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mrosedale_13329's avatar
mrosedale_13329
Icon for Nimbostratus rankNimbostratus
Sep 13, 2013

SNMP CPU Usage

I'm curious what the difference between these two numbers is? sysGlobalHostCpuUsageRatio (uses a 5-second polling interval) sysGlobalHostCpuUsageRatio5s (also uses a 5-second polling interval)   ...
active monitors
application health monitoring
snmp
  • Derek_Stender_1's avatar
    Derek_Stender_1
    Sep 13, 2013

    There appears to be a known issue for certain versions: http://support.f5.com/kb/en-us/solutions/public/13000/000/sol13091.html

     

nitass's avatar
nitass
Icon for Employee rankEmployee
Sep 15, 2013

sysGlobalHostCpuUsageRatio (uses a 5-second polling interval)

is it not 10-second interval?

sysGlobalHostCpuUsageRatio OBJECT-TYPE 
  SYNTAX Gauge
  MAX-ACCESS read-only
  STATUS current
  DESCRIPTION
    "This is usage ratio of CPU for the system. It is calculated by (sum of detals for user, niced, system)/(sum of deltas of user, niced, system, idle, irq, softirq, and iowait), where each delta is the difference for each stat over the last 10-second interval;
    user: sysGlobalHostCpuUser;
    niced: sysGlobalHostCpuNiced;
    stolen: sysGlobalHostCpuStolen;
    system: sysGlobalHostCpuSystem;
    idle: sysGlobalHostCpuIdle;
    irq: sysGlobalHostCpuIrq;
    iowait: sysGlobalHostCpuIowait"
  ::= { sysGlobalHost 13 }