diff options
Diffstat (limited to 'lib/gitlab/metrics.rb')
| -rw-r--r-- | lib/gitlab/metrics.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/gitlab/metrics.rb b/lib/gitlab/metrics.rb index 88a265c6af2..4a3f47b5a95 100644 --- a/lib/gitlab/metrics.rb +++ b/lib/gitlab/metrics.rb @@ -70,6 +70,32 @@ module Gitlab value.to_s.gsub('=', '\\=') end + # Measures the execution time of a block. + # + # Example: + # + # Gitlab::Metrics.measure(:find_by_username_timings) do + # User.find_by_username(some_username) + # end + # + # series - The name of the series to store the data in. + # values - A Hash containing extra values to add to the metric. + # tags - A Hash containing extra tags to add to the metric. + # + # Returns the value yielded by the supplied block. + def self.measure(series, values = {}, tags = {}) + return yield unless Transaction.current + + start = Time.now.to_f + retval = yield + duration = (Time.now.to_f - start) * 1000.0 + values = values.merge(duration: duration) + + Transaction.current.add_metric(series, values, tags) + + retval + end + # When enabled this should be set before being used as the usual pattern # "@foo ||= bar" is _not_ thread-safe. if enabled? |