nvme: add tracepoint for nvme_complete_rq

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Add a tracepoint in nvme_complete_rq() for completions of NVMe commands. An
expmale output of the trace-point is as follows:

<idle>-0     [001] d.h.     3.505266: nvme_complete_rq: cmdid=989, qid=1, res=0, retries=0, flags=0x0, status=0

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

...

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Johannes Thumshirn 2018-01-26 11:21:38 +01:00 • committed by Christoph Hellwig

parent 3d030e41d9

commit ca5554a696

2 changed files with 27 additions and 0 deletions

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2

drivers/nvme/host/core.c

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25

drivers/nvme/host/trace.h

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