// AllocThread only runs "Alloc" phase
public void run() {
Random random = new Random();
while (MallocStressTest.phase == TestPhase.alloc) {
int r = Math.abs(random.nextInt());
// Only malloc small amount to avoid OOM
int size = r % 32;
if (is_64_bit_system()) {
r = r % 32 * K;
} else {
r = r % 64;
}
if (size == 0) size = 1;
long addr = MallocStressTest.whiteBox.NMTMallocWithPseudoStack(size, r);
if (addr != 0) {
MallocMemory mem = new MallocMemory(addr, size);
synchronized (MallocStressTest.mallocd_memory) {
MallocStressTest.mallocd_memory.add(mem);
MallocStressTest.mallocd_total += size;
}
} else {
System.out.println("Out of malloc memory");
break;
}
}
MallocStressTest.pause_count.incrementAndGet();
}
private void slow_release() {
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
synchronized (MallocStressTest.mallocd_memory) {
if (MallocStressTest.mallocd_memory.isEmpty()) return;
int n = Math.abs(random.nextInt()) % MallocStressTest.mallocd_memory.size();
MallocMemory mem = mallocd_memory.remove(n);
MallocStressTest.whiteBox.NMTFree(mem.addr());
MallocStressTest.mallocd_total -= mem.size();
}
}
private void quick_release() {
List<MallocMemory> free_list;
while (true) {
synchronized (MallocStressTest.mallocd_memory) {
if (MallocStressTest.mallocd_memory.isEmpty()) return;
int size = Math.min(MallocStressTest.mallocd_memory.size(), 5000);
List<MallocMemory> subList = MallocStressTest.mallocd_memory.subList(0, size);
free_list = new ArrayList<MallocMemory>(subList);
subList.clear();
}
for (int index = 0; index < free_list.size(); index++) {
MallocMemory mem = free_list.get(index);
MallocStressTest.whiteBox.NMTFree(mem.addr());
}
}
}