[Asterisk-bsd] Zaptel TDM400 CPU interrupt percentages on .11

[Bill Harris]

Just built it, and same results.   Here's iostat 2....

       tty             ad0             cpu
  tin tout  KB/t tps  MB/s  us ni sy in id
    0   15  7.60   1  0.01   0  0  0 16 83
    0   64  0.00   0  0.00   0  0  0 15 85
    0   21  0.00   0  0.00   0  0  0 17 83
    0   21  0.00   0  0.00   0  0  0 18 82
    0   21  0.00   0  0.00   0  0  0 14 86
    0   21  0.00   0  0.00   0  0  1 16 83
    0   21  0.00   0  0.00   0  0  0 17 83
    0   21  0.00   0  0.00   0  0  0 14 86
    0   21  0.00   0  0.00   0  0  0 15 85
    0   21  0.00   0  0.00   0  0  0 17 83
    0   21  0.00   0  0.00   0  0  1 15 84

Here's my kldstat output:

  kldstat
Id Refs Address    Size     Name
  1    7 0xc0400000 2a4a54   kernel
  2   14 0xc06a5000 56270    acpi.ko
  3    1 0xc17b0000 24000    usb.ko
58    3 0xc1aeb000 2f000    zaptel.ko
59    1 0xc1b1e000 a000     wcfxs.ko
60    1 0xc3a48000 2000     ztdummy.ko

Here's [ zap/show/status ]

*CLI> zap show status
Description                              Alarms     IRQ        bpviol   
   CRC4
Wildcard TDM400P REV E/F Board 1         OK         0          0        
   0
ZTDUMMY/1 1                              UNCONFIGUR 0          0        
   0

It's a Via 500Mhz processor, 5.4-RELEASE...

Bill


On May 16, 2006, at 7:26 AM, Kim Culhan wrote:

> On Mon, May 15, 2006 10:05 pm, Bill Harris said:
>> I got a Digium TDM400P working pretty well with FreeBSD 5.4-RELEASE.
>>
>>
>> With 1 channel configured, the CPU is burning about 14-20% in
>> interrupts.
>>
>> Is that pretty normal, and acceptable?  Is there any way to reduce the
>> interrupt load, or should it be a concern.
>
> This is quite high, zaptel/asterisk here running on FreeBSD-6.1 shows
> around 0-1%.
>
> You can get the latest zaptel for FreeBSD via subversion and it 
> compiles
> with no problem on 6.1-RELEASE.
>
> If you need any help please let me know.
>
> -kim
>
> --
> w8hdkim at gmail.com
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Bill Harris
Director of Technology
Royse City ISD
(972)-635-5050