Module: Flamegraph

Defined in:
lib/flamegraph.rb,
lib/flamegraph/version.rb

Defined Under Namespace

Classes: FastStackSampler, Renderer, Sampler

Constant Summary collapse

VERSION = 
"0.0.4"

Class Method Summary collapse

Class Method Details

.generate(filename = nil, opts = {}) ⇒ Object 



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# File 'lib/flamegraph.rb', line 7

def self.generate(filename=nil, opts = {})
  fidelity = opts[:fidelity]  || 0.5

  backtraces = FastStack.profile(fidelity) do
    yield
  end

  embed_resources = filename && !opts.key?(:embed_resources)

  renderer = Flamegraph::Renderer.new(backtraces)
  rendered = renderer.graph_html(embed_resources)

  if filename
    File.open(filename,"w") do |f|
      f.write(rendered)
    end
  end
  rendered
end