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Re: per-cpu statistics (Re: CVS commit: src)
On Apr 11, 2008, at 10:47 AM, Jason Thorpe wrote:
On Apr 10, 2008, at 10:36 PM, Simon Burge wrote:
I'm happy with keeping the API too. Is the longer term plan to make
_all_ evcnts (kstats/counters/whatever) per-CPU? At collate at user
I think there will be two classes, at least:
- Strictly per-CPU (no collating ... for stuff like "cpu0 intr
- Global with per-CPU updates, collated at user access time
- Global with interlocked updates.
think about device intr counts which will be protected by a spin mutex.
those won't need per-cpu instances.
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