Re: Wierd performance issue with 8.1cvs

On Wed, Apr 20, 2005 at 11:09:19AM -0700, Josh Berkus wrote:

> At OSDL we're seeing a wierd performance crash on 8.1cvs.   What's wierd about 
> it is that it doesn't happen all the time -- about 1 out of 4 test runs.    
> What it looks like happens sometimes is that performance drops dramatically 
> at the first checkpoint, and never comes back.  But there's oprofiles and 
> things to make a more insightful analysis:

What is the "wait" line in the Processor Utilization graphic?  Does it
have anything to do with spinlocks?  Was it so high in 8.0 tests?

-- 
Alvaro Herrera (<alvherre[@]dcc.uchile.cl>)
Jude: I wish humans laid eggs
Ringlord: Why would you want humans to lay eggs?
Jude: So I can eat them