tests: Add test_live_migration_numa

This patch refactors and reuses the existing 'test_live_migration' for
adding 'test_live_migraiton_numa'.

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2021-09-01 15:13:48 -07:00 committed by Rob Bradford
parent 32da33eacd
commit 6c142e35f7

View File

@ -6800,8 +6800,7 @@ mod tests {
// 4. The destination VM is functional (including various virtio-devices are working properly) after
// live migration;
// Note: This test does not use vsock as we can't create two identical vsock on the same host.
#[test]
fn test_live_migration() {
fn _test_live_migration(numa: bool) {
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
let guest = Guest::new(Box::new(focal));
let kernel_path = direct_kernel_boot_path();
@ -6812,11 +6811,28 @@ mod tests {
net_id, guest.network.guest_mac, guest.network.host_ip
);
let memory_param: &[&str] = if numa {
&[
"--memory",
"size=0",
"--memory-zone",
"id=mem0,size=1G",
"id=mem1,size=1G",
"id=mem2,size=2G",
"--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",
"guest_numa_id=2,cpus=5:10-11,distances=0@25:1@30,memory_zones=mem2",
]
} else {
&["--memory", "size=4G"]
};
// Start the source VM
let src_api_socket = temp_api_path(&guest.tmp_dir);
let mut src_child = GuestCommand::new(&guest)
.args(&["--cpus", "boot=4"])
.args(&["--memory", "size=4G"])
.args(&["--cpus", "boot=6,max=12"])
.args(memory_param)
.args(&["--kernel", kernel_path.to_str().unwrap()])
.args(&["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.default_disks()
@ -6840,7 +6856,7 @@ mod tests {
// Make sure the source VM is functaionl
// Check the number of vCPUs
assert_eq!(guest.get_cpu_count().unwrap_or_default(), 4);
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);
// Check the guest virtio-devices, e.g. block, rng, console, and net
@ -6984,9 +7000,36 @@ mod tests {
// Post live-migration check to make sure the destination VM is funcational
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(), 4);
assert_eq!(guest.get_cpu_count().unwrap_or_default(), 6);
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"]),
);
// 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 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(&[vec![0, 1, 2, 9], vec![3, 4, 6, 7, 8], vec![5, 10, 11]]),
None,
);
}
}
});
// Clean-up the destination VM and make sure it terminated correctly
@ -7000,5 +7043,15 @@ mod tests {
});
handle_child_output(r, &dest_output);
}
#[test]
fn test_live_migration_basic() {
_test_live_migration(false)
}
#[test]
fn test_live_migration_numa() {
_test_live_migration(true)
}
}
}