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tests: Extend Windows guest CPU hotplug test and update doc

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Both changes aim to document the absence of the CPU hot-remove
functionality on Windows.

Closes #2457.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski
2021-04-07 14:38:37 +02:00
committed by Rob Bradford
parent e5211a6e1d
commit 3f5ecbd326
2 changed files with 22 additions and 1 deletions
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21
tests/integration.rs
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@@ -5784,6 +5784,27 @@ mod tests {
// Check the CH process has the correct number of vcpu threads
assert_eq!(get_vcpu_threads_count(child.id()), vcpu_num);
let vcpu_num = 4;
// Remove some CPUs. Note that Windows doesn't support hot-remove.
resize_command(&api_socket, Some(vcpu_num), None, None);
// Wait to make sure CPUs are removed
thread::sleep(std::time::Duration::new(10, 0));
// Reboot to let Windows catch up
ssh_command_ip_with_auth(
"shutdown /r /t 0",
&auth,
"192.168.249.2",
DEFAULT_SSH_RETRIES,
DEFAULT_SSH_TIMEOUT,
)
.unwrap();
// Wait to make sure Windows completely rebooted
thread::sleep(std::time::Duration::new(60, 0));
// Check the guest sees the correct number
assert_eq!(get_cpu_count_windows(&auth), vcpu_num);
// Check the CH process has the correct number of vcpu threads
assert_eq!(get_vcpu_threads_count(child.id()), vcpu_num);
ssh_command_ip_with_auth(
"shutdown /s",
&auth,