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SUNRPC: Trace transport lifetime events

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Refactor: Hoist create/destroy/disconnect tracepoints out of
xprtrdma and into the generic RPC client. Some benefits include:

- Enable tracing of xprt lifetime events for the socket transport
  types

- Expose the different types of disconnect to help run down
  issues with lingering connections

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
2020-05-12 17:13:34 -04:00
committed by Anna Schumaker
parent c509f15a58
commit 911813d7a1
5 changed files with 46 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/events/rpcrdma.h
-4
View File
@@ -380,12 +380,8 @@ TRACE_EVENT(xprtrdma_inline_thresh,
DEFINE_CONN_EVENT(connect);
DEFINE_CONN_EVENT(disconnect);
DEFINE_CONN_EVENT(flush_dct);
DEFINE_RXPRT_EVENT(xprtrdma_create);
DEFINE_RXPRT_EVENT(xprtrdma_op_destroy);
DEFINE_RXPRT_EVENT(xprtrdma_op_inject_dsc);
DEFINE_RXPRT_EVENT(xprtrdma_op_close);
DEFINE_RXPRT_EVENT(xprtrdma_op_setport);
TRACE_EVENT(xprtrdma_op_connect,
include/trace/events/sunrpc.h
+35
View File
@@ -724,6 +724,41 @@ DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_reset_connection);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_close);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_shutdown);
DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
TP_PROTO(
const struct rpc_xprt *xprt
),
TP_ARGS(xprt),
TP_STRUCT__entry(
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=[%s]:%s", __get_str(addr), __get_str(port))
);
#define DEFINE_RPC_XPRT_LIFETIME_EVENT(name) \
DEFINE_EVENT(rpc_xprt_lifetime_class, \
xprt_##name, \
TP_PROTO( \
const struct rpc_xprt *xprt \
), \
TP_ARGS(xprt))
DEFINE_RPC_XPRT_LIFETIME_EVENT(create);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_auto);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_done);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_force);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_cleanup);
DEFINE_RPC_XPRT_LIFETIME_EVENT(destroy);
DECLARE_EVENT_CLASS(rpc_xprt_event,
TP_PROTO(
const struct rpc_xprt *xprt,