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src/share/vm/gc_implementation/g1/g1ParScanThreadState.cpp
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@@ -185,10 +185,25 @@
// no other space to try.
return NULL;
}
}
+void G1ParScanThreadState::report_promotion_event(InCSetState const dest_state,
+ oop const old, size_t word_sz, uint age,
+ HeapWord * const obj_ptr,
+ AllocationContext_t context) const {
+ ParGCAllocBuffer* alloc_buf = _g1_par_allocator->alloc_buffer(dest_state, context);
+ if (alloc_buf->contains(obj_ptr)) {
+ _g1h->_gc_tracer_stw->report_promotion_in_new_plab_event(old->klass(), word_sz, age,
+ dest_state.value() == InCSetState::Old,
+ alloc_buf->word_sz());
+ } else {
+ _g1h->_gc_tracer_stw->report_promotion_outside_plab_event(old->klass(), word_sz, age,
+ dest_state.value() == InCSetState::Old);
+ }
+}
+
InCSetState G1ParScanThreadState::next_state(InCSetState const state, markOop const m, uint& age) {
if (state.is_young()) {
age = !m->has_displaced_mark_helper() ? m->age()
: m->displaced_mark_helper()->age();
if (age < _tenuring_threshold) {
@@ -223,10 +238,14 @@
// This will either forward-to-self, or detect that someone else has
// installed a forwarding pointer.
return _g1h->handle_evacuation_failure_par(this, old);
}
}
+ if (_g1h->_gc_tracer_stw->should_report_promotion_events()) {
+ // The events are checked individually as part of the actual commit
+ report_promotion_event(dest_state, old, word_sz, age, obj_ptr, context);
+ }
}
assert(obj_ptr != NULL, "when we get here, allocation should have succeeded");
#ifndef PRODUCT
// Should this evacuation fail?
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