sysctl -zarc for ZFS users

[Yoshihiro Ota]

Thank you for your report, Maurizio.

I missed 'svn add zarc.c' and resuled an incompelte patch.
I uploaded a new one with a complete set to the bugzilla.

Please try against clean directory, i.e. svn revert -R usr.bin/systat.

Thanks,
Hiro


On Sat, 6 Dec 2014 15:28:05 +0100
"Ranjan1018 ." <214748mv at gmail.com> wrote:

> 2014-12-06 11:35 GMT+01:00 Yoshihiro Ota <ota at j.email.ne.jp>:
> 
> > Hi all.
> >
> > I've been watching ZFS activites on my machine and
> > improved systat to monitor such.
> >
> > One of my first goals is to watch ZFS cache statistics.
> >
> > I posted my patch to the bugzilla @
> > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195460
> > I've been using on 11-CURRENT and 10.1-RELEASE myself.
> >
> > Regards,
> > Hiro
> >
> > % systat -zarc
> >                        Total     MFU     MRU    Anon     Hdr   L2Hdr
> >  Other
> >      ZFS ARC            206M     63M    136M    826K   1102K      0K
> >  5251K
> >
> >                                 rate    hits  misses   total hits total
> > misses
> >      arcstats                  : 75%    1183     388        23721
> >  4202
> >      arcstats.demand_data      :  0%       0       0          528
> >   0
> >      arcstats.demand_metadata  : 76%    1007     308        21441
> >  2757
> >      arcstats.prefetch_data    :  0%       0       0            0
> >   0
> >      arcstats.prefetch_metadata: 68%     176      80         1752
> >  1445
> >      zfetchstats               : 44%     954    1204        26410
> > 25482
> >      arcstats.l2               :  0%       0       0            0
> >   0
> >      vdev_cache_stats          :  0%       0       0            0
> >   0
> >
> 
> Hi Hiro,
> 
> just applied the patch, but I receive the error:
> 
> # make
> make: don't know how to make zarc.c. Stop
> make: stopped in /usr/src/usr.bin/systat
> 
> The file zarc,c is missing. Where can I find it ?
> 
> Thanks.
> Maurizio
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