Re: Too many programs called nfsiostat.

[NeilBrown <neilb@suse.de>]

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On Tue, 21 Jan 2014 10:40:01 -0500 Chuck Lever <chuck.lever@oracle.com> wrote:

> 
> On Jan 20, 2014, at 10:45 PM, NeilBrown <neilb@suse.de> wrote:
> 
> > 
> > (This time without the typo in Chuck's address - sorry).
> > 
> > Not quite a year ago I wrote:
> > 
> > On Wed, 10 Apr 2013 09:46:39 +1000 NeilBrown <neilb@suse.de> wrote:
> > 
> >> 
> >> Hi all,
> >> it seems that in 2010, a program called nfsiostat was added to the sysstat
> >> package (http://sebastien.godard.pagesperso-orange.fr/)
> >> 
> >> This is unfortunate because in 2008 a program called nfsiostat was added to
> >> the nfs-utils package.
> >>    (https://www.kernel.org/pub/linux/utils/nfs-utils/1.2.7/)
> >> 
> >> The default install locations seem to be different (/usr/bin vs /usr/sbin),
> >> so packagers would not immediately notice.
> >> 
> >> This seems like something that should be "fixed".
> >> 
> >> Any suggestions what a good "fix" should look like?
> >> 
> >> NeilBrown
> > 
> > 
> > No suggestions were forthcoming.
> > So I have a suggestion.
> > I propose we rename the "nfsiostat" in the "sysstat" package to
> > "nfsio-sysstat" and the "nfsiostat" in "nfs-utils" to
> > "nfs-utils-iostat".
> > 
> > Does anyone object?  If not I'll send off patches shortly :-)
> 
> What does the sysstat version do?  do we need two programs, or can they be merged?  Or can one be dropped?
> 

It reads /proc/self/mountstats and reports some numbers, not unlike the
nfs-utils version.

$ /usr/sbin/nfsiostat 

eli:/home mounted on /mnt:

   op/s		rpc bklog
   3.55	   0.00
read:            ops/s		   kB/s		  kB/op		retrans		avg RTT (ms)	avg exe (ms)
		  0.000	  0.000	  0.000       0 (0.0%)	  0.000	  0.000
write:           ops/s		   kB/s		  kB/op		retrans		avg RTT (ms)	avg exe (ms)
		  0.000	  0.000	  0.000       0 (0.0%)	  0.000	  0.000
$ /usr/bin/nfsiostat 
Linux 3.11.6-4-desktop (notabene.brown) 	01/22/2014 	_x86_64_	(8 CPU)

Filesystem:               rkB_nor/s    wkB_nor/s    rkB_dir/s    wkB_dir/s    rkB_svr/s    wkB_svr/s     ops/s    rops/s    wops/s
eli:/home                      0.00         0.00         0.00         0.00         0.00         0.00      0.00      0.00      0.00


The man page for the sysstat version is:

http://www.makelinux.com/man/1/N/nfsiostat

while man page for nfs-utils version is:

http://linux.die.net/man/8/nfsiostat

NeilBrown

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