inline jlong Thread::cooked_allocated_bytes() {
jlong allocated_bytes = OrderAccess::load_acquire(&_allocated_bytes);
if (UseTLAB) {
size_t used_bytes = tlab().used_bytes();
if ((ssize_t)used_bytes > 0) {
// More-or-less valid tlab. The load_acquire above should ensure
// that the result of the add is <= the instantaneous value.
return allocated_bytes + used_bytes;
}
}
return allocated_bytes;
}
inline jlong Thread::cooked_allocated_bytes() {
jlong allocated_bytes = OrderAccess::load_acquire(&_allocated_bytes);
if (UseTLAB) {
size_t used_bytes = tlab().used_bytes();
if (used_bytes <= ThreadLocalAllocBuffer::max_size_in_bytes()) {
// Comparing used_bytes with the maximum allowed size will ensure
// that we don't add the used bytes from a semi-initialized TLAB
// ending up with incorrect values. There is still a race between
// incrementing _allocated_bytes and clearing the TLAB, that might
// cause double counting in rare cases.
return allocated_bytes + used_bytes;
}
}
return allocated_bytes;
}
