/**
* 功能描述: 计算总的CPU时间
*
* @param cpuModel
* @return
* @see [相关类/方法](可选)
* @since [产品/模块版本](可选)
*/
private long sumTotalCpuTime(CpuModel cpuModel) {
return cpuModel.getUserTime()
+ cpuModel.getNiceTime()
+ cpuModel.getSysTime()
+ cpuModel.getIdleTime()
+ cpuModel.getIowaitTime()
+ cpuModel.getIrqTime()
+ cpuModel.getSoftirqTime()
+ cpuModel.getStealstolenTime()
+ cpuModel.getGuestTime();
}
@Override
public CpuInfoModel doHandle(String[] cmd) {
if (null == cmd || cmd.length < 1) {
LOGGER.warn("cmdArray is empty!");
return null;
}
LOGGER.info("start excute the command : " + cmd);
// 当前的CPU模型
CpuInfoModel cpuModelInfo = new CpuInfoModel();
List<CpuModel> cpuList = new ArrayList<CpuModel>();
CmdResult cmdResult = getCmdOperateService().execute(cmd);
List<String> comResultList = cmdResult.getCommonResList();
if (comResultList != null && comResultList.size() > 0) {
for (String result : comResultList) {
result = result.trim();
LOGGER.debug(result);
Matcher m = Pattern.compile("^[1-9][0-9]*$").matcher(result);
if (m.find()) {
cpuModelInfo.setCpuNumber(Integer.parseInt(m.group()));
}
if (result.indexOf(MetricsConstant.CPU_LOAD) != -1) {
float[] loadValue = parseFloatArry(result);
cpuModelInfo.setLoadValue(loadValue);
}
if (result.startsWith(MetricsConstant.CPU_PREFIX)) {
// 第一个放进去的始终是总的CPU信息
String[] data = result.split("\\s+");
CpuModel cpuModel = new CpuModel();
cpuModel.setUserTime(Long.parseLong(data[1]));
cpuModel.setNiceTime(Long.parseLong(data[2]));
cpuModel.setSysTime(Long.parseLong(data[3]));
cpuModel.setIdleTime(Long.parseLong(data[4]));
cpuModel.setIowaitTime(Long.parseLong(data[5]));
cpuModel.setIrqTime(Long.parseLong(data[6]));
cpuModel.setSoftirqTime(Long.parseLong(data[7]));
cpuModel.setStealstolenTime(Long.parseLong(data[8]));
if (data.length > 9) {
cpuModel.setGuestTime(Long.parseLong(data[9]));
}
cpuModel.setTotalCpuTime(sumTotalCpuTime(cpuModel));
cpuList.add(cpuModel);
}
}
cpuModelInfo.setCpuList(cpuList);
}
// 要返回的CPU模型
CpuInfoModel retCpuInfoModel = new CpuInfoModel();
retCpuInfoModel.setCpuNumber(cpuModelInfo.getCpuNumber());
retCpuInfoModel.setLoadValue(cpuModelInfo.getLoadValue());
List<CpuModel> cpus = new ArrayList<CpuInfoModel.CpuModel>();
if (prevInfoModel == null) {
prevInfoModel = ObjectCopyHelper.cpoyObject(cpuModelInfo);
cpuModelInfo = null;
return prevInfoModel;
} else {
for (int index = 0; index < prevInfoModel.getCpuList().size(); index++) {
// 存放两次CPU采样之间的时间差值
CpuModel currentCpuModel = cpuModelInfo.getCpuList().get(index);
CpuModel preCpuModel = prevInfoModel.getCpuList().get(index);
CpuModel model = saveModel(currentCpuModel, preCpuModel);
cpus.add(model);
}
}
retCpuInfoModel.setCpuList(cpus);
// 用当前的CPU模型覆盖上一次采样的CPU模型
prevInfoModel = ObjectCopyHelper.cpoyObject(cpuModelInfo);
cpuModelInfo = null;
return retCpuInfoModel;
}
private CpuModel saveModel(CpuModel currentCpuModel, CpuModel preCpuModel) {
CpuModel model = new CpuModel();
model.setUserTime(currentCpuModel.getUserTime() - preCpuModel.getUserTime());
model.setNiceTime(currentCpuModel.getNiceTime() - preCpuModel.getNiceTime());
model.setSysTime(currentCpuModel.getSysTime() - preCpuModel.getSysTime());
model.setIdleTime(currentCpuModel.getIdleTime() - preCpuModel.getIdleTime());
model.setIowaitTime(currentCpuModel.getIowaitTime() - preCpuModel.getIowaitTime());
model.setIrqTime(currentCpuModel.getIrqTime() - preCpuModel.getIrqTime());
model.setSoftirqTime(currentCpuModel.getSoftirqTime() - preCpuModel.getSoftirqTime());
model.setStealstolenTime(
currentCpuModel.getStealstolenTime() - preCpuModel.getStealstolenTime());
model.setGuestTime(currentCpuModel.getGuestTime() - preCpuModel.getGuestTime());
model.setTotalCpuTime(currentCpuModel.getTotalCpuTime() - preCpuModel.getTotalCpuTime());
return model;
}