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Add missing mutex guard to method call metrics

This commit is contained in:
Pawel Chojnacki 2017-11-03 12:37:08 +01:00
parent 765ddaeb85
commit 5a085dc126
1 changed files with 21 additions and 12 deletions
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33
lib/gitlab/metrics/method_call.rb
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@ -2,25 +2,34 @@ module Gitlab
module Metrics
# Class for tracking timing information about method calls
class MethodCall
MUTEX = Mutex.new
BASE_LABELS = { module: nil, method: nil }.freeze
attr_reader :real_time, :cpu_time, :call_count, :labels
def self.call_real_duration_histogram
@call_real_duration_histogram ||= Gitlab::Metrics.histogram(
:gitlab_method_call_real_duration_seconds,
'Method calls real duration',
Transaction::BASE_LABELS.merge(BASE_LABELS),
[0.1, 0.2, 0.5, 1, 2, 5, 10]
)
return @call_real_duration_histogram if @call_real_duration_histogram
MUTEX.synchronize do
@call_real_duration_histogram ||= Gitlab::Metrics.histogram(
:gitlab_method_call_real_duration_seconds,
'Method calls real duration',
Transaction::BASE_LABELS.merge(BASE_LABELS),
[0.1, 0.2, 0.5, 1, 2, 5, 10]
)
end
end
def self.call_cpu_duration_histogram
@call_duration_histogram ||= Gitlab::Metrics.histogram(
:gitlab_method_call_cpu_duration_seconds,
'Method calls cpu duration',
Transaction::BASE_LABELS.merge(BASE_LABELS),
[0.1, 0.2, 0.5, 1, 2, 5, 10]
)
return @call_cpu_duration_histogram if @call_cpu_duration_histogram
MUTEX.synchronize do
@call_duration_histogram ||= Gitlab::Metrics.histogram(
:gitlab_method_call_cpu_duration_seconds,
'Method calls cpu duration',
Transaction::BASE_LABELS.merge(BASE_LABELS),
[0.1, 0.2, 0.5, 1, 2, 5, 10]
)
end
end
# name - The full name of the method (including namespace) such as