debian-mirror-gitlab/scripts/generate-memory-metrics-on-boot

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#!/usr/bin/env ruby
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# frozen_string_literal: true
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abort "usage: #{__FILE__} <memory_bundle_mem_file_name>" unless ARGV.length == 1
memory_bundle_mem_file_name = ARGV.first
full_report = File.open(memory_bundle_mem_file_name).read
stats = /TOP: (?<total_mibs_str>.*) MiB/.match(full_report)
abort 'failed to process the benchmark output' unless stats
puts "total_memory_used_by_dependencies_on_boot_prod_env_mb #{stats[:total_mibs_str].to_f.round(1)}"