From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx127.postini.com [74.125.245.127]) by kanga.kvack.org (Postfix) with SMTP id 74C726B0002 for ; Mon, 18 Mar 2013 02:49:27 -0400 (EDT) Received: by mail-qe0-f54.google.com with SMTP id i11so3127630qej.13 for ; Sun, 17 Mar 2013 23:49:26 -0700 (PDT) Message-ID: <5146B8F0.4090106@gmail.com> Date: Mon, 18 Mar 2013 14:49:20 +0800 From: Simon Jeons MIME-Version: 1.0 Subject: Re: [patch 1/4 v3]swap: change block allocation algorithm for SSD References: <20130221021710.GA32580@kernel.org> <20130318050918.GB7016@kernel.org> <5146A31A.5090705@gmail.com> <20130318064057.GA7903@kernel.org> In-Reply-To: <20130318064057.GA7903@kernel.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Shaohua Li Cc: linux-mm@kvack.org, hughd@google.com, riel@redhat.com, minchan@kernel.org, kmpark@infradead.org, akpm@linux-foundation.org On 03/18/2013 02:40 PM, Shaohua Li wrote: > On Mon, Mar 18, 2013 at 01:16:10PM +0800, Simon Jeons wrote: >> On 03/18/2013 01:09 PM, Shaohua Li wrote: >>> Ping! are there any comments for this series? >> Could you show me your benchmark and testcase? > I use usemem from ext3-tools. It's a simple multi-thread/process mmap() test. Thanks, I know this tool. "scan_swap_map() sometimes uses up to 20~30% CPU time(when cluster is hard to find, the CPU time can be up to 80%)", how you monitor cpu utilization? how can predicate cpu utilization which specific function use? -- 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