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# frozen_string_literal: true
module Gitlab
module Memory
class Reporter
def initialize
@worker_uuid = SecureRandom.uuid
init_prometheus_metrics
end
def run_report(report)
start_monotonic_time = Gitlab::Metrics::System.monotonic_time
start_thread_cpu_time = Gitlab::Metrics::System.thread_cpu_time
file_path = report.run(report_id)
cpu_s = Gitlab::Metrics::System.thread_cpu_duration(start_thread_cpu_time)
duration_s = Gitlab::Metrics::System.monotonic_time - start_monotonic_time
log_report(name: report.name, cpu_s: cpu_s, duration_s: duration_s, size: file_size(file_path))
@report_duration_counter.increment({ report: report.name }, duration_s)
end
private
def log_report(name:, duration_s:, cpu_s:, size:)
Gitlab::AppLogger.info(
message: 'finished',
pid: $$,
worker_id: worker_id,
perf_report: name,
duration_s: duration_s.round(2),
cpu_s: cpu_s.round(2),
perf_report_size_bytes: size,
perf_report_worker_uuid: @worker_uuid
)
end
def report_id
[worker_id, @worker_uuid].join(".")
end
def worker_id
::Prometheus::PidProvider.worker_id
end
def file_size(file_path)
File.size(file_path.to_s)
rescue Errno::ENOENT
0
end
def init_prometheus_metrics
default_labels = { pid: worker_id }
@report_duration_counter = Gitlab::Metrics.counter(
:gitlab_diag_report_duration_seconds_total,
'Total time elapsed for running diagnostic report',
default_labels
)
end
end
end
end
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