Source/bmalloc/libpas/scripts/tally_verifier_output

#!/usr/bin/env ruby

class ObjectKind
    attr_reader :name, :kind, :heap
    
    def initialize(name, kind, heap)
        @name = name
        @kind = kind
        @heap = heap
    end
    
    def hash
        @name.hash + @kind.hash + @heap.hash
    end
    
    def eql?(other)
        @name == other.name and @kind == other.kind and @heap == other.heap
    end
    
    def to_s
        "#{@heap}:#{@kind}:#{@name}"
    end
end

$sizeHistogram = {}
$currentHeap = nil

$stdin.each_line {
    | line |
    line.chomp!
    case line
    when "bootstrap_free_heap:", "utility_heap:"
        $currentHeap = line.chop
    when /^    0x([0-9a-f]+)\.\.\.0x([0-9a-f]+): ([^,]+), size = ([0-9]+), kind = (.*)/
        objectKind = ObjectKind.new($3, $5, $currentHeap)
        size = $4.to_i
        $sizeHistogram[objectKind] = 0 unless $sizeHistogram[objectKind]
        $sizeHistogram[objectKind] += size
    end
}

$sizeHistogram.keys.sort {
    | a, b |
    $sizeHistogram[b] <=> $sizeHistogram[a]
}.each {
    | key |
    puts "#{key}: #{$sizeHistogram[key]}"
}