dotcloud/docker — pull request #5455 by rjnagal (2014-04-29 00:36:40+00:00)
Title: Add throttling stats for cpu cgroup

Throttling stats for cpu include number of periods that throttling has been enabled (nr_periods), number of periods that running processes were throttling for some time (nr_throttled), and cumulative walltime in nanoseconds for which container has been throttled across all periods (throttled_time). Added a basic unit test.