open Virt_mem_utils
open Virt_mem_types
+open Kernel_task_struct
-let run debug ({ domname = domname; mem = mem }, ksymmap, utsname) =
- try
- let kernel_version =
- match utsname with
- | None ->
- eprintf (f_"%s: could not guess kernel version\n") domname;
- raise Exit
- | Some { kernel_release = v } -> v in
+let run debug { domname = domname; mem = mem } { tasks = tasks } =
+ let tasks = Option.get tasks in
- if not (Kernel_task_struct.known kernel_version) then (
- eprintf (f_"%s: %s: unknown kernel version
-Try a newer version of virt-mem, or if the guest is not from a
-supported Linux distribution, see this page about adding support:
- http://et.redhat.com/~rjones/virt-mem/faq.html\n") domname kernel_version;
- raise Exit
- );
+ (* Sort tasks by PID. *)
+ let cmp { task_pid = p1 } { task_pid = p2 } = compare p1 p2 in
+ let tasks = List.sort cmp tasks in
- let init_task =
- let addr =
- try Ksymmap.find "init_task" ksymmap
- with Not_found ->
- eprintf (f_"%s: could not find init_task in kernel image\n") domname;
- raise Exit in
- let addr =
- (Virt_mem_mmap.unsafe_typed_addr_of_addr addr :
- [ `task_struct ] Virt_mem_mmap.typed_addr) in
- Kernel_task_struct.get kernel_version mem addr in
+ printf " PID STAT COMMAND\n";
- printf "comm = %S prio = %Ld state = %Ld static_prio = %Ld tasks'next = %Lx\n"
- init_task.Kernel_task_struct.comm
- init_task.Kernel_task_struct.prio
- init_task.Kernel_task_struct.state
- init_task.Kernel_task_struct.static_prio
- (Virt_mem_mmap.unsafe_addr_of_typed_addr init_task.Kernel_task_struct.tasks'next);
-
- with Exit -> ()
+ List.iter (
+ fun task ->
+ printf "%5Ld %s\n" task.task_pid task.task_comm
+ ) tasks
let summary = s_"list processes in virtual machine"
let description = s_"\
virt-ps prints a process listing for virtual machines running under
libvirt."
-let () = Virt_mem.register "ps" summary description ~run
+let () =
+ Virt_mem.register "ps" summary description ~needs_tasks:true ~run