Re: [PATCH 0/5] ArmVirtPkg, OvmfPkg: improve firmware duration of direct kernel boot

[Laszlo Ersek <lersek@redhat.com>]

On 03/16/18 15:47, Richard W.M. Jones wrote:

>   # dnf install /usr/bin/virt-rescue
>   $ virt-rescue --scratch=100

OK, I had to read up on virt-rescue for this, and I'm (again) impressed
that the virt-* tools are the DeLuxe utilities in this space. :) "You
can get virt-rescue to give you scratch disk(s) to play with.  This is
useful for testing out Linux utilities (see --scratch)". Convenient!

>>   time guestfish --ro \
>>     -a disk1.img \
>>     ... \
>>     -a disk8.img \
>>     launch : quit
>>
>> (I hope this test case is not totally bogus.)
> 
> An easier way is this as follows.  I missed out the --just-add option
> in my previous tests, which causes the test to do a lot more testing.
> With the option it just adds them, launches the appliance and shuts
> down.
> 
> $ time ./test-add-disks --just-add -n 8 
> 
> Results:
> 
> with Fedora AAVMF:  0m11.197s 0m10.075s 0m10.033s
> with your firmware: 0m5.395s 0m5.385s 0m5.354s

That's great; now I feel confident about picking up your T-b! Thank you
for your help!

Laszlo