public static void main(String args[]) { MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean(); MemoryUsage heapMemoryUsage = memoryMXBean.getHeapMemoryUsage(); long init = heapMemoryUsage.getInit(); long used = heapMemoryUsage.getUsed(); long max = heapMemoryUsage.getMax(); long committed = heapMemoryUsage.getCommitted(); long free = max - used; int usedPercent = (int) (used / max); int freePercent = (int) (usedPercent / max); MemoryUsage nonHeapMemoryUsage = memoryMXBean.getNonHeapMemoryUsage(); List<GarbageCollectorMXBean> garbageCollectorMXBeans = ManagementFactory.getGarbageCollectorMXBeans(); List<MemoryPoolMXBean> memoryPoolMXBeans = ManagementFactory.getMemoryPoolMXBeans(); com.sun.management.OperatingSystemMXBean operatingSystemMXBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean(); long commitVirtual = operatingSystemMXBean.getCommittedVirtualMemorySize(); println(init, used, max, committed); println(commitVirtual); }
synchronized Result formatSummary() { Result result = new Result(); ProxyClient proxyClient = vmPanel.getProxyClient(); if (proxyClient.isDead()) { return null; } buf = new StringBuilder(); append("<table cellpadding=1>"); try { RuntimeMXBean rmBean = proxyClient.getRuntimeMXBean(); CompilationMXBean cmpMBean = proxyClient.getCompilationMXBean(); ThreadMXBean tmBean = proxyClient.getThreadMXBean(); MemoryMXBean memoryBean = proxyClient.getMemoryMXBean(); ClassLoadingMXBean clMBean = proxyClient.getClassLoadingMXBean(); OperatingSystemMXBean osMBean = proxyClient.getOperatingSystemMXBean(); com.sun.management.OperatingSystemMXBean sunOSMBean = proxyClient.getSunOperatingSystemMXBean(); append("<tr><td colspan=4>"); append("<center><b>" + Messages.SUMMARY_TAB_TAB_NAME + "</b></center>"); String dateTime = headerDateTimeFormat.format(System.currentTimeMillis()); append("<center>" + dateTime + "</center>"); append(newDivider); { // VM info append(newLeftTable); append(Messages.CONNECTION_NAME, vmPanel.getDisplayName()); append( Messages.VIRTUAL_MACHINE, Resources.format( Messages.SUMMARY_TAB_VM_VERSION, rmBean.getVmName(), rmBean.getVmVersion())); append(Messages.VENDOR, rmBean.getVmVendor()); append(Messages.NAME, rmBean.getName()); append(endTable); append(newRightTable); result.upTime = rmBean.getUptime(); append(Messages.UPTIME, formatTime(result.upTime)); if (sunOSMBean != null) { result.processCpuTime = sunOSMBean.getProcessCpuTime(); append(Messages.PROCESS_CPU_TIME, formatNanoTime(result.processCpuTime)); } if (cmpMBean != null) { append(Messages.JIT_COMPILER, cmpMBean.getName()); append( Messages.TOTAL_COMPILE_TIME, cmpMBean.isCompilationTimeMonitoringSupported() ? formatTime(cmpMBean.getTotalCompilationTime()) : Messages.UNAVAILABLE); } else { append(Messages.JIT_COMPILER, Messages.UNAVAILABLE); } append(endTable); } append(newDivider); { // Threads and Classes append(newLeftTable); int tlCount = tmBean.getThreadCount(); int tdCount = tmBean.getDaemonThreadCount(); int tpCount = tmBean.getPeakThreadCount(); long ttCount = tmBean.getTotalStartedThreadCount(); String[] strings1 = formatLongs( tlCount, tpCount, tdCount, ttCount); append(Messages.LIVE_THREADS, strings1[0]); append(Messages.PEAK, strings1[1]); append(Messages.DAEMON_THREADS, strings1[2]); append(Messages.TOTAL_THREADS_STARTED, strings1[3]); append(endTable); append(newRightTable); long clCount = clMBean.getLoadedClassCount(); long cuCount = clMBean.getUnloadedClassCount(); long ctCount = clMBean.getTotalLoadedClassCount(); String[] strings2 = formatLongs(clCount, cuCount, ctCount); append(Messages.CURRENT_CLASSES_LOADED, strings2[0]); append(Messages.TOTAL_CLASSES_LOADED, strings2[2]); append(Messages.TOTAL_CLASSES_UNLOADED, strings2[1]); append(null, ""); append(endTable); } append(newDivider); { // Memory MemoryUsage u = memoryBean.getHeapMemoryUsage(); append(newLeftTable); String[] strings1 = formatKByteStrings(u.getUsed(), u.getMax()); append(Messages.CURRENT_HEAP_SIZE, strings1[0]); append(Messages.MAXIMUM_HEAP_SIZE, strings1[1]); append(endTable); append(newRightTable); String[] strings2 = formatKByteStrings(u.getCommitted()); append(Messages.COMMITTED_MEMORY, strings2[0]); append( Messages.SUMMARY_TAB_PENDING_FINALIZATION_LABEL, Messages.SUMMARY_TAB_PENDING_FINALIZATION_VALUE, memoryBean.getObjectPendingFinalizationCount()); append(endTable); append(newTable); Collection<GarbageCollectorMXBean> garbageCollectors = proxyClient.getGarbageCollectorMXBeans(); for (GarbageCollectorMXBean garbageCollectorMBean : garbageCollectors) { String gcName = garbageCollectorMBean.getName(); long gcCount = garbageCollectorMBean.getCollectionCount(); long gcTime = garbageCollectorMBean.getCollectionTime(); append( Messages.GARBAGE_COLLECTOR, Resources.format( Messages.GC_INFO, gcName, gcCount, (gcTime >= 0) ? formatTime(gcTime) : Messages.UNAVAILABLE), 4); } append(endTable); } append(newDivider); { // Operating System info append(newLeftTable); String osName = osMBean.getName(); String osVersion = osMBean.getVersion(); String osArch = osMBean.getArch(); result.nCPUs = osMBean.getAvailableProcessors(); append(Messages.OPERATING_SYSTEM, osName + " " + osVersion); append(Messages.ARCHITECTURE, osArch); append(Messages.NUMBER_OF_PROCESSORS, result.nCPUs + ""); if (pathSeparator == null) { // Must use separator of remote OS, not File.pathSeparator // from this local VM. In the future, consider using // RuntimeMXBean to get the remote system property. pathSeparator = osName.startsWith("Windows ") ? ";" : ":"; } if (sunOSMBean != null) { String[] kbStrings1 = formatKByteStrings(sunOSMBean.getCommittedVirtualMemorySize()); String[] kbStrings2 = formatKByteStrings( sunOSMBean.getTotalPhysicalMemorySize(), sunOSMBean.getFreePhysicalMemorySize(), sunOSMBean.getTotalSwapSpaceSize(), sunOSMBean.getFreeSwapSpaceSize()); append(Messages.COMMITTED_VIRTUAL_MEMORY, kbStrings1[0]); append(endTable); append(newRightTable); append(Messages.TOTAL_PHYSICAL_MEMORY, kbStrings2[0]); append(Messages.FREE_PHYSICAL_MEMORY, kbStrings2[1]); append(Messages.TOTAL_SWAP_SPACE, kbStrings2[2]); append(Messages.FREE_SWAP_SPACE, kbStrings2[3]); } append(endTable); } append(newDivider); { // VM arguments and paths append(newTable); String args = ""; java.util.List<String> inputArguments = rmBean.getInputArguments(); for (String arg : inputArguments) { args += arg + " "; } append(Messages.VM_ARGUMENTS, args, 4); append(Messages.CLASS_PATH, rmBean.getClassPath(), 4); append(Messages.LIBRARY_PATH, rmBean.getLibraryPath(), 4); append( Messages.BOOT_CLASS_PATH, rmBean.isBootClassPathSupported() ? rmBean.getBootClassPath() : Messages.UNAVAILABLE, 4); append(endTable); } } catch (IOException e) { if (JConsole.isDebug()) { e.printStackTrace(); } proxyClient.markAsDead(); return null; } catch (UndeclaredThrowableException e) { if (JConsole.isDebug()) { e.printStackTrace(); } proxyClient.markAsDead(); return null; } append("</table>"); result.timeStamp = System.currentTimeMillis(); result.summary = buf.toString(); return result; }