App-Context

 view release on metacpan or  search on metacpan

lib/App/Context.pm  view on Meta::CPAN

    my ($self, @pids) = @_;
    @pids = ($$) if ($#pids == -1);
    my ($pid, $proc);
    my $procs = {};
    foreach $pid (@pids) {
        $proc = {};
        $procs->{$pid} = $proc;
        # print "FILE: /proc/$$/status\n";
        if (open(App::Context::FILE, "/proc/$$/status")) {
            while (<App::Context::FILE>) {
                if (/^Vm([A-Za-z]+):\s*([0-9]+)/) {
                    $proc->{lc($1)} = $2;
                }
            }
            close(App::Context::FILE);
            $proc->{text} = $proc->{exe} + $proc->{lib};
        }
        else {
            $self->log("ERROR: Can't open /proc/$$/status: $!");
        }
    }
    return($procs);
}

# http://www.comptechdoc.org/os/linux/howlinuxworks/linux_hlproc.html
#stat - Status information about the process used by the ps(1) command. Fields are:
# 31137  (bash)     S       19885      31137      31137     34841     651        0          1450
# 185030 316        14024   1          3          687       715       14         0          0
# 0      1792102651 4403200 361        4294967295 134512640 135217536 3221217344 3221216648 1074425592
# 0      65536      3686404 1266761467 3222400107 0         0         17         2
#   1. pid - Process id
#   2. comm - The executable filename
#   3. state - R (running), S(sleeping interruptable), D(sleeping), Z(zombie), or T(stopped on a signal).
#   4. ppid - Parent process ID
#   5. pgrp - Process group ID
#   6. session - The process session ID.
#   7. tty - The tty the process is using
#   8. tpgid - The process group ID of the owning process of the tty the current process is connected to.
#   9. flags - Process flags, currently with bugs
#  10. minflt - Minor faults the process has made
#  11. cminflt - Minor faults the process and its children have made.
#  12. majflt
#  13. cmajflt
#  14. utime - The number of jiffies (processor time) that this process has been scheduled in user mode
#  15. stime - in kernel mode
#  16. cutime - This process and its children in user mode
#  17. cstime - in kernel mode
#  18. counter - The maximum time of this processes next time slice.
#  19. priority - The priority of the nice(1) (process priority) value plus fifteen.
#  20. timeout - The time in jiffies of the process's next timeout.
#  21. itrealvalue - The time in jiffies before the next SIGALRM is sent to the process because of an internal timer.
#  22. starttime - Time the process started after system boot
#  23. vsize - Virtual memory size
#  24. rlim - Current limit in bytes of the rss of the process.
#  25. startcode - The address above which program text can run.
#  26. endcode - The address below which program text can run.
#  27. startstack - The address of the start of the stack
#  28. kstkesp - The current value of esp for the process as found in the kernel stack page.
#  29. kstkeip - The current 32 bit instruction pointer, EIP.
#  30. signal - The bitmap of pending signals
#  31. blocked - The bitmap of blocked signals
#  32. sigignore - The bitmap of ignored signals
#  33. sigcatch - The bitmap of catched signals
#  34. wchan - The channel in which the process is waiting. The "ps -l" command gives somewhat of a list. 

sub get_proc_info2 {
    my ($self, @pids) = @_;
    @pids = ($$) if ($#pids == -1);
    my ($pid, $proc);
    my $procs = {};
    foreach $pid (@pids) {
        $proc = {};
        $procs->{$pid} = $proc;
        # print "FILE: /proc/$$/status\n";
        if (open(App::Context::FILE, "/proc/$$/stat")) {
            my $line = <App::Context::FILE>;
            my @f = split(/ +/, $line);
            close(App::Context::FILE);
            $proc->{cutime} = $f[15];
            $proc->{cstime} = $f[16];
            $proc->{vsize}  = $f[22];
        }
        else {
            $self->log("ERROR: Can't open /proc/$$/stat: $!");
        }
    }
    return($procs);
}

1;



( run in 0.748 second using v1.01-cache-2.11-cpan-0bb4e1dffa6 )