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

[Madovsky]

----- Original Message ----- 
From: "Sergey Okhapkin" <sos at sokhapkin.dyndns.org>
To: <freeswitch-users at lists.freeswitch.org>
Sent: Tuesday, March 02, 2010 1:53 PM
Subject: Re: [Freeswitch-users] What FS is doing when idle?


>A program should not be visible in "top" when idle. That's my point.
>
> On Tuesday 02 March 2010, Anthony Minessale wrote:
>> 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.
>> > >> >
>> > >> > _______________________________________________
>> > >> > FreeSWITCH-users mailing list
>> > >> > FreeSWITCH-users at lists.freeswitch.org
>> > >> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> > >> > UNSUBSCRIBE:
>> >
>> > http://lists.freeswitch.org/mailman/options/freeswitch-users
>> >
>> > >> > http://www.freeswitch.org
>> > >
>> > > _______________________________________________
>> > > FreeSWITCH-users mailing list
>> > > FreeSWITCH-users at lists.freeswitch.org
>> > > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> > > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-user
>> > >s http://www.freeswitch.org
>> >
>> > --
>> > Sincerely,
>> >
>> > Giovanni Maruzzelli
>> > Cell : +39-347-2665618
>> >
>> > _______________________________________________
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>> > FreeSWITCH-users at lists.freeswitch.org
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>
>
>
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I follow this thread, and did top on my Linux Fedora 10 64bits and 
freeswitch last svn version (without mod_vmd that not compiles anymore)
in idle mode and I get

10399 root      20   0  438m  37m 8744 S 11.3  0.5  15:31.61 freeswitch

if I remember the previous version took less resources

Regards

F