"-b", Arg.Set batch_mode,
" " ^ s_"Batch mode";
"-c", Arg.String set_uri,
- "uri " ^ s_"Connect to URI (default: Xen)";
+ "uri " ^ s_"Connect to libvirt URI";
"--connect", Arg.String set_uri,
- "uri " ^ s_"Connect to URI (default: Xen)";
+ "uri " ^ s_"Connect to libvirt URI";
"--csv", Arg.String set_csv,
"file " ^ s_"Log statistics to CSV file";
"--no-csv-cpu", Arg.Clear csv_cpu,
"-n", Arg.Set_int iterations,
"iterations " ^ s_"Number of iterations to run";
"-o", Arg.String set_sort,
- "sort " ^ sprintf (f_"Set sort order (%s)") "cpu|mem|time|id|name";
+ "sort " ^ sprintf (f_"Set sort order (%s)")
+ "cpu|mem|time|id|name|netrx|nettx|blockrdrq|blockwrrq";
"-s", Arg.Set secure_mode,
" " ^ s_"Secure (\"kiosk\") mode";
"--script", Arg.Set script_mode,
(* Read the init file. *)
let try_to_read_init_file filename =
let config = read_config_file filename in
+ (* Replacement functions that raise better errors when
+ * parsing the init file.
+ *)
+ let int_of_string s =
+ try int_of_string s
+ with Invalid_argument _ ->
+ failwithf (f_"%s: could not parse '%s' in init file: expecting an integer")
+ filename s in
+ let float_of_string s =
+ try float_of_string s
+ with Invalid_argument _ ->
+ failwithf (f_"%s: could not parse '%s' in init file: expecting a number")
+ filename s in
+ let bool_of_string s =
+ try bool_of_string s
+ with Invalid_argument _ ->
+ failwithf (f_"%s: could not parse '%s' in init file: expecting %s")
+ filename s "true|false" in
List.iter (
function
| _, "display", mode -> display_mode := display_of_cli mode
prerr_endline (Libvirt.Virterror.to_string err);
(* If non-root and no explicit connection URI, print a warning. *)
if Unix.geteuid () <> 0 && name = None then (
- print_endline (s_"NB: If you want to monitor a local Xen hypervisor, you usually need to be root");
+ print_endline (s_"NB: If you want to monitor a local hypervisor, you usually need to be root");
);
exit 1 in
let last_info = Hashtbl.create 13 in
let last_time = ref (Unix.gettimeofday ()) in
- (* Save vcpuinfo structures across redraws too (only for pCPU display). *)
- let last_vcpu_info = Hashtbl.create 13 in
+ (* Save pcpu_usages structures across redraws too (only for pCPU display). *)
+ let last_pcpu_usages = Hashtbl.create 13 in
let clear_pcpu_display_data () =
- (* Clear out vcpu_info used by PCPUDisplay display_mode
+ (* Clear out pcpu_usages used by PCPUDisplay display_mode
* when we switch back to TaskDisplay mode.
*)
- Hashtbl.clear last_vcpu_info
+ Hashtbl.clear last_pcpu_usages
in
let collect (conn, _, _, _, _, node_info, _, _) =
(try
let domid = rd.rd_domid in
let maplen = C.cpumaplen nr_pcpus in
+ let cpu_stats = D.get_cpu_stats rd.rd_dom in
+ let rec find_usages_from_stats = function
+ | ("cpu_time", D.TypedFieldUInt64 usages) :: _ -> usages
+ | _ :: params -> find_usages_from_stats params
+ | [] -> 0L in
+ let pcpu_usages = Array.map find_usages_from_stats cpu_stats in
let maxinfo = rd.rd_info.D.nr_virt_cpu in
let nr_vcpus, vcpu_infos, cpumaps =
D.get_vcpus rd.rd_dom maxinfo maplen in
- (* Got previous vcpu_infos for this domain? *)
- let prev_vcpu_infos =
- try Some (Hashtbl.find last_vcpu_info domid)
+ (* Got previous pcpu_usages for this domain? *)
+ let prev_pcpu_usages =
+ try Some (Hashtbl.find last_pcpu_usages domid)
with Not_found -> None in
- (* Update last_vcpu_info. *)
- Hashtbl.replace last_vcpu_info domid vcpu_infos;
-
- (match prev_vcpu_infos with
- | Some prev_vcpu_infos
- when Array.length prev_vcpu_infos = Array.length vcpu_infos ->
- Some (domid, name, nr_vcpus, vcpu_infos, prev_vcpu_infos,
- cpumaps, maplen)
+ (* Update last_pcpu_usages. *)
+ Hashtbl.replace last_pcpu_usages domid pcpu_usages;
+
+ (match prev_pcpu_usages with
+ | Some prev_pcpu_usages
+ when Array.length prev_pcpu_usages = Array.length pcpu_usages ->
+ Some (domid, name, nr_vcpus, vcpu_infos, pcpu_usages,
+ prev_pcpu_usages, cpumaps, maplen)
| _ -> None (* ignore missing / unequal length prev_vcpu_infos *)
);
with
(* Rearrange the data into a matrix. Major axis (down) is
* pCPUs. Minor axis (right) is domains. At each node we store:
* cpu_time (on this pCPU only, nanosecs),
- * average? (if set, then cpu_time is an average because the
- * vCPU is pinned to more than one pCPU)
- * running? (if set, we were instantaneously running on this pCPU)
*)
- let empty_node = (0L, false, false) in
- let pcpus = Array.make_matrix nr_pcpus nr_doms empty_node in
+ let pcpus = Array.make_matrix nr_pcpus nr_doms 0L in
List.iteri (
- fun di (domid, name, nr_vcpus, vcpu_infos, prev_vcpu_infos,
- cpumaps, maplen) ->
+ fun di (domid, name, nr_vcpus, vcpu_infos, pcpu_usages,
+ prev_pcpu_usages, cpumaps, maplen) ->
(* Which pCPUs can this dom run on? *)
- for v = 0 to nr_vcpus-1 do
- let pcpu = vcpu_infos.(v).D.cpu in (* instantaneous pCPU *)
- let nr_poss_pcpus = ref 0 in (* how many pcpus can it run on? *)
- for p = 0 to nr_pcpus-1 do
- (* vcpu v can reside on pcpu p *)
- if C.cpu_usable cpumaps maplen v p then
- incr nr_poss_pcpus
- done;
- let nr_poss_pcpus = Int64.of_int !nr_poss_pcpus in
- for p = 0 to nr_pcpus-1 do
- (* vcpu v can reside on pcpu p *)
- if C.cpu_usable cpumaps maplen v p then
- let vcpu_time_on_pcpu =
- vcpu_infos.(v).D.vcpu_time
- -^ prev_vcpu_infos.(v).D.vcpu_time in
- let vcpu_time_on_pcpu =
- vcpu_time_on_pcpu /^ nr_poss_pcpus in
- pcpus.(p).(di) <-
- (vcpu_time_on_pcpu, nr_poss_pcpus > 1L, p = pcpu)
- done
+ for p = 0 to Array.length pcpu_usages - 1 do
+ pcpus.(p).(di) <- pcpu_usages.(p) -^ prev_pcpu_usages.(p)
done
) doms;
fun row ->
let cpu_time = ref 0L in
for di = 0 to Array.length row-1 do
- let t, _, _ = row.(di) in
+ let t = row.(di) in
cpu_time := !cpu_time +^ t
done;
Int64.to_float !cpu_time
let dom_names =
String.concat "" (
List.map (
- fun (_, name, _, _, _, _, _) ->
+ fun (_, name, _, _, _, _, _, _) ->
let len = String.length name in
let width = max (len+1) 7 in
pad width name
addch ' ';
List.iteri (
- fun di (domid, name, _, _, _, _, _) ->
- let t, is_average, is_running = pcpus.(p).(di) in
+ fun di (domid, name, _, _, _, _, _, _) ->
+ let t = pcpus.(p).(di) in
let len = String.length name in
let width = max (len+1) 7 in
let str =
else (
let t = Int64.to_float t in
let percent = 100. *. t /. total_cpu_per_pcpu in
- sprintf "%s%c%c " (Show.percent percent)
- (if is_average then '=' else ' ')
- (if is_running then '#' else ' ')
+ sprintf "%s " (Show.percent percent)
) in
addstr (pad width str);
()
git.annexia.org / virt-top.git / blobdiff