[Freeswitch-users] What FS is doing when idle?

[Anthony Minessale]

I guess if you insist, you have 4 bad boxes with 4 bad kernels, and I bet
none of them are Centos 5.3
if you can reproduce it on a box I can visit (Centos 5.3 would be nice), put
in my ssh key and i'll come and look.

Be sure to remember, as you continue to add to this thread that you are
complaining about FS using 2% of your cpu......
That's somewhat amusing to me.


On Tue, Mar 2, 2010 at 12:23 PM, Giovanni Maruzzelli <gmaruzz at celliax.org>wrote:

> Sergey,
>
> that's not a problem, is how FS works.
>
> That load on the CPU when idle is actually not important. Is just the
> minimum, like in a carburettor.
>
> If you put it under load, you will see that there will need some
> serious load (many calls) to have it ramp up the cpu usage.
>
> -giovanni
>
> On Tue, Mar 2, 2010 at 7:16 PM, Sergey Okhapkin
> <sos at sokhapkin.dyndns.org> wrote:
> > I see the same problem on 4 absolutely different boxes with different
> linux
> > kernels.
> >
> > On Tuesday 02 March 2010, Anthony Minessale wrote:
> >> Well, there you go.
> >> your box is having a hard time doing a simple 1ms sleep in a loop for
> the
> >> centralized core timer.
> >>
> >> It's either your kernel or your box.  My box and every box I have do not
> >> have that problem so you may want to consider a new one.
> >>
> >> FreeSWITCH is FREE so give it a good home.
> >>
> >> The good news is, you can make upwards of 1500 calls on that same 2% of
> cpu
> >> usage.
> >>
> >>
> >>
> >> On Tue, Mar 2, 2010 at 11:51 AM, Sergey Okhapkin
> >>
> >> <sos at sokhapkin.dyndns.org>wrote:
> >> > FS spends half of CPU here (main thread):
> >> >
> >> > #0  0xffffe424 in __kernel_vsyscall ()
> >> > #1  0xb7a82781 in select () from /lib/libc.so.6
> >> > #2  0xb7e392eb in apr_sleep () from
> >> > /opt/freeswitch/lib/libfreeswitch.so.1 #3  0x00000000 in ?? ()
> >> >
> >> > The second half is spent here:
> >> >
> >> > #0  0xb7d50946 in clock_nanosleep () from /lib/librt.so.1
> >> > #1  0xb7e0fa7d in softtimer_runtime () at src/switch_time.c:155
> >> > #2  0xb7dc585a in switch_loadable_module_exec (thread=0xb7101fb8,
> >> > obj=0xb7101da8) at src/switch_loadable_module.c:96
> >> > #3  0xb7e379a8 in dummy_worker () from
> >> > /opt/freeswitch/lib/libfreeswitch.so.1
> >> >
> >> > On Tuesday 02 March 2010, Moises Silva wrote:
> >> > > ps -LlFm -p `pidof freeswitch`
> >> > >
> >> > > That shows you CPU usage per FreeSWITCH thread
> >> > >
> >> > > Then
> >> > >
> >> > > pstack `pidof freeswitch`
> >> > >
> >> > > That shows the stack trace of every FreeSWITCH thread and then you
> can
> >> >
> >> > find
> >> >
> >> > > exactly what is doing.
> >> >
> >> > _______________________________________________
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> >
> >
> >
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>
>
>
> --
> Sincerely,
>
> Giovanni Maruzzelli
> Cell : +39-347-2665618
>
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-- 
Anthony Minessale II

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