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Improve cam tracing a little by including the function code in the

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traces for xpt_action. Note up-calls (down-calls?) to the SIM as well.

Differential Review: https://reviews.freebsd.org/D4382
This commit is contained in:
Warner Losh 2015-12-07 04:14:29 +00:00
parent 7b0d44bcba
commit 8272782498
1 changed files with 8 additions and 2 deletions
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10
sys/cam/cam_xpt.c
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@ -2450,7 +2450,8 @@ void
xpt_action(union ccb *start_ccb)
{
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("xpt_action\n"));
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE,
("xpt_action: func=%#x\n", start_ccb->ccb_h.func_code));
start_ccb->ccb_h.status = CAM_REQ_INPROG;
(*(start_ccb->ccb_h.path->bus->xport->action))(start_ccb);
@ -2464,7 +2465,8 @@ xpt_action_default(union ccb *start_ccb)
int lock;
path = start_ccb->ccb_h.path;
CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_action_default\n"));
CAM_DEBUG(path, CAM_DEBUG_TRACE,
("xpt_action_default: func=%#x\n", start_ccb->ccb_h.func_code));
switch (start_ccb->ccb_h.func_code) {
case XPT_SCSI_IO:
@ -2618,7 +2620,11 @@ xpt_action_default(union ccb *start_ccb)
lock = (mtx_owned(sim->mtx) == 0);
if (lock)
CAM_SIM_LOCK(sim);
CAM_DEBUG(path, CAM_DEBUG_TRACE,
("sim->sim_action: func=%#x\n", start_ccb->ccb_h.func_code));
(*(sim->sim_action))(sim, start_ccb);
CAM_DEBUG(path, CAM_DEBUG_TRACE,
("sim->sim_action: status=%#x\n", start_ccb->ccb_h.status));
if (lock)
CAM_SIM_UNLOCK(sim);
break;