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8345220: Serial: Refactor TenuredGeneration::promotion_attempt_is_safe

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Reviewed-by: tschatzl, mli
This commit is contained in:
Albert Mingkun Yang 2024-12-02 10:30:56 +00:00
parent dfcbfb5a41
commit 0b0f83c01e
1 changed files with 6 additions and 3 deletions
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9
src/hotspot/share/gc/serial/tenuredGeneration.cpp
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@ -378,11 +378,14 @@ void TenuredGeneration::update_counters() {
bool TenuredGeneration::promotion_attempt_is_safe(size_t max_promotion_in_bytes) const {
size_t available = _the_space->free() + _virtual_space.uncommitted_size();
size_t av_promo = (size_t)_avg_promoted->padded_average();
bool res = (available >= av_promo) || (available >= max_promotion_in_bytes);
size_t avg_promoted = (size_t)_avg_promoted->padded_average();
size_t promotion_estimate = MIN2(avg_promoted, max_promotion_in_bytes);
bool res = (promotion_estimate <= available);
log_trace(gc)("Tenured: promo attempt is%s safe: available(" SIZE_FORMAT ") %s av_promo(" SIZE_FORMAT "), max_promo(" SIZE_FORMAT ")",
res? "":" not", available, res? ">=":"<", av_promo, max_promotion_in_bytes);
res? "":" not", available, res? ">=":"<", avg_promoted, max_promotion_in_bytes);
return res;
}