Re: [asterisk-dev] Digium TE820 on BSD: bunch of missed interrupts

2014-05-16 Thread Łukasz Wójcik
W dniu 2014-05-16 20:32, Łukasz Wójcik pisze: On 05/15/2014 07:52, Russ Meyerriecks wrote: On Wed, May 14, 2014 at 1:40 PM, Łukasz Wójcik lukasz.woj...@zoho.com mailto:lukasz.woj...@zoho.com wrote: That's what I just did. It seems that irq handling routine takes 260-280ms during span

Re: [asterisk-dev] Digium TE820 on BSD: bunch of missed interrupts

2014-05-15 Thread Russ Meyerriecks
On Wed, May 14, 2014 at 1:40 PM, Łukasz Wójcik lukasz.woj...@zoho.comwrote: That's what I just did. It seems that irq handling routine takes 260-280ms during span setup. My measurements indicate that the most time is being spent in '__t4_set_timing_source_auto()' This is curious. There is no

[asterisk-dev] Digium TE820 on BSD: bunch of missed interrupts

2014-05-14 Thread Łukasz Wójcik
Hello there, I am developing custom DAHDI-based solution on FreeBSD. My work is based on already working DAHDI port by Max Khon, called dahdi-kmod26. I am using TE820 8-port Digium cards in HDLC mode. The problem I am observing is that starting from the very beginning (just after loading

Re: [asterisk-dev] Digium TE820 on BSD: bunch of missed interrupts

2014-05-14 Thread Russ Meyerriecks
On Wed, May 14, 2014 at 2:57 AM, Łukasz Wójcik lukasz.woj...@zoho.comwrote: I would appreciate any clues and suggestions on how to improve the latency situation. I'm unfamiliar with BSD driver development but here are a couple things I might check: - Ensure the interrupts are being

Re: [asterisk-dev] Digium TE820 on BSD: bunch of missed interrupts

2014-05-14 Thread Łukasz Wójcik
Hello Russ, 2014-05-14 17:36, Russ Meyerriecks: On Wed, May 14, 2014 at 2:57 AM, Łukasz Wójcik lukasz.woj...@zoho.com mailto:lukasz.woj...@zoho.com wrote: I would appreciate any clues and suggestions on how to improve the latency situation. I'm unfamiliar with BSD driver development