perf stat: Clean up statistics calculations a bit more
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 4 Sep 2009 16:23:38 +0000 (18:23 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 4 Sep 2009 18:27:26 +0000 (20:27 +0200)
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>

No differences found