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Daniel Berger edited this page Apr 3, 2017 · 11 revisions
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Description

The sys-proctable library provides an interface for gathering process table information. You can determine which processes are running on your system, and details about those processes.

Installation

gem install sys-proctable

It may be necessary to specify a platform:

gem install sys-proctable --platform mswin32 # Windows
gem install sys-proctable --platform darwin  # OS X
gem install sys-proctable --platform linux   # Linux
gem install sys-proctable --platform sunos   # Solaris
gem install sys-proctable --platform freebsd # FreeBSD
gem install sys-proctable --platform hpux    # HP-UX

Bundler

You may need to configure Bundler to install the proper version of sys-proctable:

bundle config specific_platform true

Otherwise, you may get an error or the code for the wrong OS.

Supported Platforms

  • Linux
  • FreeBSD
  • OS X (Darwin 10.7 or later)
  • MS Windows (Windows 7 or later)
  • Solaris (SunOS 2.8 or later)
  • HP-UX

Synopsis

require 'awesome_print'
require 'sys/proctable'
include Sys

ProcTable.ps{ |process|
   ap process
}

# Sample output from OS X

{
  :flags             => 20987952,
  :status            => 2,
  :xstatus           => 0,
  :pid               => 2781,
  :ppid              => 1,
  :uid               => 501,
  :gid               => 20,
  :ruid              => 501,
  :rgid              => 20,
  :svuid             => 501,
  :svgid             => 20,
  :rfu1              => 0,
  :comm              => "Vim",
  :name              => "Vim",
  :nfiles            => 25,
  :pgid              => 2781,
  :pjobc             => 0,
  :tdev              => 4294967295,
  :tpgid             => 0,
  :nice              => 0,
  :start_tvsec       => 1468938207,
  :start_tvusec      => 202961,
  :virtual_size      => 2643132416,
  :resident_size     => 15933440,
  :total_user        => 112080153,
  :total_system      => 30060156,
  :threads_user      => 109974372,
  :threads_system    => 27168589,
  :policy            => 1,
  :faults            => 4434,
  :pageins           => 0,
  :cow_faults        => 268,
  :messages_sent     => 1175,
  :messages_received => 515,
  :syscalls_mach     => 1867,
  :syscalls_unix     => 3912,
  :csw               => 574,
  :threadnum         => 2,
  :numrunning        => 0,
  :priority          => 31,
  :cmdline           => "Vim -f -g -g test.rb",
  :exe               => "/Applications/MacVim.app/Contents/MacOS/Vim",
  :environ           => {
    "RBENV_VERSION"              => "2.3.1",
    "TERM_PROGRAM"               => "Apple_Terminal",
    "SHELL"                      => "/bin/bash",
    "TERM"                       => "xterm-256color",
    "TMPDIR"                     => "/var/folders/kp/jdjh1k8504jbn2sxx63vslwm0000gn/T/",
    "Apple_PubSub_Socket_Render" => "/private/tmp/com.apple.launchd.fKF6y7dARt/Render",
    "TERM_PROGRAM_VERSION"       => "361.1",
    "TERM_SESSION_ID"            => "BDC09E8B-CE85-4A5A-A850-53CB4F126091",
    "USER"                       => "dberger",
    "SSH_AUTH_SOCK"              => "/private/tmp/com.apple.launchd.kStBvd1M96/Listeners",
    "__CF_USER_TEXT_ENCODING"    => "0x1F5:0x0:0x0",
    "PATH"                       => "/Users/dberger/.rbenv/shims:/Users/dberger/.rbenv/bin:/usr/local/opt/ruby/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/Library/TeX/texbin",
    "PWD"                        => "/Users/dberger/Dev/sys-proctable",
    "LANG"                       => "en_US.UTF-8",
    "XPC_FLAGS"                  => "0x0",
    "RBENV_SHELL"                => "bash",
    "XPC_SERVICE_NAME"           => "0",
    "SHLVL"                      => "1",
    "HOME"                       => "/Users/dberger",
    "LOGNAME"                    => "dberger",
    "DISPLAY"                    => "/private/tmp/com.apple.launchd.OZvR9MxiYW/org.macosforge.xquartz:0",
    "SECURITYSESSIONID"          => "186a8",
    "VIM"                        => "/Applications/MacVim.app/Contents/Resources/vim",
    "VIMRUNTIME"                 => "/Applications/MacVim.app/Contents/Resources/vim/runtime"
  },
  :threadinfo        => [
    [0] {
      :user_time   => 109067000,
      :system_time => 22207000,
      :cpu_usage   => 0,
      :policy      => 1,
      :run_state   => 3,
      :flags       => 1,
      :sleep_time  => 0,
      :curpri      => 31,
      :priority    => 31,
      :maxpriority => 63,
      :name        => ""
    },
    [1] {
      :user_time   => 907000,
      :system_time => 4961000,
      :cpu_usage   => 0,
      :policy      => 1,
      :run_state   => 3,
      :flags       => 1,
      :sleep_time  => 0,
      :curpri      => 31,
      :priority    => 31,
      :maxpriority => 63,
      :name        => ""
    }
  ]
}