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| author |   Chuck Lever <chuck.lever@oracle.com> | 2020-08-17 09:53:22 -0400 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2020-08-24 19:41:41 -0300 |
| commit | 8dc105befe16b6504ecc17a235b3c22932fa33dc (patch) | |
| tree | 7cba20b90f825e46a241f83280d3ca0c6ea4dc5c /scripts/patch-kernel | |
| parent | RDMA/cm: Replace pr_debug() call sites with tracepoints (diff) | |
RDMA/cm: Add tracepoints to track MAD send operations
Surface the operation of MAD exchanges during connection
establishment. Some samples:
[root@klimt ~]# trace-cmd report -F ib_cma
cpus=4
kworker/0:4-123 [000] 60.677388: icm_send_rep: local_id=1965336542 remote_id=1096195961 state=REQ_RCVD lap_state=LAP_UNINIT
kworker/u8:11-391 [002] 60.678808: icm_send_req: local_id=1982113758 remote_id=0 state=IDLE lap_state=LAP_UNINIT
kworker/0:4-123 [000] 60.679652: icm_send_rtu: local_id=1982113758 remote_id=1079418745 state=REP_RCVD lap_state=LAP_UNINIT
nfsd-1954 [001] 60.691350: icm_send_rep: local_id=1998890974 remote_id=1129750393 state=MRA_REQ_SENT lap_state=LAP_UNINIT
nfsd-1954 [003] 62.017931: icm_send_drep: local_id=1998890974 remote_id=1129750393 state=TIMEWAIT lap_state=LAP_UNINIT
Link: https://lore.kernel.org/r/159767240197.2968.12048458026453596018.stgit@klimt.1015granger.net
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions