Class: RokuBuilder::Profiler

Inherits:
Util
  • Object
show all
Extended by:
Plugin
Defined in:
lib/roku_builder/plugins/profiler.rb

Overview

Scene Graph Profiler

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Plugin

commands, dependencies, parse_options, validate

Methods inherited from Util

#initialize

Constructor Details

This class inherits a constructor from RokuBuilder::Util

Class Method Details

.commands ⇒ Object 



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# File 'lib/roku_builder/plugins/profiler.rb', line 9

def self.commands
  {
    profile: {device: true},
    sgperf: {device: true},
    devlog: {device: true},
    node_tracking: {device: true}
  }
end

.parse_options(parser:, options:) ⇒ Object 



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# File 'lib/roku_builder/plugins/profiler.rb', line 18

def self.parse_options(parser:, options:)
  parser.separator "Commands:"
  parser.on("--profile COMMAND", "Run various profiler options") do |c|
    options[:profile] = c
  end
  parser.on("--sgperf", "Run scenegraph profiler") do
    options[:sgperf] = true
  end
  parser.on("--devlog FUNCTION [TYPE]", "Run scenegraph profiler") do |f, t|
    options[:devlog] = t || "rendezvous"
    options[:devlog_function] = f
  end
  parser.on("--node-tracking [INTERVAL]", "Take snapshots of the current nodes and print difference since last snapshot") do |interval|
    options[:node_tracking] = true
    options[:node_tracking_interval] = interval
  end
  parser.separator "Options:"
  parser.on("--add-ids", "Add ids to stats command") do
    options[:add_ids] = true
  end
end

Instance Method Details

#devlog(options:) ⇒ Object 



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# File 'lib/roku_builder/plugins/profiler.rb', line 102

def devlog(options:)
  telnet_config = nil
  get_device(no_lock: true) do |device|
    telnet_config ={
      'Host' => device.ip,
      'Port' => 8080
    }
  end
  connection = Net::Telnet.new(telnet_config)
  connection.puts("enhanced_dev_log #{options[:devlog]} #{options[:devlog_function]}\n")
end

#node_tracking(options:) ⇒ Object 



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# File 'lib/roku_builder/plugins/profiler.rb', line 114

def node_tracking(options:)
  @options = options
  @connection = nil
  begin
    current_nodes = nil
    previous_nodes = nil
    while true
      current_nodes = get_stats
      diff = diff_node_stats(current_nodes, previous_nodes)
      print_stats(stats: diff)
      previous_nodes = current_nodes
      current_nodes = nil
      STDIN.read(1)
    end
  rescue SystemExit, Interrupt
    @connection.close if @connection
  end
end

#profile(options:) ⇒ Object

Run the profiler commands

Parameters:

  • command (Symbol) —

    The profiler command to run



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# File 'lib/roku_builder/plugins/profiler.rb', line 42

def profile(options:)
  @options = options
  @connection = nil
  case options[:profile].to_sym
  when :stats
    print_all_node_stats
  when :all
    print_all_nodes
  when :roots
    print_root_nodes
  when :images
    print_image_information
  when :memmory
    print_memmory_usage
  when :textures
    print_texture_information
  else
    print_nodes_by_id(options[:profile])
  end
  @connection.close if @connection
end

#sgperf(options:) ⇒ Object 



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# File 'lib/roku_builder/plugins/profiler.rb', line 64

def sgperf(options:)
  telnet_config = nil
  get_device(no_lock: true) do |device|
    telnet_config ={
      'Host' => device.ip,
      'Port' => 8080
    }
  end
  @connection = Net::Telnet.new(telnet_config)
  @connection.puts("sgperf clear\n")
  @connection.puts("sgperf start\n")
  start_reg = /thread/
  end_reg = /#{SecureRandom.uuid}/
  prev_lines = 0
  begin
  while true
    lines = get_command_response(command: "sgperf report", start_reg: start_reg,
      end_reg: end_reg, ignore_warnings: true)
    results = []
    lines.each do |line|
      match = /thread node calls: create\s*(\d*) \+ op\s*(\d*)\s*@\s*(\d*\.\d*)% rendezvous/.match(line)
      results.push([match[1].to_i, match[2].to_i, match[3].to_f])
    end
    print "\r" + ("\e[A\e[K"*prev_lines)
    prev_lines = 0
    results.each_index do |i|
      line = results[i]
      if line[0] > 0 or line[1] > 0 or options[:verbose]
        prev_lines += 1
        puts "Thread #{i}: c:#{line[0]} u:#{line[1]} r:#{line[2]}%"
      end
    end
  end
  rescue SystemExit, Interrupt
    @connection.close if @connection
  end
end