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tests: Extend live migration testing with virtio-mem

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Adding some bits to the existing live migration test with NUMA in order
to properly validate virtio-mem works with live migration.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-09-28 14:37:00 +02:00 committed by Bo Chen
parent 59031531b6
commit 612dc544a8
1 changed files with 64 additions and 12 deletions
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76
tests/integration.rs
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@ -6849,11 +6849,11 @@ mod tests {
let memory_param: &[&str] = if numa {
&[
"--memory",
"size=0",
"size=0,hotplug_method=virtio-mem",
"--memory-zone",
"id=mem0,size=1G",
"id=mem1,size=1G",
"id=mem2,size=2G",
"id=mem0,size=1G,hotplug_size=32G",
"id=mem1,size=1G,hotplug_size=32G",
"id=mem2,size=1G,hotplug_size=32G",
"--numa",
"guest_numa_id=0,cpus=0-2:9,distances=1@15:2@20,memory_zones=mem0",
"guest_numa_id=1,cpus=3-4:6-8,distances=0@20:2@25,memory_zones=mem1",
@ -6893,10 +6893,41 @@ mod tests {
// Check the number of vCPUs
assert_eq!(guest.get_cpu_count().unwrap_or_default(), 6);
// Check the guest RAM
assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
assert!(guest.get_total_memory().unwrap_or_default() > 2_880_000);
// Check the guest virtio-devices, e.g. block, rng, console, and net
guest.check_devices_common(None, Some(&console_text));
// Check the NUMA parameters are applied correctly and resize
// each zone to test the case where we migrate a VM with the
// virtio-mem regions being used.
if numa {
guest.check_numa_common(
Some(&[960_000, 960_000, 960_000]),
Some(&[vec![0, 1, 2], vec![3, 4], vec![5]]),
Some(&["10 15 20", "20 10 25", "25 30 10"]),
);
// AArch64 currently does not support hotplug, and therefore we only
// test hotplug-related function on x86_64 here.
#[cfg(target_arch = "x86_64")]
{
guest.enable_memory_hotplug();
// Resize every memory zone and check each associated NUMA node
// has been assigned the right amount of memory.
resize_zone_command(&src_api_socket, "mem0", "2G");
resize_zone_command(&src_api_socket, "mem1", "2G");
resize_zone_command(&src_api_socket, "mem2", "2G");
thread::sleep(std::time::Duration::new(5, 0));
guest.check_numa_common(
Some(&[1_920_000, 1_920_000, 1_920_000]),
None,
None,
);
}
}
// x86_64: Following what's done in the `test_snapshot_restore`, we need
// to make sure that removing and adding back the virtio-net device does
// not break the live-migration support for virtio-pci.
@ -7036,30 +7067,51 @@ mod tests {
let r = std::panic::catch_unwind(|| {
// Perform same checks to validate VM has been properly migrated
assert_eq!(guest.get_cpu_count().unwrap_or_default(), 6);
assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
if numa {
#[cfg(target_arch = "x86_64")]
assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
#[cfg(target_arch = "aarch64")]
assert!(guest.get_total_memory().unwrap_or_default() > 2_880_000);
} else {
assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
}
guest.check_devices_common(None, Some(&console_text));
// Perform NUMA related checks
if numa {
guest.check_numa_common(
Some(&[960_000, 960_000, 1_920_000]),
Some(&[vec![0, 1, 2], vec![3, 4], vec![5]]),
Some(&["10 15 20", "20 10 25", "25 30 10"]),
);
#[cfg(target_arch = "aarch64")]
{
guest.check_numa_common(
Some(&[960_000, 960_000, 960_000]),
Some(&[vec![0, 1, 2], vec![3, 4], vec![5]]),
Some(&["10 15 20", "20 10 25", "25 30 10"]),
);
}
// AArch64 currently does not support hotplug, and therefore we only
// test hotplug-related function on x86_64 here.
#[cfg(target_arch = "x86_64")]
{
guest.check_numa_common(
Some(&[1_920_000, 1_920_000, 1_920_000]),
Some(&[vec![0, 1, 2], vec![3, 4], vec![5]]),
Some(&["10 15 20", "20 10 25", "25 30 10"]),
);
guest.enable_memory_hotplug();
// Resize every memory zone and check each associated NUMA node
// has been assigned the right amount of memory.
resize_zone_command(&dest_api_socket, "mem0", "4G");
resize_zone_command(&dest_api_socket, "mem1", "4G");
resize_zone_command(&dest_api_socket, "mem2", "4G");
// Resize to the maximum amount of CPUs and check each NUMA
// node has been assigned the right CPUs set.
resize_command(&dest_api_socket, Some(12), None, None);
thread::sleep(std::time::Duration::new(5, 0));
guest.check_numa_common(
None,
Some(&[3_840_000, 3_840_000, 3_840_000]),
Some(&[vec![0, 1, 2, 9], vec![3, 4, 6, 7, 8], vec![5, 10, 11]]),
None,
);