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SUNRPC: Trace the rpc_create_args

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Pass the upper layer's rpc_create_args to the rpc_clnt_new()
tracepoint so additional parts of the upper layer's request can be
recorded.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Chuck Lever 2023-06-07 09:57:37 -04:00 committed by Trond Myklebust
parent 5000531912
commit 97d1c83c3f
2 changed files with 43 additions and 11 deletions
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52
include/trace/events/sunrpc.h
View file

@ -139,36 +139,68 @@ DEFINE_RPC_CLNT_EVENT(release);
DEFINE_RPC_CLNT_EVENT(replace_xprt);
DEFINE_RPC_CLNT_EVENT(replace_xprt_err);
TRACE_DEFINE_ENUM(RPC_XPRTSEC_NONE);
TRACE_DEFINE_ENUM(RPC_XPRTSEC_TLS_X509);
#define rpc_show_xprtsec_policy(policy) \
__print_symbolic(policy, \
{ RPC_XPRTSEC_NONE, "none" }, \
{ RPC_XPRTSEC_TLS_ANON, "tls-anon" }, \
{ RPC_XPRTSEC_TLS_X509, "tls-x509" })
#define rpc_show_create_flags(flags) \
__print_flags(flags, "|", \
{ RPC_CLNT_CREATE_HARDRTRY, "HARDRTRY" }, \
{ RPC_CLNT_CREATE_AUTOBIND, "AUTOBIND" }, \
{ RPC_CLNT_CREATE_NONPRIVPORT, "NONPRIVPORT" }, \
{ RPC_CLNT_CREATE_NOPING, "NOPING" }, \
{ RPC_CLNT_CREATE_DISCRTRY, "DISCRTRY" }, \
{ RPC_CLNT_CREATE_QUIET, "QUIET" }, \
{ RPC_CLNT_CREATE_INFINITE_SLOTS, \
"INFINITE_SLOTS" }, \
{ RPC_CLNT_CREATE_NO_IDLE_TIMEOUT, \
"NO_IDLE_TIMEOUT" }, \
{ RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT, \
"NO_RETRANS_TIMEOUT" }, \
{ RPC_CLNT_CREATE_SOFTERR, "SOFTERR" }, \
{ RPC_CLNT_CREATE_REUSEPORT, "REUSEPORT" })
TRACE_EVENT(rpc_clnt_new,
TP_PROTO(
const struct rpc_clnt *clnt,
const struct rpc_xprt *xprt,
const char *program,
const char *server
const struct rpc_create_args *args
),
TP_ARGS(clnt, xprt, program, server),
TP_ARGS(clnt, xprt, args),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__field(unsigned long, xprtsec)
__field(unsigned long, flags)
__string(program, clnt->cl_program->name)
__string(server, xprt->servername)
__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;
__entry->xprtsec = args->xprtsec.policy;
__entry->flags = args->flags;
__assign_str(program, clnt->cl_program->name);
__assign_str(server, xprt->servername);
__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=" SUNRPC_TRACE_CLID_SPECIFIER
" peer=[%s]:%s program=%s server=%s",
TP_printk("client=" SUNRPC_TRACE_CLID_SPECIFIER " peer=[%s]:%s"
" program=%s server=%s xprtsec=%s flags=%s",
__entry->client_id, __get_str(addr), __get_str(port),
__get_str(program), __get_str(server))
__get_str(program), __get_str(server),
rpc_show_xprtsec_policy(__entry->xprtsec),
rpc_show_create_flags(__entry->flags)
)
);
TRACE_EVENT(rpc_clnt_new_err,

2
net/sunrpc/clnt.c
View file

@ -435,7 +435,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args,
if (parent)
refcount_inc(&parent->cl_count);
trace_rpc_clnt_new(clnt, xprt, program->name, args->servername);
trace_rpc_clnt_new(clnt, xprt, args);
return clnt;
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