From: Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> To: anna.schumaker-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH v1 09/12] xprtrdma: Add trace points for connect events Date: Wed, 20 Dec 2017 16:31:29 -0500 [thread overview] Message-ID: <20171220213129.29321.8071.stgit@manet.1015granger.net> (raw) In-Reply-To: <20171220210236.29321.59307.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org> Signed-off-by: Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> --- include/trace/events/rpcrdma.h | 75 +++++++++++++++++++++++++++++++++++++++ net/sunrpc/xprtrdma/transport.c | 12 ++---- net/sunrpc/xprtrdma/verbs.c | 33 +++++++---------- 3 files changed, 92 insertions(+), 28 deletions(-) diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index d4dad18..79cc487 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -267,6 +267,81 @@ TP_ARGS(mr)) /** + ** Connection events + **/ + +TRACE_EVENT(xprtrdma_conn_upcall, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + struct rdma_cm_event *event + ), + + TP_ARGS(r_xprt, event), + + TP_STRUCT__entry( + __field(const void *, r_xprt) + __field(unsigned int, event) + __field(int, status) + __string(addr, rpcrdma_addrstr(r_xprt)) + __string(port, rpcrdma_portstr(r_xprt)) + ), + + TP_fast_assign( + __entry->r_xprt = r_xprt; + __entry->event = event->event; + __entry->status = event->status; + __assign_str(addr, rpcrdma_addrstr(r_xprt)); + __assign_str(port, rpcrdma_portstr(r_xprt)); + ), + + TP_printk("peer=[%s]:%s r_xprt=%p: %s (%u/%d)", + __get_str(addr), __get_str(port), + __entry->r_xprt, rdma_show_cm_event(__entry->event), + __entry->event, __entry->status + ) +); + +TRACE_EVENT(xprtrdma_disconnect, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + int status + ), + + TP_ARGS(r_xprt, status), + + TP_STRUCT__entry( + __field(const void *, r_xprt) + __field(int, status) + __field(int, connected) + __string(addr, rpcrdma_addrstr(r_xprt)) + __string(port, rpcrdma_portstr(r_xprt)) + ), + + TP_fast_assign( + __entry->r_xprt = r_xprt; + __entry->status = status; + __entry->connected = r_xprt->rx_ep.rep_connected; + __assign_str(addr, rpcrdma_addrstr(r_xprt)); + __assign_str(port, rpcrdma_portstr(r_xprt)); + ), + + TP_printk("peer=[%s]:%s r_xprt=%p: status=%d %sconnected", + __get_str(addr), __get_str(port), + __entry->r_xprt, __entry->status, + __entry->connected == 1 ? "still " : "dis" + ) +); + +DEFINE_RXPRT_EVENT(xprtrdma_conn_start); +DEFINE_RXPRT_EVENT(xprtrdma_conn_tout); +DEFINE_RXPRT_EVENT(xprtrdma_create); +DEFINE_RXPRT_EVENT(xprtrdma_destroy); +DEFINE_RXPRT_EVENT(xprtrdma_remove); +DEFINE_RXPRT_EVENT(xprtrdma_reinsert); +DEFINE_RXPRT_EVENT(xprtrdma_reconnect); +DEFINE_RXPRT_EVENT(xprtrdma_inject_dsc); + +/** ** Call events **/ diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index ddf0d87..25d1160 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -259,13 +259,10 @@ xprt_clear_connected(xprt); - dprintk("RPC: %s: %sconnect\n", __func__, - r_xprt->rx_ep.rep_connected != 0 ? "re" : ""); rc = rpcrdma_ep_connect(&r_xprt->rx_ep, &r_xprt->rx_ia); if (rc) xprt_wake_pending_tasks(xprt, rc); - dprintk("RPC: %s: exit\n", __func__); xprt_clear_connecting(xprt); } @@ -275,7 +272,7 @@ struct rpcrdma_xprt *r_xprt = container_of(xprt, struct rpcrdma_xprt, rx_xprt); - pr_info("rpcrdma: injecting transport disconnect on xprt=%p\n", xprt); + trace_xprtrdma_inject_dsc(r_xprt); rdma_disconnect(r_xprt->rx_ia.ri_id); } @@ -295,7 +292,7 @@ { struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); - dprintk("RPC: %s: called\n", __func__); + trace_xprtrdma_destroy(r_xprt); cancel_delayed_work_sync(&r_xprt->rx_connect_worker); @@ -306,11 +303,8 @@ rpcrdma_ia_close(&r_xprt->rx_ia); xprt_rdma_free_addresses(xprt); - xprt_free(xprt); - dprintk("RPC: %s: returning\n", __func__); - module_put(THIS_MODULE); } @@ -430,6 +424,7 @@ dprintk("RPC: %s: %s:%s\n", __func__, xprt->address_strings[RPC_DISPLAY_ADDR], xprt->address_strings[RPC_DISPLAY_PORT]); + trace_xprtrdma_create(new_xprt); return xprt; out4: @@ -440,6 +435,7 @@ out2: rpcrdma_ia_close(&new_xprt->rx_ia); out1: + trace_xprtrdma_destroy(new_xprt); xprt_rdma_free_addresses(xprt); xprt_free(xprt); return ERR_PTR(rc); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 1addcc9..7f9e902 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -220,6 +220,7 @@ struct rpcrdma_ep *ep = &xprt->rx_ep; int connstate = 0; + trace_xprtrdma_conn_upcall(xprt, event); switch (event->event) { case RDMA_CM_EVENT_ADDR_RESOLVED: case RDMA_CM_EVENT_ROUTE_RESOLVED: @@ -228,14 +229,10 @@ break; case RDMA_CM_EVENT_ADDR_ERROR: ia->ri_async_rc = -EHOSTUNREACH; - dprintk("RPC: %s: CM address resolution error, ep 0x%p\n", - __func__, ep); complete(&ia->ri_done); break; case RDMA_CM_EVENT_ROUTE_ERROR: ia->ri_async_rc = -ENETUNREACH; - dprintk("RPC: %s: CM route resolution error, ep 0x%p\n", - __func__, ep); complete(&ia->ri_done); break; case RDMA_CM_EVENT_DEVICE_REMOVAL: @@ -299,6 +296,8 @@ struct rdma_cm_id *id; int rc; + trace_xprtrdma_conn_start(xprt); + init_completion(&ia->ri_done); init_completion(&ia->ri_remove_done); @@ -322,8 +321,7 @@ } rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout); if (rc < 0) { - dprintk("RPC: %s: wait() exited: %i\n", - __func__, rc); + trace_xprtrdma_conn_tout(xprt); goto out; } @@ -340,8 +338,7 @@ } rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout); if (rc < 0) { - dprintk("RPC: %s: wait() exited: %i\n", - __func__, rc); + trace_xprtrdma_conn_tout(xprt); goto out; } rc = ia->ri_async_rc; @@ -461,6 +458,8 @@ /* Allow waiters to continue */ complete(&ia->ri_remove_done); + + trace_xprtrdma_remove(r_xprt); } /** @@ -471,7 +470,6 @@ void rpcrdma_ia_close(struct rpcrdma_ia *ia) { - dprintk("RPC: %s: entering\n", __func__); if (ia->ri_id != NULL && !IS_ERR(ia->ri_id)) { if (ia->ri_id->qp) rdma_destroy_qp(ia->ri_id); @@ -625,9 +623,6 @@ void rpcrdma_ep_destroy(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) { - dprintk("RPC: %s: entering, connected is %d\n", - __func__, ep->rep_connected); - cancel_delayed_work_sync(&ep->rep_connect_worker); if (ia->ri_id->qp) { @@ -650,7 +645,7 @@ { int rc, err; - pr_info("%s: r_xprt = %p\n", __func__, r_xprt); + trace_xprtrdma_reinsert(r_xprt); rc = -EHOSTUNREACH; if (rpcrdma_ia_open(r_xprt)) @@ -688,7 +683,7 @@ struct rdma_cm_id *id, *old; int err, rc; - dprintk("RPC: %s: reconnecting...\n", __func__); + trace_xprtrdma_reconnect(r_xprt); rpcrdma_ep_disconnect(ep, ia); @@ -810,16 +805,14 @@ int rc; rc = rdma_disconnect(ia->ri_id); - if (!rc) { + if (!rc) /* returns without wait if not connected */ wait_event_interruptible(ep->rep_connect_wait, ep->rep_connected != 1); - dprintk("RPC: %s: after wait, %sconnected\n", __func__, - (ep->rep_connected == 1) ? "still " : "dis"); - } else { - dprintk("RPC: %s: rdma_disconnect %i\n", __func__, rc); + else ep->rep_connected = rc; - } + trace_xprtrdma_disconnect(container_of(ep, struct rpcrdma_xprt, + rx_ep), rc); ib_drain_qp(ia->ri_id->qp); } -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Chuck Lever <chuck.lever@oracle.com> To: anna.schumaker@netapp.com Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Subject: [PATCH v1 09/12] xprtrdma: Add trace points for connect events Date: Wed, 20 Dec 2017 16:31:29 -0500 [thread overview] Message-ID: <20171220213129.29321.8071.stgit@manet.1015granger.net> (raw) In-Reply-To: <20171220210236.29321.59307.stgit@manet.1015granger.net> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- include/trace/events/rpcrdma.h | 75 +++++++++++++++++++++++++++++++++++++++ net/sunrpc/xprtrdma/transport.c | 12 ++---- net/sunrpc/xprtrdma/verbs.c | 33 +++++++---------- 3 files changed, 92 insertions(+), 28 deletions(-) diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index d4dad18..79cc487 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -267,6 +267,81 @@ TP_ARGS(mr)) /** + ** Connection events + **/ + +TRACE_EVENT(xprtrdma_conn_upcall, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + struct rdma_cm_event *event + ), + + TP_ARGS(r_xprt, event), + + TP_STRUCT__entry( + __field(const void *, r_xprt) + __field(unsigned int, event) + __field(int, status) + __string(addr, rpcrdma_addrstr(r_xprt)) + __string(port, rpcrdma_portstr(r_xprt)) + ), + + TP_fast_assign( + __entry->r_xprt = r_xprt; + __entry->event = event->event; + __entry->status = event->status; + __assign_str(addr, rpcrdma_addrstr(r_xprt)); + __assign_str(port, rpcrdma_portstr(r_xprt)); + ), + + TP_printk("peer=[%s]:%s r_xprt=%p: %s (%u/%d)", + __get_str(addr), __get_str(port), + __entry->r_xprt, rdma_show_cm_event(__entry->event), + __entry->event, __entry->status + ) +); + +TRACE_EVENT(xprtrdma_disconnect, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + int status + ), + + TP_ARGS(r_xprt, status), + + TP_STRUCT__entry( + __field(const void *, r_xprt) + __field(int, status) + __field(int, connected) + __string(addr, rpcrdma_addrstr(r_xprt)) + __string(port, rpcrdma_portstr(r_xprt)) + ), + + TP_fast_assign( + __entry->r_xprt = r_xprt; + __entry->status = status; + __entry->connected = r_xprt->rx_ep.rep_connected; + __assign_str(addr, rpcrdma_addrstr(r_xprt)); + __assign_str(port, rpcrdma_portstr(r_xprt)); + ), + + TP_printk("peer=[%s]:%s r_xprt=%p: status=%d %sconnected", + __get_str(addr), __get_str(port), + __entry->r_xprt, __entry->status, + __entry->connected == 1 ? "still " : "dis" + ) +); + +DEFINE_RXPRT_EVENT(xprtrdma_conn_start); +DEFINE_RXPRT_EVENT(xprtrdma_conn_tout); +DEFINE_RXPRT_EVENT(xprtrdma_create); +DEFINE_RXPRT_EVENT(xprtrdma_destroy); +DEFINE_RXPRT_EVENT(xprtrdma_remove); +DEFINE_RXPRT_EVENT(xprtrdma_reinsert); +DEFINE_RXPRT_EVENT(xprtrdma_reconnect); +DEFINE_RXPRT_EVENT(xprtrdma_inject_dsc); + +/** ** Call events **/ diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index ddf0d87..25d1160 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -259,13 +259,10 @@ xprt_clear_connected(xprt); - dprintk("RPC: %s: %sconnect\n", __func__, - r_xprt->rx_ep.rep_connected != 0 ? "re" : ""); rc = rpcrdma_ep_connect(&r_xprt->rx_ep, &r_xprt->rx_ia); if (rc) xprt_wake_pending_tasks(xprt, rc); - dprintk("RPC: %s: exit\n", __func__); xprt_clear_connecting(xprt); } @@ -275,7 +272,7 @@ struct rpcrdma_xprt *r_xprt = container_of(xprt, struct rpcrdma_xprt, rx_xprt); - pr_info("rpcrdma: injecting transport disconnect on xprt=%p\n", xprt); + trace_xprtrdma_inject_dsc(r_xprt); rdma_disconnect(r_xprt->rx_ia.ri_id); } @@ -295,7 +292,7 @@ { struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); - dprintk("RPC: %s: called\n", __func__); + trace_xprtrdma_destroy(r_xprt); cancel_delayed_work_sync(&r_xprt->rx_connect_worker); @@ -306,11 +303,8 @@ rpcrdma_ia_close(&r_xprt->rx_ia); xprt_rdma_free_addresses(xprt); - xprt_free(xprt); - dprintk("RPC: %s: returning\n", __func__); - module_put(THIS_MODULE); } @@ -430,6 +424,7 @@ dprintk("RPC: %s: %s:%s\n", __func__, xprt->address_strings[RPC_DISPLAY_ADDR], xprt->address_strings[RPC_DISPLAY_PORT]); + trace_xprtrdma_create(new_xprt); return xprt; out4: @@ -440,6 +435,7 @@ out2: rpcrdma_ia_close(&new_xprt->rx_ia); out1: + trace_xprtrdma_destroy(new_xprt); xprt_rdma_free_addresses(xprt); xprt_free(xprt); return ERR_PTR(rc); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 1addcc9..7f9e902 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -220,6 +220,7 @@ struct rpcrdma_ep *ep = &xprt->rx_ep; int connstate = 0; + trace_xprtrdma_conn_upcall(xprt, event); switch (event->event) { case RDMA_CM_EVENT_ADDR_RESOLVED: case RDMA_CM_EVENT_ROUTE_RESOLVED: @@ -228,14 +229,10 @@ break; case RDMA_CM_EVENT_ADDR_ERROR: ia->ri_async_rc = -EHOSTUNREACH; - dprintk("RPC: %s: CM address resolution error, ep 0x%p\n", - __func__, ep); complete(&ia->ri_done); break; case RDMA_CM_EVENT_ROUTE_ERROR: ia->ri_async_rc = -ENETUNREACH; - dprintk("RPC: %s: CM route resolution error, ep 0x%p\n", - __func__, ep); complete(&ia->ri_done); break; case RDMA_CM_EVENT_DEVICE_REMOVAL: @@ -299,6 +296,8 @@ struct rdma_cm_id *id; int rc; + trace_xprtrdma_conn_start(xprt); + init_completion(&ia->ri_done); init_completion(&ia->ri_remove_done); @@ -322,8 +321,7 @@ } rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout); if (rc < 0) { - dprintk("RPC: %s: wait() exited: %i\n", - __func__, rc); + trace_xprtrdma_conn_tout(xprt); goto out; } @@ -340,8 +338,7 @@ } rc = wait_for_completion_interruptible_timeout(&ia->ri_done, wtimeout); if (rc < 0) { - dprintk("RPC: %s: wait() exited: %i\n", - __func__, rc); + trace_xprtrdma_conn_tout(xprt); goto out; } rc = ia->ri_async_rc; @@ -461,6 +458,8 @@ /* Allow waiters to continue */ complete(&ia->ri_remove_done); + + trace_xprtrdma_remove(r_xprt); } /** @@ -471,7 +470,6 @@ void rpcrdma_ia_close(struct rpcrdma_ia *ia) { - dprintk("RPC: %s: entering\n", __func__); if (ia->ri_id != NULL && !IS_ERR(ia->ri_id)) { if (ia->ri_id->qp) rdma_destroy_qp(ia->ri_id); @@ -625,9 +623,6 @@ void rpcrdma_ep_destroy(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) { - dprintk("RPC: %s: entering, connected is %d\n", - __func__, ep->rep_connected); - cancel_delayed_work_sync(&ep->rep_connect_worker); if (ia->ri_id->qp) { @@ -650,7 +645,7 @@ { int rc, err; - pr_info("%s: r_xprt = %p\n", __func__, r_xprt); + trace_xprtrdma_reinsert(r_xprt); rc = -EHOSTUNREACH; if (rpcrdma_ia_open(r_xprt)) @@ -688,7 +683,7 @@ struct rdma_cm_id *id, *old; int err, rc; - dprintk("RPC: %s: reconnecting...\n", __func__); + trace_xprtrdma_reconnect(r_xprt); rpcrdma_ep_disconnect(ep, ia); @@ -810,16 +805,14 @@ int rc; rc = rdma_disconnect(ia->ri_id); - if (!rc) { + if (!rc) /* returns without wait if not connected */ wait_event_interruptible(ep->rep_connect_wait, ep->rep_connected != 1); - dprintk("RPC: %s: after wait, %sconnected\n", __func__, - (ep->rep_connected == 1) ? "still " : "dis"); - } else { - dprintk("RPC: %s: rdma_disconnect %i\n", __func__, rc); + else ep->rep_connected = rc; - } + trace_xprtrdma_disconnect(container_of(ep, struct rpcrdma_xprt, + rx_ep), rc); ib_drain_qp(ia->ri_id->qp); }
next prev parent reply other threads:[~2017-12-20 21:31 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-12-20 21:30 [PATCH v1 00/12] Add static trace points to xprtrdma Chuck Lever 2017-12-20 21:30 ` Chuck Lever [not found] ` <20171220210236.29321.59307.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org> 2017-12-20 21:30 ` [PATCH v1 01/12] rdma/ib: Add trace point macros to display human-readable values Chuck Lever 2017-12-20 21:30 ` Chuck Lever [not found] ` <20171220213023.29321.97527.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org> 2018-01-18 21:49 ` Anna Schumaker 2018-01-18 21:49 ` Anna Schumaker 2018-01-18 21:53 ` Fwd: " Chuck Lever 2018-01-18 21:53 ` Chuck Lever [not found] ` <1245d090-99ee-c517-5f8f-afdb7ffc0456-ZwjVKphTwtPQT0dZR+AlfA@public.gmane.org> 2018-01-18 22:34 ` Jason Gunthorpe 2018-01-18 22:34 ` Jason Gunthorpe [not found] ` <20180118223446.GB17294-uk2M96/98Pc@public.gmane.org> 2018-01-19 11:18 ` Leon Romanovsky 2018-01-19 11:18 ` Leon Romanovsky 2018-01-19 16:19 ` Chuck Lever 2018-01-19 16:19 ` Chuck Lever [not found] ` <73857AF2-BE14-451B-AC9D-1F2B2395CCB7-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> 2018-01-19 19:58 ` Jason Gunthorpe 2018-01-19 19:58 ` Jason Gunthorpe 2017-12-20 21:30 ` [PATCH v1 02/12] rpcrdma: infrastructure for static trace points in rpcrdma.ko Chuck Lever 2017-12-20 21:30 ` Chuck Lever 2017-12-20 21:30 ` [PATCH v1 03/12] xprtrdma: Add trace points in RPC Call transmit paths Chuck Lever 2017-12-20 21:30 ` Chuck Lever 2017-12-20 21:30 ` [PATCH v1 04/12] xprtrdma: Add trace points in the RPC Reply handler paths Chuck Lever 2017-12-20 21:30 ` Chuck Lever 2017-12-20 21:30 ` [PATCH v1 05/12] xprtrdma: Add trace points to instrument memory registration Chuck Lever 2017-12-20 21:30 ` Chuck Lever 2017-12-20 21:31 ` [PATCH v1 06/12] xprtrdma: Add trace points in reply decoder path Chuck Lever 2017-12-20 21:31 ` Chuck Lever 2017-12-20 21:31 ` [PATCH v1 07/12] xprtrdma: Add trace points to instrument memory invalidation Chuck Lever 2017-12-20 21:31 ` Chuck Lever 2017-12-20 21:31 ` [PATCH v1 08/12] xprtrdma: Add trace points to instrument MR allocation and recovery Chuck Lever 2017-12-20 21:31 ` Chuck Lever 2017-12-20 21:31 ` Chuck Lever [this message] 2017-12-20 21:31 ` [PATCH v1 09/12] xprtrdma: Add trace points for connect events Chuck Lever 2017-12-20 21:31 ` [PATCH v1 10/12] xprtrdma: Add trace points in the client-side backchannel code paths Chuck Lever 2017-12-20 21:31 ` Chuck Lever 2017-12-20 21:31 ` [PATCH v1 11/12] xprtrdma: Add trace points to instrument QP and CQ access upcalls Chuck Lever 2017-12-20 21:31 ` Chuck Lever 2017-12-20 21:31 ` [PATCH v1 12/12] xprtrdma: Instrument allocation/release of rpcrdma_req/rep objects Chuck Lever 2017-12-20 21:31 ` Chuck Lever
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