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|
%{
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/clnt.h>
%}
function rpcprocnum:long(_msg:long)
%{
struct rpc_message *msg = (struct rpc_message *)(long) kread(&(THIS->_msg));
struct rpc_procinfo *rpc_proc =
(struct rpc_procinfo *)(long) kread(&(msg->rpc_proc));
THIS->__retvalue = rpc_proc->p_proc;
CATCH_DEREF_FAULT();
%}
function rpcprocname:string(_msg:long)
%{
struct rpc_message *msg = (struct rpc_message *)(long) kread(&(THIS->_msg));
struct rpc_procinfo *rpc_proc =
(struct rpc_procinfo *)(long) kread(&(msg->rpc_proc));
char *p_name = kread(&(rpc_proc->p_name));
char buf[MAXSTRINGLEN];
snprintf(THIS->__retvalue, MAXSTRINGLEN, "%s(%d)",
p_name ? p_name : "NULL" , rpc_proc->p_proc);
CATCH_DEREF_FAULT();
%}
function rpcprogname:string(_clnt:long)
%{
struct rpc_clnt *clnt = (struct rpc_clnt *)(long) kread(&(THIS->_clnt));
char *cl_server = kread(&(clnt->cl_server));
char *cl_protname = kread(&(clnt->cl_protname));
char buf[MAXSTRINGLEN];
snprintf(THIS->__retvalue, MAXSTRINGLEN, "%s:%s",
cl_server ? cl_server : "NULL" ,
cl_protname ? cl_protname : "NULL" );
CATCH_DEREF_FAULT();
%}
global syn_clnt, syn_msg, syn_flags
global asyn_clnt, asyn_msg, asyn_flags
global show_all
probe module("sunrpc").function("rpc_call_sync")
{
if (show_all) {
printf("%s(%d): rpc_call_sync:%s:%s: flags 0x%x\n",
execname(), pid(), rpcprocname($msg),
rpcprogname($clnt), $flags);
}
syn_clnt = $clnt;
syn_msg = $msg;
syn_flags = $flags;
}
probe module("sunrpc").function("rpc_call_sync").return
{
if ($return) {
if (rpcprocnum(syn_msg) != 2 && $return != -2) {
printf("%s(%d): rpc_call_sync:%s:%s: return %d (%s)\n",
execname(), pid(), rpcprocname(syn_msg), rpcprogname(syn_clnt),
$return, errno_str($return));
}
}
}
probe module("sunrpc").function("rpc_call_async")
{
if (show_all) {
printf("%s(%d): rpc_call_sync:%s:%s:flags 0x%x\n",
execname(), pid(), rpcprocname($msg),
rpcprogname($clnt), $flags);
}
asyn_clnt = $clnt;
asyn_msg = $msg;
asyn_flags = $flags;
}
probe module("sunrpc").function("rpc_call_async").return
{
if ($return) {
if (rpcprocnum(asyn_msg) != 2 && $return != -2) {
printf("%s(%d): rpc_call_sync:%s:%s: return %d (%s)\n",
execname(), pid(), rpcprocname(syn_msg), rpcprogname(syn_clnt),
$return, errno_str($return));
}
}
}
probe begin
{
show_all = 0;
if (argc > 0) {
if (isinstr(argv[1], "--show_all")) {
show_all = 1
} else {
error("Usage: sunrpc -- --show_all");
}
}
log("starting sunrpc probe")
}
probe end { log("ending sunrpc probe") }
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