I would like to create a threshold that triggers off the average for all cpus versus off of an individual cpu. Is this possible in a threshold and if so how?
For a Windows system running Prognosis Platform, use the NtCpuSystem (NTCPUSYS) record instead of the NtCpu (NTCPU) record.
The NtCpuSystem (NTCPUSYS) record shows combined usage of all the CPUs. The Where Clause should be set to trigger for a percentage greater than XX of the BusyPercent (BUSY) field.
Example Where Clause: BUSY > 70
I have not been able to get a threshold to average CPUs. I was able to do this with an ANALYST.
If you have the AA product, here is an ANALYST rule that averages our 4 CPUs and logs an event to the problem log.
SECTION CONFIG CONVERT_TO_UPPER OFF NUMERIC CPU_00_BUSY NUMERIC CPU_01_BUSY NUMERIC CPU_02_BUSY NUMERIC CPU_03_BUSY END_SECTION SECTION RULE_DEF RULE Cpu-average-busy PRIMARY STRING RuleName STRING msgText RECORD cpu WHERE cpu.pebladea = "U" EVERY 60 seconds REFRESH 60 seconds ACTION SET RuleName := "Cpu-average-busy" END_ACTION IF @cpu.cpuno = 0 SET CPU_00_BUSY := @cpu.busy ! set msgText := subst( "CPU 0 @CPU_00_BUSY@% busy") ! LOG problem 00200 IMMEDIATELY END_IF IF @cpu.cpuno = 1 SET CPU_01_BUSY := @cpu.busy ! set msgText := subst( "CPU 1 @CPU_01_BUSY@% busy") ! LOG problem 00200 IMMEDIATELY END_IF IF @cpu.cpuno = 2 SET CPU_02_BUSY := @cpu.busy ! set msgText := subst( "CPU 2 @CPU_02_BUSY@% busy") ! LOG problem 00200 IMMEDIATELY END_IF IF @cpu.cpuno = 3 SET CPU_03_BUSY := @cpu.busy ! set msgText := subst( "CPU 3 @CPU_03_BUSY@% busy") ! LOG problem 00200 IMMEDIATELY start rule summ_cpus wait END_IF END_RULE RULE summ_cpus SECONDARY NUMERIC CPU_average STRING msgText RECORD PNODES WHERE ALL REFRESH 10 SECONDS ACTION SET CPU_average := (CPU_00_BUSY + CPU_01_BUSY + CPU_02_BUSY + CPU_03_BUSY)/4 END_ACTION if CPU_average > 50 set msgText := subst( "average cpubusy of @CPU_average@%is greater than limit of 50% ") LOG problem 00200 IMMEDIATELY END_IF END_RULE END_SECTION SECTION MSG_TEXT MSG 00200 "@MsgText@" END_SECTION
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