When using the stdio console, we do not want to receive a confusing message from the logging system. Thus, log messages are written to the file, whose default location can be found in the table below.
| arguments | required | default value | description |
|---|---|---|---|
serial-path |
false | stdio |
The serial path used to communicate with VM (If set to "stdio", create a stdio console. Otherwise, create a serial console.) |
rootfs |
true | - | The path to rootfs image. |
kernel-path |
true | - | The path of kernel image (Only uncompressed kernel is supported for Dragonball). |
log-file |
false | dbs-cli.log |
The path to log file |
log-level |
false | Info |
The logging level. |
boot-args |
false | console=ttyS0 tty0 reboot=k debug panic=1 pci=off root=/dev/vda1 |
The boot arguments passed to the kernel. |
is-root |
false | true |
Decide the device to be the root boot device or not. |
is-read-only |
false | false |
The driver opened in read-only or not. |
vcpu |
false | 1 |
The number of vcpu to start. |
max-vcpu |
false | 1 |
The max number of vpu can be added. |
cpu-pm |
false | 0 |
vpmu support level. |
threads-per-core |
false | 1 |
Threads per core to indicate hyper-threading is enabled or not. |
cores-per-die |
false | 1 |
Cores per die to guide guest cpu topology init. |
dies-per-socket |
false | 1 |
Dies per socket to guide guest cpu topology. |
sockets |
false | 1 |
The number of sockets. |
mem-type |
false | shmem |
Memory type that can be either hugetlbfs or shmem. |
mem-file-path |
false | `` | Memory file path. |
initrd-path |
false | None |
The path of initrd. |
api-sock-path |
false | `` | The path of api server unix domain socket |