gitlabhq/gitlabhq

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scripts/generate-gems-memory-metrics-static

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#!/usr/bin/env ruby

abort "usage: #{__FILE__} <memory_bundle_objects_file_name>" unless ARGV.length == 1
memory_bundle_objects_file_name = ARGV.first

full_report = File.readlines(memory_bundle_objects_file_name)

allocated_str = full_report[1]
retained_str = full_report[2]
allocated_stats = /Total allocated: (?<bytes>.*) bytes \((?<objects>.*) objects\)/.match(allocated_str)
retained_stats = /Total retained: (?<bytes>.*) bytes \((?<objects>.*) objects\)/.match(retained_str)

abort 'failed to process the benchmark output' unless allocated_stats && retained_stats

puts "memory_static_objects_allocated_mb #{(allocated_stats[:bytes].to_f / (1024 * 1024)).round(1)}"
puts "memory_static_objects_retained_mb #{(retained_stats[:bytes].to_f / (1024 * 1024)).round(1)}"
puts "memory_static_objects_allocated_items #{allocated_stats[:objects]}"
puts "memory_static_objects_retained_items #{retained_stats[:objects]}"