[libvirt] [PATCH TCK] Add a minimal test case for CPU hotplug

Eric Blake eblake at redhat.com
Thu Apr 22 16:41:34 UTC 2010


On 04/22/2010 10:24 AM, Daniel P. Berrange wrote:
> Adds a minimal test case which verifies that it is possible to
> set the CPU count to max, and then back to the min. This really
> needs libguestfs integration to validate that the guest sees the
> change
> ---
>  scripts/domain/130-cpu-hotplug.t |   78 ++++++++++++++++++++++++++++++++++++++
>  1 files changed, 78 insertions(+), 0 deletions(-)
>  create mode 100644 scripts/domain/130-cpu-hotplug.t
> 
> diff --git a/scripts/domain/130-cpu-hotplug.t b/scripts/domain/130-cpu-hotplug.t
> new file mode 100644
> index 0000000..2976f2d
> --- /dev/null
> +++ b/scripts/domain/130-cpu-hotplug.t
> @@ -0,0 +1,78 @@
> +# -*- perl -*-
> +#
> +# Copyright (C) 2009-2010 Red Hat, Inc.
> +# Copyright (C) 2009-2010 Daniel P. Berrange

Since it's new, should the copyright be just 2010?

> +diag "Creating a new transient domain";
> +my $dom;
> +ok_domain(sub { $dom = $conn->create_domain($xml) }, "created transient domain object");
> +
> +my $max;
> +lives_ok(sub { $max = $dom->get_max_vcpus() }, "queried max vcpus");
> +
> +SKIP: {
> +    skip "SMP guests not supported", 4 unless $max > 1;
> +
> +    diag "Increasing CPU count to max";
> +    lives_ok(sub { $dom->set_vcpus($max); }, "set vcpus to $max");
> +
> +    my $info = $dom->get_info();
> +
> +    is($info->{nrVirtCpu}, $max, "cpu count $info->{nrVirtCpu} is $max");
> +
> +    diag "Decreasing CPU count to min";
> +    lives_ok(sub { $dom->set_vcpus(1); }, "set vcpus to 1");
> +
> +    $info = $dom->get_info();
> +    is($info->{nrVirtCpu}, 1, "cpu count $info->{nrVirtCpu} is 1");

Do you want to also test for an error message on setting it out of
range, like to 0?

Other than that, ACK.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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