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| author | Peter Zijlstra | 2009-09-04 17:26:26 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2009-09-04 17:38:15 +0200 |
| commit | 8a02631a470d6f2ccec7bcf79c1058b0d4240bce (patch) | |
| tree | e9dc528dff1db2d7165f315f9c05877265561444 /tools/perf/util/parse-events.c | |
| parent | perf stat: Use stddev_mean in stead of stddev (diff) | |
| download | kernel-qcow2-linux-8a02631a470d6f2ccec7bcf79c1058b0d4240bce.tar.gz kernel-qcow2-linux-8a02631a470d6f2ccec7bcf79c1058b0d4240bce.tar.xz kernel-qcow2-linux-8a02631a470d6f2ccec7bcf79c1058b0d4240bce.zip | |
perf stat: More advanced variance computation
Use the more advanced single pass variance algorithm outlined
on the wikipedia page. This is numerically more stable for
larger sample sets.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/parse-events.c')
0 files changed, 0 insertions, 0 deletions