Re: [PATCH v3 4/7] KVM: VMX: dynamise PLE window

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Il 21/08/2014 21:10, Raghavendra K T ha scritto:
> 2. can we consider min_ple_window value of 2k. tracing showed that in
> overcommit there were several occations of 4k <- 4k situations.

Yes, that could be good now that we have adaptive exits.  Perhaps even 1k.

> 3. Do you think using ( << and >> ) instead of (*, /) saves some cycles
> considering we could have potentially have grow,shrink numbers != power
> of 2

* is very fast. / a bit less so but it never occurs with the defaults.
So I think it's okay.  I'm not sure why one would use a multiplier
bigger than 2.

Paolo
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux