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IB/hfi1: Report pid in qp_stats to aid debug

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

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mike Marciniszyn 2016-03-07 11:35:08 -08:00 committed by Doug Ledford
parent 2243472e9d
commit ef086c0d5d
3 changed files with 5 additions and 2 deletions
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1
drivers/infiniband/sw/rdmavt/qp.c
View file

@ -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);

5
drivers/staging/rdma/hfi1/qp.c
View file

@ -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)

1
include/rdma/rdmavt_qp.h
View file

@ -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 */