Smartos style ps process from bluepill

gistfile1.txt

def ps_axu
  # TODO: need a mutex here
  store[:ps_axu] ||= begin
  
  if RbConfig::CONFIG["arch"] == "x86_64-solaris2.11"
    lines = `ps -eo pid,ppid,pcpu,rss,etime,comm`.split("\n")
  else
    # BSD style ps invocation
    lines = `ps axo pid,ppid,pcpu,rss,etime,command`.split("\n")
  end

  lines.inject(Hash.new) do |mem, line|
    chunks = line.split(/\s+/)
    chunks.delete_if {|c| c.strip.empty? }
    pid = chunks[IDX_MAP[:pid]].strip.to_i
    command = chunks.slice!(IDX_MAP[:command], chunks.length).join ' '
    chunks[IDX_MAP[:command]] = command
    mem[pid] = chunks.flatten
    mem
  end
end