Re: [Asterisk-Users] Interrupt latency problems

2004-12-07 Thread Michael Welter
Alessandro Ren wrote: Have any of you tried to disable ACPI on the kernel? I turn-off the ACPI service, but I haven't removed it from the kernel. Is there a problem with ACPI holding an interrupt? Thanks, -- Michael Welter Introspect Telephony Corp. Denver, Colorado US +1.303.674.2575 [EMAIL

Re: [Asterisk-Users] Interrupt latency problems

2004-12-07 Thread Alessandro Ren
Title: OpSign     Have any of you tried to disable ACPI on the kernel? Rich Adamson wrote: On Wed, 2004-12-01 at 13:03 -0700, Michael Welter wrote: Steven Critchfield wrote: On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote:

Re: [Asterisk-Users] Interrupt latency problems

2004-12-07 Thread Jon Lawrence
On Wednesday 01 December 2004 20:31, Steven Critchfield wrote: > > I am glad it solved the problem. Now if only someone knew what it was > about the stock RH or FC kernel that makes it happen you could get RH or > FC to stop using that patch. That or maybe more people will be like me > and always c

Re: [Asterisk-Users] Interrupt latency problems

2004-12-03 Thread Michael Welter
The problem of CPU spikes went away on the x86_64 machine with kernel-2.6.9. I have just installed 2.6.9 on an Athlon (K7) box and I'm getting CPU spikes again, this time every three seconds. :-( Unloading wcfxs causes CPU to stay at 0%. Mike Richard Scobie wrote: Rich Adamson wrote: Is thei

Re: [Asterisk-Users] Interrupt latency problems

2004-12-03 Thread Richard Scobie
Rich Adamson wrote: Is their an open Bug # that we can track against for those of us that watch the -cvs list and have a vested interest? I tried, see Bug 2901. Seems probable driver issues don't count as bugs. Reported it to support, who were aware of the issue, requested login to my machine and

Re: [Asterisk-Users] Interrupt latency problems

2004-12-02 Thread Bob Goddard
On Thursday 02 December 2004 18:30, Andrew Kohlsmith wrote: > On December 2, 2004 12:35 pm, Bob Goddard wrote: > > > vmstat only polls every 1 second, *but* it does give interrupt counts > > > and context switches per period. > > > > You can give an interval time and count to vmstat. > > from vmsta

Re: [Asterisk-Users] Interrupt latency problems

2004-12-02 Thread Andrew Kohlsmith
On December 2, 2004 12:35 pm, Bob Goddard wrote: > > vmstat only polls every 1 second, *but* it does give interrupt counts and > > context switches per period. > > You can give an interval time and count to vmstat. from vmstat(8): delay is the delay between updates in seconds. Your granularit

Re: [Asterisk-Users] Interrupt latency problems

2004-12-02 Thread Bob Goddard
On Thursday 02 December 2004 16:25, Andrew Kohlsmith wrote: > On December 1, 2004 02:48 pm, Juan J. Sierralta P. wrote: > > Maybe vmstat(8) could be of help instead of the so flamed top(1). > > vmstat only polls every 1 second, *but* it does give interrupt counts and > context switches per pe

Re: [Asterisk-Users] Interrupt latency problems

2004-12-02 Thread Andrew Kohlsmith
On December 1, 2004 02:48 pm, Juan J. Sierralta P. wrote: > Maybe vmstat(8) could be of help instead of the so flamed top(1). vmstat only polls every 1 second, *but* it does give interrupt counts and context switches per period. -A. ___ Asterisk-

Re: [Asterisk-Users] Interrupt latency problems

2004-12-02 Thread Rich Adamson
> So, isn't the issue he/I are chasing after essentially 'why is cpu > consumption > jumping 30% (or 100%) every ten seconds when zaptel is running with > no calls present? > >>> > >>> > >>>So where is that CPU time going? Is it in the system, or userspace? Have > >>>you tried chan

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Richard Scobie
Steven Critchfield wrote: On Wed, 2004-12-01 at 13:03 -0700, Michael Welter wrote: Steven Critchfield wrote: On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote: So, isn't the issue he/I are chasing after essentially 'why is cpu consumption jumping 30% (or 100%) every ten seconds when zaptel is

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steven Critchfield
On Wed, 2004-12-01 at 14:47 -0600, Rich Adamson wrote: > >Looking at the Changlog for 2.6.9, it would appear a fair amount of > work has been down in the pci stuff and the interrupt support areas. > Since that seems to be an issue that keeps rearing its head with the > digium analog cards, maybe th

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
Rich Adamson wrote: Looking at the Changlog for 2.6.9, it would appear a fair amount of work has been down in the pci stuff and the interrupt support areas. Since that seems to be an issue that keeps rearing its head with the digium analog cards, maybe there is something 'fixed' in that area. Not b

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
It did not fix my spandsp/TxFax problems, however :-( ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-use

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Rich Adamson
> On Wed, 2004-12-01 at 13:03 -0700, Michael Welter wrote: > > Steven Critchfield wrote: > > > On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote: > > > > > > > > >>So, isn't the issue he/I are chasing after essentially 'why is cpu > > >>consumption > > >>jumping 30% (or 100%) every ten secon

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steven Critchfield
On Wed, 2004-12-01 at 13:03 -0700, Michael Welter wrote: > Steven Critchfield wrote: > > On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote: > > > > > >>So, isn't the issue he/I are chasing after essentially 'why is cpu > >>consumption > >>jumping 30% (or 100%) every ten seconds when zaptel i

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
Steven Critchfield wrote: On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote: So, isn't the issue he/I are chasing after essentially 'why is cpu consumption jumping 30% (or 100%) every ten seconds when zaptel is running with no calls present? So where is that CPU time going? Is it in the syste

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steven Critchfield
On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote: > So, isn't the issue he/I are chasing after essentially 'why is cpu consumption > jumping 30% (or 100%) every ten seconds when zaptel is running with > no calls present? So where is that CPU time going? Is it in the system, or userspace? Hav

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Juan J. Sierralta P.
Hi, Maybe vmstat(8) could be of help instead of the so flamed top(1). > > Steven Critchfield wrote: > > > > > top will only report userspace problems, and to top it off, top only > > > reports on snapshots of the system on as low as 1 second. With Zap > > > hardware hitting the system 100

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Rich Adamson
> > > I'm debugging a TxFax problem whereby the fax transmission fails. I > > > suspect interrupt latency--some interrupt routine is holding its > > > interrupt too long. I have all unnecessary services switched off and X > > > is not running when I perform these tests. Some transmission are

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steven Critchfield
On Wed, 2004-12-01 at 11:46 -0700, Michael Welter wrote: > Steven Critchfield wrote: > > > top will only report userspace problems, and to top it off, top only > > reports on snapshots of the system on as low as 1 second. With Zap > > hardware hitting the system 1000 times a second for service, yo

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
Steven Critchfield wrote: top will only report userspace problems, and to top it off, top only reports on snapshots of the system on as low as 1 second. With Zap hardware hitting the system 1000 times a second for service, you might happen to get an occasional hit time here top and the hardware hit

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
I'm seeing a correlation between the fax transmission failure and the second hand on my watch. Failures occur at about :02, :12, :22, :32, :42, and :52. This is +/- the same time as the CPU spike. Can anyone from Digium help with this? Thanks, -- Michael Welter Introspect Telephony Corp. Denve

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
Steve Clark wrote: Forget what I just posted - after watching top for a while about every 30 seconds I see irq% go to about 30%. Steve What are your command line options? -- Michael Welter Introspect Telephony Corp. Denver, Colorado US +1.303.674.2575 [EMAIL PROTECTED] www.introspect.com

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steven Critchfield
On Wed, 2004-12-01 at 13:12 -0500, Steve Clark wrote: > Michael Welter wrote: > > I'm debugging a TxFax problem whereby the fax transmission fails. I > > suspect interrupt latency--some interrupt routine is holding its > > interrupt too long. I have all unnecessary services switched off and X

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steve Clark
Michael Welter wrote: I'm debugging a TxFax problem whereby the fax transmission fails. I suspect interrupt latency--some interrupt routine is holding its interrupt too long. I have all unnecessary services switched off and X is not running when I perform these tests. Some transmission are s

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Steve Clark
Michael Welter wrote: I'm debugging a TxFax problem whereby the fax transmission fails. I suspect interrupt latency--some interrupt routine is holding its interrupt too long. I have all unnecessary services switched off and X is not running when I perform these tests. Some transmission are s

Re: [Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Rich Adamson
> I'm debugging a TxFax problem whereby the fax transmission fails. I > suspect interrupt latency--some interrupt routine is holding its > interrupt too long. I have all unnecessary services switched off and X > is not running when I perform these tests. Some transmission are > successful wh

[Asterisk-Users] Interrupt latency problems

2004-12-01 Thread Michael Welter
I'm debugging a TxFax problem whereby the fax transmission fails. I suspect interrupt latency--some interrupt routine is holding its interrupt too long. I have all unnecessary services switched off and X is not running when I perform these tests. Some transmission are successful while others