On Thu, Sep 19, 2002 at 02:27:22PM -0500, Bond, Andrew wrote:
> This isn't as recent as I would like, but it will give you an idea.
> Top 75 from readprofile. This run was not using bigpages though.
> Andy
> 00000000 total 7872 0.0066
> c0105400 default_idle 1367 21.3594
> c012ea20 find_vma_prev 462 2.2212
> c0142840 create_bounce 378 1.1250
> c0142540 bounce_end_io_read 332 0.9881
> c0197740 __make_request 256 0.1290
> c012af20 zap_page_range 231 0.1739
> c012e9a0 find_vma 214 1.6719
> c012e780 avl_rebalance 160 0.4762
Looks like you're doing a lot of mmapping or faulting requiring VMA
lookups, or the number of VMA's associated with a task makes the
various VMA manipulations extremely expensive.
Can you dump /proc/pid/maps on some of these processes?
Thanks,
Bill
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This archive was generated by hypermail 2b29 : Mon Sep 23 2002 - 22:00:31 EST