Messages in this thread | | | Date | Sat, 20 Feb 2010 07:02:23 +1000 | Subject | Re: [Regression] Filesystem I/O is CPU-bound in rc7 and rc8 | From | Dave Airlie <> |
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On Thu, Feb 18, 2010 at 6:04 AM, James Cloos <cloos@jhcloos.com> wrote: > While getting re-aquainted with perf, and after upgrading to the current > version, I see that do_page_fault, unmap_vmas, get_page_from_freelist, > handle_mm_fault, __do_fault and T.1339 tend to get the most time when the > kernel is spinning.
dmesg? lspci -vv?
We have an AGP related issue with WC/UC paging that might be related, but I'd need more info.
Dave.
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