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| author | Hou Pu <houpu.main@gmail.com> | 2021-07-05 05:15:29 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-08-16 14:42:23 +0200 |
| commit | 8d84f9de69ca23f2637dc19d96f39228c8426e97 (patch) | |
| tree | 5cefd942878832cb609de3ed53668a64c7dc63cc /kernel/rseq.c | |
| parent | nvme: add set feature tracing support (diff) | |
| download | linux-8d84f9de69ca23f2637dc19d96f39228c8426e97.tar.xz linux-8d84f9de69ca23f2637dc19d96f39228c8426e97.zip | |
nvmet: add set feature tracing support
A nvme connect command produces following trace from the target side.
Before:
kworker/0:1H-56 [000] .... 9012.155139: nvmet_req_init: nvmet1: qid=0, cmdid=16, nsid=0, flags=0x40, meta=0x0, cmd=(nvme_admin_set_features, cdw10=07 00 00 00 07 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00)
kworker/0:1H-56 [000] .... 9012.872272: nvmet_req_init: nvmet1: qid=0, cmdid=13, nsid=0, flags=0x40, meta=0x0, cmd=(nvme_admin_set_features, cdw10=0b 00 00 00 00 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00)
cmdline:/sys/kernel/debug/tracing# cat trace | grep feature
kworker/0:1H-56 [000] .... 203.493914: nvmet_req_init: nvmet1: qid=0, cmdid=29, nsid=0, flags=0x40, meta=0x0, cmd=(nvme_admin_set_features, fid=0x7, sv=0x0, cdw11=0x70007)
kworker/0:1H-56 [000] .... 204.197079: nvmet_req_init: nvmet1: qid=0, cmdid=29, nsid=0, flags=0x40, meta=0x0, cmd=(nvme_admin_set_features, fid=0xb, sv=0x0, cdw11=0x900)
Using ',' to separate different field like others in
nvmet_trace_admin_get_features.
Signed-off-by: Hou Pu <houpu.main@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/rseq.c')
0 files changed, 0 insertions, 0 deletions