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SUNRPC: Trace a few more generic svc_xprt events

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In lieu of dprintks or tracepoints in each individual transport
implementation, introduce tracepoints in the generic part of the RPC
layer. These typically fire for connection lifetime events, so
shouldn't contribute a lot of noise.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-05-18 10:21:22 -04:00
parent 4b8f380e46
commit 11bbb0f76e
5 changed files with 45 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/events/rpcrdma.h
-32
View File
@@ -1279,38 +1279,6 @@ TRACE_EVENT(xprtrdma_leaked_rep,
** Server-side RPC/RDMA events
**/
DECLARE_EVENT_CLASS(svcrdma_xprt_event,
TP_PROTO(
const struct svc_xprt *xprt
),
TP_ARGS(xprt),
TP_STRUCT__entry(
__field(const void *, xprt)
__string(addr, xprt->xpt_remotebuf)
),
TP_fast_assign(
__entry->xprt = xprt;
__assign_str(addr, xprt->xpt_remotebuf);
),
TP_printk("xprt=%p addr=%s",
__entry->xprt, __get_str(addr)
)
);
#define DEFINE_XPRT_EVENT(name) \
DEFINE_EVENT(svcrdma_xprt_event, svcrdma_xprt_##name, \
TP_PROTO( \
const struct svc_xprt *xprt \
), \
TP_ARGS(xprt))
DEFINE_XPRT_EVENT(accept);
DEFINE_XPRT_EVENT(free);
DECLARE_EVENT_CLASS(svcrdma_accept_class,
TP_PROTO(
const struct svcxprt_rdma *rdma,
include/trace/events/sunrpc.h
+36 -3
View File
@@ -1236,9 +1236,42 @@ DECLARE_EVENT_CLASS(svc_xprt_event,
show_svc_xprt_flags(__entry->flags))
);
DEFINE_EVENT(svc_xprt_event, svc_xprt_no_write_space,
TP_PROTO(struct svc_xprt *xprt),
TP_ARGS(xprt));
#define DEFINE_SVC_XPRT_EVENT(name) \
DEFINE_EVENT(svc_xprt_event, svc_xprt_##name, \
TP_PROTO( \
struct svc_xprt *xprt \
), \
TP_ARGS(xprt))
DEFINE_SVC_XPRT_EVENT(no_write_space);
DEFINE_SVC_XPRT_EVENT(close);
DEFINE_SVC_XPRT_EVENT(detach);
DEFINE_SVC_XPRT_EVENT(free);
TRACE_EVENT(svc_xprt_accept,
TP_PROTO(
const struct svc_xprt *xprt,
const char *service
),
TP_ARGS(xprt, service),
TP_STRUCT__entry(
__string(addr, xprt->xpt_remotebuf)
__string(protocol, xprt->xpt_class->xcl_name)
__string(service, service)
),
TP_fast_assign(
__assign_str(addr, xprt->xpt_remotebuf);
__assign_str(protocol, xprt->xpt_class->xcl_name)
__assign_str(service, service);
),
TP_printk("addr=%s protocol=%s service=%s",
__get_str(addr), __get_str(protocol), __get_str(service)
)
);
TRACE_EVENT(svc_xprt_dequeue,
TP_PROTO(struct svc_rqst *rqst),