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An additional metric exempt-request-time will also be added for each quota entity for the quota type Request to track the time spent processing requests which are exempt from throttling. This will capture the total time for requests from all users/clients that are exempt from throttling so that administrators can view the full CPU utilization using the combination of two metricsof exempt requests as well.

Clients will expose average and maximum request throttle time as JMX metrics similar to the current produce/fetch throttle time metrics. The existing metrics will reflect the total throttle time for produce and fetch requests including both byte-rate throttling and processing time throttling. Two new metrics request-throttle-time-max and request-throttle-time-min will be added to reflect total request processing time based throttling for all request types including produce/fetch.

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