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authorChuck Lever <chuck.lever@oracle.com>2017-12-21 00:31:53 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2018-01-23 17:44:38 +0300
commitae7246762530af00109c3fb8a30031da054c0aa0 (patch)
treeda91efc5273fd37a447c96d83a6b22a25e298990 /net/sunrpc
parent643cf3237db83e1443fa61de896449858393cb72 (diff)
downloadlinux-ae7246762530af00109c3fb8a30031da054c0aa0.tar.xz
xprtrdma: Instrument allocation/release of rpcrdma_req/rep objects
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtrdma/transport.c12
-rw-r--r--net/sunrpc/xprtrdma/verbs.c4
2 files changed, 7 insertions, 9 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 25d1160dc085..b90179af88bf 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -640,7 +640,7 @@ xprt_rdma_allocate(struct rpc_task *task)
req = rpcrdma_buffer_get(&r_xprt->rx_buf);
if (req == NULL)
- return -ENOMEM;
+ goto out_get;
flags = RPCRDMA_DEF_GFP;
if (RPC_IS_SWAPPER(task))
@@ -653,19 +653,18 @@ xprt_rdma_allocate(struct rpc_task *task)
if (!rpcrdma_get_recvbuf(r_xprt, req, rqst->rq_rcvsize, flags))
goto out_fail;
- dprintk("RPC: %5u %s: send size = %zd, recv size = %zd, req = %p\n",
- task->tk_pid, __func__, rqst->rq_callsize,
- rqst->rq_rcvsize, req);
-
req->rl_cpu = smp_processor_id();
req->rl_connect_cookie = 0; /* our reserved value */
rpcrdma_set_xprtdata(rqst, req);
rqst->rq_buffer = req->rl_sendbuf->rg_base;
rqst->rq_rbuffer = req->rl_recvbuf->rg_base;
+ trace_xprtrdma_allocate(task, req);
return 0;
out_fail:
rpcrdma_buffer_put(req);
+out_get:
+ trace_xprtrdma_allocate(task, NULL);
return -ENOMEM;
}
@@ -682,10 +681,9 @@ xprt_rdma_free(struct rpc_task *task)
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_xprt);
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
- dprintk("RPC: %s: called on 0x%p\n", __func__, req->rl_reply);
-
if (test_bit(RPCRDMA_REQ_F_PENDING, &req->rl_flags))
rpcrdma_release_rqst(r_xprt, req);
+ trace_xprtrdma_rpc_done(task, req);
rpcrdma_buffer_put(req);
}
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index fb81d3a4b0b3..57e1139d85bc 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1385,11 +1385,11 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers)
req = rpcrdma_buffer_get_req_locked(buffers);
req->rl_reply = rpcrdma_buffer_get_rep(buffers);
spin_unlock(&buffers->rb_lock);
+
return req;
out_reqbuf:
spin_unlock(&buffers->rb_lock);
- pr_warn("RPC: %s: out of request buffers\n", __func__);
return NULL;
}
@@ -1612,7 +1612,7 @@ rpcrdma_ep_post_extra_recv(struct rpcrdma_xprt *r_xprt, unsigned int count)
out_reqbuf:
spin_unlock(&buffers->rb_lock);
- pr_warn("%s: no extra receive buffers\n", __func__);
+ trace_xprtrdma_noreps(r_xprt);
return -ENOMEM;
out_rc: