Date: Tue, 07 Sep 2010 07:18:24 +0200 From: Andreas Tobler <andreast@FreeBSD.org> To: Alexander Motin <mav@FreeBSD.org> Cc: Nathan Whitehorn <nwhitehorn@FreeBSD.org>, freebsd-ppc@FreeBSD.org Subject: Re: [RFC] Event timers on PowerPC Message-ID: <4C85CB20.2050204@FreeBSD.org> In-Reply-To: <4C85C791.4090508@FreeBSD.org> References: <4C83BB60.6050400@FreeBSD.org> <4C85617D.4080207@gcc.gnu.org> <4C85C12D.5040604@FreeBSD.org> <4C85C791.4090508@FreeBSD.org>
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On 07.09.10 07:03, Andreas Tobler wrote:
> On 07.09.10 06:35, Alexander Motin wrote:
>> Andreas Toler wrote:
>>> G5 after:
>>> ---------
>>> [bohrium:~] andreast% vmstat -i
>>> interrupt total rate
>>> cpu0:decrementer 1957106 783
>> ...
>>> cpu1:decrementer 176153140 70517
>>> Total 179730709 71949
>>
>> This look strange. Is there indeed such amount of interrupts on CPU1?
>> What patches have you applied? Is it constant or periodic? What can you
>> see in `systat -vm 1`?
>
> Hm, for the details we might ask Nathan.
>
> I applied all three mentioned patches, the base patch and the two
> powerpc patches.
>
> Below the vmstat -i 1 output. The system is up for 5' now. No activity,
> only a few times the below command. The values of the decrementer
> increases continously. About ten within 2''. (early morning observing)
>
> I'll be back in the evening for further tests.
>
> Andreas
>
> [bohrium:~] andreast% vmstat -i 1
> interrupt total rate
> cpu0:decrementer 49668 172
> irq42: iichb0 690 2
> irq312: htpic0 691 2
> irq316: aoagpio0 1 0
> irq282: iichb1 30 0
> irq257: pcm0 1 0
> irq283: ohci0 1 0
> irq284: ohci1 1 0
> irq319: ohci2 ohci+ 314 1
> irq295: ata0 39 0
> irq296: fwohci0 11 0
> irq297: gem0 591 2
> irq256: atapci0 1662 5
> irq376: IPI 20195 70
> cpu1:decrementer 176117266 611518
> Total 176191161 611774
>
Sorry, early morning:
#systat -vm 1
1 users Load 0.00 0.00 0.04 Sep 7 07:17
Mem:KB REAL VIRTUAL VN PAGER SWAP
PAGER
Tot Share Tot Share Free in out in
out
Act 28528 7924 306260 8920 2810148 count
All 64356 9312 15405364 29144 pages
Proc: Interrupts
r p d s w Csw Trp Sys Int Sof Flt cow 210 total
24 432 130 127 165 zfod 166
cpu0:decre
ozfod
iichb0 42
0.4%Sys 0.0%Intr 0.0%User 0.0%Nice 99.6%Idle %ozfod
htpic0 312
| | | | | | | | | | | daefr
aoagpio0
prcfr
iichb1 282
1 dtbuf totfr
pcm0 257
Namei Name-cache Dir-cache 125097 desvn react
ohci0 283
Calls hits % hits % 549 numvn pdwak
ohci1 284
3 3 100 39 frevn pdpgs
ohci2 ohci
intrn
ata0 295
Disks ad0 ad1 51860 wire
fwohci0
KB/t 0.00 0.00 21396 act 4
gem0 297
tps 0 0 9340 inact
atapci0
MB/s 0.00 0.00 48 cache 40
IPI 376
%busy 0 0 2810100 free
cpu1:decre
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