On Wed, 10 Feb 2016, r...@redhat.com wrote:
> (v6: make VIRT_CPU_ACCOUNTING_GEN jiffy granularity)
>
> Running with nohz_full introduces a fair amount of overhead.
> Specifically, various things that are usually done from the
> timer interrupt are now done at syscall, irq, and guest
> entry and e
Hi Rik,
On Wed, 2016-02-10 at 20:08 -0500, r...@redhat.com wrote:
> I tested this series with a microbenchmark calling
> an invalid syscall number ten million times in a row,
> on a nohz_full cpu.
>
> Run times for the microbenchmark:
>
> 4.4 3.8 seconds
> 4.
(v6: make VIRT_CPU_ACCOUNTING_GEN jiffy granularity)
Running with nohz_full introduces a fair amount of overhead.
Specifically, various things that are usually done from the
timer interrupt are now done at syscall, irq, and guest
entry and exit times.
However, some of the code that is called ever
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