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hyper-v 时间:2021-03-28 阅读:()
EthtoolSupportforMicrosoftHyper-VALINUXINTEGRATIONSERVICESPROJECTHyper-VBare-MetalVirtualizationAsoftware-basedabstractionofcomputerhardwarethatenablesahostmachinetorunmultipleguestmachines.
VirtualMachineAguestmachinewithitsownOSrunningonthehost'shypervisor.
Hyper-VHost-basedsoftwareprovidingsupportforvirtualizationofguestmachines.
GreatsupportforWindowsVirtualMachinesGoodsupportforLinuxVirtualMachinesLinuxUbiquitousOpenSourceOperatingSystemCentOSWedevelopedonCentOS7asitisavailableonAzure.
KernelThecorepartoftheOSthatinterfacesthehardwarewiththeuser'ssoftware.
DriverKernelsoftwarewhichinterfaceswithaparticularpieceofhardware.
LinuxIntegrationServicesMicrosoft'sdriversenablingsupportofLinuxguestsonHyper-V.
VirtualReceiveSideScalingMicrosofttechnologyintroducedinWindowsServer2012R2EnablesparallelprocessingfornetworktrafficConsideraserverwitha10Gbpsnetworkcard,adozenvirtualizedserversrunningonHyper-V,andaneight-coreprocessorVirtualreceivesidescalingallowseachservertouseeveryallocatedcoreequallyforprocessingitstrafficEthtoolHumaninterfacewiththemachine'sNetworkInterfaceCardShowscurrentconfigurationofnetworkcardCanchangenetworkcard'ssettingsProblemStatementALinuxvirtualmachinerunningonHyper-Vhasasetofdrivers(LIS)foritsvirtualhardware.
WeareconcernedwiththeLinuxkerneldriver"hv_netvsc,"thevirtualdriverforthemachine'snetworkcard.
Supportingethtoolmeanspatchingthedriverwithcallbackfunctionsforeachethtoolcommand,inparticular:ethtool--show-channelseth0ethtool--set-channelseth0combined1OurContributionAsystemadministratorcannowremoveasingle-core/processorbottleneckandconfigureusageofparallelprocessingfornetworktrafficthroughethtoolWecreatedtwopatchestotheLinuxkernel:ThefirstimplementsretrievingthenumberofvRSSqueuesontheguest,andthemaximumallowedonthehost.
ThesecondimplementssettingthenumberofvRSSqueuesontheguestbetweenasinglequeueandaqueueforeachvirtualprocessor.
Example$ethtool--show-channelseth0Channelparametersforeth0:Pre-setmaximums:RX:0TX:0Other:0Combined:64Currenthardwaresettings:RX:0TX:0Other:0Combined:4$ethtool--set-channelseth0combined1$ethtool--set-channelseth0combined1combinedunmodified,ignoringnochannelparameterschanged,abortingcurrentvalues:tx0rx0other0combined1$ethtool--set-channelseth0combined0Cannotsetdevicechannelparameters:InvalidargumentQuestions
VirtualMachineAguestmachinewithitsownOSrunningonthehost'shypervisor.
Hyper-VHost-basedsoftwareprovidingsupportforvirtualizationofguestmachines.
GreatsupportforWindowsVirtualMachinesGoodsupportforLinuxVirtualMachinesLinuxUbiquitousOpenSourceOperatingSystemCentOSWedevelopedonCentOS7asitisavailableonAzure.
KernelThecorepartoftheOSthatinterfacesthehardwarewiththeuser'ssoftware.
DriverKernelsoftwarewhichinterfaceswithaparticularpieceofhardware.
LinuxIntegrationServicesMicrosoft'sdriversenablingsupportofLinuxguestsonHyper-V.
VirtualReceiveSideScalingMicrosofttechnologyintroducedinWindowsServer2012R2EnablesparallelprocessingfornetworktrafficConsideraserverwitha10Gbpsnetworkcard,adozenvirtualizedserversrunningonHyper-V,andaneight-coreprocessorVirtualreceivesidescalingallowseachservertouseeveryallocatedcoreequallyforprocessingitstrafficEthtoolHumaninterfacewiththemachine'sNetworkInterfaceCardShowscurrentconfigurationofnetworkcardCanchangenetworkcard'ssettingsProblemStatementALinuxvirtualmachinerunningonHyper-Vhasasetofdrivers(LIS)foritsvirtualhardware.
WeareconcernedwiththeLinuxkerneldriver"hv_netvsc,"thevirtualdriverforthemachine'snetworkcard.
Supportingethtoolmeanspatchingthedriverwithcallbackfunctionsforeachethtoolcommand,inparticular:ethtool--show-channelseth0ethtool--set-channelseth0combined1OurContributionAsystemadministratorcannowremoveasingle-core/processorbottleneckandconfigureusageofparallelprocessingfornetworktrafficthroughethtoolWecreatedtwopatchestotheLinuxkernel:ThefirstimplementsretrievingthenumberofvRSSqueuesontheguest,andthemaximumallowedonthehost.
ThesecondimplementssettingthenumberofvRSSqueuesontheguestbetweenasinglequeueandaqueueforeachvirtualprocessor.
Example$ethtool--show-channelseth0Channelparametersforeth0:Pre-setmaximums:RX:0TX:0Other:0Combined:64Currenthardwaresettings:RX:0TX:0Other:0Combined:4$ethtool--set-channelseth0combined1$ethtool--set-channelseth0combined1combinedunmodified,ignoringnochannelparameterschanged,abortingcurrentvalues:tx0rx0other0combined1$ethtool--set-channelseth0combined0Cannotsetdevicechannelparameters:InvalidargumentQuestions
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