diff options
| author |   Sage Weil <sage@inktank.com> | 2013-08-15 11:11:45 -0700 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-08-15 11:11:45 -0700 |
| commit | ee3e542fec6e69bc9fb668698889a37d93950ddf (patch) | |
| tree | e74ee766a4764769ef1d3d45d266b4dea64101d3 /tools/perf/util/stat.c | |
| parent | ceph: Remove bogus check in invalidatepage (diff) | |
| parent | Merge branch 'akpm' (patches from Andrew Morton) (diff) | |
| download | wireguard-linux-ee3e542fec6e69bc9fb668698889a37d93950ddf.tar.xz wireguard-linux-ee3e542fec6e69bc9fb668698889a37d93950ddf.zip | |
Merge remote-tracking branch 'linus/master' into testing
Diffstat (limited to 'tools/perf/util/stat.c')
| -rw-r--r-- | tools/perf/util/stat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 23742126f47c..7c59c28afcc5 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -37,7 +37,7 @@ double stddev_stats(struct stats *stats) { double variance, variance_mean; - if (!stats->n) + if (stats->n < 2) return 0.0; variance = stats->M2 / (stats->n - 1); |