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3 Commits

Author SHA1 Message Date
Daniel Leung 09e8db3d68 kernel: enable using timing subsys to collect paging histograms 
This adds bits to the paging timing histogram collection routines
so they can use timing functions to collect execution time data.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
 2021-04-06 16:43:55 -04:00
Daniel Leung 8eea5119d7 kernel: mmu: demand paging execution time histogram 
This adds the bits to record execution time of eviction selection,
and backing store page-in/page-out in histograms.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
 2021-04-06 16:43:55 -04:00
Daniel Leung ae86519819 kernel: mmu: collect more demand paging statistics 
This adds more bits to gather statistics on demand paging,
e.g. clean vs dirty pages evicted, # page faults with
IRQ locked/unlocked, etc.

Also extends this to gather per-thread demand paging
statistics.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
 2021-04-06 16:43:55 -04:00