[Xen-devel] [PATCH] xenpm tool: add average C state residency output

["Yu, Ke" <ke.yu@xxxxxxxxx>]

Average C state residency is useful indicator of C state efficiency, this patch 
add the this in xenpm. The output is like this:

[root@kyu3-mv ~]# xenpm start
Start sampling, waiting for CTRL-C or SIGINT signal ...
Elapsed time (ms): 5758

CPU0:   Residency(ms)           Avg Res(ms)
  C0    41      ( 0.71%)        0.04
  C1    0       ( 0.00%)        0.00
  C2    24      ( 0.43%)        0.83
  C3    5692    (98.85%)        5.44

  P0    18      (100.00%)
  P1    0       ( 0.00%)
  P2    0       ( 0.00%)
  P3    0       ( 0.00%)

Best Regards
Ke

Attachment: xenpm-average-c-res.patch
Description: xenpm-average-c-res.patch

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