488 GCCause::Cause gc_cause,
489 CollectorPolicy* collector_policy);
490
491 static bool should_update_promo_stats(GCCause::Cause cause) {
492 return ((GCCause::is_user_requested_gc(cause) &&
493 UseAdaptiveSizePolicyWithSystemGC) ||
494 GCCause::is_tenured_allocation_failure_gc(cause));
495 }
496
497 static bool should_update_eden_stats(GCCause::Cause cause) {
498 return ((GCCause::is_user_requested_gc(cause) &&
499 UseAdaptiveSizePolicyWithSystemGC) ||
500 GCCause::is_allocation_failure_gc(cause));
501 }
502
503 // Printing support
504 virtual bool print() const;
505 void print_tenuring_threshold(uint new_tenuring_threshold) const;
506 };
507
508 // Class that can be used to print information about the
509 // adaptive size policy at intervals specified by
510 // AdaptiveSizePolicyOutputInterval. Only print information
511 // if an adaptive size policy is in use.
512 class AdaptiveSizePolicyOutput : StackObj {
513 static bool enabled() {
514 return UseParallelGC &&
515 UseAdaptiveSizePolicy &&
516 log_is_enabled(Debug, gc, ergo);
517 }
518 public:
519 static void print() {
520 if (enabled()) {
521 Universe::heap()->size_policy()->print();
522 }
523 }
524
525 static void print(AdaptiveSizePolicy* size_policy, uint count) {
526 bool do_print =
527 enabled() &&
528 (AdaptiveSizePolicyOutputInterval > 0) &&
529 (count % AdaptiveSizePolicyOutputInterval) == 0;
530
531 if (do_print) {
532 size_policy->print();
533 }
534 }
535 };
536
537 #endif // SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_HPP
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488 GCCause::Cause gc_cause,
489 CollectorPolicy* collector_policy);
490
491 static bool should_update_promo_stats(GCCause::Cause cause) {
492 return ((GCCause::is_user_requested_gc(cause) &&
493 UseAdaptiveSizePolicyWithSystemGC) ||
494 GCCause::is_tenured_allocation_failure_gc(cause));
495 }
496
497 static bool should_update_eden_stats(GCCause::Cause cause) {
498 return ((GCCause::is_user_requested_gc(cause) &&
499 UseAdaptiveSizePolicyWithSystemGC) ||
500 GCCause::is_allocation_failure_gc(cause));
501 }
502
503 // Printing support
504 virtual bool print() const;
505 void print_tenuring_threshold(uint new_tenuring_threshold) const;
506 };
507
508 #endif // SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_HPP
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