76 lines
1.9 KiB
Ruby
76 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require 'prometheus/pid_provider'
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module Gitlab
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module Utils
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class Measuring
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class << self
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attr_writer :logger
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def logger
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@logger ||= Logger.new($stdout)
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end
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end
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def initialize(base_log_data = {})
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@base_log_data = base_log_data
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end
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def with_measuring
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result = nil
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with_gc_stats do
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with_count_queries do
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with_measure_time do
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result = yield
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end
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end
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end
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log_info(
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gc_stats: gc_stats,
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time_to_finish: time_to_finish,
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number_of_sql_calls: sql_calls_count,
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memory_usage: "#{Gitlab::Metrics::System.memory_usage_rss[:total].to_f / 1024 / 1024} MiB",
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label: ::Prometheus::PidProvider.worker_id
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)
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result
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end
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private
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attr_reader :gc_stats, :time_to_finish, :sql_calls_count, :base_log_data
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def with_count_queries(&block)
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@sql_calls_count = 0
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counter_f = ->(_name, _started, _finished, _unique_id, payload) {
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@sql_calls_count += 1 unless payload[:name].in? %w[CACHE SCHEMA]
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}
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ActiveSupport::Notifications.subscribed(counter_f, "sql.active_record", &block)
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end
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def with_gc_stats
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stats = ::Gitlab::Memory::Instrumentation.start_thread_memory_allocations
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yield
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ensure
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@gc_stats = ::Gitlab::Memory::Instrumentation.measure_thread_memory_allocations(stats)
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end
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def with_measure_time
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@time_to_finish = Benchmark.realtime do
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yield
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end
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end
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def log_info(details)
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details = base_log_data.merge(details)
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details = details.to_yaml if ActiveSupport::Logger.logger_outputs_to?(Measuring.logger, $stdout)
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Measuring.logger.info(details)
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end
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end
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end
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end
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