[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Xen domctl scheduler_op question (vcpu_unpause)
hello, I see that in xen/common/schedule.c , when adjusting scheduling parameters for a Xen domain, VCPUs of the particular domain are paused and later unpaused unless it is the current VCPU. vcpu_unpause internally calls vcpu_wake which temporarily boosts the priority of the vcpu to CSCHED_PRI_TS_BOOST (Ref: csched_vcpu_wake). My question is - Does this mean a simple get_credit or set_credit operation for a domain will also boost its priority ? And if it is so, why is the boost needed everytime ? thanks, Priyanka _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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