Re: unusual scheduling performance

[William Lee Irwin III]

On Mon, Nov 18, 2002 at 09:53:24AM -0800, Dave Hansen wrote:
> I'm seeing the same thing.  In my pagecache warmup test, I do 20 greps 
> to pull in a 10-gig fileset.  Each grep works on 1/20th of the files.
[...]
> So, schedule() is being called a _lot_ more.  But, for some reason, 
> the slower one wasn't caught doing __copy_to_user() as much.
> Bill, does this look like what you're seeing?

No, I'm seeing strange load balancing behavior. But you seem to have
tripped over a somewhat more severe anomaly.

Bill