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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59EC4C433FE for ; Wed, 12 Oct 2022 19:26:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229603AbiJLT0T (ORCPT ); Wed, 12 Oct 2022 15:26:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbiJLT0P (ORCPT ); Wed, 12 Oct 2022 15:26:15 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A339BFF24A for ; Wed, 12 Oct 2022 12:26:14 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1A5D3615AA for ; Wed, 12 Oct 2022 19:26:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4DE6C433C1; Wed, 12 Oct 2022 19:26:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1665602773; bh=iSRGfQJnsRYIVrHraP74VVurOvIrTvQynI5zhoB5rJ0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Hm1vrENpJsnlcYTiKC66wOkHIJHSwmlfPgHeG7DtKOFtqw5C9BiqAtAJxPXIp9gg3 Ba4XqLSH9CtzuxyUVOjtJ2oYlPIoEOmV40YqR791cLN3rVVlsZv7VWgmUNfyiIN16x hhzjVuuozK0UL/3VoTVH0S3tq4ca//By3wFw52XU= Date: Wed, 12 Oct 2022 12:26:11 -0700 From: Andrew Morton To: kernel test robot Cc: Jiebin Sun , , , , "Tim Chen" , Alexander Mikhalitsyn , Alexey Gladkov , Christoph Lameter , Davidlohr Bueso , "Dennis Zhou" , "Eric W . Biederman" , Manfred Spraul , Shakeel Butt , Tejun Heo , Vasily Averin , , , , Subject: Re: [ipc/msg] 72d1e61108: stress-ng.msg.ops_per_sec 262.8% improvement Message-Id: <20221012122611.3ab2deb4a00c92ef45be5872@linux-foundation.org> In-Reply-To: <202210121629.587ff60f-yujie.liu@intel.com> References: <202210121629.587ff60f-yujie.liu@intel.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 12 Oct 2022 16:30:20 +0800 kernel test robot wrote: > FYI, we noticed a 262.8% improvement of stress-ng.msg.ops_per_sec due to commit: > > commit: 72d1e611082eda18689106a0c192f2827072713c ("ipc/msg: mitigate the lock contention with percpu counter") Awesome, thanks!