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8208186: SetHeapSamplingInterval handles 1 explicitly

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Explicitly test for the 0 case (sample everything)

Reviewed-by: amenkov, sspitsyn
This commit is contained in:
Jean Christophe Beyler 2018-09-05 10:17:11 -07:00
parent 5d1d4eb155
commit bd5f1aba05
1 changed files with 4 additions and 2 deletions
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6
src/hotspot/share/runtime/threadHeapSampler.cpp
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@ -104,8 +104,10 @@ void ThreadHeapSampler::pick_next_geometric_sample() {
}
void ThreadHeapSampler::pick_next_sample(size_t overflowed_bytes) {
if (get_sampling_interval() == 1) {
_bytes_until_sample = 1;
// Explicitly test if the sampling interval is 0, return 0 to sample every
// allocation.
if (get_sampling_interval() == 0) {
_bytes_until_sample = 0;
return;
}