Class: Stackflame

Inherits:
Object
  • Object
show all
Defined in:
lib/stackflame.rb,
lib/stackflame/version.rb

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.profile(mode: :cpu, &block) ⇒ Object 



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# File 'lib/stackflame.rb', line 6

def self.profile(mode: :cpu, &block)
  stackflame = self.new
  stackflame.run(mode, &block)
  stackflame.open_flamegraph
end

Instance Method Details

#open_flamegraph ⇒ Object 



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# File 'lib/stackflame.rb', line 20

def open_flamegraph
  if system("which osascript > /dev/null")
    # NOTE: `open` can't open path with query string
    `osascript -e 'open location "#{flamegraph_path}"'`
  else
    puts "This OS is not supported. Please open: #{flamegraph_path}"
  end
end

#run(mode, &block) ⇒ Object 



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# File 'lib/stackflame.rb', line 12

def run(mode, &block)
  result = StackProf.run(mode: mode, raw: true, &block)

  File.open(temp_js_path, 'w') do |f|
    StackProf::Report.new(result).print_flamegraph(f)
  end
end