On Wed, 2011-04-27 at 23:24 +0300, Benny Halevy wrote: > On 2011-04-27 21:58, Trond Myklebust wrote: > > On Wed, 2011-04-27 at 21:52 +0300, Benny Halevy wrote: > >> On 2011-04-27 17:16, Trond Myklebust wrote: > >>> On Wed, 2011-04-27 at 07:50 +0300, Benny Halevy wrote: > >>>> On 2011-04-25 17:11, Chuck Lever wrote: > >>>>> Hey all- > >>>>> > >>>>> So what are we going to do when adding NFSv4.2 to this mix? Will we > >>>>> then have to freeze both the NFSv4.1 and NFSv4.0 procedure API in the > >>>>> kernel? Seems painful. > >>>> > >>>> Good question. > >>>> How about changing the stat pseudo-file format to include an op > >>>> identifier along with its respective counter, printing a line per op? > >>> > >>> We already have that in /proc/self/mountstats > >>> > >>> > >> > >> You mean /proc/self/status? > > > > No. > > So can you please explain what you meant by the /proc/self/mountstats > example? > > This is what I see: > > $ head -3 /proc/self/mountstats > device rootfs mounted on / with fstype rootfs > device /proc mounted on /proc with fstype proc > device /sys mounted on /sys with fstype sysfs > > Benny Try mounting an NFS partition. When I do, I also get: device ila.local:/raid0/data/vol0 mounted on /net/ila.local/raid0/data/vol0 with fstype nfs statvers=1.0 opts: rw,vers=3,rsize=32768,wsize=32768,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.20,mountvers=3,mountport=993,mountproto=udp age: 3 caps: caps=0x3fcf,wtmult=4096,dtsize=4096,bsize=0,namlen=255 sec: flavor=1,pseudoflavor=1 events: 4 101 0 0 6 0 107 0 0 0 0 0 12 0 0 0 0 0 0 0 0 0 0 0 0 bytes: 0 0 0 0 0 0 0 0 RPC iostats version: 1.0 p/v: 100003/3 (nfs) xprt: tcp 826 1 1 0 2 24 24 0 24 0 per-op statistics NULL: 0 0 0 0 0 0 0 0 GETATTR: 6 6 0 752 672 0 1 1 SETATTR: 0 0 0 0 0 0 0 0 LOOKUP: 0 0 0 0 0 0 0 0 ACCESS: 5 5 0 692 600 0 1 1 READLINK: 0 0 0 0 0 0 0 0 READ: 0 0 0 0 0 0 0 0 WRITE: 0 0 0 0 0 0 0 0 CREATE: 0 0 0 0 0 0 0 0 MKDIR: 0 0 0 0 0 0 0 0 SYMLINK: 0 0 0 0 0 0 0 0 MKNOD: 0 0 0 0 0 0 0 0 REMOVE: 0 0 0 0 0 0 0 0 RMDIR: 0 0 0 0 0 0 0 0 RENAME: 0 0 0 0 0 0 0 0 LINK: 0 0 0 0 0 0 0 0 READDIR: 0 0 0 0 0 0 0 0 READDIRPLUS: 7 7 0 1112 13832 0 35 36 FSSTAT: 1 1 0 104 84 0 1 1 FSINFO: 2 2 0 208 160 0 0 0 PATHCONF: 1 1 0 104 56 0 0 0 COMMIT: 0 0 0 0 0 0 0 0 Providing this kind of statistic was _exactly_ the reason for adding mountstats in the first place. -- Trond Myklebust Linux NFS client maintainer NetApp Trond.Myklebust@xxxxxxxxxx www.netapp.com -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
