void GCHeapLog::log_heap(bool before) {
if (!should_log()) {
return;
}
double timestamp = fetch_timestamp();
MutexLockerEx ml(&_mutex, Mutex::_no_safepoint_check_flag);
int index = compute_log_index();
_records[index].thread = NULL; // Its the GC thread so it's not that interesting.
_records[index].timestamp = timestamp;
_records[index].data.is_before = before;
stringStream st(_records[index].data.buffer(), _records[index].data.size());
if (before) {
Universe::print_heap_before_gc(&st, true);
} else {
Universe::print_heap_after_gc(&st, true);
}
}
void GCHeapLog::log_heap(CollectedHeap* heap, bool before) {
if (!should_log()) {
return;
}
double timestamp = fetch_timestamp();
MutexLockerEx ml(&_mutex, Mutex::_no_safepoint_check_flag);
int index = compute_log_index();
_records[index].thread = NULL; // Its the GC thread so it's not that interesting.
_records[index].timestamp = timestamp;
_records[index].data.is_before = before;
stringStream st(_records[index].data.buffer(), _records[index].data.size());
st.print_cr("{Heap %s GC invocations=%u (full %u):",
before ? "before" : "after",
heap->total_collections(),
heap->total_full_collections());
heap->print_on(&st);
st.print_cr("}");
}