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Commit ef086c0d authored by Mike Marciniszyn's avatar Mike Marciniszyn Committed by Doug Ledford
Browse files

IB/hfi1: Report pid in qp_stats to aid debug 



Tracking user/QP ownership is needed to debug issues with
user ULPs like OpenMPI.

Reviewed-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 2243472e

drivers/infiniband/sw/rdmavt/qp.c

+1 −0
Original line number Diff line number Diff line
@@ -786,6 +786,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd, 
				goto bail_ip;

			}

		}

		qp->pid = current->pid;

	}



	spin_lock(&rdi->n_qps_lock);

drivers/staging/rdma/hfi1/qp.c

+3 −2
Original line number Diff line number Diff line
@@ -678,7 +678,7 @@ void qp_iter_print(struct seq_file *s, struct qp_iter *iter) 
	wqe = rvt_get_swqe_ptr(qp, qp->s_last);

	send_context = qp_to_send_context(qp, priv->s_sc);

	seq_printf(s,

		   "N %d %s QP%x R %u %s %u %u %u f=%x %u %u %u %u %u %u PSN %x %x %x %x %x (%u %u %u %u %u %u %u) QP%x LID %x SL %u MTU %u %u %u %u SDE %p,%u SC %p,%u CQ %u %u\n",

		   "N %d %s QP%x R %u %s %u %u %u f=%x %u %u %u %u %u %u PSN %x %x %x %x %x (%u %u %u %u %u %u %u) QP%x LID %x SL %u MTU %u %u %u %u SDE %p,%u SC %p,%u CQ %u %u PID %d\n",

		   iter->n,

		   qp_idle(qp) ? "I" : "B",

		   qp->ibqp.qp_num,
@@ -712,7 +712,8 @@ void qp_iter_print(struct seq_file *s, struct qp_iter *iter) 
		   send_context,

		   send_context ? send_context->sw_index : 0,

		   ibcq_to_rvtcq(qp->ibqp.send_cq)->queue->head,

		   ibcq_to_rvtcq(qp->ibqp.send_cq)->queue->tail);

		   ibcq_to_rvtcq(qp->ibqp.send_cq)->queue->tail,

		   qp->pid);

}



void qp_comm_est(struct rvt_qp *qp)

include/rdma/rdmavt_qp.h

+1 −0
Original line number Diff line number Diff line
@@ -251,6 +251,7 @@ struct rvt_qp { 


	enum ib_mtu path_mtu;

	int srate_mbps;		/* s_srate (below) converted to Mbit/s */

	pid_t pid;		/* pid for user mode QPs */

	u32 remote_qpn;

	u32 qkey;               /* QKEY for this QP (for UD or RD) */

	u32 s_size;             /* send work queue size */