Method Details

• isWsl

  public boolean isWsl()

  Returns:

  whether this java process is running in Windows Subsystem for Linux environment.

• getSystemIdleTicks

  public long getSystemIdleTicks()

  Returns:

  ticks the system was idle. in general: idle + busy == 100%

• getSystemTotalTicks

  public long getSystemTotalTicks()

  Returns:

  ticks the system was up.

• getProcessTotalTicks

  public long getProcessTotalTicks()

  Returns:

  ticks this process was running.

• getCpuTicks

  public long[][] getCpuTicks()

  Array of ticks. [cpu number][tick type] tick types are: [0] user ticks [1] system ticks [2] other ticks (i/o) [3] idle ticks

  Returns:

  ticks array for each cpu of the system.

• getProcessRss

  public long getProcessRss()

  Returns:

  resident set size (RSS) of this process.

• getProcessCpusAllowed

  public int getProcessCpusAllowed()

  Returns:

  number of CPUs allowed by this process.

• getProcessNumOpenFds

  public int getProcessNumOpenFds()

  Returns:

  number of currently open fds of this process.

• getProcessID

  public String getProcessID()

  Returns:

  process id for this node as a String.

• read

  public void read()

  Read and parse data from /proc/stat and /proc/<pid>/stat. If this doesn't work for some reason, the values will be -1.

• valid

  public boolean valid()

  Returns:

  true if all the values are ok to use; false otherwise.

• numSetBitsHex

  public static int numSetBitsHex(String s)

  Returns:

  number of set bits in hexadecimal string (chars must be 0-F)