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#!/usr/bin/ruby -w
#
# parses a valgrind massif output and prints the command and the peak memory
# usage
#
cmd = false
peak = false
peakval = 0
units = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB']
unit = 0
while line = $<.gets
if line =~ /^cmd:/
puts $<.filename
puts line
peak = false
end
if line =~ /^mem_heap_B=(\d+)$/ and not peak
peakval = $1.to_i
byte = peakval
end
if line =~ /^heap_tree=peak$/
while peakval.div(1024) != 0
unit += 1
peakval /= 1024.0
end
printf "peak mem: %.2f%s (%d)\n", peakval, units[unit], byte
unit = 0
peak = true
end
end
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