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#!/usr/bin/env ruby
abort "usage: #{__FILE__} <memory_bundle_mem_file_name>" unless ARGV.length == 1
memory_bundle_mem_file_name = ARGV.first
full_report = File.readlines(memory_bundle_mem_file_name)
def total_size(memory_bundle_mem_report)
stats = /TOP: (?<total_mibs_str>.*) MiB/.match(memory_bundle_mem_report.first)
abort 'failed to process the benchmark output' unless stats
"gem_total_size_mb #{stats[:total_mibs_str].to_f.round(1)}"
end
TOP_LEVEL_GEM_LOG_FORMAT = /^ (?<gem_name>\S.*):\s*(?<gem_size>\d[.\d]*)\s*MiB/.freeze
def all_gems(memory_bundle_mem_report)
memory_bundle_mem_report.map do |line|
TOP_LEVEL_GEM_LOG_FORMAT.match(line)
end.compact
end
def gems_as_metrics(gems_match_data)
gems_match_data.map do |gem|
gem_name = gem[:gem_name]
gem_size_mb = gem[:gem_size].to_f.round(1)
"gem_size_mb{name=\"#{gem_name}\"} #{gem_size_mb}"
end
end
puts total_size(full_report)
puts gems_as_metrics(all_gems(full_report)).sort(&:casecmp)
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