From ae7246762530af00109c3fb8a30031da054c0aa0 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 20 Dec 2017 16:31:53 -0500 Subject: xprtrdma: Instrument allocation/release of rpcrdma_req/rep objects Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- net/sunrpc/xprtrdma/transport.c | 12 +++++------- net/sunrpc/xprtrdma/verbs.c | 4 ++-- 2 files changed, 7 insertions(+), 9 deletions(-) (limited to 'net/sunrpc') 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: -- cgit v1.2.3-55-g7522