Add option for precision in histogram labels (25c88af6) · Commits · github_fork / Clip

lib/fnordmetric/gauges/distribution_gauge.rb

+4 −2

Original line number	Diff line number	Diff line
		@@ -5,12 +5,14 @@ class FnordMetric::DistributionGauge < FnordMetric::Gauge
		colors = ["#2F635E", "#606B36", "#727070", "#936953", "#CD645A", "#FACE4F", "#42436B"]

		@opts[:value_scale] \|\|= 1
		@opts[:precision] \|\|= 1

		#@num_min =
		#@num_max =

		@histogram = FnordMetric::Histogram.new
		@values = []
		@histogram.set_opts(@opts)

		@samples = 0

+12 −5

Original line number	Diff line number	Diff line
		@@ -4,6 +4,10 @@ class FnordMetric::Histogram < Hash
		super{ \|h,k\| h[k]=0 }
		end

		def set_opts(opts = {})
		@opts = opts
		end

		def [](key)
		super(key.to_f)
		end
		@@ -35,11 +39,14 @@ class FnordMetric::Histogram < Hash
		histogram(windows).to_a.sort do \|a, b\|
		a[0].first <=> b[0].first
		end.map do \|r, v\|
		[r.size == 1.0 ? r.last.to_s :
		"#{r.first.round(1).to_s}-#{r.last.round(1).to_s}", v.to_i]
		[r.size == 1.0 ? r.last.to_s : json_value(r), v.to_i]
		end.to_json
		end

		def json_value(r)
		"#{r.first.round(@opts[:precision]).to_s}-#{r.last.round(@opts[:precision]).to_s}"
		end

		private

		def histogram_windows(windows)