Class: Stackviz

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

Constant Summary collapse

VERSION = 
"0.0.1"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Stackviz

Returns a new instance of Stackviz.



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# File 'lib/stackviz.rb', line 11

def initialize(path)
  return @path = path if path

  temp  = `mktemp /tmp/stackviz-XXXXXXXX`.strip
  @path = "#{temp}.gif"
  `mv #{temp} #{@path}`
end

Class Method Details

.profile(mode: :cpu, path: nil, open: true, &block) ⇒ Object 



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# File 'lib/stackviz.rb', line 5

def self.profile(mode: :cpu, path: nil, open: true, &block)
  stackviz = self.new(path)
  stackviz.run(mode, &block)
  stackviz.open_graph if open
end

Instance Method Details

#open_graph ⇒ Object 



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# File 'lib/stackviz.rb', line 34

def open_graph
  system("open #{@path}")
end

#run(mode, &block) ⇒ Object 



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# File 'lib/stackviz.rb', line 19

def run(mode, &block)
  ensure_dot_existence

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

  Tempfile.open('stackviz') do |f|
    StackProf::Report.new(result).print_graphviz(nil, f)
    f.flush

    File.open(@path, 'w') do |graph|
      `dot -Tgif #{f.path} -o #{graph.path}`
    end
  end
end