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1、InterpretingesxtopStatisticsInterpretingesxtopStatisticsTableofContentsSection1.IntroductionSection2.CPUSection2.1WorldsandGroupsSection2.2PCPUsSection2.3GlobalStatisticsSection2.4WorldStatisticsSection3.MemorySection3.1MachineMemoryandGuestPhysicalMemorySectio
2、n3.2GlobalStatisticsSection3.3GroupStatisticsSection4DiskSection4.1Adapter,Device,VMscreensSection4.2DiskStatisticsSection4.2.1I/OThroughputStatisticsSection4.2.2LatencyStatisticsSection4.2.3QueueStatisticsSection4.2.4ErrorStatisticsSection4.2.5PAEStatisticsSec
3、tion4.2.6SplitStatisticsSection4.3BatchModeOutputSection5NetworkSection5.1PortSection5.2PortStatisticsSection6.InterruptSection7.BatchMode Section1.IntroductionEsxtopallowsmonitoringandcollectionofdataforallsystemresources:CPU,memory,diskandnetwork.Whenusedinte
4、ractively,thisdatacanbeviewedondifferenttypesofscreens;oneeachforCPUstatistics,memorystatistics,networkstatisticsanddiskadapterstatistics.Inadditiontothediskadapterstatisticsinearlierversions,startingwithESX3.5,diskstatisticsatthedeviceandVMlevelarealsoavailabl
5、e.StartingwithESX4.0,esxtophasaninterruptstatisticsscreen.Inthebatchmode,datacanberedirectedtoafileforofflineuses. Manyesxtopstatisticsarecomputedasrates,e.g.CPUstatistics%USED.Arateiscomputedbasedontherefreshinterval,thetimebetweensuccessivesnapshots.Forexampl
6、e,%USED=(CPUusedtimeatsnapshot2-CPUusedtimeatsnapshot1)/timeelapsedbetweensnapshots.Thedefaultrefreshintervalcanbechangedbythecommandlineoption"-d",ortheinteractivecommand's'.Thereturnkeycanbepressedtoforcearefresh. Ineachscreen,dataispresentedatdifferentlevels
7、ofaggregation.Itispossibletodrilldowntoexpandedviewsofthisdata.Eachscreenprovidesdifferentexpansionoptions. Itispossibletoselectallorsomefieldsforwhichdatacollectionisdone.Inthecaseofinteractiveuseofesxtop,theorderinwhichtheselectedfieldsaredisplayedcanbeselect
8、ed. Inthefollowingsections,thisdocumentwilldescribetheesxtopstatisticsshownbyeachscreenandtheirusage. Section2.CPUSection2.1WorldsandGroupsEsxtopusesworldsandgroupsastheenti
