.121.173]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Sep 2020 22:55:17 +0200 Date: Sun, 27 Sep 2020 22:55:17 +0200 (CEST) From: Julia Lawall X-X-Sender: jll@hadrien To: Sumera Priyadarsini In-Reply-To: <3ecfe0e7f95021525b7bbf783a45eb3a176791a9.1600945451.git.sylphrenadin@gmail.com> Message-ID: References: <3ecfe0e7f95021525b7bbf783a45eb3a176791a9.1600945451.git.sylphrenadin@gmail.com> User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, Sender e-mail whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Sun, 27 Sep 2020 22:55:20 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Sun, 27 Sep 2020 22:55:18 +0200 (CEST) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 Cc: corbet@lwn.net, michal.lkml@markovi.net, Gilles.Muller@lip6.fr, linux-doc@vger.kernel.org, nicolas.palix@imag.fr, linux-kernel@vger.kernel.org, cocci@systeme.lip6.fr Subject: Re: [Cocci] [PATCH 2/2] Documentation: Coccinelle: Modify parallelisation information in docs X-BeenThere: cocci@systeme.lip6.fr X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: cocci-bounces@systeme.lip6.fr Errors-To: cocci-bounces@systeme.lip6.fr On Thu, 24 Sep 2020, Sumera Priyadarsini wrote: > This patchset modifies coccicheck to use at most one thread per core by > default for optimal performance. Modify documentation in coccinelle.rst > to reflect the same. It would be good for the documentation to mention that this only occurs if the machine has more than two cores (and more than 4 hardware threads). julia > > Signed-off-by: Sumera Priyadarsini > --- > Documentation/dev-tools/coccinelle.rst | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/dev-tools/coccinelle.rst b/Documentation/dev-tools/coccinelle.rst > index 74c5e6aeeff5..a27a4867018c 100644 > --- a/Documentation/dev-tools/coccinelle.rst > +++ b/Documentation/dev-tools/coccinelle.rst > @@ -130,8 +130,8 @@ To enable verbose messages set the V= variable, for example:: > Coccinelle parallelization > -------------------------- > > -By default, coccicheck tries to run as parallel as possible. To change > -the parallelism, set the J= variable. For example, to run across 4 CPUs:: > +By default, coccicheck uses at most only one thread per core of the system. > +To change the parallelism, set the J= variable. For example, to run across 4 CPUs:: > > make coccicheck MODE=report J=4 > > -- > 2.25.1 > > _______________________________________________ > Cocci mailing list > Cocci@systeme.lip6.fr > https://systeme.lip6.fr/mailman/listinfo/cocci > _______________________________________________ Cocci mailing list Cocci@systeme.lip6.fr https://systeme.lip6.fr/mailman/listinfo/cocci