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/*
* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package nsk.jvmti.GetThreadCpuTime;
import java.io.PrintStream;
import nsk.share.*;
import nsk.share.jvmti.*;
/** Debuggee class for this test. */
public class thrcputime002 extends DebugeeClass {
/** Load native library if required. */
static {
loadLibrary("thrcputime002");
}
/** Run test from command line. */
public static void main(String argv[]) {
argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
// JCK-compatible exit
System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE);
}
/** Run test from JCK-compatible environment. */
public static int run(String argv[], PrintStream out) {
return new thrcputime002().runIt(argv, out);
}
/* =================================================================== */
// scaffold objects
ArgumentHandler argHandler = null;
Log log = null;
long timeout = 0;
int status = Consts.TEST_PASSED;
static final String TESTED_THREAD_NAME = "thrcputime002Thread";
static final int SLEEP_TIME = 5 * 1000; // milliseconds
/** Run debuggee. */
public int runIt(String argv[], PrintStream out) {
argHandler = new ArgumentHandler(argv);
log = new Log(out, argHandler);
timeout = argHandler.getWaitTime() * 60 * 1000; // milliseconds
int iterations = argHandler.findOptionIntValue("iterations", 1000);
thrcputime002Thread thread = new thrcputime002Thread(TESTED_THREAD_NAME, iterations);
// sync before thread started
log.display("Sync: tested thread created");
status = checkStatus(status);
// start and finish tested thread
try {
synchronized (thread.endingMonitor) {
// start thread and wait for start notification
synchronized (thread.startingMonitor) {
thread.start();
thread.startingMonitor.wait();
}
// sync after thread started
log.display("Sync: tested thread started");
status = checkStatus(status);
// let thread to finish
}
// wait for thread to finish
thread.join();
} catch (InterruptedException e) {
throw new Failure("Main thread interrupted while running tested thread:\n\t"
+ e);
}
// sync after thread finished
log.display("Sync: tested thread finished");
status = checkStatus(status);
return status;
}
}
/* =================================================================== */
/** Class for tested thread. */
class thrcputime002Thread extends Thread {
public int iterations;
public Object startingMonitor = new Object();
public Object endingMonitor = new Object();
/** Make thread with specific name. */
public thrcputime002Thread(String name, int iterations) {
super(name);
this.iterations = iterations;
}
/** Run some code. */
public void run() {
runIterations(iterations);
// notify about start
synchronized (startingMonitor) {
startingMonitor.notifyAll();
}
runIterations(iterations);
// wait for finishing enabled
synchronized (endingMonitor) {
}
runIterations(iterations);
}
/** Run some code with given number of iterations. */
void runIterations(int n) {
for (int k = 0; k < n; k++) {
int s = k;
for (int i = 0; i < n; i++) {
if (i % 2 == 0) {
s += i * 10;
} else {
s -= i * 10;
}
}
}
}
}
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