Enum ProcessStat.PidStat

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<ProcessStat.PidStat>
    Enclosing class:
    ProcessStat

    public static enum ProcessStat.PidStat
    extends java.lang.Enum<ProcessStat.PidStat>
    Enum corresponding to the fields in the output of /proc/[pid]/stat
    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description
      ARG_END
      Address below program command-line arguments (argv) are placed.
      ARG_START
      Address above which program command-line arguments (argv) are placed.
      BLOCKED
      The bitmap of blocked signals, displayed as a decimal number.
      CGUEST_TIME
      Guest time of the process's children, measured in clock ticks.
      CMAJFLT
      The number of major faults that the process's waited-for children have made.
      CMINFLT
      The number of minor faults that the process's waited-for children have made.
      CNSWAP
      Cumulative nswap for child processes (not maintained).
      COMM
      The filename of the executable.
      CSTIME
      Amount of time that this process's waited-for children have been scheduled in kernel mode, measured in clock ticks.
      CUTIME
      Amount of time that this process's waited-for children have been scheduled in user mode, measured in clock ticks.
      DELAYACCT_BLKIO_TICKS
      Aggregated block I/O delays, measured in clock ticks (centiseconds).
      END_DATA
      Address below which program initialized and uninitialized (BSS) data are placed.
      ENDCODE
      The address below which program text can run.
      ENV_END
      Address below which program environment is placed.
      ENV_START
      Address above which program environment is placed.
      EXIT_CODE
      The thread's exit status in the form reported by waitpid(2).
      EXIT_SIGNAL
      Signal to be sent to parent when we die.
      FLAGS
      The kernel flags word of the process.
      GUEST_TIME
      Guest time of the process (time spent running a vir‐ tual CPU for a guest operating system), measured in clock ticks.
      ITREALVALUE
      The time in jiffies before the next SIGALRM is sent to the process due to an interval timer.
      KSTKEIP
      The current EIP (instruction pointer).
      KSTKESP
      The current value of ESP (stack pointer), as found in the kernel stack page for the process.
      MAJFLT
      The number of major faults the process has made which have required loading a memory page from disk.
      MINFLT
      The number of minor faults the process has made which have not required loading a memory page from disk.
      NICE
      The nice value (see setpriority(2)), a value in the range 19 (low priority) to -20 (high priority).
      NSWAP
      Number of pages swapped (not maintained).
      NUM_THREADS
      Number of threads in this process.
      PGRP
      The process group ID of the process.
      PID
      The process ID.
      POLICY
      Scheduling policy (see sched_setscheduler(2)).
      PPID
      The PID of the parent of this process.
      PRIORITY
      For processes running a real-time scheduling policy (policy below; see sched_setscheduler(2)), this is the negated scheduling priority, minus one; that is, a number in the range -2 to -100, corresponding to real-time priorities 1 to 99.
      PROCESSOR
      CPU number last executed on.
      PTGID
      The ID of the foreground process group of the controlling terminal of the process.
      RSS
      Resident Set Size: number of pages the process has in real memory.
      RSSLIM
      Current soft limit in bytes on the rss of the process; see the description of RLIMIT_RSS in getrlimit(2).
      RT_PRIORITY
      Real-time scheduling priority, a number in the range 1 to 99 for processes scheduled under a real-time policy, or 0, for non-real-time processes (see sched_setscheduler(2)).
      SESSION
      The session ID of the process.
      SIGCATCH
      The bitmap of caught signals, displayed as a decimal number.
      SIGIGNORE
      The bitmap of ignored signals, displayed as a decimal number.
      SIGNAL
      The bitmap of pending signals, displayed as a decimal number.
      START_BRK
      Address above which program heap can be expanded with brk(2).
      START_DATA
      Address above which program initialized and uninitialized (BSS) data are placed.
      STARTCODE
      The address above which program text can run.
      STARTSTACK
      The address of the start (i.e., bottom) of the stack.
      STARTTIME
      The time the process started after system boot, in clock ticks.
      STATE
      One of the following characters, indicating process state:
      STIME
      Amount of time that this process has been scheduled in kernel mode, measured in clock ticks.
      TTY_NR
      The controlling terminal of the process.
      UTIME
      Amount of time that this process has been scheduled in user mode, measured in clock ticks.
      VSIZE
      Virtual memory size in bytes.
      WCHAN
      This is the "channel" in which the process is waiting.
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private PidStat()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static ProcessStat.PidStat valueOf​(java.lang.String name)
      Returns the enum constant of this type with the specified name.
      static ProcessStat.PidStat[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      • Methods inherited from class java.lang.Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait
    • Enum Constant Detail

      • STATE

        public static final ProcessStat.PidStat STATE
        One of the following characters, indicating process state:

        R Running

        S Sleeping in an interruptible wait

        D Waiting in uninterruptible disk sleep

        Z Zombie

        T Stopped (on a signal) or (before Linux 2.6.33) trace stopped

        t Tracing stop (Linux 2.6.33 onward)

        W Paging (only before Linux 2.6.0)

        X Dead (from Linux 2.6.0 onward)

        x Dead (Linux 2.6.33 to 3.13 only)

        K Wakekill (Linux 2.6.33 to 3.13 only)

        W Waking (Linux 2.6.33 to 3.13 only)

        P Parked (Linux 3.9 to 3.13 only)

      • TTY_NR

        public static final ProcessStat.PidStat TTY_NR
        The controlling terminal of the process. (The minor device number is contained in the combination of bits 31 to 20 and 7 to 0; the major device number is in bits 15 to 8.)
      • PTGID

        public static final ProcessStat.PidStat PTGID
        The ID of the foreground process group of the controlling terminal of the process.
      • FLAGS

        public static final ProcessStat.PidStat FLAGS
        The kernel flags word of the process. For bit meanings, see the PF_* defines in the Linux kernel source file include/linux/sched.h. Details depend on the kernel version.
      • MINFLT

        public static final ProcessStat.PidStat MINFLT
        The number of minor faults the process has made which have not required loading a memory page from disk.
      • CMINFLT

        public static final ProcessStat.PidStat CMINFLT
        The number of minor faults that the process's waited-for children have made.
      • MAJFLT

        public static final ProcessStat.PidStat MAJFLT
        The number of major faults the process has made which have required loading a memory page from disk.
      • CMAJFLT

        public static final ProcessStat.PidStat CMAJFLT
        The number of major faults that the process's waited-for children have made.
      • UTIME

        public static final ProcessStat.PidStat UTIME
        Amount of time that this process has been scheduled in user mode, measured in clock ticks. This includes guest time, cguest_time (time spent running a virtual CPU), so that applications that are not aware of the guest time field do not lose that time from their calculations.
      • STIME

        public static final ProcessStat.PidStat STIME
        Amount of time that this process has been scheduled in kernel mode, measured in clock ticks.
      • CUTIME

        public static final ProcessStat.PidStat CUTIME
        Amount of time that this process's waited-for children have been scheduled in user mode, measured in clock ticks. This includes guest time, cguest_time (time spent running a virtual CPU).
      • CSTIME

        public static final ProcessStat.PidStat CSTIME
        Amount of time that this process's waited-for children have been scheduled in kernel mode, measured in clock ticks.
      • PRIORITY

        public static final ProcessStat.PidStat PRIORITY
        For processes running a real-time scheduling policy (policy below; see sched_setscheduler(2)), this is the negated scheduling priority, minus one; that is, a number in the range -2 to -100, corresponding to real-time priorities 1 to 99. For processes running under a non-real-time scheduling policy, this is the raw nice value (setpriority(2)) as represented in the kernel. The kernel stores nice values as numbers in the range 0 (high) to 39 (low), corresponding to the user-visible nice range of -20 to 19.
      • NICE

        public static final ProcessStat.PidStat NICE
        The nice value (see setpriority(2)), a value in the range 19 (low priority) to -20 (high priority).
      • NUM_THREADS

        public static final ProcessStat.PidStat NUM_THREADS
        Number of threads in this process.
      • ITREALVALUE

        public static final ProcessStat.PidStat ITREALVALUE
        The time in jiffies before the next SIGALRM is sent to the process due to an interval timer. Since ker‐nel 2.6.17, this field is no longer maintained, and is hard coded as 0.
      • STARTTIME

        public static final ProcessStat.PidStat STARTTIME
        The time the process started after system boot, in clock ticks.
      • RSS

        public static final ProcessStat.PidStat RSS
        Resident Set Size: number of pages the process has in real memory. This is just the pages which count toward text, data, or stack space. This does not include pages which have not been demand-loaded in, or which are swapped out.
      • RSSLIM

        public static final ProcessStat.PidStat RSSLIM
        Current soft limit in bytes on the rss of the process; see the description of RLIMIT_RSS in getrlimit(2).
      • STARTCODE

        public static final ProcessStat.PidStat STARTCODE
        The address above which program text can run.
      • ENDCODE

        public static final ProcessStat.PidStat ENDCODE
        The address below which program text can run.
      • STARTSTACK

        public static final ProcessStat.PidStat STARTSTACK
        The address of the start (i.e., bottom) of the stack.
      • KSTKESP

        public static final ProcessStat.PidStat KSTKESP
        The current value of ESP (stack pointer), as found in the kernel stack page for the process.
      • KSTKEIP

        public static final ProcessStat.PidStat KSTKEIP
        The current EIP (instruction pointer).
      • SIGNAL

        public static final ProcessStat.PidStat SIGNAL
        The bitmap of pending signals, displayed as a decimal number. Obsolete, because it does not provide information on real-time signals; use /proc/[pid]/status instead.
      • BLOCKED

        public static final ProcessStat.PidStat BLOCKED
        The bitmap of blocked signals, displayed as a decimal number. Obsolete, because it does not provide information on real-time signals; use /proc/[pid]/status instead.
      • SIGIGNORE

        public static final ProcessStat.PidStat SIGIGNORE
        The bitmap of ignored signals, displayed as a decimal number. Obsolete, because it does not provide information on real-time signals; use /proc/[pid]/status instead.
      • SIGCATCH

        public static final ProcessStat.PidStat SIGCATCH
        The bitmap of caught signals, displayed as a decimal number. Obsolete, because it does not provide information on real-time signals; use /proc/[pid]/status instead.
      • WCHAN

        public static final ProcessStat.PidStat WCHAN
        This is the "channel" in which the process is waiting. It is the address of a location in the kernel where the process is sleeping. The corresponding symbolic name can be found in /proc/[pid]/wchan.
      • NSWAP

        public static final ProcessStat.PidStat NSWAP
        Number of pages swapped (not maintained).
      • CNSWAP

        public static final ProcessStat.PidStat CNSWAP
        Cumulative nswap for child processes (not maintained).
      • EXIT_SIGNAL

        public static final ProcessStat.PidStat EXIT_SIGNAL
        Signal to be sent to parent when we die.
      • RT_PRIORITY

        public static final ProcessStat.PidStat RT_PRIORITY
        Real-time scheduling priority, a number in the range 1 to 99 for processes scheduled under a real-time policy, or 0, for non-real-time processes (see sched_setscheduler(2)).
      • POLICY

        public static final ProcessStat.PidStat POLICY
        Scheduling policy (see sched_setscheduler(2)). Decode using the SCHED_* constants in linux/sched.h.
      • DELAYACCT_BLKIO_TICKS

        public static final ProcessStat.PidStat DELAYACCT_BLKIO_TICKS
        Aggregated block I/O delays, measured in clock ticks (centiseconds).
      • GUEST_TIME

        public static final ProcessStat.PidStat GUEST_TIME
        Guest time of the process (time spent running a vir‐ tual CPU for a guest operating system), measured in clock ticks.
      • CGUEST_TIME

        public static final ProcessStat.PidStat CGUEST_TIME
        Guest time of the process's children, measured in clock ticks.
      • START_DATA

        public static final ProcessStat.PidStat START_DATA
        Address above which program initialized and uninitialized (BSS) data are placed.
      • END_DATA

        public static final ProcessStat.PidStat END_DATA
        Address below which program initialized and uninitialized (BSS) data are placed.
      • START_BRK

        public static final ProcessStat.PidStat START_BRK
        Address above which program heap can be expanded with brk(2).
      • ARG_START

        public static final ProcessStat.PidStat ARG_START
        Address above which program command-line arguments (argv) are placed.
      • ARG_END

        public static final ProcessStat.PidStat ARG_END
        Address below program command-line arguments (argv) are placed.
      • ENV_START

        public static final ProcessStat.PidStat ENV_START
        Address above which program environment is placed.
      • ENV_END

        public static final ProcessStat.PidStat ENV_END
        Address below which program environment is placed.
      • EXIT_CODE

        public static final ProcessStat.PidStat EXIT_CODE
        The thread's exit status in the form reported by waitpid(2).
    • Constructor Detail

      • PidStat

        private PidStat()
    • Method Detail

      • values

        public static ProcessStat.PidStat[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
        for (ProcessStat.PidStat c : ProcessStat.PidStat.values())
            System.out.println(c);
        
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf

        public static ProcessStat.PidStat valueOf​(java.lang.String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null