public static void premain(String agentArgs, Instrumentation inst) throws FileNotFoundException {
Config config = Config.readFromFile(Config.DEFAULT_FILE_CONFIG_LOCATION);
globalInst = inst;
inst.addTransformer(new BasicClassFileTransformer(config));
ResourceMonitor rm = config.getResourceMonitor();
if (rm.isActive() && hardwareThread == null) {
// installGCMonitoring();
List<HardwareDaemonWriter> writers = new ArrayList<HardwareDaemonWriter>();
if (rm.isDebug()) {
System.out.println("use debug");
writers.add(new HardwareDaemonWriterMockImpl());
} else {
System.out.println("not using debug");
}
if (rm.isSendToCollector())
try {
writers.add(new HardwareDaemonWriterCollectorImpl(config));
} catch (IOException e) {
e.printStackTrace();
}
hardwareThread = new HardwareDaemon(config, writers);
hardwareThread.start();
}
}
public static long getObjectSize(Object object) {
if (globalInst == null) {
throw new IllegalStateException("Agent not initialized");
}
if (object == null) {
return 0;
} else {
long totalSize = globalInst.getObjectSize(object);
if (object instanceof List) {
List list = (List) object;
for (int i = 0; i < list.size(); i++) {
if (list.get(i) != null) {
totalSize += globalInst.getObjectSize(list.get(i));
}
}
}
globalInst.getObjectSize(object);
return totalSize;
}
}
