Re: [PATCH RFC V8 0/17] Paravirtualized ticket spinlocks

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

 



On 05/07/2012 05:52 PM, Avi Kivity wrote:
> > Having said that, it is hard for me to resist saying :
> >  bottleneck is somewhere else on PLE m/c and IMHO answer would be
> > combination of paravirt-spinlock + pv-flush-tb.
> >
> > But I need to come up with good number to argue in favour of the claim.
> >
> > PS: Nikunj had experimented that pv-flush tlb + paravirt-spinlock is a
> > win on PLE where only one of them alone could not prove the benefit.
> >
>
> I'd like to see those numbers, then.
>

Note: it's probably best to try very wide guests, where the overhead of
iterating on all vcpus begins to show.

-- 
error compiling committee.c: too many arguments to function

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


[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux