mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
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tests: Cover 'virtio-balloon' for live migration and live upgrade
Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen
Bo Chen
parent
3d1b2eb4e5
commit
eebf4f10e3
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@ -7337,7 +7337,18 @@ mod live_migration {
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// 4. The destination VM is functional (including various virtio-devices are working properly) after
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// live migration;
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// Note: This test does not use vsock as we can't create two identical vsock on the same host.
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fn _test_live_migration(upgrade_test: bool, numa: bool, local: bool, watchdog: bool) {
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fn _test_live_migration(
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upgrade_test: bool,
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numa: bool,
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local: bool,
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watchdog: bool,
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balloon: bool,
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) {
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assert!(
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!(numa && balloon),
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"Invalid inputs: 'numa' and 'balloon' cannot be tested at the same time."
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);
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let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
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let guest = Guest::new(Box::new(focal));
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let kernel_path = direct_kernel_boot_path();
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@ -7348,9 +7359,9 @@ mod live_migration {
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net_id, guest.network.guest_mac, guest.network.host_ip
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);
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let memory_param: &[&str] = match (local, numa) {
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(false, false) => &["--memory", "size=4G"],
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(false, true) => &[
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let memory_param: &[&str] = match (balloon, local, numa) {
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(false, false, false) => &["--memory", "size=4G"],
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(false, false, true) => &[
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"--memory",
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"size=0,hotplug_method=virtio-mem",
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"--memory-zone",
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@ -7362,8 +7373,8 @@ mod live_migration {
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"guest_numa_id=1,cpus=[3-4,6-8],distances=[0@20,2@25],memory_zones=mem1",
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"guest_numa_id=2,cpus=[5,10-11],distances=[0@25,1@30],memory_zones=mem2",
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],
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(true, false) => &["--memory", "size=4G,shared=on"],
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(true, true) => &[
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(false, true, false) => &["--memory", "size=4G,shared=on"],
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(false, true, true) => &[
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"--memory",
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"size=0,hotplug_method=virtio-mem,shared=on",
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"--memory-zone",
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@ -7375,6 +7386,18 @@ mod live_migration {
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"guest_numa_id=1,cpus=[3-4,6-8],distances=[0@20,2@25],memory_zones=mem1",
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"guest_numa_id=2,cpus=[5,10-11],distances=[0@25,1@30],memory_zones=mem2",
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],
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(true, false, _) => &[
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"--memory",
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"size=4G,hotplug_method=virtio-mem,hotplug_size=8G",
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"--balloon",
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"size=0",
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],
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(true, true, _) => &[
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"--memory",
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"size=4G,hotplug_method=virtio-mem,hotplug_size=8G,shared=on",
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"--balloon",
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"size=0",
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],
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};
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let pmem_temp_file = TempFile::new().unwrap();
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@ -7425,8 +7448,26 @@ mod live_migration {
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// Make sure the source VM is functaionl
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// Check the number of vCPUs
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assert_eq!(guest.get_cpu_count().unwrap_or_default(), 6);
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// Check the guest RAM
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assert!(guest.get_total_memory().unwrap_or_default() > 2_880_000);
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if balloon {
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assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
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// Increase the guest RAM
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resize_command(&src_api_socket, None, Some(6 << 30), None);
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thread::sleep(std::time::Duration::new(5, 0));
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assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
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// Use balloon to remove RAM from the VM
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resize_command(&src_api_socket, None, None, Some(1 << 30));
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thread::sleep(std::time::Duration::new(5, 0));
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let total_memory = guest.get_total_memory().unwrap_or_default();
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assert!(total_memory > 4_800_000);
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assert!(total_memory < 5_760_000);
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} else if numa {
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assert!(guest.get_total_memory().unwrap_or_default() > 2_880_000);
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} else {
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assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
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}
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// Check the guest virtio-devices, e.g. block, rng, console, and net
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guest.check_devices_common(None, Some(&console_text), Some(&pmem_path));
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@ -7673,6 +7714,22 @@ mod live_migration {
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&mut current_reboot_count,
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);
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}
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if balloon {
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let total_memory = guest.get_total_memory().unwrap_or_default();
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assert!(total_memory > 4_800_000);
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assert!(total_memory < 5_760_000);
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// Deflate balloon to restore entire RAM to the VM
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resize_command(&dest_api_socket, None, None, Some(0));
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thread::sleep(std::time::Duration::new(5, 0));
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assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
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// Decrease guest RAM with virtio-mem
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resize_command(&dest_api_socket, None, Some(5 << 30), None);
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thread::sleep(std::time::Duration::new(5, 0));
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let total_memory = guest.get_total_memory().unwrap_or_default();
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assert!(total_memory > 4_800_000);
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assert!(total_memory < 5_760_000);
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}
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});
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// Clean-up the destination VM and make sure it terminated correctly
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@ -7689,72 +7746,94 @@ mod live_migration {
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#[test]
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fn test_live_migration_basic() {
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_test_live_migration(false, false, false, false)
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_test_live_migration(false, false, false, false, false)
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}
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#[test]
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fn test_live_migration_local() {
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_test_live_migration(false, false, true, false)
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_test_live_migration(false, false, true, false, false)
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}
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#[test]
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#[cfg(not(feature = "mshv"))]
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fn test_live_migration_numa() {
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_test_live_migration(false, true, false, false)
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_test_live_migration(false, true, false, false, false)
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}
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#[test]
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#[cfg(not(feature = "mshv"))]
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fn test_live_migration_numa_local() {
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_test_live_migration(false, true, true, false)
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_test_live_migration(false, true, true, false, false)
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}
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#[test]
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fn test_live_migration_watchdog() {
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_test_live_migration(false, false, false, true)
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_test_live_migration(false, false, false, true, false)
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}
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#[test]
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fn test_live_migration_watchdog_local() {
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_test_live_migration(false, false, true, true)
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_test_live_migration(false, false, true, true, false)
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}
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#[test]
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fn test_live_migration_balloon() {
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_test_live_migration(false, false, false, false, true)
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}
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#[test]
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fn test_live_migration_balloon_local() {
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_test_live_migration(false, false, true, false, true)
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}
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#[test]
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#[ignore]
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fn test_live_upgrade_basic() {
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_test_live_migration(true, false, false, false)
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_test_live_migration(true, false, false, false, false)
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}
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#[test]
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#[ignore]
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fn test_live_upgrade_local() {
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_test_live_migration(true, false, true, false)
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_test_live_migration(true, false, true, false, false)
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}
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#[test]
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#[ignore]
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#[cfg(not(feature = "mshv"))]
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fn test_live_upgrade_numa() {
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_test_live_migration(true, true, false, false)
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_test_live_migration(true, true, false, false, false)
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}
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#[test]
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#[ignore]
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#[cfg(not(feature = "mshv"))]
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fn test_live_upgrade_numa_local() {
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_test_live_migration(true, true, true, false)
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_test_live_migration(true, true, true, false, false)
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}
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#[test]
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#[ignore]
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fn test_live_upgrade_watchdog() {
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_test_live_migration(true, false, false, true)
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_test_live_migration(true, false, false, true, false)
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}
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#[test]
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#[ignore]
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fn test_live_upgrade_watchdog_local() {
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_test_live_migration(true, false, true, true)
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_test_live_migration(true, false, true, true, false)
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}
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#[test]
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#[ignore]
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fn test_live_upgrade_balloon() {
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_test_live_migration(true, false, false, false, true)
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}
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#[test]
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#[ignore]
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fn test_live_upgrade_balloon_local() {
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_test_live_migration(true, false, true, false, true)
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}
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fn _test_live_migration_ovs_dpdk(upgrade_test: bool, local: bool) {
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