8066443: Add G1 support for promotion event

Reviewed-by: tschatzl
This commit is contained in:
Staffan Friberg 2015-09-02 09:51:05 +02:00
parent dada9bc32c
commit 96823ab211
4 changed files with 29 additions and 0 deletions

View file

@ -186,6 +186,21 @@ InCSetState G1ParScanThreadState::next_state(InCSetState const state, markOop co
return dest(state);
}
void G1ParScanThreadState::report_promotion_event(InCSetState const dest_state,
oop const old, size_t word_sz, uint age,
HeapWord * const obj_ptr,
const AllocationContext_t context) const {
G1PLAB* alloc_buf = _plab_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);
}
}
oop G1ParScanThreadState::copy_to_survivor_space(InCSetState const state,
oop const old,
markOop const old_mark) {
@ -219,6 +234,10 @@ oop G1ParScanThreadState::copy_to_survivor_space(InCSetState const state,
return handle_evacuation_failure_par(old, old_mark);
}
}
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");