From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <40368E00.3000505@cyberone.com.au> Date: Sat, 21 Feb 2004 09:45:20 +1100 From: Nick Piggin MIME-Version: 1.0 Subject: Re: LTP VM test slower under 2.6.3 than 2.4.20 References: <40363778.20900@movaris.com> In-Reply-To: <40363778.20900@movaris.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Kirk True Cc: kernelnewbies , Linux-MM@kvack.org List-ID: Kirk True wrote: > Hi all, > > Executing the LTP "mem01" VM test shows a huge time discrepancy > between 2.4.20 and 2.6.3. Under 2.4.20 the total time is around 5 > seconds, while under 2.6.3 the system seems to hang for nearly a minute. > > Where in particular should I start to look to see if it's a > configuration/environment issue or a real problem? What other > information would be helpful to know? > 2.6 must start writeout, does it? Can you post vmstat 1 logs for each kernel? -- 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: aart@kvack.org