/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2006, Rasmus Ulslev Pedersen
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gctest;
import util.Dbg;
import util.Timer;
import joprt.RtThread;
import com.jopdesign.sys.*;
// A timing test of the GCStackWalker
public class GCTest10 {
static Object mutex;
public static void main(String s[]) {
System.out.println("GC Example 10");
// Results in us:
// threadcnt | conservative | exact
// (nt+1) | block total | block totol
// 1 (nt=0) |
// 10 (nt=9) |
// 100 (nt=99)|
// Number of extra threads in addition to main thread:
int nt = 9;
for (int i = 0; i < nt; i++) {
System.out.print("Extra thread:");
System.out.println(i);
new RtThread(20 + i, 2000000 + i) {
public void run() {
waitForNextPeriod();
}
};
}
RtThread.startMission();
int ts;
synchronized (mutex) {
ts = Timer.us();
GC.gc();
ts = Timer.us() - ts;
}
System.out.print("Total GC took ");
System.out.print(ts);
System.out.println(" us");
System.exit(0);
} // main
}