100% cpu usage

[Frank Fock]

Warner,

Do you really mean that an AGENT++ agent runs all the time on
100% CPU? I have not seen this before. May be the select timeout
is too small for a 133MHz 486 system... I will try to check it.

Thanks for the patch anyway.

Best regards,
Frank

"M. Warner Losh" wrote:

> I've found a several rather serious performance problems with agent++
> and snmp++v3.  The worst one is that agent++ will eat 100% of the cpu
> all the time on FreeBSD.  The following patch fixes the problem for
> Unix, but I don't know if it does for Win32.   It is against 3.1.6,
> but a similar patch worked for the 3.1.4 series.  The problem is that
> events aren't waited for, they are busy waited for.  This can cause
> problems when your CPU is only a 133MHz 486 :-)
>
> --- src/eventlist.cpp~  Mon Feb 18 15:08:20 2002
> +++ src/eventlist.cpp   Wed Feb 20 16:45:35 2002
> @@ -341,7 +341,7 @@
>
>    do {
>      yield_pump();
> -    SNMPProcessPendingEvents();
> +    SNMPProcessEvents();
>    } while (!snmpEventList->Done(req_id));
>
>    // reset the msg queue
>
> I'll post the other issues in other mail.
>
> Warner