From 35bc1e93e1109235f2776ba204203a4eeb53b999 Mon Sep 17 00:00:00 2001 From: Ben Walker Date: Thu, 21 Jul 2016 15:19:19 -0700 Subject: [PATCH] nvmf: Add prints for queue depth calculations Change-Id: Ibef84b9622530750fa75fbac4b95f0886e52fdd9 Signed-off-by: Ben Walker --- lib/nvmf/rdma.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/lib/nvmf/rdma.c b/lib/nvmf/rdma.c index 883313821..df211ae68 100644 --- a/lib/nvmf/rdma.c +++ b/lib/nvmf/rdma.c @@ -624,20 +624,31 @@ nvmf_rdma_connect(struct rdma_cm_event *event) goto err1; } + SPDK_TRACELOG(SPDK_TRACE_RDMA, "Calculating Queue Depth\n"); + SPDK_TRACELOG(SPDK_TRACE_RDMA, "Target Max Queue Depth: %d\n", g_nvmf_tgt.max_queue_depth); + SPDK_TRACELOG(SPDK_TRACE_RDMA, + "Local NIC Max Send/Recv Queue Depth: %d Max Read/Write Queue Depth: %d\n", + ibdev_attr.max_qp_wr, ibdev_attr.max_qp_rd_atom); host_event_data = &event->param.conn; if (host_event_data->private_data == NULL || host_event_data->private_data_len < sizeof(struct spdk_nvmf_rdma_request_private_data)) { + SPDK_TRACELOG(SPDK_TRACE_RDMA, "No private data supplied\n"); /* No private data, so use defaults. */ qp_depth = g_nvmf_tgt.max_queue_depth; rw_depth = g_nvmf_tgt.max_queue_depth; } else { const struct spdk_nvmf_rdma_request_private_data *private_data = host_event_data->private_data; + SPDK_TRACELOG(SPDK_TRACE_RDMA, "Host Receive Queue Size: %d\n", private_data->hrqsize); + SPDK_TRACELOG(SPDK_TRACE_RDMA, "Host Send Queue Size: %d\n", private_data->hsqsize); + SPDK_TRACELOG(SPDK_TRACE_RDMA, "Host NIC Receive Queue Size: %d\n", + host_event_data->initiator_depth); qp_depth = nvmf_min(private_data->hrqsize, private_data->hsqsize); rw_depth = host_event_data->initiator_depth; } qp_depth = nvmf_min(g_nvmf_tgt.max_queue_depth, nvmf_min(qp_depth, ibdev_attr.max_qp_wr)); rw_depth = nvmf_min(g_nvmf_tgt.max_queue_depth, nvmf_min(rw_depth, ibdev_attr.max_qp_rd_atom)); rdma_conn->queue_depth = nvmf_min(qp_depth, rw_depth); + SPDK_TRACELOG(SPDK_TRACE_RDMA, "Final Negotiated Queue Depth: %d\n", rdma_conn->queue_depth); rc = nvmf_rdma_queue_init(conn, conn_id->verbs); if (rc) {