Examples of org.hyperic.sigar.Sigar

org.hyperic.sigar.Sigar
The Sigar class provides access to the sigar objects containing system information. The Sigar object itself maintains internal state specific to each platform. It also implements the SigarProxy interface which provides caching at the Java level.

    status.setServerOs(props.getProperty("os.name") + " " + props.getProperty("os.arch") + " " + props.getProperty("os.version"));
    status.setJavaHome(props.getProperty("java.home"));
    status.setJavaVersion(props.getProperty("java.version"));
    status.setJavaTmpPath(props.getProperty("java.io.tmpdir"));


    Sigar sigar = new Sigar();
    getServerCpuInfo(sigar, status);
    getServerDiskInfo(sigar, status);
    getServerMemoryInfo(sigar, status);
    
    return status;

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                throw e.getTargetException();
            } finally {
                sharedSigarLock.unlock();
            }
        } else {
            Sigar localSigar = createLocalSigarInstance();
            try {
                return method.invoke(localSigar, args);
            } catch (InvocationTargetException e) {
                throw e.getTargetException();
            } finally {

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        localSigarLock.lock();
        try {
            if (LIMIT_LOCAL_SIGAR_INSTANCES && localSigarInstancesCount >= MAX_LOCAL_SIGAR_INSTANCES) {
                throw new RuntimeException("Too many Sigar instances created");
            }
            Sigar sigarInstance = sigarFactory.createSigarInstance();
            localSigarInstancesCount++;
            return sigarInstance;
        } finally {
            localSigarLock.unlock();
        }

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    }


    private static class DefaultSigarFactory implements SigarFactory {
        @Override
        public Sigar createSigarInstance() {
            return new Sigar();
        }

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     * @since 4.4
     */
    public void kill(String signalName) throws SigarException {
        int signalNumber = getSignalNumber(signalName);
        // TODO: Should we check if the process is even running and throw a special exception if it's not?
        Sigar fullSigar = new Sigar();
        try {
            fullSigar.kill(pid, signalNumber);
        } finally {
            fullSigar.close();
        }
    }

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        assert allServices.size() > 0;
    }


    @Test(enabled = ENABLED)
    public void testNativeMemory() throws Exception {
        Sigar sigar = new Sigar();
        try {
            Mem allMemory = sigar.getMem();
            Swap allSwap = sigar.getSwap();


            NumberFormat nf = NumberFormat.getNumberInstance();
            System.out.println("All Memory:" + "\nActualFreeMem=" + nf.format(allMemory.getActualFree())
                + "\nActualUsedMem=" + nf.format(allMemory.getActualUsed()) + "\n       RamMem="
                + nf.format(allMemory.getRam()) + "\n      FreeMem=" + nf.format(allMemory.getFree())
                + "\n      UsedMem=" + nf.format(allMemory.getUsed()) + "\n     TotalMem="
                + nf.format(allMemory.getTotal()) + "\n     FreeSwap=" + nf.format(allSwap.getFree())
                + "\n     UsedSwap=" + nf.format(allSwap.getUsed()) + "\n    TotalSwap="
                + nf.format(allSwap.getTotal()));
            assert allMemory.getActualFree() > 0 : allMemory.getActualFree();
            assert allMemory.getFree() > 0 : allMemory.getFree();
            assert allMemory.getTotal() > 1000000 : allMemory.getTotal();
            if (allSwap.getTotal()>0) {
                assert allSwap.getTotal() > 1000000 : allSwap.getTotal();
                assert allSwap.getFree() > 0 : allSwap.getFree();
            }


            ProcMem processMemory = sigar.getProcMem(sigar.getPid());


            System.out.println("Process Memory:" + "\n  MinorFaults=" + nf.format(processMemory.getMinorFaults())
                + "\n  MajorFaults=" + nf.format(processMemory.getMajorFaults()) + "\n   PageFaults="
                + nf.format(processMemory.getPageFaults()) + "\n     Resident="
                + nf.format(processMemory.getResident()) + "\n        Share=" + nf.format(processMemory.getShare())
                + "\n         Size=" + nf.format(processMemory.getSize()));
            assert processMemory.getResident() > 0 : processMemory.getResident();
            assert processMemory.getSize() > 0 : processMemory.getSize();
        } finally {
            sigar.close();
        }
    }

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     */
    @Test(enabled = ENABLED)
    public void testCreateAlotOfNativeObjects() throws Exception {
        System.out.println("Creating alot of native Who objects");
        for (int i = 0; i < 1000; i++) {
            Sigar sigar = new Sigar();
            sigar.getWhoList();
            sigar.close();
        }


        System.out.println("Creating alot of native Cpu objects");
        for (int i = 0; i < 1000; i++) {
            Sigar sigar = new Sigar();
            sigar.getCpuList();
            sigar.close();
        }


        System.out.println("Creating alot of native FileInfo objects");
        File tmpFile = File.createTempFile("native", "test");
        String tmp = tmpFile.getAbsolutePath();
        try {
            for (int i = 0; i < 500; i++) {
                Sigar sigar = new Sigar();
                sigar.getFileInfo(tmp);
                sigar.close();
            }
        } finally {
            tmpFile.delete();
        }
    }

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     *
     * @throws Exception
     */
    @Test(enabled = ENABLED)
    public void testShutdownInitialize() throws Exception {
        Sigar sigar = null;
        try {
            sigar = new Sigar();
            sigar.getCpu();
        } catch (Throwable t) {
            System.out.println("~~~ Native library is not available - cannot test the shutdown/init cycle");
            return;
        } finally {
            if (sigar != null) {
                sigar.close();
            }
        }
    }

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    private final Sigar sigar;


    @Inject public SigarService(Settings settings) {
        super(settings);


        Sigar sigar = null;
        try {
            sigar = new Sigar();
            // call it to make sure the library was loaded
            sigar.getPid();
        } catch (Throwable t) {
            logger.trace("Failed to load sigar", t);
            if (sigar != null) {
                try {
                    sigar.close();
                } catch (Throwable t1) {
                    // ignore
                } finally {
                    sigar = null;
                }

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    @Override public synchronized ProcessInfo processInfo() {
        return new ProcessInfo(sigarService.sigar().getPid(), JmxProcessProbe.getMaxFileDescriptorCount());
    }


    @Override public synchronized ProcessStats processStats() {
        Sigar sigar = sigarService.sigar();
        ProcessStats stats = new ProcessStats();
        stats.timestamp = System.currentTimeMillis();
        stats.openFileDescriptors = JmxProcessProbe.getOpenFileDescriptorCount();


        try {
            ProcCpu cpu = sigar.getProcCpu(sigar.getPid());
            stats.cpu = new ProcessStats.Cpu();
            stats.cpu.percent = (short) (cpu.getPercent() * 100);
            stats.cpu.sys = cpu.getSys();
            stats.cpu.user = cpu.getUser();
        } catch (SigarException e) {
            // ignore
        }


        try {
            ProcMem mem = sigar.getProcMem(sigar.getPid());
            stats.mem = new ProcessStats.Mem();
            stats.mem.totalVirtual = mem.getSize();
            stats.mem.resident = mem.getResident();
            stats.mem.share = mem.getShare();
        } catch (SigarException e) {

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