Class: Pwrake::ShellProfiler

Inherits:
Object
  • Object
show all
Defined in:
lib/pwrake/branch/shell_profiler.rb

Constant Summary collapse

HEADER_FOR_PROFILE = 
%w[exec_id task_id task_name command
start_time end_time elap_time host status]
HEADER_FOR_GNU_TIME = 
%w[realtime systime usrtime maxrss averss memsz
datasz stcksz textsz pagesz majflt minflt nswap ncswinv
ncswvol ninp nout msgrcv msgsnd signum]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ShellProfiler

Returns a new instance of ShellProfiler.



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# File 'lib/pwrake/branch/shell_profiler.rb', line 16

def initialize
  @lock = Mutex.new
  @gnu_time = false
  @id = 0
  @io = nil
end

Class Method Details

.format_time(t) ⇒ Object 



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# File 'lib/pwrake/branch/shell_profiler.rb', line 84

def self.format_time(t)
  t.strftime("%F %T.%L")
end

Instance Method Details

#_puts(s) ⇒ Object 



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# File 'lib/pwrake/branch/shell_profiler.rb', line 49

def _puts(s)
  @lock.synchronize do
    @io.puts(s) if @io
  end
end

#close ⇒ Object 



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# File 'lib/pwrake/branch/shell_profiler.rb', line 36

def close
  t = Time.now
  profile(nil,nil,'pwrake_profile_end',t,t)
  @lock.synchronize do
    @io.close if @io != nil
    @io = nil
  end
  if @plot
    require 'pwrake/report'
    Parallelism.plot_parallelism(@file)
  end
end

#format_time(t) ⇒ Object

def command(cmd,terminator)

  if @gnu_time
    if /\*|\?|\{|\}|\[|\]|<|>|\(|\)|\~|\&|\||\\|\$|;|`|\n/ =~ cmd
      cmd = cmd.gsub(/'/,"'\"'\"'")
      cmd = "sh -c '#{cmd}'"
    end
    f = %w[%x %e %S %U %M %t %K %D %p %X %Z %F %R %W %c %w %I %O %r
           %s %k].join(@separator)
    "/usr/bin/time -o /dev/stdout -f '#{terminator}:#{f}' #{cmd}"
  else
    "#{cmd}\necho '#{terminator}':$? "
  end
end #`



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# File 'lib/pwrake/branch/shell_profiler.rb', line 79

def format_time(t)
  #t.utc.strftime("%F %T.%L")
  t.strftime("%F %T.%L")
end

#open(file, gnu_time = false, plot = false) ⇒ Object 



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# File 'lib/pwrake/branch/shell_profiler.rb', line 23

def open(file,gnu_time=false,plot=false)
  @file = file
  @gnu_time = gnu_time
  @plot = plot
  @lock.synchronize do
    @io.close if @io != nil
    @io = CSV.open(file,"w")
  end
  _puts table_header
  t = Time.now
  profile(nil,nil,'pwrake_profile_start',t,t)
end

#profile(task_id, task_name, cmd, start_time, end_time, host = nil, status = nil) ⇒ Object 



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# File 'lib/pwrake/branch/shell_profiler.rb', line 88

def profile(task_id, task_name, cmd, start_time, end_time, host=nil, status=nil)
  id = @lock.synchronize do
    id = @id
    @id += 1
    id
  end
  if @io
    _puts [ id, task_id, task_name, cmd,
           format_time(start_time),
           format_time(end_time),
           "%.3f" % (end_time-start_time),
           host, status ]
  end
  case status
  when ""
    1
  when Integer
    status
  when String
    if @gnu_time
      if /^([^,]*),/ =~ status
        Integer($1)
      else
        status
      end
    else
      if /^\d+$/ =~ status
        Integer(status)
      else
        status
      end
    end
  end
end

#table_header ⇒ Object 



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# File 'lib/pwrake/branch/shell_profiler.rb', line 55

def table_header
  a = HEADER_FOR_PROFILE
  if @gnu_time
    a += HEADER_FOR_GNU_TIME
  end
  a
end