systat output from one of Box-es:
4 users Load 0.89 0.35 0.22 Sun Jul 14 13:34:03
2013
memory totals (in KB) PAGING SWAPPING
Interrupts
real virtual free in out in out 12188
total
Active 24660 24660 3930924 ops 807
clock
All 102832 102832 8336372 pages 4998 ipi
6383 em0
Proc:r d s w Csw Trp Sys Int Sof Flt forks em2
6 10956 2637 3610 64629 78 fkppw
ehci0
fksvm em4
4.9%Int 7.3%Sys 0.0%Usr 0.0%Nic 87.8%Idle pwait
uhci0
| | | | | | | | | | | relck
ehci1
||==== rlkok
pciide0
noram
Namei Sys-cache Proc-cache No-cache ndcpy
Calls hits % hits % miss % fltcp
zfod
cow
Disks wd0 33614 fmin
seeks 44818 ftarg
xfers itarg
speed 8 wired
sec pdfre
pdscn
pzidle
25 kmapent
On Sun, Jul 14, 2013 at 1:25 PM, Christopher Zimmermann <[email protected]
> wrote:
> On Sun, 14 Jul 2013 13:13:32 +0300
> Evgeniy Sudyr <[email protected]> wrote:
>
> > During iperf tests I see that both servers CPU usage is low and iperf
> > is only CPU consumer:
> >
> > load averages: 0.91, 0.36,
> > 0.39
> > gateway 15:55:06
> > 29 processes: 28 idle, 1 on processor
> > All CPUs: 0.0% user, 0.0% nice, 7.8% system, 5.8% interrupt,
> > 86.3% idle Memory: Real: 19M/95M act/tot Free: 31G Cache: 34M Swap:
> > 0K/32G
> >
> > PID USERNAME PRI NICE SIZE RES STATE WAIT TIME CPU
> > COMMAND 7243 root 28 0 1696K 1736K idle - 6:45
> > 33.30% iperf 19984 ejectevg 28 0 1132K 2132K onproc/3 -
> > 0:02 1.46% top 23492 root 2 0 1692K 716K idle -
> > 346:47 0.00% isakmpd
>
> Hi,
>
> I'm no expert in performance tuning, but I guess systat output would be
> more interesting since IPsec work is done in kernel - not in userspace.
> I also would guess that SMP doesn't help here, so doing the benchmarks
> with a non-SMP kernel would probably give better scaled % numbers for
> interrupt, system and userspace CPU usage.
>
> Christopher
>
--
--
With regards,
Eugene Sudyr
