tests: Add integration test test_virtio_mem
Add integration test test_virtio_mem for virtio-mem.
@@ -3414,6 +3414,64 @@ mod tests {
});
}
+ #[cfg_attr(not(feature = "mmio"), test)]
+ fn test_virtio_mem() {
+ test_block!(tb, "", {
+ let mut clear = ClearDiskConfig::new();
+ let guest = Guest::new(&mut clear);
+ let api_socket = temp_api_path(&guest.tmp_dir);
+ let mut workload_path = dirs::home_dir().unwrap();
+ workload_path.push("workloads");
+ let mut kernel_path = workload_path;
+ kernel_path.push("vmlinux");
+
+ let mut child = GuestCommand::new(&guest)
+ .args(&["--cpus", "boot=2,max=4"])
+ .args(&["--memory", "size=512M,hotplug_method=virtio-mem,hotplug_size=8192M"])
+ .args(&["--kernel", kernel_path.to_str().unwrap()])
+ .args(&["--cmdline", "root=PARTUUID=6fb4d1a8-6c8c-4dd7-9f7c-1fe0b9f2574c console=tty0 console=ttyS0,115200n8 console=hvc0 quiet init=/usr/lib/systemd/systemd-bootchart initcall_debug tsc=reliable no_timer_check noreplace-smp cryptomgr.notests rootfstype=ext4,btrfs,xfs kvm-intel.nested=1 rw"])
+ .default_disks()
+ .default_net()
+ .args(&["--api-socket", &api_socket])
+ .spawn()
+ .unwrap();
+
+ thread::sleep(std::time::Duration::new(20, 0));
+
+ aver!(tb, guest.get_total_memory().unwrap_or_default() > 491_000);
+
+ guest
+ .ssh_command("echo online | sudo tee /sys/devices/system/memory/auto_online_blocks")
+ .unwrap_or_default();
+
+ // Add RAM to the VM
+ let desired_ram = 1024 << 20;
+ resize_command(&api_socket, None, Some(desired_ram));
+
+ thread::sleep(std::time::Duration::new(10, 0));
+ aver!(tb, guest.get_total_memory().unwrap_or_default() > 982_000);
+
+ // Add RAM to the VM
+ let desired_ram = 2048 << 20;
+ resize_command(&api_socket, None, Some(desired_ram));
+
+ thread::sleep(std::time::Duration::new(10, 0));
+ aver!(tb, guest.get_total_memory().unwrap_or_default() > 1_964_000);
+
+ // Remove RAM to the VM
+ let desired_ram = 1024 << 20;
+ resize_command(&api_socket, None, Some(desired_ram));
+
+ thread::sleep(std::time::Duration::new(10, 0));
+ aver!(tb, guest.get_total_memory().unwrap_or_default() > 982_000);
+ aver!(tb, guest.get_total_memory().unwrap_or_default() < 1_964_000);
+
+ let _ = child.kill();
+ let _ = child.wait();
+ Ok(())
+ });
+ }
+
// Test both vCPU and memory resizing together
#[cfg_attr(not(feature = "mmio"), test)]
fn test_resize() {
