mirror of https://gitee.com/openkylin/linux.git
604c01d567
Export the disk name, queue id, sq_head, sq_tail to a trace event in completion handling. Usage example: cd /sys/kernel/debug/tracing/events/nvme/nvme_sq echo 'disk=="nvme1n1"' > filter echo 1 > enable cat /sys/kernel/debug/tracing/trace_pipe Signed-off-by: yupeng <yupeng0921@gmail.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Keith Busch <keith.busch@intel.com> [hch: slight formatting tweaks, use standard nvme tracepoint conventions] Signed-off-by: Christoph Hellwig <hch@lst.de> wip |
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