Messages in this thread | | | Date | Tue, 25 Feb 2003 09:43:59 -0800 | From | William Lee Irwin III <> | Subject | Re: Minutes from Feb 21 LSE Call |
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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.
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