diff options
Diffstat (limited to 'lib/gitlab/metrics/samplers/ruby_sampler.rb')
| -rw-r--r-- | lib/gitlab/metrics/samplers/ruby_sampler.rb | 56 |
1 files changed, 27 insertions, 29 deletions
diff --git a/lib/gitlab/metrics/samplers/ruby_sampler.rb b/lib/gitlab/metrics/samplers/ruby_sampler.rb index eef802caabb..3bfa3da35e0 100644 --- a/lib/gitlab/metrics/samplers/ruby_sampler.rb +++ b/lib/gitlab/metrics/samplers/ruby_sampler.rb @@ -6,8 +6,12 @@ module Gitlab module Metrics module Samplers class RubySampler < BaseSampler + GC_REPORT_BUCKETS = [0.001, 0.002, 0.005, 0.01, 0.05, 0.1, 0.5].freeze + def initialize(interval) - metrics[:process_start_time_seconds].set(labels.merge(worker_label), Time.now.to_i) + GC::Profiler.clear + + metrics[:process_start_time_seconds].set(labels, Time.now.to_i) super end @@ -30,18 +34,18 @@ module Gitlab def init_metrics metrics = { - file_descriptors: ::Gitlab::Metrics.gauge(with_prefix(:file, :descriptors), 'File descriptors used', labels, :livesum), - memory_bytes: ::Gitlab::Metrics.gauge(with_prefix(:memory, :bytes), 'Memory used', labels, :livesum), + file_descriptors: ::Gitlab::Metrics.gauge(with_prefix(:file, :descriptors), 'File descriptors used', labels), + memory_bytes: ::Gitlab::Metrics.gauge(with_prefix(:memory, :bytes), 'Memory used', labels), process_cpu_seconds_total: ::Gitlab::Metrics.gauge(with_prefix(:process, :cpu_seconds_total), 'Process CPU seconds total'), process_max_fds: ::Gitlab::Metrics.gauge(with_prefix(:process, :max_fds), 'Process max fds'), - process_resident_memory_bytes: ::Gitlab::Metrics.gauge(with_prefix(:process, :resident_memory_bytes), 'Memory used', labels, :livesum), + process_resident_memory_bytes: ::Gitlab::Metrics.gauge(with_prefix(:process, :resident_memory_bytes), 'Memory used', labels), process_start_time_seconds: ::Gitlab::Metrics.gauge(with_prefix(:process, :start_time_seconds), 'Process start time seconds'), sampler_duration: ::Gitlab::Metrics.counter(with_prefix(:sampler, :duration_seconds_total), 'Sampler time', labels), - total_time: ::Gitlab::Metrics.counter(with_prefix(:gc, :duration_seconds_total), 'Total GC time', labels) + gc_duration_seconds: ::Gitlab::Metrics.histogram(with_prefix(:gc, :duration_seconds), 'GC time', labels, GC_REPORT_BUCKETS) } GC.stat.keys.each do |key| - metrics[key] = ::Gitlab::Metrics.gauge(with_prefix(:gc_stat, key), to_doc_string(key), labels, :livesum) + metrics[key] = ::Gitlab::Metrics.gauge(with_prefix(:gc_stat, key), to_doc_string(key), labels) end metrics @@ -50,47 +54,41 @@ module Gitlab def sample start_time = System.monotonic_time - metrics[:file_descriptors].set(labels.merge(worker_label), System.file_descriptor_count) - metrics[:process_cpu_seconds_total].set(labels.merge(worker_label), ::Gitlab::Metrics::System.cpu_time) - metrics[:process_max_fds].set(labels.merge(worker_label), ::Gitlab::Metrics::System.max_open_file_descriptors) + metrics[:file_descriptors].set(labels, System.file_descriptor_count) + metrics[:process_cpu_seconds_total].set(labels, ::Gitlab::Metrics::System.cpu_time) + metrics[:process_max_fds].set(labels, ::Gitlab::Metrics::System.max_open_file_descriptors) set_memory_usage_metrics sample_gc metrics[:sampler_duration].increment(labels, System.monotonic_time - start_time) - ensure - GC::Profiler.clear end private def sample_gc - # Collect generic GC stats. + # Observe all GC samples + sample_gc_reports.each do |report| + metrics[:gc_duration_seconds].observe(labels, report[:GC_TIME]) + end + + # Collect generic GC stats GC.stat.each do |key, value| metrics[key].set(labels, value) end + end - # Collect the GC time since last sample in float seconds. - metrics[:total_time].increment(labels, GC::Profiler.total_time) + def sample_gc_reports + GC::Profiler.enable + GC::Profiler.raw_data + ensure + GC::Profiler.clear end def set_memory_usage_metrics memory_usage = System.memory_usage - memory_labels = labels.merge(worker_label) - metrics[:memory_bytes].set(memory_labels, memory_usage) - metrics[:process_resident_memory_bytes].set(memory_labels, memory_usage) - end - - def worker_label - return { worker: 'sidekiq' } if Sidekiq.server? - return {} unless defined?(Unicorn::Worker) - - worker_no = ::Prometheus::Client::Support::Unicorn.worker_id - if worker_no - { worker: worker_no } - else - { worker: 'master' } - end + metrics[:memory_bytes].set(labels, memory_usage) + metrics[:process_resident_memory_bytes].set(labels, memory_usage) end end end |