Kouhei Sutou
null+****@clear*****
Sat Mar 19 14:50:42 JST 2016
Kouhei Sutou 2016-03-19 14:50:42 +0900 (Sat, 19 Mar 2016) New Revision: 2f3f8ecc8197107fb550b29972517779b0c1c8f4 https://github.com/groonga/groonga/commit/2f3f8ecc8197107fb550b29972517779b0c1c8f4 Message: Add a tool to analyze memory usage from memory debug log Added files: tools/groonga-memory-usage-analyzer.rb Added: tools/groonga-memory-usage-analyzer.rb (+86 -0) 100755 =================================================================== --- /dev/null +++ tools/groonga-memory-usage-analyzer.rb 2016-03-19 14:50:42 +0900 (5c23264) @@ -0,0 +1,86 @@ +#!/usr/bin/env ruby + +class Memory < Struct.new(:size, :file, :line, :function) + def location + "#{file}:#{line}" + end +end + +class LocationGroup + attr_reader :location + attr_reader :memories + def initialize(location) + @location = location + @memories = [] + end + + def add(memory) + @memories << memory + end + + def total_size + @memories.inject(0) do |sum, memory| + sum + memory.size + end + end +end + +class Statistics + def initialize + @location_groups = {} + end + + def add(memory) + group = location_group(memory.location) + group.add(memory) + end + + def sort_by_size + @location_groups.values.sort_by do |group| + group.total_size + end + end + + private + def location_group(location) + @location_groups[location] ||= LocationGroup.new(location) + end +end + +statistics = Statistics.new + +ARGF.each_line do |line| + case line + when /\Aaddress\[\d+\]\[not-freed\]:\s + (?:0x)?[\da-fA-F]+\((\d+)\):\s + (.+?):(\d+):\s(\S+)/x + size = $1.to_i + file = $2 + line = $3.to_i + function = $4.strip + memory = Memory.new(size, file, line, function) + statistics.add(memory) + end +end + +def format_size(size) + if size < 1024 + "#{size}B" + elsif size < (1024 * 1024) + "%.3fKiB" % (size / 1024.0) + elsif size < (1024 * 1024 * 1024) + "%.3fMiB" % (size / 1024.0 / 1024.0) + elsif size < (1024 * 1024 * 1024 * 1024) + "%.3fGiB" % (size / 1024.0 / 1024.0 / 1024.0) + else + "#{size}B" + end +end + +statistics.sort_by_size.reverse[0, 10].each do |group| + puts("%10s: %s(%d)" % [ + format_size(group.total_size), + group.location, + group.memories.size, + ]) +end -------------- next part -------------- HTML����������������������������...Descargar
