Example usage for java.lang Thread activeCount

Introduction

In this page you can find the example usage for java.lang Thread activeCount.

Prototype

public static int activeCount() 

Source Link

Document

Returns an estimate of the number of active threads in the current thread's java.lang.ThreadGroup thread group and its subgroups.

Usage

From source file:Main.java

public static int getThreadCount() {
    return Thread.activeCount();
}

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From source file:Main.java

public static void waitUntilLe(int activeThreadCount) {
    while (Thread.activeCount() > activeThreadCount) {
        try {//w w w  .j  av a  2s. c o  m
            Thread.sleep(1 * 1000);
        } catch (InterruptedException e) {
            return;
        }
    }
}

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From source file:Main.java

public static String getAllThreadNames() {
    Thread[] array = new Thread[Thread.activeCount()];

    Thread.enumerate(array);//ww  w. jav  a  2 s  .  c o m

    String s = "";
    for (Thread t : array) {
        if (t != null) {
            s += t.getName() + ", ";
        }
    }
    return s;
}

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From source file:com.liferay.portal.events.LogThreadCountAction.java

public void run(HttpServletRequest req, HttpServletResponse res) throws ActionException {

    _log.debug("Active Threads:\t" + Thread.activeCount());
}

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From source file:com.nubits.nubot.utils.Utils.java

public static void logActiveThreads() {
    int active = Thread.activeCount();
    LOG.trace("currently active threads: " + active);
    Thread allThreads[] = new Thread[active];
    Thread.enumerate(allThreads);

    for (int i = 0; i < active; i++) {
        Thread t = allThreads[i];
        LOG.trace(i + ": " + t + " id: " + t.getId() + " name: " + t.getName() + " " + t.getContextClassLoader()
                + " group: " + t.getThreadGroup() + " alive" + t.isAlive());
        LOG.trace("super: " + t.getClass().getSuperclass());
    }//from   w  ww. ja v a  2  s. c o m

    if (active > maxThreadsError) {
        LOG.error("too many threads started");
    }
}

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From source file:org.commonjava.indy.diag.data.DiagnosticsManager.java

public String getThreadDumpString() {
    Thread[] threads = new Thread[Thread.activeCount()];
    Thread.enumerate(threads);/*w  w w  .  jav a 2 s  . c o  m*/

    Map<Long, Thread> threadMap = new HashMap<>();
    Stream.of(threads).forEach(t -> threadMap.put(t.getId(), t));
    ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
    ThreadInfo[] threadInfos = threadMXBean.getThreadInfo(threadMXBean.getAllThreadIds(), 100);

    StringBuilder sb = new StringBuilder();
    Stream.of(threadInfos).forEachOrdered((ti) -> {
        if (sb.length() > 0) {
            sb.append("\n\n");
        }

        String threadGroup = "Unknown";
        Thread t = threadMap.get(ti.getThreadId());
        if (t != null) {
            ThreadGroup tg = t.getThreadGroup();
            if (tg != null) {
                threadGroup = tg.getName();
            }
        }

        sb.append(ti.getThreadName()).append("\n  Group: ").append(threadGroup).append("\n  State: ")
                .append(ti.getThreadState()).append("\n  Lock Info: ").append(ti.getLockInfo())
                .append("\n  Monitors:");

        MonitorInfo[] monitors = ti.getLockedMonitors();
        if (monitors == null || monitors.length < 1) {
            sb.append("  -NONE-");
        } else {
            sb.append("\n  - ").append(join(monitors, "\n  - "));
        }

        sb.append("\n  Trace:\n    ").append(join(ti.getStackTrace(), "\n    "));

    });

    return sb.toString();
}

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From source file:com.myJava.util.Util.java

public static void logAllThreadInformations() {
    int nb = Thread.activeCount();
    Thread[] th = new Thread[nb + 100];
    Thread.enumerate(th);/*from  w  w w  . j  av a  2s  .c o m*/
    boolean stop = false;
    Logger.defaultLogger().info("Thread information : " + nb + " threads.");
    for (int i = 0; i < th.length && !stop; i++) {
        if (th[i] == null) {
            stop = true;
        } else {
            String header = "Thread " + i + " (" + th[i].getName() + " / " + th[i].getId() + ")";
            logThreadInformations(header, th[i]);
        }
    }
}

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From source file:ai.susi.server.api.susi.StatusService.java

@Override
public JSONObject serviceImpl(Query post, HttpServletResponse response, Authorization rights,
        JsonObjectWithDefault permissions) throws APIException {

    post.setResponse(response, "application/javascript");

    // generate json
    Runtime runtime = Runtime.getRuntime();
    JSONObject json = new JSONObject(true);
    JSONObject system = new JSONObject(true);
    system.put("assigned_memory", runtime.maxMemory());
    system.put("used_memory", runtime.totalMemory() - runtime.freeMemory());
    system.put("available_memory", runtime.maxMemory() - runtime.totalMemory() + runtime.freeMemory());
    system.put("cores", runtime.availableProcessors());
    system.put("threads", Thread.activeCount());
    system.put("runtime", System.currentTimeMillis() - Caretaker.startupTime);
    system.put("load_system_average", OS.getSystemLoadAverage());
    system.put("load_system_cpu", OS.getSystemCpuLoad());
    system.put("load_process_cpu", OS.getProcessCpuLoad());
    system.put("server_threads", SusiServer.getServerThreads());
    system.put("server_uri", SusiServer.getServerURI());

    JSONObject index = new JSONObject(true);
    JSONObject messages = new JSONObject(true);
    JSONObject queue = new JSONObject(true);
    messages.put("queue", queue);
    JSONObject users = new JSONObject(true);
    JSONObject queries = new JSONObject(true);
    JSONObject accounts = new JSONObject(true);
    JSONObject user = new JSONObject(true);
    index.put("messages", messages);
    index.put("users", users);
    index.put("queries", queries);
    index.put("accounts", accounts);
    index.put("user", user);

    JSONObject client_info = new JSONObject(true);
    client_info.put("RemoteHost", post.getClientHost());
    client_info.put("IsLocalhost", post.isLocalhostAccess() ? "true" : "false");

    JSONObject request_header = new JSONObject(true);
    Enumeration<String> he = post.getRequest().getHeaderNames();
    while (he.hasMoreElements()) {
        String h = he.nextElement();
        request_header.put(h, post.getRequest().getHeader(h));
    }// ww  w  . j  a  v  a2 s.  c  om
    client_info.put("request_header", request_header);

    json.put("system", system);
    json.put("index", index);
    json.put("client_info", client_info);

    return json;
}

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From source file:org.loklak.api.susi.StatusService.java

@Override
public JSONObject serviceImpl(Query post, HttpServletResponse response, Authorization rights,
        JSONObjectWithDefault permissions) throws APIException {

    post.setResponse(response, "application/javascript");

    // generate json
    Runtime runtime = Runtime.getRuntime();
    JSONObject json = new JSONObject(true);
    JSONObject system = new JSONObject(true);
    system.put("assigned_memory", runtime.maxMemory());
    system.put("used_memory", runtime.totalMemory() - runtime.freeMemory());
    system.put("available_memory", runtime.maxMemory() - runtime.totalMemory() + runtime.freeMemory());
    system.put("cores", runtime.availableProcessors());
    system.put("threads", Thread.activeCount());
    system.put("runtime", System.currentTimeMillis() - Caretaker.startupTime);
    system.put("load_system_average", OS.getSystemLoadAverage());
    system.put("load_system_cpu", OS.getSystemCpuLoad());
    system.put("load_process_cpu", OS.getProcessCpuLoad());
    system.put("server_threads", SusiServer.getServerThreads());
    system.put("server_uri", SusiServer.getServerURI());

    JSONObject index = new JSONObject(true);
    JSONObject messages = new JSONObject(true);
    JSONObject queue = new JSONObject(true);
    messages.put("queue", queue);
    JSONObject users = new JSONObject(true);
    JSONObject queries = new JSONObject(true);
    JSONObject accounts = new JSONObject(true);
    JSONObject user = new JSONObject(true);
    index.put("messages", messages);
    index.put("users", users);
    index.put("queries", queries);
    index.put("accounts", accounts);
    index.put("user", user);

    JSONObject client_info = new JSONObject(true);
    client_info.put("RemoteHost", post.getClientHost());
    client_info.put("IsLocalhost", post.isLocalhostAccess() ? "true" : "false");

    JSONObject request_header = new JSONObject(true);
    Enumeration<String> he = post.getRequest().getHeaderNames();
    while (he.hasMoreElements()) {
        String h = he.nextElement();
        request_header.put(h, post.getRequest().getHeader(h));
    }/*from  w w  w. j  ava2 s . c  o  m*/
    client_info.put("request_header", request_header);

    json.put("system", system);
    json.put("index", index);
    json.put("client_info", client_info);

    return json;
}

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From source file:seleniumAutomation.flowControls.java

public static void launchFlow(final String testCase) {
    try {/*from w w  w.ja  va2 s  .  c om*/
        if (testCase.length() > 4) {
            while (Thread.activeCount() > 5) {
                Thread.sleep(1000);
            }
            Thread thread = new Thread() {
                public void run() {
                    getSelenium().parseTestCase(testCase);
                    return;
                }
            };
            thread.start();
            Thread.sleep(10);
        }
    } catch (InterruptedException ex) {
        Logger.getLogger(flowControls.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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