Merge pull request #1328 from vjpai/clamp

Clamp histogram at 1.0 on low end to handle rare possibility of sub-1 entry (likely only for testing)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/support/histogram.c b/src/core/support/histogram.c
index ed344b43e8..673affde71 100644
--- a/src/core/support/histogram.c
+++ b/src/core/support/histogram.c
@@ -76,7 +76,7 @@ static size_t bucket_for_unchecked(gpr_histogram *h, double x) {
 
 /* bounds checked version of the above */
 static size_t bucket_for(gpr_histogram *h, double x) {
-  size_t bucket = bucket_for_unchecked(h, GPR_CLAMP(x, 0, h->max_possible));
+  size_t bucket = bucket_for_unchecked(h, GPR_CLAMP(x, 1.0, h->max_possible));
   GPR_ASSERT(bucket < h->num_buckets);
   return bucket;
 }