org.hyperic.sigar.CpuPerc Java Examples

public CPU(int index, CpuInfo info, CpuPerc perc) {
    this.index = index;
    this.cacheSize = info.getCacheSize();
    this.coresPerSocket = info.getCoresPerSocket();
    this.totalCores = info.getTotalCores();
    this.totalSockets = info.getTotalSockets();
    this.mhz = info.getMhz();
    this.model = info.getModel();
    this.vendor = info.getVendor();

    this.user = perc.getUser();
    this.sys = perc.getSys();
    this.nice = perc.getNice();
    this.idle = perc.getIdle();
    this.wait = perc.getWait();
    this.irq = perc.getIrq();
    this.softIrq = perc.getSoftIrq();
    this.stolen = perc.getStolen();
    this.combined = perc.getCombined();
}
 

private static void cpu() throws SigarException {
    Sigar sigar = new Sigar();
    
    CpuPerc perc = sigar.getCpuPerc();
    System.out.println("整体cpu的占用情况:");
    System.out.println("空闲率: " + CpuPerc.format(perc.getIdle()));//获取当前cpu的空闲率
    System.out.println("占用率: "+ CpuPerc.format(perc.getCombined()));//获取当前cpu的占用率
    
    
    CpuInfo infos[] = sigar.getCpuInfoList();
    CpuPerc cpuList[] = null;
    cpuList = sigar.getCpuPercList();
    for (int i = 0; i < infos.length; i++) {// 不管是单块CPU还是多CPU都适用
        CpuInfo info = infos[i];
        System.out.println("第" + (i + 1) + "块CPU信息");
        System.out.println("CPU的总量MHz:    " + info.getMhz());// CPU的总量MHz
        System.out.println("CPU生产商:    " + info.getVendor());// 获得CPU的卖主，如：Intel
        System.out.println("CPU类别:    " + info.getModel());// 获得CPU的类别，如：Celeron
        System.out.println("CPU缓存数量:    " + info.getCacheSize());// 缓冲存储器数量
        printCpuPerc(cpuList[i]);
    }
}
 

private void pollMetrics() {
    try {
        CpuPerc cpu = sigar.getCpuPerc();
        Mem mem = sigar.getMem();
        FileSystemUsage disk = sigar.getFileSystemUsage(SLASH);

        NodeMemoryUsage memoryNode = new NodeMemoryUsage.Builder().free(mem.getFree())
                .used(mem.getUsed()).total(mem.getTotal()).withUnit(Units.BYTES)
                .withNode(localNodeId).build();
        NodeCpuUsage cpuNode = new NodeCpuUsage.Builder().withNode(localNodeId)
                .usage(cpu.getCombined() * PERCENTAGE_MULTIPLIER).build();
        NodeDiskUsage diskNode = new NodeDiskUsage.Builder().withNode(localNodeId)
                .free(disk.getFree()).used(disk.getUsed()).withUnit(Units.KBYTES)
                .total(disk.getTotal()).build();
        diskStore.put(localNodeId, diskNode);
        memoryStore.put(localNodeId, memoryNode);
        cpuStore.put(localNodeId, cpuNode);

    } catch (SigarException e) {
        log.error("Exception occurred ", e);
    }

}
 

/**
 * Gets the cpu usage.
 * 
 * @return the cpu usage
 */
private Object getCpuUsage() {
	try {
		// cpu percentage object.
		CpuPerc per = sigar.getCpuPerc();

		// getting the string value of percentage.
		String p = String.valueOf(per.getCombined() * 100.0);
		// getting index of the .
		int ix = p.indexOf('.') + 1;
		// getting only one digit after .
		return p.substring(0, ix) + p.substring(ix, ix + 1);
	} catch (Exception e) {
		LOGGER.error(e.getMessage(), e);
	}
	return null;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void sample(final IMonitoringController monitoringController) throws SigarException {
	if (!monitoringController.isMonitoringEnabled()) {
		return;
	}
	if (!monitoringController.isProbeActivated(SignatureFactory.createCPUSignature())) {
		return;
	}

	final CpuPerc[] cpus = this.sigar.getCpuPercList();
	final ITimeSource timesource = monitoringController.getTimeSource();
	for (int i = 0; i < cpus.length; i++) {
		if (monitoringController.isProbeActivated(SignatureFactory.createCPUSignature(i))) {
			final CpuPerc curCPU = cpus[i];
			final double combinedUtilization = curCPU.getCombined();
			final ResourceUtilizationRecord r = new ResourceUtilizationRecord(timesource.getTime(), monitoringController.getHostname(),
					CPU_RESOURCE_NAME_PREFIX + i, combinedUtilization);
			monitoringController.newMonitoringRecord(r);
			// CPUsCombinedPercSampler.log.info("Sigar utilization: " + combinedUtilization + "; " + " Record: " + r);
		}
	}
}
 

/**
 * {@inheritDoc}
 */
@Override
public void sample(final IMonitoringController monitoringController) throws SigarException {
	if (!monitoringController.isMonitoringEnabled()) {
		return;
	}
	if (!monitoringController.isProbeActivated(SignatureFactory.createCPUSignature())) {
		return;
	}

	final CpuPerc[] cpus = this.sigar.getCpuPercList();
	final ITimeSource timesource = monitoringController.getTimeSource();
	for (int i = 0; i < cpus.length; i++) {
		if (monitoringController.isProbeActivated(SignatureFactory.createCPUSignature(i))) {
			final CpuPerc curCPU = cpus[i];
			// final double combinedUtilization = curCPU.getCombined();
			final CPUUtilizationRecord r = new CPUUtilizationRecord(timesource.getTime(),
					monitoringController.getHostname(), Integer.toString(i), curCPU.getUser(), curCPU.getSys(),
					curCPU.getWait(), curCPU.getNice(), curCPU.getIrq(), curCPU.getCombined(), curCPU.getIdle());
			monitoringController.newMonitoringRecord(r);
			// CPUsDetailedPercSampler.log.info("Sigar utilization: " + combinedUtilization
			// + "; " + " Record: " + r);
		}
	}
}
 

/**
 * getConfigInfo.
 * 
 * @return
 */
public Map<String, String> getConfigInfo() throws UnknownHostException, SigarException {
    log.info("getConfigInfo.");
    Map<String, String> configMap = new HashMap<>();
    String ip = getIp();
    log.debug("local ip:    " + ip);
    configMap.put("ip", ip);
    Mem mem = sigar.getMem();
    log.debug("memory total:    " + mem.getTotal() / 1024L + "K av");
    log.debug("memory used now:    " + mem.getUsed() / 1024L + "K used");
    configMap.put("memoryTotalSize", Long.toString(mem.getTotal() / 1024L));
    configMap.put("memoryUsedSize", Long.toString(mem.getUsed() / 1024L));
    CpuPerc cpu = sigar.getCpuPerc();
    CpuInfo[] infos = sigar.getCpuInfoList();
    log.debug("CPU mhz:    " + infos[0].getMhz());
    log.debug("CPU core number:    " + infos.length);
    configMap.put("cpuSize", Integer.toString(infos[0].getMhz()));
    configMap.put("cpuAmount", Integer.toString(infos.length));
    long total;
    long use;
    FileSystem[] fslist = sigar.getFileSystemList();
    log.debug("****fs " + fslist.length);
    use = sigar.getFileSystemUsage(constants.getMonitorDisk()).getUsed();
    total = sigar.getFileSystemUsage(constants.getMonitorDisk()).getTotal();
    log.debug("diskTotalSize:    " + total);
    log.debug("diskUsedSize:    " + use);
    configMap.put("diskTotalSize", Long.toString(total));
    configMap.put("diskUsedSize", Long.toString(use));
    return configMap;
}
 

private static void printCpuPerc(CpuPerc cpu) {
    System.out.println("CPU用户使用率:    " + CpuPerc.format(cpu.getUser()));// 用户使用率
    System.out.println("CPU系统使用率:    " + CpuPerc.format(cpu.getSys()));// 系统使用率
    System.out.println("CPU当前等待率:    " + CpuPerc.format(cpu.getWait()));// 当前等待率
    System.out.println("CPU当前错误率:    " + CpuPerc.format(cpu.getNice()));//
    System.out.println("CPU当前空闲率:    " + CpuPerc.format(cpu.getIdle()));// 当前空闲率
    System.out.println("CPU总的使用率:    " + CpuPerc.format(cpu.getCombined()));// 总的使用率
}
 

public CpuPerc cpu() throws SigarException {
        CpuPerc perc = sigar.getCpuPerc();
//        System.out.println("整体cpu的占用情况:");
//        System.out.println("空闲率: " + CpuPerc.format(perc.getIdle()));//获取当前cpu的空闲率
//        System.out.println("占用率: "+ CpuPerc.format(perc.getCombined()));//获取当前cpu的占用率
        return perc;
    }
 

@Before
public void setUp() {
	sigar = mock(Sigar.class);
	swap = mock(Swap.class);
	cpuPerc = mock(CpuPerc.class);
	cpuInfo = mock(CpuInfo.class);
	mem = mock(Mem.class);
	
	machineStatsChecker = new MachineStatsChecker();		
}
 

public void getValue(StringBuffer res) throws SigarException {
    CpuPerc cpu;
    if (coreID < 0) {
        cpu = sigarProxy.getCpuPerc();
    } else {
        cpu = sigarProxy.getCpuPercList()[coreID];
    }

    double val;
    switch (type) {

        case COMBINED:
            val = cpu.getCombined();
            break;
        case IDLE:
            val = cpu.getIdle();
            break;
        case IRQ:
            val = cpu.getIrq();
            break;
        case NICE:
            val = cpu.getNice();
            break;
        case SOFTIRQ:
            val = cpu.getSoftIrq();
            break;
        case STOLEN:
            val = cpu.getStolen();
            break;
        case SYSTEM:
            val = cpu.getSys();
            break;
        case USER:
            val = cpu.getUser();
            break;
        case IOWAIT:
            val = cpu.getWait();
            break;
        default:
            throw new SigarException("Unknown proc total type " + type);
    }

    if (!Double.isNaN(val)) {
        res.append(Double.toString(100 * val));
    } else {
        log.warn("Failed to get total cpu metric: " + types[type]);
    }
}
 

private BigDecimal getCpuRatio() throws SigarException {
    CpuPerc cpuPerc = sigar.getCpuPerc();
    return BigDecimal.valueOf(cpuPerc.getCombined() * 100);

}
 

public void setCpuPerc(CpuPerc cpuPerc) {
	this.cpuPerc = cpuPerc;
}
 

public CpuPerc getCpuPerc() {
	return cpuPerc;
}
 

public Cpu(CpuInfo cpuInfo, CpuPerc cpuPerc) {
	this.cpuInfo = cpuInfo;
	this.cpuPerc = cpuPerc;
}
 

public void setCpuPerc(CpuPerc cpuPerc) {
	this.cpuPerc = cpuPerc;
}
 

public CpuPerc getCpuPerc() {
	return cpuPerc;
}
 

public static CpuPerc getCpuPercJson(String url) {
	return getJson(url + "cpuPerc", CpuPerc.class);
}