On 2020-05-27 03:39, Gavin Shan wrote:
Hi Mark,
[...]
Can you run tests with a real workload? For example, a kernel build
inside the VM?
Yeah, I agree it's far from a realistic workload. However, it's the
test case
which was suggested when async page fault was proposed from day one,
according
to the following document. On the page#34, you can see the benchmark,
which is
similar to what we're doing.
https://www.linux-kvm.org/images/a/ac/2010-forum-Async-page-faults.pdf
My own question is whether this even makes any sense 10 years later.
The HW has massively changed, and this adds a whole lot of complexity
to both the hypervisor and the guest. It also plays very ugly games
with the exception model, which doesn't give me the warm fuzzy feeling
that it's going to be great.
Ok. I will test with the workload to build kernel or another better one
to
represent the case.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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