From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx147.postini.com [74.125.245.147]) by kanga.kvack.org (Postfix) with SMTP id 2911C6B0032 for ; Fri, 19 Jul 2013 11:20:29 -0400 (EDT) Message-ID: <51E95932.5030902@sr71.net> Date: Fri, 19 Jul 2013 08:20:18 -0700 From: Dave Hansen MIME-Version: 1.0 Subject: Re: [RESEND][PATCH] mm: vmstats: tlb flush counters References: <20130716234438.C792C316@viggo.jf.intel.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Raghavendra KT Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org, Raghavendra KT On 07/19/2013 04:38 AM, Raghavendra KT wrote: > While measuring non - PLE performance, one of the bottleneck, I am seeing is > flush tlbs. > perf had helped in alaysing a bit there, but this patch would help > in precise calculation. It will aslo help in tuning the PLE window > experiments (larger PLE window > would affect remote flush TLBs) Interesting. What workload is that? I've been having problems finding workloads that are too consumed with TLB flushes. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760735Ab3GSPUa (ORCPT ); Fri, 19 Jul 2013 11:20:30 -0400 Received: from www.sr71.net ([198.145.64.142]:42657 "EHLO blackbird.sr71.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760253Ab3GSPU3 (ORCPT ); Fri, 19 Jul 2013 11:20:29 -0400 Message-ID: <51E95932.5030902@sr71.net> Date: Fri, 19 Jul 2013 08:20:18 -0700 From: Dave Hansen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 MIME-Version: 1.0 To: Raghavendra KT CC: linux-kernel@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org, Raghavendra KT Subject: Re: [RESEND][PATCH] mm: vmstats: tlb flush counters References: <20130716234438.C792C316@viggo.jf.intel.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/19/2013 04:38 AM, Raghavendra KT wrote: > While measuring non - PLE performance, one of the bottleneck, I am seeing is > flush tlbs. > perf had helped in alaysing a bit there, but this patch would help > in precise calculation. It will aslo help in tuning the PLE window > experiments (larger PLE window > would affect remote flush TLBs) Interesting. What workload is that? I've been having problems finding workloads that are too consumed with TLB flushes.