Re: Minutes from Feb 21 LSE Call

William Lee Irwin III
2003-02-25T17:34:49Z

On Sat, Feb 22, 2003 at 07:24:24PM -0800, Andrew Morton wrote:
>> So whole stole the remaining 1.85 seconds? Looks like pte_highmem.

On Tue, Feb 25, 2003 at 06:17:27PM +0100, Andrea Arcangeli wrote:
> would you mind to add the line for 2.4.21-pre4aa3? it has pte-highmem so
> you can easily find it out for sure if it is pte_highmem that stole >10%
> of your fast cpu. A line for the 2.4-rmap patch would be also
> interesting.

On Sat, Feb 22, 2003 at 07:24:24PM -0800, Andrew Morton wrote:
>> Note one second spent in pte_alloc_one().

On Tue, Feb 25, 2003 at 06:17:27PM +0100, Andrea Arcangeli wrote:
> note the seconds spent in the rmap affected paths too.

The pagetable cache is gone in 2.5, so pte_alloc_one() takes the
bitblitting hit for pagetables.

I didn't catch the whole profile, so I'll need numbers for rmap paths.

-- wli