/** @return The index of the Process, typically starting at 0 */
public String listProcesses() {
StringBuffer procNames = new StringBuffer();
for (int i = 0; i < ids.length; i++) {
try {
int id = (int) ((ProcessInfo) procinfo.get(i)).getPID(i);
procNames
.append(
id
+ " "
+ ((ProcessInfo) procinfo.get(i)).getUser(id)
+ " "
+ ((ProcessInfo) procinfo.get(i)).getStartTime(id)
+ " "
+ Sigar.formatSize((long) ((ProcessInfo) procinfo.get(i)).getMemoryUsage(id))
+ " "
+ Sigar.formatSize((long) ((ProcessInfo) procinfo.get(i)).getSwapDimension(id))
+ " "
+ ((ProcessInfo) procinfo.get(i)).getState(id)
+ " "
+ ((ProcessInfo) procinfo.get(i)).getPriority(id)
+ " "
+ ((ProcessInfo) procinfo.get(i)).getExecutionTime(id)
+ " "
+ ((ProcessInfo) procinfo.get(i)).getCommand(id))
.append("\n");
} catch (SigarException ex) {
Logger.getLogger(ProcessInfojmx.class.getName()).log(Level.SEVERE, null, ex);
}
}
return procNames.toString();
}
public static FileDeviceSystem getFileDeviceEntity(FileSystem fs) throws SigarException {
long used, avail, total, pct;
FileDeviceSystem fileDeviceSystem = new FileDeviceSystem();
try {
FileSystemUsage usage;
if (fs instanceof NfsFileSystem) {
NfsFileSystem nfs = (NfsFileSystem) fs;
if (!nfs.ping()) {
log.error(nfs.getUnreachableMessage());
return null;
}
}
usage = sigar.getFileSystemUsage(fs.getDirName());
used = usage.getTotal() - usage.getFree();
avail = usage.getAvail();
total = usage.getTotal();
pct = (long) (usage.getUsePercent() * 100);
} catch (SigarException e) {
log.warn("通过sigar的API获取文件系统信息时出错：" + e.toString());
used = avail = total = pct = 0;
}
String usePct;
if (pct == 0) {
usePct = "-";
} else {
usePct = pct + "%";
}
fileDeviceSystem.setDeviceName(fs.getDevName());
fileDeviceSystem.setSize(Sigar.formatSize(total * 1024));
fileDeviceSystem.setAvail(Sigar.formatSize(avail * 1024));
fileDeviceSystem.setUsed(Sigar.formatSize(used * 1024));
fileDeviceSystem.setUsePercent(usePct);
fileDeviceSystem.setMountedOn(fs.getDirName());
fileDeviceSystem.setTypeName(fs.getTypeName());
fileDeviceSystem.setSysTypeName(fs.getSysTypeName());
return fileDeviceSystem;
}
