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SUNRPC: trace RPC client lifetime events

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The "create" tracepoint records parts of the rpc_create arguments,
and the shutdown tracepoint records when the rpc_clnt is about to
signal pending tasks and destroy auths.

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 17:13:39 -04:00
committed by Anna Schumaker
parent 911813d7a1
commit 42aad0d7f9
2 changed files with 126 additions and 24 deletions
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111
include/trace/events/sunrpc.h
View File

@@ -65,6 +65,117 @@ DEFINE_RPCXDRBUF_EVENT(recvfrom);
DEFINE_RPCXDRBUF_EVENT(reply_pages);
DECLARE_EVENT_CLASS(rpc_clnt_class,
TP_PROTO(
const struct rpc_clnt *clnt
),
TP_ARGS(clnt),
TP_STRUCT__entry(
__field(unsigned int, client_id)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
),
TP_printk("clid=%u", __entry->client_id)
);
#define DEFINE_RPC_CLNT_EVENT(name) \
DEFINE_EVENT(rpc_clnt_class, \
rpc_clnt_##name, \
TP_PROTO( \
const struct rpc_clnt *clnt \
), \
TP_ARGS(clnt))
DEFINE_RPC_CLNT_EVENT(free);
DEFINE_RPC_CLNT_EVENT(killall);
DEFINE_RPC_CLNT_EVENT(shutdown);
DEFINE_RPC_CLNT_EVENT(release);
DEFINE_RPC_CLNT_EVENT(replace_xprt);
DEFINE_RPC_CLNT_EVENT(replace_xprt_err);
TRACE_EVENT(rpc_clnt_new,
TP_PROTO(
const struct rpc_clnt *clnt,
const struct rpc_xprt *xprt,
const char *program,
const char *server
),
TP_ARGS(clnt, xprt, program, server),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
__string(program, program)
__string(server, server)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
__assign_str(program, program)
__assign_str(server, server)
),
TP_printk("client=%u peer=[%s]:%s program=%s server=%s",
__entry->client_id, __get_str(addr), __get_str(port),
__get_str(program), __get_str(server))
);
TRACE_EVENT(rpc_clnt_new_err,
TP_PROTO(
const char *program,
const char *server,
int error
),
TP_ARGS(program, server, error),
TP_STRUCT__entry(
__field(int, error)
__string(program, program)
__string(server, server)
),
TP_fast_assign(
__entry->error = error;
__assign_str(program, program)
__assign_str(server, server)
),
TP_printk("program=%s server=%s error=%d",
__get_str(program), __get_str(server), __entry->error)
);
TRACE_EVENT(rpc_clnt_clone_err,
TP_PROTO(
const struct rpc_clnt *clnt,
int error
),
TP_ARGS(clnt, error),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__field(int, error)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
__entry->error = error;
),
TP_printk("client=%u error=%d", __entry->client_id, __entry->error)
);
TRACE_DEFINE_ENUM(RPC_AUTH_OK);
TRACE_DEFINE_ENUM(RPC_AUTH_BADCRED);
TRACE_DEFINE_ENUM(RPC_AUTH_REJECTEDCRED);