On Sat, 17 Apr 2004, Andreas Pettersson wrote: > I've been monitoring squid 2.5 on FreeBSD 5.0 with mrtg for several months. > The MIB is dated 2003/05/02 and defines cacheCpuUsage as "cacheSysPerf 5". > However the retrieved integer nearly always shows up as 0 or 1, even when > top or the cachemgr says squid is consuming 15-20% of the cpu.
The problem with this is that it is the average CPU usage since startup, meaning that if your Squid has been idle for a long time this has a significant impact on this gauge. Use the derive of the cacheCpuTime counter instead with the Y scale 1-60/minute. The "5 min average" from the general runtime information is also useable. This is not represented in the SNMP mib however. Regards Henrik
