Messages in this thread |  | | Date | Fri, 30 Nov 2001 17:39:39 +0100 (CET) | From | Mike Galbraith <> | Subject | Re: 2.4.17pre1aa1 |
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On Thu, 29 Nov 2001, Andrew Morton wrote:
> Andrea Arcangeli wrote: > > > > Only in 2.4.15aa1: 10_vm-17 > > Only in 2.4.17pre1aa1: 10_vm-18 > > > > Minor vm tweaks in function of the feedback received. > > Included Andrews' dirty += BUF_LOCKED. > > > > OK. One think I notice is that you've also decreased nfract,nfract_sync > from (40%,60%) to (20%,40%). So taken together, these changes mean > that we'll start writeout much earlier, and will block writers much > earlier. What's the thinking here? > > I received some interesting results from Mike Galbraith today.
2.4.17-pre1aa1 real 7m39.066s user 6m38.400s sys 0m29.140s
user : 0:06:44.82 76.1% page in : 536247 nice : 0:00:00.00 0.0% page out: 466800 system: 0:00:45.45 8.5% swap in : 106783 idle : 0:01:21.89 15.4% swap out: 111683
__alloc_pages: 0-order allocation failed (gfp=0xf0/0) (only the one)
IO contrast...
2.5.1-pre1 real 7m54.873s user 6m41.070s sys 0m30.170s
user : 0:06:47.35 72.6% page in : 661891 nice : 0:00:00.00 0.0% page out: 708836 system: 0:00:47.42 8.5% swap in : 140234 idle : 0:01:46.26 18.9% swap out: 172775
-Mike
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