slowhyper-v
hyper-v 时间:2021-03-28 阅读:()
HyperV_MonAFreeToolFromTMurgentTechnologiesVersion1.
6IntroductionHyperV_MonisaGUItoolforviewingCPUperformanceofasystemrunningHyper-VfromMicrosoft.
VirtualizationaddsalayerofcomplexitytounderstandingtrueCPUusageofavirtualmachine.
Thistoolprovidesasimpletoviewsetofgraphstodepictactualprocessorutilization,including"overhead"processingduetotheuseoftheHypervisor.
HyperV_Monisnotintendedtobearegularmonitoringtoolthatyouuseeveryday.
Thistoolisdesignedtohelpyouunderstandwhatisgoingonwhenyouneedtoknowit.
Thetoolrequiresthatyouhave.
theNET3.
5FrameworkinstalledonthemachinethatyouwishtoruntheGUIon.
Ifyoudidn'tinstallServerCore,youcanplaceitontherootpartitionmachine,buttypicallyyouwanttoplacethisonadesktopthatisnotontheHyper-Vservertominimizeimpactontheserveritself.
ThetoolleveragestheRootPartitionWMIprovider–thesameinterfaceasisusedbySCVMMandthirdpartytools.
SoaslongastheremoteGUIuserhasWMIaccesstotheRootPartitionServeryouaregoodtogo.
SomeofthenewfeaturesinHyperV_MonalsoneedWMIaccesstotheVMsthemselves,butwillreasonablyoperateifaccesstotheVMsarenotavailable.
Thetoolhasnoinstaller.
Justanexewithaconfigurebutton.
Theterm"Overhead"isusedinthisdocumentandintheproductasashorthandtocapturetheconceptofprocessingthatisbeingperformedbytheHypervisoritself.
Technically,thisisnot"overhead"inthesenseofprocessingthatwouldnotbeoccurringifyoudidn'tvirtualize.
Whilesomeofthisprocessingtrulyrepresentsoverhead,someofitrepresentsprocessingthatwouldhaveoccurredindriversofthenon-virtualizedsystem.
SettingUpTheToolAftercopyingtheexeontoasystem,startitandmouseclickthe"Configure"button.
TheConfiguredialogisshowninFigure1.
Youmustenteraqualifiednameforthehostintherootpartitionoftheservertobemonitored.
Anyresolvablenamemaybeused.
TheDebugleveldefaultsto0–meaningnodebugging.
Youcanmovetheslidertotherighttoenabledebuggingandconfigurehowmuchinformationtolog.
Level1providesforerrorsonly.
Thelogfilewillbeappendedtointhecurrentworkingfolder.
Thepollingintervaldefaultsto1second.
Movetheslidertotherighttoslowdownpoling.
ThethreeConfigurationitemsarewrittentotheHKEY_CURRENT_USERhive.
Figure1-ConfigureScreenHyperV_MonrequiresaccesstotheWMIprovidersoftherootpartitionofthetargetmachine.
Thiscanprovetobeaproblemunlessthemachine(anduseraccountyouarerunningunder)thattheGUIisonisinthesamedomainastheRootPartition.
SeetheblogofMicrosoft'sJohnHowardhttp://blogs.
technet.
com/jhoward/default.
aspx(especiallyHyper-VRemoteManagementParts1-5)ifyouarehavingdifficulty.
Basically,ifyoucanrunwbemtestonyourclientmachineandconnecttotherootpartitionmachineyouwillbegoodtogo.
UsingTheToolFigure2showsanexampleoftheGUIinaction.
Atthebottomlayerofthedisplayisthehardware.
Notmuchtotalkaboutthere.
Itdoesn'tmatterwhatyourhardwarelookslike,thegraphicwilllooklikea1Urackserverfrommylab.
Someinformationisdisplayedidentifyingthehardware.
ThenextlayerupistheHypervisor.
OnlyMicrosoftHyper-V,andHyper-VR2aresupported.
Thenumberof"LogicalCPU"physicallyinstalledisdetectedanddepicted.
ActualCPUusageatthephysicallayerisreported.
Inourcase,thiswasasinglequad-coreprocessor.
Intheexample,almostalloftheCPUisrelatedtoGuestusageandisshowninalightershadeofgreen.
CPUusagetiedtoHypervisorFigure2-ASampleoftheGUIinAction!
callsisshownattheloweredgeinadarkergreencolor.
ItiseasiesttothinkoftheHypervisorcallsas"hypervisoroverhead",althoughtechnicallysomeofthat"overhead"isprocessingthatwouldhavebeenperformedtheguestwasonrawmetalhardware.
Thelast60intervalmeasurementsaredisplayed(1secondeach,bydefault)withthemostrecentintervaldisplayedontherightofthegraph.
Thebluespline(curvyline)representsarunninglongertermaverage(eachdotdepictsthemostrecent60-intervalaveragetotalCPUatthetimeoftheinterval)fortrending.
AbovetheHypervisorlayerthedisplayhastwomajorparts,situatedleftandright.
OntheleftistheRootPartitionOS.
ThisistypicallywhereyourServerCoreisrunning.
Intheexamplethiswasafullblown2008withAD,DNS,IIS,TerminalServices,andahostofotherthingstobeinteresting.
TheRootPartitionhas"VirtualProcessors",andHyper-Vwillsupplyoneforoneforeach"LogicalProcessor"intheHypervisor.
TheHypervisorwillscheduletheRootPartitionvirtualprocessors(alongwithguestvirtualprocessors)intologicalprocessorsasitseesfit.
Thinkofthisasround-robinscheduling.
IfranasinglethreadedappontherootpartitionandusedprocessoraffinitywithintheRootpartitionOS,youwouldseealloftheCPUforthatapprunninginoneoftherootpartitionvirtualprocessors–justasyouwouldseefromthetaskmanagerinsidetherootpartition.
ButlookingattheHypervisorlayeryouwillseethattheloadwasactuallyspreadoutamongthelogicalprocessors!
Figure3-ExampleshowingHypervisorcallsOntheright,intheyellowarea,aretheactiveGuestVirtualMachines.
ThesealsohaveVirtualProcessors.
BoththeRootPartitionandGuestVMsvirtualprocessordisplaysshowCPUusagebrokenbetweenappropriateOSandHypervisorusage.
SeeFigure3foranexampleofthisYoushouldnotethatthetaskmanagerinsideguestOSmachineslies.
Thisisn'tthetaskmanager'sfault.
IntheexampleshowninFigure3,theWindowsTaskManagerwithintheguestoswouldbeshowing100%CPUutilizationwhereoursnapshotshowsonly90%.
Microsoftreferstothisasclockslew,butbasicallytheHypervisorispullingtherugoutfromundertheOS'snose(de-schedulingthevirtualprocessor)andtheOSdoesn'tknowit.
Thisiswhywemustpullinformationoutofthehypervisortoknowwhatisreallygoingon.
AlsonotehowtheheavyprocessinginsideofoneVMisbeingspreadbetweenmultiplevirtualprocessors.
ThiswilloccurevenifprocessoraffinityisusedintheVM,asisintheexampleFigure4.
Inthiscase,afullyconsumingsinglethreadedprocessstartedintheVMw7Beta-9-1,adual-processorVM.
Afterrunningforabout10seconds,weappliedprocessoraffinitytothesingle-threadedprocessFigure4-ExamplewithProcessorAffinityinsidetheVM,assigningitto(virtual)processor0.
AscanbeseenintheVMgraphs,theloadchangesfrombeingsplitbetweentheVMsvirtualprocessorstoconsumingonlyvirtualprocessor0,andyetatthehypervisorlevelweseenoeffectontheloadingofphysical(logical)processors.
ThishasimplicationsonrunningHyper-VonaNUMA(Non-UniformMemoryAccess)system.
IfyouareusingaNUMAhardwareplatformyoumightwanttoconsiderreadinguponappropriatetechniquestoassociateVMsandVMmemorytospecificNUMAgroups(c.
f.
"WindowsServer2008Hyper-VResourceKit",MicrosoftPress).
Withthistool,itiseasytounderstandwhyWindowsXPandearlierOSssignificantlyunderperformsonHyper-VincomparisontoWindowsServer2003,orVista,orabove.
Youwillseesignificantlymorehypervisor"overhead"processingwiththeolderoperatingsystemsbecauseMicrosoftmademodificationstotheneweroperatingsystemstobehypervisor(andprocessorVT)aware.
ThosenewerOSsdonotdisplaysuchbehavior.
Itisallintheenlightenments!
Inmysetup,itiscommontoseeheavyhypercallCPUusagewithheavyIOusageintheXPVMsasisseeninFigure5.
TheamountofoverheadyouseewithWindowsXPisnotlikelytobeashighasisshowninthisexample.
Thisisunderinvestigation(theremaybeaCPU/chiprevisionlevelinvolvedinmysetup),andiswhyImadethistoolinthefirstplace!
Figure5-WindowsXPHypervisorLoadExampleNewStuffInadditiontomakingthegraphsshowhistoricalinformationandtherollingaverageblueline,youcannowhoverthemouseoverbothgraphsandthemanytextsectionstoseemoredetailinformationin"tooltips".
Memoryrelatedinformationhasbeenadded,bothfortherootpartitionandtheVMs(whenWMI/RPCaccessisallowed).
ThisinformationisfocusedonthreekeyvaluestohelpyoudecideifyouhavetoomuchortoolittlememoryinstalledintheVM.
InstallindicatesthenumberofMegabytesphysicallyinstalledinthecaseoftherootpartition,orallocatedtotheVMinthecaseofVMs.
Availablememoryistheportionoftheinstalledmemoryconsidered"available"bytheOS(thetechnicaldefinitionofavailablememoryvariesinsomeOSs,butconsideritasmemoryavailabletoanapplicationondemandwithoutrequiringexistingmemorytobepagedout).
NotethatMemoryallocatedtorunningVMsarealsoshownasconsumedmemoryinthehostpartitionOS.
ThehostandVMpartitionsalsoshowthekeystatistic"PgIn/S".
Thisrepresentsthenumberofbytespersecondreadinfromthediskduetohardpagefaults.
Heavypagingactivityinthiscounterindicatestheneedformorememory.
Finally,someFileandTCPI/Ocountershavebeenaddedtotherootpartitiondisplay.
FileandnetworkI/Otogetherrepresentthethirdmajorperformanceconcernfortheserver(afterCPUandMemory).
LegaleseTheproductisfree;hasnosupport;isnotwarrantedforanyuse.
Feedbackisencouraged.
Giftsacceptedgratefully.
6IntroductionHyperV_MonisaGUItoolforviewingCPUperformanceofasystemrunningHyper-VfromMicrosoft.
VirtualizationaddsalayerofcomplexitytounderstandingtrueCPUusageofavirtualmachine.
Thistoolprovidesasimpletoviewsetofgraphstodepictactualprocessorutilization,including"overhead"processingduetotheuseoftheHypervisor.
HyperV_Monisnotintendedtobearegularmonitoringtoolthatyouuseeveryday.
Thistoolisdesignedtohelpyouunderstandwhatisgoingonwhenyouneedtoknowit.
Thetoolrequiresthatyouhave.
theNET3.
5FrameworkinstalledonthemachinethatyouwishtoruntheGUIon.
Ifyoudidn'tinstallServerCore,youcanplaceitontherootpartitionmachine,buttypicallyyouwanttoplacethisonadesktopthatisnotontheHyper-Vservertominimizeimpactontheserveritself.
ThetoolleveragestheRootPartitionWMIprovider–thesameinterfaceasisusedbySCVMMandthirdpartytools.
SoaslongastheremoteGUIuserhasWMIaccesstotheRootPartitionServeryouaregoodtogo.
SomeofthenewfeaturesinHyperV_MonalsoneedWMIaccesstotheVMsthemselves,butwillreasonablyoperateifaccesstotheVMsarenotavailable.
Thetoolhasnoinstaller.
Justanexewithaconfigurebutton.
Theterm"Overhead"isusedinthisdocumentandintheproductasashorthandtocapturetheconceptofprocessingthatisbeingperformedbytheHypervisoritself.
Technically,thisisnot"overhead"inthesenseofprocessingthatwouldnotbeoccurringifyoudidn'tvirtualize.
Whilesomeofthisprocessingtrulyrepresentsoverhead,someofitrepresentsprocessingthatwouldhaveoccurredindriversofthenon-virtualizedsystem.
SettingUpTheToolAftercopyingtheexeontoasystem,startitandmouseclickthe"Configure"button.
TheConfiguredialogisshowninFigure1.
Youmustenteraqualifiednameforthehostintherootpartitionoftheservertobemonitored.
Anyresolvablenamemaybeused.
TheDebugleveldefaultsto0–meaningnodebugging.
Youcanmovetheslidertotherighttoenabledebuggingandconfigurehowmuchinformationtolog.
Level1providesforerrorsonly.
Thelogfilewillbeappendedtointhecurrentworkingfolder.
Thepollingintervaldefaultsto1second.
Movetheslidertotherighttoslowdownpoling.
ThethreeConfigurationitemsarewrittentotheHKEY_CURRENT_USERhive.
Figure1-ConfigureScreenHyperV_MonrequiresaccesstotheWMIprovidersoftherootpartitionofthetargetmachine.
Thiscanprovetobeaproblemunlessthemachine(anduseraccountyouarerunningunder)thattheGUIisonisinthesamedomainastheRootPartition.
SeetheblogofMicrosoft'sJohnHowardhttp://blogs.
technet.
com/jhoward/default.
aspx(especiallyHyper-VRemoteManagementParts1-5)ifyouarehavingdifficulty.
Basically,ifyoucanrunwbemtestonyourclientmachineandconnecttotherootpartitionmachineyouwillbegoodtogo.
UsingTheToolFigure2showsanexampleoftheGUIinaction.
Atthebottomlayerofthedisplayisthehardware.
Notmuchtotalkaboutthere.
Itdoesn'tmatterwhatyourhardwarelookslike,thegraphicwilllooklikea1Urackserverfrommylab.
Someinformationisdisplayedidentifyingthehardware.
ThenextlayerupistheHypervisor.
OnlyMicrosoftHyper-V,andHyper-VR2aresupported.
Thenumberof"LogicalCPU"physicallyinstalledisdetectedanddepicted.
ActualCPUusageatthephysicallayerisreported.
Inourcase,thiswasasinglequad-coreprocessor.
Intheexample,almostalloftheCPUisrelatedtoGuestusageandisshowninalightershadeofgreen.
CPUusagetiedtoHypervisorFigure2-ASampleoftheGUIinAction!
callsisshownattheloweredgeinadarkergreencolor.
ItiseasiesttothinkoftheHypervisorcallsas"hypervisoroverhead",althoughtechnicallysomeofthat"overhead"isprocessingthatwouldhavebeenperformedtheguestwasonrawmetalhardware.
Thelast60intervalmeasurementsaredisplayed(1secondeach,bydefault)withthemostrecentintervaldisplayedontherightofthegraph.
Thebluespline(curvyline)representsarunninglongertermaverage(eachdotdepictsthemostrecent60-intervalaveragetotalCPUatthetimeoftheinterval)fortrending.
AbovetheHypervisorlayerthedisplayhastwomajorparts,situatedleftandright.
OntheleftistheRootPartitionOS.
ThisistypicallywhereyourServerCoreisrunning.
Intheexamplethiswasafullblown2008withAD,DNS,IIS,TerminalServices,andahostofotherthingstobeinteresting.
TheRootPartitionhas"VirtualProcessors",andHyper-Vwillsupplyoneforoneforeach"LogicalProcessor"intheHypervisor.
TheHypervisorwillscheduletheRootPartitionvirtualprocessors(alongwithguestvirtualprocessors)intologicalprocessorsasitseesfit.
Thinkofthisasround-robinscheduling.
IfranasinglethreadedappontherootpartitionandusedprocessoraffinitywithintheRootpartitionOS,youwouldseealloftheCPUforthatapprunninginoneoftherootpartitionvirtualprocessors–justasyouwouldseefromthetaskmanagerinsidetherootpartition.
ButlookingattheHypervisorlayeryouwillseethattheloadwasactuallyspreadoutamongthelogicalprocessors!
Figure3-ExampleshowingHypervisorcallsOntheright,intheyellowarea,aretheactiveGuestVirtualMachines.
ThesealsohaveVirtualProcessors.
BoththeRootPartitionandGuestVMsvirtualprocessordisplaysshowCPUusagebrokenbetweenappropriateOSandHypervisorusage.
SeeFigure3foranexampleofthisYoushouldnotethatthetaskmanagerinsideguestOSmachineslies.
Thisisn'tthetaskmanager'sfault.
IntheexampleshowninFigure3,theWindowsTaskManagerwithintheguestoswouldbeshowing100%CPUutilizationwhereoursnapshotshowsonly90%.
Microsoftreferstothisasclockslew,butbasicallytheHypervisorispullingtherugoutfromundertheOS'snose(de-schedulingthevirtualprocessor)andtheOSdoesn'tknowit.
Thisiswhywemustpullinformationoutofthehypervisortoknowwhatisreallygoingon.
AlsonotehowtheheavyprocessinginsideofoneVMisbeingspreadbetweenmultiplevirtualprocessors.
ThiswilloccurevenifprocessoraffinityisusedintheVM,asisintheexampleFigure4.
Inthiscase,afullyconsumingsinglethreadedprocessstartedintheVMw7Beta-9-1,adual-processorVM.
Afterrunningforabout10seconds,weappliedprocessoraffinitytothesingle-threadedprocessFigure4-ExamplewithProcessorAffinityinsidetheVM,assigningitto(virtual)processor0.
AscanbeseenintheVMgraphs,theloadchangesfrombeingsplitbetweentheVMsvirtualprocessorstoconsumingonlyvirtualprocessor0,andyetatthehypervisorlevelweseenoeffectontheloadingofphysical(logical)processors.
ThishasimplicationsonrunningHyper-VonaNUMA(Non-UniformMemoryAccess)system.
IfyouareusingaNUMAhardwareplatformyoumightwanttoconsiderreadinguponappropriatetechniquestoassociateVMsandVMmemorytospecificNUMAgroups(c.
f.
"WindowsServer2008Hyper-VResourceKit",MicrosoftPress).
Withthistool,itiseasytounderstandwhyWindowsXPandearlierOSssignificantlyunderperformsonHyper-VincomparisontoWindowsServer2003,orVista,orabove.
Youwillseesignificantlymorehypervisor"overhead"processingwiththeolderoperatingsystemsbecauseMicrosoftmademodificationstotheneweroperatingsystemstobehypervisor(andprocessorVT)aware.
ThosenewerOSsdonotdisplaysuchbehavior.
Itisallintheenlightenments!
Inmysetup,itiscommontoseeheavyhypercallCPUusagewithheavyIOusageintheXPVMsasisseeninFigure5.
TheamountofoverheadyouseewithWindowsXPisnotlikelytobeashighasisshowninthisexample.
Thisisunderinvestigation(theremaybeaCPU/chiprevisionlevelinvolvedinmysetup),andiswhyImadethistoolinthefirstplace!
Figure5-WindowsXPHypervisorLoadExampleNewStuffInadditiontomakingthegraphsshowhistoricalinformationandtherollingaverageblueline,youcannowhoverthemouseoverbothgraphsandthemanytextsectionstoseemoredetailinformationin"tooltips".
Memoryrelatedinformationhasbeenadded,bothfortherootpartitionandtheVMs(whenWMI/RPCaccessisallowed).
ThisinformationisfocusedonthreekeyvaluestohelpyoudecideifyouhavetoomuchortoolittlememoryinstalledintheVM.
InstallindicatesthenumberofMegabytesphysicallyinstalledinthecaseoftherootpartition,orallocatedtotheVMinthecaseofVMs.
Availablememoryistheportionoftheinstalledmemoryconsidered"available"bytheOS(thetechnicaldefinitionofavailablememoryvariesinsomeOSs,butconsideritasmemoryavailabletoanapplicationondemandwithoutrequiringexistingmemorytobepagedout).
NotethatMemoryallocatedtorunningVMsarealsoshownasconsumedmemoryinthehostpartitionOS.
ThehostandVMpartitionsalsoshowthekeystatistic"PgIn/S".
Thisrepresentsthenumberofbytespersecondreadinfromthediskduetohardpagefaults.
Heavypagingactivityinthiscounterindicatestheneedformorememory.
Finally,someFileandTCPI/Ocountershavebeenaddedtotherootpartitiondisplay.
FileandnetworkI/Otogetherrepresentthethirdmajorperformanceconcernfortheserver(afterCPUandMemory).
LegaleseTheproductisfree;hasnosupport;isnotwarrantedforanyuse.
Feedbackisencouraged.
Giftsacceptedgratefully.
VoLLcloud：超便宜香港CMI大带宽vps-三网CMI直连-年付四免服务-低至4刀/月-奈飞
vollcloud LLC创立于2020年，是一家以互联网基础业务服务为主的 技术型企业，运营全球数据中心业务。致力于全球服务器租用、托管及云计算、DDOS安 全防护、数据实时存储、 高防服务器加速、域名、智能高防服务器、网络安全服务解决方案等领域的智 能化、规范化的体验服务。所有购买年付产品免费更换香港原生IP(支持解锁奈飞),商家承诺，支持3天内无条件退款(原路退回)!点击进入：vollclo...
TMThosting夏季促销：VPS月付7折,年付65折,独立服务器95折,西雅图机房
TMThosting发布了一个2021 Summer Sale活动，针对西雅图VPS主机提供月付7折优惠码，年付65折优惠码，独立服务器提供95折优惠码，本轮促销活动到7月25日。这是一家成立于2018年的国外主机商，主要提供VPS和独立服务器租用业务，数据中心包括美国西雅图和达拉斯，其中VPS基于KVM架构，都有提供免费的DDoS保护，支持选择Windows或者Linux操作系统。Budget ...
10gbiz：香港/洛杉矶CN2直连线路VPS四折优惠,直连香港/香港/洛杉矶CN2四折
10gbiz怎么样?10gbiz在本站也多次分享过，是一家成立于2020的国人主机商家，主要销售VPS和独立服务器，机房目前有中国香港和美国洛杉矶、硅谷等地，线路都非常不错，香港为三网直连，电信走CN2，洛杉矶线路为三网回程CN2 GIA，10gbiz商家七月连续推出各种优惠活动，除了延续之前的VPS产品4折优惠，目前增加了美国硅谷独立服务器首月半价的活动，有需要的朋友可以看看。10gbiz优惠码...
hyper-v为你推荐
-
特朗普取消访问丹麦特朗普首次出访为什么选择梵蒂冈安徽汽车网中国汽车十大品牌firetrap我淘宝店还是卖二单就被删,怎么回事!同ip网站查询同ip地址站点查询 我本地怎么查询不了百度关键词分析怎样对关键词进行分析和选择www.99cycy.com谁在这个http://www.sifangmall.com网站上买过东西？网站检测请问论文检测网站好的有那些？8090lu.com8090lu.com怎么样了?工程有进展吗？m.kan84.net电视剧海派甜心全集海派甜心在线观看海派甜心全集高清dvd快播迅雷下载杨丽晓博客杨丽晓哪一年出生的？