public void measurement(boolean count, boolean time, int c) {
Measurement m = new Measurement();
m.start();
Measurement t = new Measurement(time, count);
for (int i = 0; i < c; i++) {
t.start();
t.stop();
}
m.stop();
System.out.println(
time
+ "/"
+ count
+ " "
+ c
+ " measurements took: "
+ Long.toString(m.getElapsedTime() / 1000)
+ " us, on average "
+ Double.toString(m.getElapsedTime() / c)
+ " ns");
}
public void _testBlock() {
Measurement m = new Measurement();
final Object o = new Object();
final Thread current = Thread.currentThread();
Thread x =
new Thread() {
@Override
public void run() {
System.out.println("started");
synchronized (o) {
System.out.println("in synchronized block");
System.out.println("state of starting thread " + current.getState());
System.out.println("notifyAll");
o.notifyAll();
}
}
};
m.start();
synchronized (o) {
System.out.println("starting");
x.start();
try {
System.out.println("state of notifying thread " + x.getState());
System.out.println("waiting");
o.wait();
System.out.println("done waiting");
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
m.stop();
try {
x.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
Assert.assertEquals(0, m.getBlockCountDelta());
Assert.assertEquals(1, m.getWaitCountDelta());
}
public void testMeasure() throws InterruptedException {
Measurement m = new Measurement();
m.start();
Object o = new Object();
synchronized (o) {
o.wait(500);
}
long j = 0;
for (int i = 0; i < 6000000; i++) {
j = j + (j * i);
}
m.stop();
long t = m.getElapsedTime();
System.out.println("elapsed: " + t);
long c = m.getElapsedCpuTime();
System.out.println(c);
long u = m.getElapsedUserTime();
System.out.println(u);
long b = m.getBlockCountDelta();
System.out.println(b);
long w = m.getWaitCountDelta();
System.out.println(w);
}
