277 // intersect with dirty cards.
278 void TenuredGeneration::verify_alloc_buffers_clean() {
279 if (UseParNewGC) {
280 for (uint i = 0; i < ParallelGCThreads; i++) {
281 _rs->verify_aligned_region_empty(_alloc_buffers[i]->range());
282 }
283 }
284 }
285
286 #else // INCLUDE_ALL_GCS
287 void TenuredGeneration::retire_alloc_buffers_before_full_gc() {}
288 void TenuredGeneration::verify_alloc_buffers_clean() {}
289 #endif // INCLUDE_ALL_GCS
290
291 bool TenuredGeneration::promotion_attempt_is_safe(size_t max_promotion_in_bytes) const {
292 size_t available = max_contiguous_available();
293 size_t av_promo = (size_t)gc_stats()->avg_promoted()->padded_average();
294 bool res = (available >= av_promo) || (available >= max_promotion_in_bytes);
295 if (PrintGC && Verbose) {
296 gclog_or_tty->print_cr(
297 "Tenured: promo attempt is%s safe: available("SIZE_FORMAT") %s av_promo("SIZE_FORMAT"),"
298 "max_promo("SIZE_FORMAT")",
299 res? "":" not", available, res? ">=":"<",
300 av_promo, max_promotion_in_bytes);
301 }
302 return res;
303 }
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277 // intersect with dirty cards.
278 void TenuredGeneration::verify_alloc_buffers_clean() {
279 if (UseParNewGC) {
280 for (uint i = 0; i < ParallelGCThreads; i++) {
281 _rs->verify_aligned_region_empty(_alloc_buffers[i]->range());
282 }
283 }
284 }
285
286 #else // INCLUDE_ALL_GCS
287 void TenuredGeneration::retire_alloc_buffers_before_full_gc() {}
288 void TenuredGeneration::verify_alloc_buffers_clean() {}
289 #endif // INCLUDE_ALL_GCS
290
291 bool TenuredGeneration::promotion_attempt_is_safe(size_t max_promotion_in_bytes) const {
292 size_t available = max_contiguous_available();
293 size_t av_promo = (size_t)gc_stats()->avg_promoted()->padded_average();
294 bool res = (available >= av_promo) || (available >= max_promotion_in_bytes);
295 if (PrintGC && Verbose) {
296 gclog_or_tty->print_cr(
297 "Tenured: promo attempt is%s safe: available(" SIZE_FORMAT ") %s av_promo(" SIZE_FORMAT "),"
298 "max_promo(" SIZE_FORMAT ")",
299 res? "":" not", available, res? ">=":"<",
300 av_promo, max_promotion_in_bytes);
301 }
302 return res;
303 }
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