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Forked from Gregg/autobench_grapher.rb
Created August 17, 2009 22:07
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# Used to graph results from autobench
#
# Usage: ruby autobench_grapher.rb result_from_autobench.tsv
#
# This will generate three svg & png graphs
require "rubygems"
require "scruffy"
require 'csv'
require 'yaml'
class ResultGrapher
def self.run
new(ARGV.first).run
end
def initialize(result_file)
@result_file = result_file
@stats = {
:attempted_request_rate => [],
:average_reply_rate => [],
:average_response_time => [],
:errors => []
}
end
def run
parse_log
generate_graph
end
def parse_log
File.open(@result_file).each do |line|
row = line.split("\t")
next if row[0] =~ /^\D+/
@stats[:attempted_request_rate] << row[0].to_f
@stats[:average_reply_rate] << row[4].to_f
@stats[:average_response_time] << row[7].to_f
@stats[:errors] << row[9].to_f
end
end
def file_root
@result_file.gsub(/\..*/, "")
end
def generate_graph
g = Scruffy::Graph.new
g.title = "Average Reply Rate (Responses per Second)"
g.renderer = Scruffy::Renderers::Standard.new
g.add :area, "Attempted Request Rate", @stats[:attempted_request_rate]
g.add :line, "Average Reply Rate", @stats[:average_reply_rate]
g.point_markers = @stats[:attempted_request_rate]
g.render :to => "#{file_root}_average_reply_rate.svg"
g.render :width => 600, :height => 400,
:to => "#{file_root}_average_reply_rate.png", :as => 'png'
g2 = Scruffy::Graph.new
g2.title = "Average Response Time (in ms)"
g2.renderer = Scruffy::Renderers::Standard.new
g2.add :line, "Average Response Time", @stats[:average_response_time]
g2.point_markers = @stats[:attempted_request_rate]
g2.render :to => "#{file_root}_average_response_time.svg"
g2.render :width => 600, :height => 400,
:to => "#{file_root}_average_response_time.png", :as => 'png'
g3 = Scruffy::Graph.new
g3.title = "Errors"
g3.renderer = Scruffy::Renderers::Standard.new
g3.add :line, "Errors", @stats[:errors]
g3.point_markers = @stats[:attempted_request_rate]
g3.render :to => "#{file_root}_errors.svg"
g3.render :width => 600, :height => 400,
:to => "#{file_root}_errors.png", :as => 'png'
end
end
ResultGrapher.run
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