Re: [PATCH QEMU 1/3] tests: Add migration dirty-limit capability test

[Peter Xu <peterx@redhat.com>]

Yong,

On Thu, Jun 08, 2023 at 12:46:45AM +0800, ~hyman wrote:
> From: Hyman Huang(黄勇) <yong.huang@smartx.com>
> 
> Add migration dirty-limit capability test if kernel support
> dirty ring.
> 
> Migration dirty-limit capability introduce dirty limit
> capability, two parameters: x-vcpu-dirty-limit-period and
> vcpu-dirty-limit are introduced to implement the live
> migration with dirty limit.
> 
> The test case does the following things:
> 1. start src, dst vm and enable dirty-limit capability
> 2. start migrate and set cancel it to check if dirty limit
>    stop working.
> 3. restart dst vm
> 4. start migrate and enable dirty-limit capability
> 5. check if migration satisfy the convergence condition
>    during pre-switchover phase.
> 
> Signed-off-by: Hyman Huang(黄勇) <yong.huang@smartx.com>

How long does the test normally take?  How stable is it (the duration, not
the test itself; I assume it should be robust or it'll be a bigger problem..)?

Daniel just reworked the tests to shrink all tests to run in around 1m40s
locally here on a decent x86.  I hope this test won't take too long to
frustrate CI again.

-- 
Peter Xu