linux_dsm_epyc7002/drivers/nvme/host
yupeng 604c01d567 nvme-pci: trace SQ status on completions
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
2018-12-19 08:35:36 +01:00
..
core.c nvme-core: optionally poll sync commands 2018-12-18 17:50:48 +01:00
fabrics.c nvme-fabrics: allow user to pass in nr_poll_queues 2018-12-18 17:50:49 +01:00
fabrics.h nvme-fabrics: allow user to pass in nr_poll_queues 2018-12-18 17:50:49 +01:00
fault_inject.c nvme: Add fault injection feature 2018-03-26 08:53:43 -06:00
fc.c nvme-fabrics: allow nvmf_connect_io_queue to poll 2018-12-18 17:50:48 +01:00
Kconfig nvme-tcp: add NVMe over TCP host driver 2018-12-13 09:58:58 +01:00
lightnvm.c nvme: remove nvme_common command cdw10 array 2018-12-13 09:59:01 +01:00
Makefile nvme-tcp: add NVMe over TCP host driver 2018-12-13 09:58:58 +01:00
multipath.c nvme: add a numa_node field to struct nvme_ctrl 2018-12-07 22:26:55 -07:00
nvme.h nvme-core: optionally poll sync commands 2018-12-18 17:50:48 +01:00
pci.c nvme-pci: trace SQ status on completions 2018-12-19 08:35:36 +01:00
rdma.c nvme-rdma: implement polling queue map 2018-12-18 17:50:49 +01:00
tcp.c nvme-fabrics: allow nvmf_connect_io_queue to poll 2018-12-18 17:50:48 +01:00
trace.c nvme-pci: trace SQ status on completions 2018-12-19 08:35:36 +01:00
trace.h nvme-pci: trace SQ status on completions 2018-12-19 08:35:36 +01:00