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xprtrdma: Add trace points in RPC Call transmit paths

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2017-12-20 16:30:40 -05:00
committed by Anna Schumaker
parent e48f083e19
commit ab03eff58e
3 changed files with 131 additions and 17 deletions
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16
net/sunrpc/xprtrdma/verbs.c
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@@ -133,6 +133,7 @@ rpcrdma_wc_send(struct ib_cq *cq, struct ib_wc *wc)
container_of(cqe, struct rpcrdma_sendctx, sc_cqe);
/* WARNING: Only wr_cqe and status are reliable at this point */
trace_xprtrdma_wc_send(sc, wc);
if (wc->status != IB_WC_SUCCESS && wc->status != IB_WC_WR_FLUSH_ERR)
pr_err("rpcrdma: Send: %s (%u/0x%x)\n",
ib_wc_status_msg(wc->status),
@@ -1549,9 +1550,6 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
req->rl_reply = NULL;
}
dprintk("RPC: %s: posting %d s/g entries\n",
__func__, send_wr->num_sge);
if (!ep->rep_send_count ||
test_bit(RPCRDMA_REQ_F_TX_RESOURCES, &req->rl_flags)) {
send_wr->send_flags |= IB_SEND_SIGNALED;
@@ -1560,14 +1558,12 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
send_wr->send_flags &= ~IB_SEND_SIGNALED;
--ep->rep_send_count;
}
rc = ib_post_send(ia->ri_id->qp, send_wr, &send_wr_fail);
if (rc)
goto out_postsend_err;
return 0;
out_postsend_err:
pr_err("rpcrdma: RDMA Send ib_post_send returned %i\n", rc);
return -ENOTCONN;
rc = ib_post_send(ia->ri_id->qp, send_wr, &send_wr_fail);
trace_xprtrdma_post_send(req, rc);
if (rc)
return -ENOTCONN;
return 0;
}
int