tree 10249b655b074635bf2c46f25af0c54c894606c3
parent 8a02631a470d6f2ccec7bcf79c1058b0d4240bce
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1252081418 +0200
committer Ingo Molnar <mingo@elte.hu> 1252088846 +0200

perf stat: Clean up statistics calculations a bit more

Remove some, now useless, global storage.
Don't calculate the stddev when not needed.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>