Subject: Re: slowdown with MI scsi on pmax (ds5000/200)
To: Chuck Silvers <chuq@chuq.com>
From: Jason R Thorpe <thorpej@zembu.com>
List: tech-kern
Date: 05/21/2001 08:18:06
On Mon, May 21, 2001 at 12:59:23AM -0700, Chuck Silvers wrote:

 > another data point:  soda suggested I revert scsipi_base.c to rev 1.41,
 > which improved things somewhat.

We should add some evcnt counters to instrument how many e.g. QUEUE_FULL
conditions are being encountered.

 > 
 > version			time (seconds)
 > -------			--------------
 > 1.5-branch		173
 > -current w/1.41		213
 > -current		258
 > 
 > -Chuck

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>