Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758635Ab3CYQOD (ORCPT ); Mon, 25 Mar 2013 12:14:03 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:19319 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758468Ab3CYQOB (ORCPT ); Mon, 25 Mar 2013 12:14:01 -0400 X-Authority-Analysis: v=2.0 cv=BZhaI8R2 c=1 sm=0 a=rXTBtCOcEpjy1lPqhTCpEQ==:17 a=mNMOxpOpBa8A:10 a=ZzSxI7jMevMA:10 a=5SG0PmZfjMsA:10 a=IkcTkHD0fZMA:10 a=meVymXHHAAAA:8 a=mVTtbqeYs4EA:10 a=8LN7v2X43pVAz9kI2xcA:9 a=QEXdDO2ut3YA:10 a=rXTBtCOcEpjy1lPqhTCpEQ==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 74.67.115.198 Message-ID: <1364228039.6345.183.camel@gandalf.local.home> Subject: Re: [RT LATENCY] 249 microsecond latency caused by slub's unfreeze_partials() code. From: Steven Rostedt To: Christoph Lameter Cc: LKML , RT , Thomas Gleixner , Clark Williams Date: Mon, 25 Mar 2013 12:13:59 -0400 In-Reply-To: <1364227073.6345.182.camel@gandalf.local.home> References: <1363906545.6345.81.camel@gandalf.local.home> <0000013d92c37ff3-5fb85400-bec1-4eda-8ba1-332566884c59-000000@email.amazonses.com> <1364010673.6345.156.camel@gandalf.local.home> <0000013da1f93be3-c3d42ae8-ff34-4c63-8094-77a83291ea19-000000@email.amazonses.com> <1364227073.6345.182.camel@gandalf.local.home> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4-2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 554 Lines: 23 On Mon, 2013-03-25 at 11:57 -0400, Steven Rostedt wrote: > > > > You can eliminate the whole thing by setting > > > > /sys/kernel/slab/ > > > to zero. > > Thanks! I'll give this a try. > BTW, what impact does setting all cpu_partial files to zero have on the system? -- Steve -- 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/