Subject: Re: user profiling improvements
To: Ethan Solomita <ethan@geocast.com>
From: Jason R Thorpe <thorpej@zembu.com>
List: tech-kern
Date: 08/11/2000 13:49:01
On Fri, Aug 11, 2000 at 01:44:50PM -0700, Ethan Solomita wrote:

 > 	I'll start off by admitting to not knowing what cycle counters vs.
 > sampling means. While I'm not going to reject something I don't
 > understand, I've got plenty of other things that I'm working on, so when
 > you say "reimplement" I get nervous. 8-)

Cycle counters are CPU things that the OS can query ... like you can
call alpha_rpcc() to determine the current cycle-count, and then after
a sleep, call alpha_rpcc() to see how many cycles have elapsed since
you last called alpha_rpcc() :-)

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