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module ScoutApm
module Instruments
class HistogramReport
attr_reader :name
attr_reader :histogram
def initialize(name, histogram)
@name = name
@histogram = histogram
end
def combine!(other)
raise "Mismatched Histogram Names" unless name == other.name
histogram.combine!(other.histogram)
self
end
end
class PercentileSampler
attr_reader :logger
# A hash of { time => RequestHistograms }
attr_reader :histograms
def initialize(logger, histograms)
@logger = logger
@histograms = histograms
end
def human_name
'Percentiles'
end
def metrics(timestamp, store)
store.track_histograms!(percentiles(timestamp), :timestamp => timestamp)
end
def percentiles(time)
result = []
histogram = histograms.delete(time)
return result unless histogram
histogram.each_name do |name|
result << HistogramReport.new(name, histogram.raw(name))
end
result
end
end
end
end
Version data entries
44 entries across 44 versions & 1 rubygems