diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/gitlab/metrics/samplers/influx_sampler.rb | 22 | ||||
| -rw-r--r-- | lib/gitlab/metrics/samplers/ruby_sampler.rb | 23 |
2 files changed, 17 insertions, 28 deletions
diff --git a/lib/gitlab/metrics/samplers/influx_sampler.rb b/lib/gitlab/metrics/samplers/influx_sampler.rb index 5138b37f83e..1eae0a7bf45 100644 --- a/lib/gitlab/metrics/samplers/influx_sampler.rb +++ b/lib/gitlab/metrics/samplers/influx_sampler.rb @@ -15,19 +15,14 @@ module Gitlab @last_step = nil @metrics = [] - - @last_minor_gc = Delta.new(GC.stat[:minor_gc_count]) - @last_major_gc = Delta.new(GC.stat[:major_gc_count]) end def sample sample_memory_usage sample_file_descriptors - sample_gc flush ensure - GC::Profiler.clear @metrics.clear end @@ -43,23 +38,6 @@ module Gitlab add_metric('file_descriptors', value: System.file_descriptor_count) end - def sample_gc - time = GC::Profiler.total_time * 1000.0 - stats = GC.stat.merge(total_time: time) - - # We want the difference of GC runs compared to the last sample, not the - # total amount since the process started. - stats[:minor_gc_count] = - @last_minor_gc.compared_with(stats[:minor_gc_count]) - - stats[:major_gc_count] = - @last_major_gc.compared_with(stats[:major_gc_count]) - - stats[:count] = stats[:minor_gc_count] + stats[:major_gc_count] - - add_metric('gc_statistics', stats) - end - def add_metric(series, values, tags = {}) prefix = sidekiq? ? 'sidekiq_' : 'rails_' diff --git a/lib/gitlab/metrics/samplers/ruby_sampler.rb b/lib/gitlab/metrics/samplers/ruby_sampler.rb index 1e200db0baf..3bfa3da35e0 100644 --- a/lib/gitlab/metrics/samplers/ruby_sampler.rb +++ b/lib/gitlab/metrics/samplers/ruby_sampler.rb @@ -6,7 +6,11 @@ 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) + GC::Profiler.clear + metrics[:process_start_time_seconds].set(labels, Time.now.to_i) super @@ -37,7 +41,7 @@ module Gitlab 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| @@ -57,20 +61,27 @@ module Gitlab 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 |