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Add kernel support for NFSSVC_ZEROCLTSTATS and NFSSVC_ZEROSRVSTATS

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so that they can be used by nfsstat(1) to implement the "-z" option
for the new NFS subsystem.

MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2011-05-04 13:36:18 +00:00
parent 2b08b570cb
commit 2e3b981a4d
2 changed files with 60 additions and 0 deletions
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58
sys/fs/nfs/nfs_commonport.c
View File

@ -404,6 +404,64 @@ nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
} else if (uap->flag & NFSSVC_GETSTATS) {
error = copyout(&newnfsstats,
CAST_USER_ADDR_T(uap->argp), sizeof (newnfsstats));
if (error == 0) {
if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
newnfsstats.attrcache_hits = 0;
newnfsstats.attrcache_misses = 0;
newnfsstats.lookupcache_hits = 0;
newnfsstats.lookupcache_misses = 0;
newnfsstats.direofcache_hits = 0;
newnfsstats.direofcache_misses = 0;
newnfsstats.accesscache_hits = 0;
newnfsstats.accesscache_misses = 0;
newnfsstats.biocache_reads = 0;
newnfsstats.read_bios = 0;
newnfsstats.read_physios = 0;
newnfsstats.biocache_writes = 0;
newnfsstats.write_bios = 0;
newnfsstats.write_physios = 0;
newnfsstats.biocache_readlinks = 0;
newnfsstats.readlink_bios = 0;
newnfsstats.biocache_readdirs = 0;
newnfsstats.readdir_bios = 0;
newnfsstats.rpcretries = 0;
newnfsstats.rpcrequests = 0;
newnfsstats.rpctimeouts = 0;
newnfsstats.rpcunexpected = 0;
newnfsstats.rpcinvalid = 0;
bzero(newnfsstats.rpccnt,
sizeof(newnfsstats.rpccnt));
}
if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
newnfsstats.srvrpc_errs = 0;
newnfsstats.srv_errs = 0;
newnfsstats.srvcache_inproghits = 0;
newnfsstats.srvcache_idemdonehits = 0;
newnfsstats.srvcache_nonidemdonehits = 0;
newnfsstats.srvcache_misses = 0;
newnfsstats.srvcache_tcppeak = 0;
newnfsstats.srvcache_size = 0;
newnfsstats.srvclients = 0;
newnfsstats.srvopenowners = 0;
newnfsstats.srvopens = 0;
newnfsstats.srvlockowners = 0;
newnfsstats.srvlocks = 0;
newnfsstats.srvdelegates = 0;
newnfsstats.clopenowners = 0;
newnfsstats.clopens = 0;
newnfsstats.cllockowners = 0;
newnfsstats.cllocks = 0;
newnfsstats.cldelegates = 0;
newnfsstats.cllocalopenowners = 0;
newnfsstats.cllocalopens = 0;
newnfsstats.cllocallockowners = 0;
newnfsstats.cllocallocks = 0;
bzero(newnfsstats.srvrpccnt,
sizeof(newnfsstats.srvrpccnt));
bzero(newnfsstats.cbrpccnt,
sizeof(newnfsstats.cbrpccnt));
}
}
return (error);
} else if (uap->flag & NFSSVC_NFSUSERDPORT) {
u_short sockport;

2
sys/nfs/nfssvc.h
View File

@ -64,5 +64,7 @@
#define NFSSVC_CBADDSOCK 0x00200000
#define NFSSVC_GETSTATS 0x00400000
#define NFSSVC_BACKUPSTABLE 0x00800000
#define NFSSVC_ZEROCLTSTATS 0x01000000 /* modifier for GETSTATS */
#define NFSSVC_ZEROSRVSTATS 0x02000000 /* modifier for GETSTATS */
#endif /* _NFS_NFSSVC_H */