extern int do_proc_stat(int update_every, unsigned long long dt);
extern int do_proc_meminfo(int update_every, unsigned long long dt);
extern int do_proc_vmstat(int update_every, unsigned long long dt);
+extern int do_proc_net_rpc_nfs(int update_every, unsigned long long dt);
extern int do_proc_net_rpc_nfsd(int update_every, unsigned long long dt);
extern int do_proc_sys_kernel_random_entropy_avail(int update_every, unsigned long long dt);
extern int do_proc_interrupts(int update_every, unsigned long long dt);