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new interface to control emulator_period/emulator_quota
This patch adds two macros: VIR_DOMAIN_SCHEDULER_EMULATOR_PERIOD, VIR_DOMAIN_SCHEDULER_EMULATOR_QUOTA for controlling cpu bandwidth for emulator activities not tied to vcpus
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@ -679,18 +679,36 @@ typedef virTypedParameter *virTypedParameterPtr;
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* VIR_DOMAIN_SCHEDULER_VCPU_PERIOD:
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*
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* Macro represents the enforcement period for a quota, in microseconds,
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* when using the posix scheduler, as a ullong.
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* for vcpus only, when using the posix scheduler, as a ullong.
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*/
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#define VIR_DOMAIN_SCHEDULER_VCPU_PERIOD "vcpu_period"
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/**
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* VIR_DOMAIN_SCHEDULER_VCPU_QUOTA:
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*
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* Macro represents the maximum bandwidth to be used within a period,
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* when using the posix scheduler, as an llong.
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* Macro represents the maximum bandwidth to be used within a period for
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* vcpus only, when using the posix scheduler, as an llong.
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*/
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#define VIR_DOMAIN_SCHEDULER_VCPU_QUOTA "vcpu_quota"
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/**
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* VIR_DOMAIN_SCHEDULER_EMULATOR_PERIOD:
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*
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* Macro represents the enforcement period for a quota in microseconds,
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* when using the posix scheduler, for all emulator activity not tied to
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* vcpus, as a ullong.
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*/
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#define VIR_DOMAIN_SCHEDULER_EMULATOR_PERIOD "emulator_period"
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/**
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* VIR_DOMAIN_SCHEDULER_EMULATOR_QUOTA:
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*
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* Macro represents the maximum bandwidth to be used within a period for
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* all emulator activity not tied to vcpus, when using the posix scheduler,
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* as an llong.
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*/
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#define VIR_DOMAIN_SCHEDULER_EMULATOR_QUOTA "emulator_quota"
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/**
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* VIR_DOMAIN_SCHEDULER_WEIGHT:
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*
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@ -1202,7 +1202,8 @@ available for each hypervisor are:
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LXC (posix scheduler) : cpu_shares
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QEMU/KVM (posix scheduler): cpu_shares, vcpu_period, vcpu_quota
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QEMU/KVM (posix scheduler): cpu_shares, vcpu_period, vcpu_quota,
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emulator_period, emulator_quota
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Xen (credit scheduler): weight, cap
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@ -1220,10 +1221,10 @@ values 0 and 1 are automatically converted to a minimal value of 2.
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B<Note>: The weight and cap parameters are defined only for the
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XEN_CREDIT scheduler and are now I<DEPRECATED>.
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B<Note>: The vcpu_period parameter has a valid value range of 1000-1000000 or
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0, and the vcpu_quota parameter has a valid value range of
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1000-18446744073709551 or less than 0. The value 0 for either parameter is
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the same as not specifying that parameter.
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B<Note>: The vcpu_period/emulator_period parameters have a valid value range
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of 1000-1000000 or 0, and the vcpu_quota/emulator_quota parameters have a
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valid value range of 1000-18446744073709551 or less than 0. The value 0 for
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either parameter is the same as not specifying that parameter.
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=item B<screenshot> I<domain> [I<imagefilepath>] [I<--screen> B<screenID>]
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