40 lines
926 B
Ruby
40 lines
926 B
Ruby
# to be used to compare ruby heaps generated in 2.1
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# can isolate memory leaks
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#
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# rbtrace -p 15193 -e 'Thread.new{require "objspace"; ObjectSpace.trace_object_allocations_start; GC.start(full_mark: true); ObjectSpace.dump_all(output: File.open("heap.json","w"))}.join'
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#
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#
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require 'set'
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require 'json'
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if ARGV.length != 2
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puts "Usage: diff_heaps [ORIG.json] [AFTER.json]"
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exit 1
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end
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origs = Set.new
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File.open(ARGV[0], "r").each_line do |line|
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parsed = JSON.parse(line)
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origs << parsed["address"] if parsed && parsed["address"]
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end
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diff = []
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File.open(ARGV[1], "r").each_line do |line|
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parsed = JSON.parse(line)
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if parsed && parsed["address"]
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diff << parsed unless origs.include? parsed["address"]
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end
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end
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diff.group_by do |x|
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[x["type"], x["file"], x["line"]]
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end.map { |x, y|
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[x, y.count]
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}.sort { |a, b|
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b[1] <=> a[1]
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}.each { |x, y|
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puts "Leaked #{y} #{x[0]} objects at: #{x[1]}:#{x[2]}"
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}
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