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staging/rdma/hfi1: add additional rc traces

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Add additional rc traces to aid in debugging rc retry logic.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Marciniszyn 2015-10-26 10:28:48 -04:00 committed by Greg Kroah-Hartman
parent 64ffd86cf9
commit 83525b61c3
3 changed files with 42 additions and 14 deletions
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4
drivers/staging/rdma/hfi1/rc.c
View File

@ -927,6 +927,7 @@ static void rc_timeout(unsigned long arg)
ibp->n_rc_timeouts++;
qp->s_flags &= ~HFI1_S_TIMER;
del_timer(&qp->s_timer);
trace_hfi1_rc_timeout(qp, qp->s_last_psn + 1);
restart_rc(qp, qp->s_last_psn + 1, 1);
hfi1_schedule_send(qp);
}
@ -1442,6 +1443,8 @@ static void rc_rcv_resp(struct hfi1_ibport *ibp,
spin_lock_irqsave(&qp->s_lock, flags);
trace_hfi1_rc_ack(qp, psn);
/* Ignore invalid responses. */
if (cmp_psn(psn, qp->s_next_psn) >= 0)
goto ack_done;
@ -1630,6 +1633,7 @@ static noinline int rc_rcv_error(struct hfi1_other_headers *ohdr, void *data,
u8 i, prev;
int old_req;
trace_hfi1_rc_rcv_error(qp, psn);
if (diff > 0) {
/*
* Packet sequence error.

4
drivers/staging/rdma/hfi1/trace.c
View File

@ -126,13 +126,13 @@ const char *parse_everbs_hdrs(
case OP(RC, ACKNOWLEDGE):
trace_seq_printf(p, AETH_PRN,
be32_to_cpu(eh->aeth) >> 24,
be32_to_cpu(eh->aeth) & HFI1_QPN_MASK);
be32_to_cpu(eh->aeth) & HFI1_MSN_MASK);
break;
/* aeth + atomicacketh */
case OP(RC, ATOMIC_ACKNOWLEDGE):
trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
(be32_to_cpu(eh->at.aeth) >> 24) & 0xff,
be32_to_cpu(eh->at.aeth) & HFI1_QPN_MASK,
be32_to_cpu(eh->at.aeth) & HFI1_MSN_MASK,
(unsigned long long)ib_u64_get(eh->at.atomic_ack_eth));
break;
/* atomiceth */

48
drivers/staging/rdma/hfi1/trace.h
View File

@ -1252,37 +1252,61 @@ TRACE_EVENT(hfi1_sdma_state,
#undef TRACE_SYSTEM
#define TRACE_SYSTEM hfi1_rc
DECLARE_EVENT_CLASS(hfi1_sdma_rc,
DECLARE_EVENT_CLASS(hfi1_rc_template,
TP_PROTO(struct hfi1_qp *qp, u32 psn),
TP_ARGS(qp, psn),
TP_STRUCT__entry(
DD_DEV_ENTRY(dd_from_ibdev(qp->ibqp.device))
__field(u32, qpn)
__field(u32, flags)
__field(u32, s_flags)
__field(u32, psn)
__field(u32, sending_psn)
__field(u32, sending_hpsn)
__field(u32, s_psn)
__field(u32, s_next_psn)
__field(u32, s_sending_psn)
__field(u32, s_sending_hpsn)
__field(u32, r_psn)
),
TP_fast_assign(
DD_DEV_ASSIGN(dd_from_ibdev(qp->ibqp.device))
__entry->qpn = qp->ibqp.qp_num;
__entry->flags = qp->s_flags;
__entry->s_flags = qp->s_flags;
__entry->psn = psn;
__entry->sending_psn = qp->s_sending_psn;
__entry->sending_hpsn = qp->s_sending_hpsn;
__entry->s_psn = qp->s_psn;
__entry->s_next_psn = qp->s_next_psn;
__entry->s_sending_psn = qp->s_sending_psn;
__entry->s_sending_hpsn = qp->s_sending_hpsn;
__entry->r_psn = qp->r_psn;
),
TP_printk(
"[%s] qpn 0x%x flags 0x%x psn 0x%x sending_psn 0x%x sending_hpsn 0x%x",
"[%s] qpn 0x%x s_flags 0x%x psn 0x%x s_psn 0x%x s_next_psn 0x%x s_sending_psn 0x%x sending_hpsn 0x%x r_psn 0x%x",
__get_str(dev),
__entry->qpn,
__entry->flags,
__entry->s_flags,
__entry->psn,
__entry->sending_psn,
__entry->sending_psn
__entry->s_psn,
__entry->s_next_psn,
__entry->s_sending_psn,
__entry->s_sending_hpsn,
__entry->r_psn
)
);
DEFINE_EVENT(hfi1_sdma_rc, hfi1_rc_sendcomplete,
DEFINE_EVENT(hfi1_rc_template, hfi1_rc_sendcomplete,
TP_PROTO(struct hfi1_qp *qp, u32 psn),
TP_ARGS(qp, psn)
);
DEFINE_EVENT(hfi1_rc_template, hfi1_rc_ack,
TP_PROTO(struct hfi1_qp *qp, u32 psn),
TP_ARGS(qp, psn)
);
DEFINE_EVENT(hfi1_rc_template, hfi1_rc_timeout,
TP_PROTO(struct hfi1_qp *qp, u32 psn),
TP_ARGS(qp, psn)
);
DEFINE_EVENT(hfi1_rc_template, hfi1_rc_rcv_error,
TP_PROTO(struct hfi1_qp *qp, u32 psn),
TP_ARGS(qp, psn)
);