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8333088: ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero

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Reviewed-by: shade, rkennke
This commit is contained in:
Henry Lin 2024-07-22 17:29:12 +00:00 committed by Aleksey Shipilev
parent 31a85f1744
commit 34eea6a5fa
1 changed files with 1 additions and 1 deletions

2
src/hotspot/share/gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.cpp

@ -242,7 +242,7 @@ bool ShenandoahAdaptiveHeuristics::should_start_gc() {
double avg_cycle_time = _gc_time_history->davg() + (_margin_of_error_sd * _gc_time_history->dsd());
double avg_alloc_rate = _allocation_rate.upper_bound(_margin_of_error_sd);
if (avg_cycle_time > allocation_headroom / avg_alloc_rate) {
if (avg_cycle_time * avg_alloc_rate > allocation_headroom) {
log_info(gc)("Trigger: Average GC time (%.2f ms) is above the time for average allocation rate (%.0f %sB/s) to deplete free headroom (" SIZE_FORMAT "%s) (margin of error = %.2f)",
avg_cycle_time * 1000,
byte_size_in_proper_unit(avg_alloc_rate), proper_unit_for_byte_size(avg_alloc_rate),