crash.subsystem.storage.block module

crash.subsystem.storage.block.for_each_request_in_queue(queue: Value) → Iterable[Value]

Iterates over each struct request in request_queue

This method iterates over requests queued in request_queue. It takes care of properly handling both single and multiqueue queues.

Parameters:

queue – The struct request_queue used to iterate. The value must be of type struct request_queue.

Yields:

gdb.Value – Each struct request contained within the request_queue. The value is of type struct request.

crash.subsystem.storage.block.queue_request_stats(queue: Value) → Tuple[int, int, int, int]

Report various request information for this queue

Parameters:

queue – The request queue to inspect for request information. The value must be of type struct request_queue.

Returns:

Number queued async requests, number of queued sync requests, number of async requests being processed by the driver, number of sync requests being processed by the driver.

Return type:

(int, int, int, int)

crash.subsystem.storage.block.requests_in_flight(queue: Value) → Tuple[int, int]

Report how many requests are in flight for this queue

Parameters:

queue – The request queue to inspect for requests in flight. The value must be of type struct request_queue.

Returns:

The requests in flight. The first member of the 2-tuple is the number of async requests, the second is the number of sync requests.

Return type:

(int, int)

crash.subsystem.storage.block.requests_queued(queue: Value) → Tuple[int, int]

Report how many requests are queued for this queue

Parameters:

queue – The request queue to inspect for number of queued requests. The value must be of type struct request_queue.

Returns:

The number of queued requests. The first member of the 2-tuple is the number of async requests, the second is the number of sync requests.

Return type:

(int, int)