diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/qp.c | 11 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/trace_qp.h | 42 |
2 files changed, 48 insertions, 5 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 73705a19bd2e..0bbf20597056 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -2075,6 +2075,7 @@ void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth) lockdep_assert_held(&qp->s_lock); qp->s_flags |= RVT_S_WAIT_RNR; to = rvt_aeth_to_usec(aeth); + trace_rvt_rnrnak_add(qp, to); hrtimer_start(&qp->s_rnr_timer, ns_to_ktime(1000 * to), HRTIMER_MODE_REL); } @@ -2104,15 +2105,14 @@ EXPORT_SYMBOL(rvt_stop_rc_timers); * stop an rnr timer and return if the timer * had been pending. */ -static int rvt_stop_rnr_timer(struct rvt_qp *qp) +static void rvt_stop_rnr_timer(struct rvt_qp *qp) { - int rval = 0; - lockdep_assert_held(&qp->s_lock); /* Remove QP from rnr timer */ - if (qp->s_flags & RVT_S_WAIT_RNR) + if (qp->s_flags & RVT_S_WAIT_RNR) { qp->s_flags &= ~RVT_S_WAIT_RNR; - return rval; + trace_rvt_rnrnak_stop(qp, 0); + } } /** @@ -2165,6 +2165,7 @@ enum hrtimer_restart rvt_rc_rnr_retry(struct hrtimer *t) spin_lock_irqsave(&qp->s_lock, flags); rvt_stop_rnr_timer(qp); + trace_rvt_rnrnak_timeout(qp, 0); rdi->driver_f.schedule_send(qp); spin_unlock_irqrestore(&qp->s_lock, flags); return HRTIMER_NORESTART; diff --git a/drivers/infiniband/sw/rdmavt/trace_qp.h b/drivers/infiniband/sw/rdmavt/trace_qp.h index 4c77a3119bda..efc9d814b032 100644 --- a/drivers/infiniband/sw/rdmavt/trace_qp.h +++ b/drivers/infiniband/sw/rdmavt/trace_qp.h @@ -85,6 +85,48 @@ DEFINE_EVENT(rvt_qphash_template, rvt_qpremove, TP_PROTO(struct rvt_qp *qp, u32 bucket), TP_ARGS(qp, bucket)); +DECLARE_EVENT_CLASS( + rvt_rnrnak_template, + TP_PROTO(struct rvt_qp *qp, u32 to), + TP_ARGS(qp, to), + TP_STRUCT__entry( + RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device)) + __field(u32, qpn) + __field(void *, hrtimer) + __field(u32, s_flags) + __field(u32, to) + ), + TP_fast_assign( + RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device)) + __entry->qpn = qp->ibqp.qp_num; + __entry->hrtimer = &qp->s_rnr_timer; + __entry->s_flags = qp->s_flags; + __entry->to = to; + ), + TP_printk( + "[%s] qpn 0x%x hrtimer 0x%p s_flags 0x%x timeout %u us", + __get_str(dev), + __entry->qpn, + __entry->hrtimer, + __entry->s_flags, + __entry->to + ) +); + +DEFINE_EVENT( + rvt_rnrnak_template, rvt_rnrnak_add, + TP_PROTO(struct rvt_qp *qp, u32 to), + TP_ARGS(qp, to)); + +DEFINE_EVENT( + rvt_rnrnak_template, rvt_rnrnak_timeout, + TP_PROTO(struct rvt_qp *qp, u32 to), + TP_ARGS(qp, to)); + +DEFINE_EVENT( + rvt_rnrnak_template, rvt_rnrnak_stop, + TP_PROTO(struct rvt_qp *qp, u32 to), + TP_ARGS(qp, to)); #endif /* __RVT_TRACE_QP_H */ |