(* 'top'-like tool for libvirt domains.
- *)
+ (C) Copyright 2007-2009 Richard W.M. Jones, Red Hat Inc.
+ http://libvirt.org/
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*)
open Printf
open ExtList
open Curses
+open Virt_top_gettext.Gettext
open Virt_top_utils
module C = Libvirt.Connect
module D = Libvirt.Domain
module N = Libvirt.Network
+let rcfile = ".virt-toprc"
+
(* Hook for XML support (see virt_top_xml.ml). *)
let parse_device_xml : (int -> [>`R] D.t -> string list * string list) ref =
ref (
(* Hooks for CSV support (see virt_top_csv.ml). *)
let csv_start : (string -> unit) ref =
ref (
- fun _ -> failwith "virt-top was compiled without support for CSV"
+ fun _ -> failwith (s_"virt-top was compiled without support for CSV files")
)
let csv_write : (string list -> unit) ref =
ref (
fun _ -> ()
)
-(* Int64 operators for convenience. *)
-let (+^) = Int64.add
-let (-^) = Int64.sub
-let ( *^ ) = Int64.mul
-let (/^) = Int64.div
+(* Hook for calendar support (see virt_top_calendar.ml). *)
+let parse_date_time : (string -> float) ref =
+ ref (
+ fun _ ->
+ failwith (s_"virt-top was compiled without support for dates and times")
+ )
(* Sort order. *)
type sort_order =
NetRX; NetTX; BlockRdRq; BlockWrRq
]
let printable_sort_order = function
- | Processor -> "%CPU"
- | Memory -> "%MEM"
- | Time -> "TIME (CPU time)"
- | DomainID -> "Domain ID"
- | DomainName -> "Domain name"
- | NetRX -> "Net RX bytes"
- | NetTX -> "Net TX bytes"
- | BlockRdRq -> "Block read reqs"
- | BlockWrRq -> "Block write reqs"
+ | Processor -> s_"%CPU"
+ | Memory -> s_"%MEM"
+ | Time -> s_"TIME (CPU time)"
+ | DomainID -> s_"Domain ID"
+ | DomainName -> s_"Domain name"
+ | NetRX -> s_"Net RX bytes"
+ | NetTX -> s_"Net TX bytes"
+ | BlockRdRq -> s_"Block read reqs"
+ | BlockWrRq -> s_"Block write reqs"
let sort_order_of_cli = function
| "cpu" | "processor" -> Processor
| "mem" | "memory" -> Memory
| "name" -> DomainName
| "netrx" -> NetRX | "nettx" -> NetTX
| "blockrdrq" -> BlockRdRq | "blockwrrq" -> BlockWrRq
- | str -> failwith (str ^ ": sort order should be: cpu|mem|time|id|name|netrx|nettx|blockrdrq|blockwrrq")
+ | str ->
+ failwithf (f_"%s: sort order should be: %s")
+ str "cpu|mem|time|id|name|netrx|nettx|blockrdrq|blockwrrq"
let cli_of_sort_order = function
| Processor -> "cpu"
| Memory -> "mem"
| "pcpu" -> PCPUDisplay
| "block" -> BlockDisplay
| "net" -> NetDisplay
- | str -> failwith (str ^ ": display should be task|pcpu|block|net")
+ | str ->
+ failwithf (f_"%s: display should be %s") str "task|pcpu|block|net"
let cli_of_display = function
| TaskDisplay -> "task"
| PCPUDisplay -> "pcpu"
let delay = ref 3000 (* milliseconds *)
let historical_cpu_delay = ref 20 (* secs *)
let iterations = ref (-1)
+let end_time = ref None
let batch_mode = ref false
let secure_mode = ref false
let sort_order = ref Processor
let debug_file = ref ""
let csv_enabled = ref false
let csv_cpu = ref true
+let csv_mem = ref true
let csv_block = ref true
let csv_net = ref true
let init_file = ref DefaultInitFile
let script_mode = ref false
+let stream_mode = ref false
+let block_in_bytes = ref false
+
+(* Tuple of never-changing data returned by start_up function. *)
+type setup =
+ Libvirt.ro C.t * bool * bool * bool * bool * C.node_info * string *
+ (int * int * int)
(* Function to read command line arguments and go into curses mode. *)
let start_up () =
(* Read command line arguments. *)
let rec set_delay newdelay =
if newdelay <= 0. then
- failwith "-d: cannot set a negative delay";
+ failwith (s_"-d: cannot set a negative delay");
delay := int_of_float (newdelay *. 1000.)
and set_uri = function "" -> uri := None | u -> uri := Some u
and set_sort order = sort_order := sort_order_of_cli order
csv_enabled := true
and no_init_file () = init_file := NoInitFile
and set_init_file filename = init_file := InitFile filename
+ and set_end_time time = end_time := Some ((!parse_date_time) time)
+ and display_version () =
+ printf "virt-top %s ocaml-libvirt %s\n"
+ Virt_top_version.version Libvirt_version.version;
+ exit 0
in
let argspec = Arg.align [
- "-1", Arg.Unit set_pcpu_mode, " Start by displaying pCPUs (default: tasks)";
- "-2", Arg.Unit set_net_mode, " Start by displaying network interfaces";
- "-3", Arg.Unit set_block_mode, " Start by displaying block devices";
- "-b", Arg.Set batch_mode, " Batch mode";
- "-c", Arg.String set_uri, "uri Connect to URI (default: Xen)";
- "--connect", Arg.String set_uri, "uri Connect to URI (default: Xen)";
- "--csv", Arg.String set_csv, "file Log statistics to CSV file";
- "--no-csv-cpu", Arg.Clear csv_cpu, " Disable CPU stats in CSV";
- "--no-csv-block", Arg.Clear csv_block, " Disable block device stats in CSV";
- "--no-csv-net", Arg.Clear csv_net, " Disable net stats in CSV";
- "-d", Arg.Float set_delay, "delay Delay time interval (seconds)";
- "--debug", Arg.Set_string debug_file, "file Send debug messages to file";
- "--hist-cpu", Arg.Set_int historical_cpu_delay, "secs Historical CPU delay";
- "--init-file", Arg.String set_init_file, "file Set name of init file";
- "--no-init-file", Arg.Unit no_init_file, " Do not read init file";
- "-n", Arg.Set_int iterations, "iterations Number of iterations to run";
- "-o", Arg.String set_sort, "sort Set sort order (cpu|mem|time|id|name)";
- "-s", Arg.Set secure_mode, " Secure (\"kiosk\") mode";
- "--script", Arg.Set script_mode, " Run from a script (no user interface)";
+ "-1", Arg.Unit set_pcpu_mode,
+ " " ^ s_"Start by displaying pCPUs (default: tasks)";
+ "-2", Arg.Unit set_net_mode,
+ " " ^ s_"Start by displaying network interfaces";
+ "-3", Arg.Unit set_block_mode,
+ " " ^ s_"Start by displaying block devices";
+ "-b", Arg.Set batch_mode,
+ " " ^ s_"Batch mode";
+ "-c", Arg.String set_uri,
+ "uri " ^ s_"Connect to libvirt URI";
+ "--connect", Arg.String set_uri,
+ "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,
+ " " ^ s_"Disable CPU stats in CSV";
+ "--no-csv-mem", Arg.Clear csv_mem,
+ " " ^ s_"Disable memory stats in CSV";
+ "--no-csv-block", Arg.Clear csv_block,
+ " " ^ s_"Disable block device stats in CSV";
+ "--no-csv-net", Arg.Clear csv_net,
+ " " ^ s_"Disable net stats in CSV";
+ "-d", Arg.Float set_delay,
+ "delay " ^ s_"Delay time interval (seconds)";
+ "--debug", Arg.Set_string debug_file,
+ "file " ^ s_"Send debug messages to file";
+ "--end-time", Arg.String set_end_time,
+ "time " ^ s_"Exit at given time";
+ "--hist-cpu", Arg.Set_int historical_cpu_delay,
+ "secs " ^ s_"Historical CPU delay";
+ "--init-file", Arg.String set_init_file,
+ "file " ^ s_"Set name of init file";
+ "--no-init-file", Arg.Unit no_init_file,
+ " " ^ s_"Do not read init file";
+ "-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";
+ "-s", Arg.Set secure_mode,
+ " " ^ s_"Secure (\"kiosk\") mode";
+ "--script", Arg.Set script_mode,
+ " " ^ s_"Run from a script (no user interface)";
+ "--stream", Arg.Set stream_mode,
+ " " ^ s_"dump output to stdout (no userinterface)";
+ "--block-in-bytes", Arg.Set block_in_bytes,
+ " " ^ s_"show block device load in bytes rather than reqs";
+ "--version", Arg.Unit display_version,
+ " " ^ s_"Display version number and exit";
] in
- let anon_fun str = raise (Arg.Bad (str ^ ": unknown parameter")) in
- let usage_msg = "virt-top : a 'top'-like utility for virtualization
+ let anon_fun str =
+ raise (Arg.Bad (sprintf (f_"%s: unknown parameter") str)) in
+ let usage_msg = s_"virt-top : a 'top'-like utility for virtualization
SUMMARY
virt-top [-options]
| _, "debug", filename -> debug_file := filename
| _, "csv", filename -> set_csv filename
| _, "csv-cpu", b -> csv_cpu := bool_of_string b
+ | _, "csv-mem", b -> csv_mem := bool_of_string b
| _, "csv-block", b -> csv_block := bool_of_string b
| _, "csv-net", b -> csv_net := bool_of_string b
| _, "batch", b -> batch_mode := bool_of_string b
| _, "secure", b -> secure_mode := bool_of_string b
| _, "script", b -> script_mode := bool_of_string b
+ | _, "stream", b -> stream_mode := bool_of_string b
+ | _, "block-in-bytes", b -> block_in_bytes := bool_of_string b
+ | _, "end-time", t -> set_end_time t
| _, "overwrite-init-file", "false" -> no_init_file ()
| lineno, key, _ ->
- eprintf "%s:%d: configuration item ``%s'' ignored\n%!"
+ eprintf (f_"%s:%d: configuration item ``%s'' ignored\n%!")
filename lineno key
) config
in
| NoInitFile -> ()
| DefaultInitFile ->
let home = try Sys.getenv "HOME" with Not_found -> "/" in
- let filename = home // ".virt-toprc" in
+ let filename = home // rcfile in
try_to_read_init_file filename
| InitFile filename ->
try_to_read_init_file filename
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 "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
(* qemu:/// and other URIs didn't support virConnectGetHostname until
* libvirt 0.3.3. Before that they'd throw a virterror. *)
| Libvirt.Virterror _
- | Invalid_argument "virConnectGetHostname not supported" -> "unknown" in
+ | Libvirt.Not_supported "virConnectGetHostname" -> "unknown" in
let libvirt_version =
let v, _ = Libvirt.get_version () in
| "" -> (* No debug file specified, send stderr to /dev/null unless
* we're in script mode.
*)
- if not !script_mode then (
+ if not !script_mode && not !stream_mode then (
let fd = Unix.openfile "/dev/null" [Unix.O_WRONLY] 0o644 in
Unix.dup2 fd Unix.stderr;
Unix.close fd
);
(* Curses voodoo (see ncurses(3)). *)
- if not !script_mode then (
- initscr ();
- cbreak ();
- noecho ();
+ if not !script_mode && not !stream_mode then (
+ ignore (initscr ());
+ ignore (cbreak ());
+ ignore (noecho ());
nonl ();
let stdscr = stdscr () in
- intrflush stdscr false;
- keypad stdscr true;
+ ignore (intrflush stdscr false);
+ ignore (keypad stdscr true);
()
);
* main_loop. See virt_top_main.ml.
*)
(conn,
- !batch_mode, !script_mode, !csv_enabled, (* immutable modes *)
+ !batch_mode, !script_mode, !csv_enabled, !stream_mode, (* immutable modes *)
node_info, hostname, libvirt_version (* info that doesn't change *)
)
-(* Show a percentage in 4 chars. *)
-let show_percent percent =
- if percent <= 0. then " 0.0"
- else if percent <= 9.9 then sprintf " %1.1f" percent
- else if percent <= 99.9 then sprintf "%2.1f" percent
- else "100 "
-
-(* Show an int64 option in 4 chars. *)
-let rec show_int64_option = function
- | None -> " "
- | Some n -> show_int64 n
-(* Show an int64 in 4 chars. *)
-and show_int64 = function
- | n when n < 0L -> "-!!!"
- | n when n <= 9999L ->
- sprintf "%4Ld" n
- | n when n /^ 1024L <= 999L ->
- sprintf "%3LdK" (n /^ 1024L)
- | n when n /^ 1_048_576L <= 999L ->
- sprintf "%3LdM" (n /^ 1_048_576L)
- | n when n /^ 1_073_741_824L <= 999L ->
- sprintf "%3LdG" (n /^ 1_073_741_824L)
- | _ -> ">!!!"
-
-(* Format the total time (may be large!) in 9 chars. *)
-let show_time ns =
- let secs_in_ns = 1_000_000_000L in
- let mins_in_ns = 60_000_000_000L in
- let hours_in_ns = 3_600_000_000_000L in
-
- let hours = ns /^ hours_in_ns in
- let ns = ns -^ (hours *^ hours_in_ns) in
- let mins = ns /^ mins_in_ns in
- let ns = ns -^ (mins *^ mins_in_ns) in
- let secs = ns /^ secs_in_ns in
- let ns = ns -^ (secs *^ secs_in_ns) in
- let pennies = ns /^ 10_000_000L in
-
- if hours < 12L then
- sprintf "%3Ld:%02Ld.%02Ld" (hours *^ 60L +^ mins) secs pennies
- else if hours <= 999L then
- sprintf "%3Ld:%02Ld:%02Ld" hours mins secs
- else (
- let days = hours /^ 24L in
- let hours = hours -^ (days *^ 24L) in
- sprintf "%3Ldd%02Ld:%02Ld" days hours mins
- )
-
(* Show a domain state (the 'S' column). *)
let show_state = function
| D.InfoNoState -> '?'
| D.InfoShutoff -> 'O'
| D.InfoCrashed -> 'X'
-(* Sum Domain.block_stats structures together. Missing fields
- * get forced to 0. Empty list returns all 0.
- *)
-let zero_block_stats =
- { D.rd_req = 0L; rd_bytes = 0L; wr_req = 0L; wr_bytes = 0L; errs = 0L }
-let add_block_stats bs1 bs2 =
- let add f1 f2 = if f1 >= 0L && f2 >= 0L then f1 +^ f2 else 0L in
- { D.rd_req = add bs1.D.rd_req bs2.D.rd_req;
- rd_bytes = add bs1.D.rd_bytes bs2.D.rd_bytes;
- wr_req = add bs1.D.wr_req bs2.D.wr_req;
- wr_bytes = add bs1.D.wr_bytes bs2.D.wr_bytes;
- errs = add bs1.D.errs bs2.D.errs }
-let sum_block_stats =
- List.fold_left add_block_stats zero_block_stats
-
-(* Get the difference between two block_stats structures. Missing data
- * forces the difference to -1.
- *)
-let diff_block_stats curr prev =
- let sub f1 f2 = if f1 >= 0L && f2 >= 0L then f1 -^ f2 else -1L in
- { D.rd_req = sub curr.D.rd_req prev.D.rd_req;
- rd_bytes = sub curr.D.rd_bytes prev.D.rd_bytes;
- wr_req = sub curr.D.wr_req prev.D.wr_req;
- wr_bytes = sub curr.D.wr_bytes prev.D.wr_bytes;
- errs = sub curr.D.errs prev.D.errs }
-
-(* Sum Domain.interface_stats structures together. Missing fields
- * get forced to 0. Empty list returns all 0.
- *)
-let zero_interface_stats =
- { D.rx_bytes = 0L; rx_packets = 0L; rx_errs = 0L; rx_drop = 0L;
- tx_bytes = 0L; tx_packets = 0L; tx_errs = 0L; tx_drop = 0L }
-let add_interface_stats is1 is2 =
- let add f1 f2 = if f1 >= 0L && f2 >= 0L then f1 +^ f2 else 0L in
- { D.rx_bytes = add is1.D.rx_bytes is2.D.rx_bytes;
- rx_packets = add is1.D.rx_packets is2.D.rx_packets;
- rx_errs = add is1.D.rx_errs is2.D.rx_errs;
- rx_drop = add is1.D.rx_drop is2.D.rx_drop;
- tx_bytes = add is1.D.tx_bytes is2.D.tx_bytes;
- tx_packets = add is1.D.tx_packets is2.D.tx_packets;
- tx_errs = add is1.D.tx_errs is2.D.tx_errs;
- tx_drop = add is1.D.tx_drop is2.D.tx_drop }
-let sum_interface_stats =
- List.fold_left add_interface_stats zero_interface_stats
-
-(* Get the difference between two interface_stats structures.
- * Missing data forces the difference to -1.
- *)
-let diff_interface_stats curr prev =
- let sub f1 f2 = if f1 >= 0L && f2 >= 0L then f1 -^ f2 else -1L in
- { D.rx_bytes = sub curr.D.rx_bytes prev.D.rx_bytes;
- rx_packets = sub curr.D.rx_packets prev.D.rx_packets;
- rx_errs = sub curr.D.rx_errs prev.D.rx_errs;
- rx_drop = sub curr.D.rx_drop prev.D.rx_drop;
- tx_bytes = sub curr.D.tx_bytes prev.D.tx_bytes;
- tx_packets = sub curr.D.tx_packets prev.D.tx_packets;
- tx_errs = sub curr.D.tx_errs prev.D.tx_errs;
- tx_drop = sub curr.D.tx_drop prev.D.tx_drop }
-
-(* Update the display and sleep for given number of seconds. *)
-let sleep n = refresh (); Unix.sleep n
+(* Sleep in seconds. *)
+let sleep = Unix.sleep
+
+(* Sleep in milliseconds. *)
+let millisleep n =
+ ignore (Unix.select [] [] [] (float n /. 1000.))
(* The curses getstr/getnstr functions are just weird.
* This helper function also enables echo temporarily.
*)
let get_string maxlen =
- echo ();
+ ignore (echo ());
let str = String.create maxlen in
let ok = getstr str in (* Safe because binding calls getnstr. *)
- noecho ();
+ ignore (noecho ());
if not ok then ""
else (
(* Chop at first '\0'. *)
Not_found -> str (* it is full maxlen bytes *)
)
-(* Pad a string to the full width with spaces. If too long, truncate. *)
-let pad width str =
- let n = String.length str in
- if n = width then str
- else if n > width then String.sub str 0 width
- else (* if n < width then *) str ^ String.make (width-n) ' '
-
(* Line numbers. *)
let top_lineno = 0
let summary_lineno = 1 (* this takes 2 lines *)
let header_lineno = 4
let domains_lineno = 5
+(* Easier to use versions of curses functions addstr, mvaddstr, etc. *)
+let move y x = ignore (move y x)
+let refresh () = ignore (refresh ())
+let addch c = ignore (addch (int_of_char c))
+let addstr s = ignore (addstr s)
+let mvaddstr y x s = ignore (mvaddstr y x s)
+
(* Print in the "message area". *)
let clear_msg () = move message_lineno 0; clrtoeol ()
-let print_msg str = clear_msg (); mvaddstr message_lineno 0 str; ()
+let print_msg str = clear_msg (); mvaddstr message_lineno 0 str
(* Intermediate "domain + stats" structure that we use to collect
* everything we know about a domain within the collect function.
(* The following are since the last slice, or 0 if cannot be calculated: *)
rd_cpu_time : float; (* CPU time used in nanoseconds. *)
rd_percent_cpu : float; (* CPU time as percent of total. *)
+ rd_mem_bytes : int64; (* Memory usage in bytes *)
+ rd_mem_percent: int64; (* Memory usage as percent of total *)
(* The following are since the last slice, or None if cannot be calc'd: *)
rd_block_rd_reqs : int64 option; (* Number of block device read rqs. *)
rd_block_wr_reqs : int64 option; (* Number of block device write rqs. *)
+ rd_block_rd_bytes : int64 option; (* Number of bytes block device read *)
+ rd_block_wr_bytes : int64 option; (* Number of bytes block device write *)
+ (* _info fields includes the number considering --block_in_bytes option *)
+ rd_block_rd_info : int64 option; (* Block device read info for user *)
+ rd_block_wr_info : int64 option; (* Block device read info for user *)
+
rd_net_rx_bytes : int64 option; (* Number of bytes received. *)
rd_net_tx_bytes : int64 option; (* Number of bytes transmitted. *)
}
Hashtbl.clear last_vcpu_info
in
- let collect (conn, _, _, _, node_info, _, _) =
+ let collect (conn, _, _, _, _, node_info, _, _) =
(* Number of physical CPUs (some may be disabled). *)
let nr_pcpus = C.maxcpus_of_node_info node_info in
let tm = Unix.localtime time in
let printable_time =
sprintf "%02d:%02d:%02d" tm.Unix.tm_hour tm.Unix.tm_min tm.Unix.tm_sec in
- mvaddstr top_lineno 0 ("virt-top " ^ printable_time ^ " - ");
(* What's the total CPU time elapsed since we were last called? (ns) *)
let total_cpu_per_pcpu = 1_000_000_000. *. (time -. !last_time) in
let block_stats =
try List.map (fun dev -> dev, D.block_stats dom dev) blkdevs
with
- | Invalid_argument "virDomainBlockStats not supported"
+ | Libvirt.Not_supported "virDomainBlockStats"
| Libvirt.Virterror _ -> [] in
let interface_stats =
try List.map (fun dev -> dev, D.interface_stats dom dev) netifs
with
- | Invalid_argument "virDomainInterfaceStats not supported"
+ | Libvirt.Not_supported "virDomainInterfaceStats"
| Libvirt.Virterror _ -> [] in
let prev_info, prev_block_stats, prev_interface_stats =
rd_prev_block_stats = prev_block_stats;
rd_prev_interface_stats = prev_interface_stats;
rd_cpu_time = 0.; rd_percent_cpu = 0.;
+ rd_mem_bytes = 0L; rd_mem_percent = 0L;
rd_block_rd_reqs = None; rd_block_wr_reqs = None;
+ rd_block_rd_bytes = None; rd_block_wr_bytes = None;
+ rd_block_rd_info = None; rd_block_wr_info = None;
rd_net_rx_bytes = None; rd_net_tx_bytes = None;
})
with
let cpu_time =
Int64.to_float (rd.rd_info.D.cpu_time -^ prev_info.D.cpu_time) in
let percent_cpu = 100. *. cpu_time /. total_cpu in
+ let mem_usage = rd.rd_info.D.memory in
+ let mem_percent =
+ 100L *^ rd.rd_info.D.memory /^ node_info.C.memory in
let rd = { rd with
rd_cpu_time = cpu_time;
- rd_percent_cpu = percent_cpu } in
+ rd_percent_cpu = percent_cpu;
+ rd_mem_bytes = mem_usage;
+ rd_mem_percent = mem_percent} in
name, Active rd
(* For all other domains we can't calculate it, so leave as 0 *)
| rd -> rd
block_stats.D.rd_req -^ prev_block_stats.D.rd_req in
let write_reqs =
block_stats.D.wr_req -^ prev_block_stats.D.wr_req in
+ let read_bytes =
+ block_stats.D.rd_bytes -^ prev_block_stats.D.rd_bytes in
+ let write_bytes =
+ block_stats.D.wr_bytes -^ prev_block_stats.D.wr_bytes in
let rd = { rd with
rd_block_rd_reqs = Some read_reqs;
- rd_block_wr_reqs = Some write_reqs } in
+ rd_block_wr_reqs = Some write_reqs;
+ rd_block_rd_bytes = Some read_bytes;
+ rd_block_wr_bytes = Some write_bytes;
+ } in
+ let rd = { rd with
+ rd_block_rd_info = if !block_in_bytes then
+ rd.rd_block_rd_bytes else rd.rd_block_rd_reqs;
+ rd_block_wr_info = if !block_in_bytes then
+ rd.rd_block_wr_bytes else rd.rd_block_wr_reqs;
+ } in
name, Active rd
(* For all other domains we can't calculate it, so leave as None. *)
| rd -> rd
let historical_cpu = ref [] in
let historical_cpu_last_time = ref (Unix.gettimeofday ()) in
fun
- (_, _, _, _, node_info, _, _) (* setup *)
+ (_, _, _, _, _, node_info, _, _) (* setup *)
(doms,
time, printable_time,
nr_pcpus, total_cpu, total_cpu_per_pcpu,
(* Get the screen/window size. *)
let lines, cols = get_size () in
+ (* Time. *)
+ mvaddstr top_lineno 0 (sprintf "virt-top %s - " printable_time);
+
(* Basic node_info. *)
- addstr (sprintf "%s %d/%dCPU %dMHz %LdMB "
- node_info.C.model node_info.C.cpus nr_pcpus node_info.C.mhz
- (node_info.C.memory /^ 1024L));
+ addstr
+ (sprintf "%s %d/%dCPU %dMHz %LdMB "
+ node_info.C.model node_info.C.cpus nr_pcpus node_info.C.mhz
+ (node_info.C.memory /^ 1024L));
(* Save the cursor position for when we come to draw the
* historical CPU times (down in this function).
*)
(* Print domains. *)
attron A.reverse;
- mvaddstr header_lineno 0
- (pad cols " ID S RDRQ WRRQ RXBY TXBY %CPU %MEM TIME NAME");
+ let header_string = if !block_in_bytes
+ then " ID S RDBY WRBY RXBY TXBY %CPU %MEM TIME NAME"
+ else " ID S RDRQ WRRQ RXBY TXBY %CPU %MEM TIME NAME"
+ in
+ mvaddstr header_lineno 0
+ (pad cols header_string);
attroff A.reverse;
let rec loop lineno = function
| (name, Active rd) :: doms ->
if lineno < lines then (
let state = show_state rd.rd_info.D.state in
- let rd_req = show_int64_option rd.rd_block_rd_reqs in
- let wr_req = show_int64_option rd.rd_block_wr_reqs in
- let rx_bytes = show_int64_option rd.rd_net_rx_bytes in
- let tx_bytes = show_int64_option rd.rd_net_tx_bytes in
- let percent_cpu = show_percent rd.rd_percent_cpu in
- let percent_mem =
- 100L *^ rd.rd_info.D.memory /^ node_info.C.memory in
- let percent_mem = Int64.to_float percent_mem in
- let percent_mem = show_percent percent_mem in
- let time = show_time rd.rd_info.D.cpu_time in
+ let rd_req = Show.int64_option rd.rd_block_rd_info in
+ let wr_req = Show.int64_option rd.rd_block_wr_info in
+ let rx_bytes = Show.int64_option rd.rd_net_rx_bytes in
+ let tx_bytes = Show.int64_option rd.rd_net_tx_bytes in
+ let percent_cpu = Show.percent rd.rd_percent_cpu in
+ let percent_mem = Int64.to_float rd.rd_mem_percent in
+ let percent_mem = Show.percent percent_mem in
+ let time = Show.time rd.rd_info.D.cpu_time in
let line = sprintf "%5d %c %s %s %s %s %s %s %s %s"
rd.rd_domid state rd_req wr_req rx_bytes tx_bytes
mvaddstr (p+domains_lineno) 0 (sprintf "%4d " p);
let cpu_time = pcpus_cpu_time.(p) in (* ns used on this CPU *)
let percent_cpu = 100. *. cpu_time /. total_cpu_per_pcpu in
- addstr (show_percent percent_cpu);
- addch 32;
+ addstr (Show.percent percent_cpu);
+ addch ' ';
List.iteri (
fun di (domid, name, _, _, _, _, _) ->
else (
let t = Int64.to_float t in
let percent = 100. *. t /. total_cpu_per_pcpu in
- sprintf "%s%c%c " (show_percent percent)
+ sprintf "%s%c%c " (Show.percent percent)
(if is_average then '=' else ' ')
(if is_running then '#' else ' ')
) in
let state = show_state rd.rd_info.D.state in
let rx_bytes =
if stats.D.rx_bytes >= 0L
- then show_int64 stats.D.rx_bytes
+ then Show.int64 stats.D.rx_bytes
else " " in
let tx_bytes =
if stats.D.tx_bytes >= 0L
- then show_int64 stats.D.tx_bytes
+ then Show.int64 stats.D.tx_bytes
else " " in
let rx_packets =
if stats.D.rx_packets >= 0L
- then show_int64 stats.D.rx_packets
+ then Show.int64 stats.D.rx_packets
else " " in
let tx_packets =
if stats.D.tx_packets >= 0L
- then show_int64 stats.D.tx_packets
+ then Show.int64 stats.D.tx_packets
else " " in
let line = sprintf "%5d %c %s %s %s %s %-12s %s"
let state = show_state rd.rd_info.D.state in
let rd_bytes =
if stats.D.rd_bytes >= 0L
- then show_int64 stats.D.rd_bytes
+ then Show.int64 stats.D.rd_bytes
else " " in
let wr_bytes =
if stats.D.wr_bytes >= 0L
- then show_int64 stats.D.wr_bytes
+ then Show.int64 stats.D.wr_bytes
else " " in
let rd_req =
if stats.D.rd_req >= 0L
- then show_int64 stats.D.rd_req
+ then Show.int64 stats.D.rd_req
else " " in
let wr_req =
if stats.D.wr_req >= 0L
- then show_int64 stats.D.wr_req
+ then Show.int64 stats.D.wr_req
else " " in
let line = sprintf "%5d %c %s %s %s %s %-12s %s"
total_cpu_time, total_memory, total_domU_memory) = totals in
mvaddstr summary_lineno 0
- (sprintf "%d domains, %d active, %d running, %d sleeping, %d paused, %d inactive D:%d O:%d X:%d"
- count active running blocked paused inactive shutdown shutoff
- crashed);
+ (sprintf
+ (f_"%d domains, %d active, %d running, %d sleeping, %d paused, %d inactive D:%d O:%d X:%d")
+ count active running blocked paused inactive shutdown shutoff crashed);
(* Total %CPU used, and memory summary. *)
let percent_cpu = 100. *. total_cpu_time /. total_cpu in
mvaddstr (summary_lineno+1) 0
- (sprintf "CPU: %2.1f%% Mem: %Ld MB (%Ld MB by guests)"
+ (sprintf
+ (f_"CPU: %2.1f%% Mem: %Ld MB (%Ld MB by guests)")
percent_cpu (total_memory /^ 1024L) (total_domU_memory /^ 1024L));
(* Time to grab another historical %CPU for the list? *)
(* Display historical CPU time. *)
let () =
- let x, y = historical_cursor in (* Yes, it's a bug in ocaml-curses *)
+ let y, x = historical_cursor in
let maxwidth = cols - x in
let line =
String.concat " "
() in
move message_lineno 0; (* Park cursor in message area, as with top. *)
- refresh (); (* Refresh the display. *)
- ()
+ refresh () (* Refresh the display. *)
(* Write CSV header row. *)
let write_csv_header () =
[ "Hostname"; "Time"; "Arch"; "Physical CPUs";
"Count"; "Running"; "Blocked"; "Paused"; "Shutdown";
"Shutoff"; "Crashed"; "Active"; "Inactive";
- "%CPU"; "Total memory (KB)"; "Total guest memory (KB)";
+ "%CPU";
+ "Total hardware memory (KB)";
+ "Total memory (KB)"; "Total guest memory (KB)";
"Total CPU time (ns)" ] @
(* These fields are repeated for each domain: *)
[ "Domain ID"; "Domain name"; ] @
(if !csv_cpu then [ "CPU (ns)"; "%CPU"; ] else []) @
- (if !csv_block then [ "Block RDRQ"; "Block WRRQ"; ] else []) @
+ (if !csv_mem then [ "Mem (bytes)"; "%Mem";] else []) @
+ (if !csv_block && not !block_in_bytes
+ then [ "Block RDRQ"; "Block WRRQ"; ] else []) @
+ (if !csv_block && !block_in_bytes
+ then [ "Block RDBY"; "Block WRBY"; ] else []) @
(if !csv_net then [ "Net RXBY"; "Net TXBY" ] else [])
)
(* Write summary data to CSV file. *)
let append_csv
- (_, _, _, _, node_info, hostname, _) (* setup *)
+ (_, _, _, _, _, node_info, hostname, _) (* setup *)
(doms,
_, printable_time,
nr_pcpus, total_cpu, _,
string_of_int paused; string_of_int shutdown; string_of_int shutoff;
string_of_int crashed; string_of_int active; string_of_int inactive;
sprintf "%2.1f" percent_cpu;
+ Int64.to_string node_info.C.memory;
Int64.to_string total_memory; Int64.to_string total_domU_memory;
Int64.to_string (Int64.of_float total_cpu_time)
] in
(if !csv_cpu then [
string_of_float rd.rd_cpu_time; string_of_float rd.rd_percent_cpu
] else []) @
+ (if !csv_mem then [
+ Int64.to_string rd.rd_mem_bytes; Int64.to_string rd.rd_mem_percent
+ ] else []) @
(if !csv_block then [
- string_of_int64_option rd.rd_block_rd_reqs;
- string_of_int64_option rd.rd_block_wr_reqs;
+ string_of_int64_option rd.rd_block_rd_info;
+ string_of_int64_option rd.rd_block_wr_info;
] else []) @
(if !csv_net then [
string_of_int64_option rd.rd_net_rx_bytes;
(!csv_write) (summary_fields @ domain_fields)
+let dump_stdout
+ (_, _, _, _, _, node_info, hostname, _) (* setup *)
+ (doms,
+ _, printable_time,
+ nr_pcpus, total_cpu, _,
+ totals,
+ _) (* state *) =
+
+ (* Header for this iteration *)
+ printf "virt-top time %s Host %s %s %d/%dCPU %dMHz %LdMB \n"
+ printable_time hostname node_info.C.model node_info.C.cpus nr_pcpus
+ node_info.C.mhz (node_info.C.memory /^ 1024L);
+ (* dump domain information one by one *)
+ let rd, wr = if !block_in_bytes then "RDBY", "WRBY" else "RDRQ", "WRRQ"
+ in
+ printf " ID S %s %s RXBY TXBY %%CPU %%MEM TIME NAME\n" rd wr;
+
+ (* sort by ID *)
+ let doms =
+ let compare =
+ (function
+ | Active {rd_domid = id1 }, Active {rd_domid = id2} ->
+ compare id1 id2
+ | Active _, Inactive -> -1
+ | Inactive, Active _ -> 1
+ | Inactive, Inactive -> 0)
+ in
+ let cmp (name1, dom1) (name2, dom2) = compare(dom1, dom2) in
+ List.sort ~cmp doms in
+ (*Print domains *)
+ let dump_domain = fun name rd
+ -> begin
+ let state = show_state rd.rd_info.D.state in
+ let rd_req = if rd.rd_block_rd_info = None then " 0"
+ else Show.int64_option rd.rd_block_rd_info in
+ let wr_req = if rd.rd_block_wr_info = None then " 0"
+ else Show.int64_option rd.rd_block_wr_info in
+ let rx_bytes = if rd.rd_net_rx_bytes = None then " 0"
+ else Show.int64_option rd.rd_net_rx_bytes in
+ let tx_bytes = if rd.rd_net_tx_bytes = None then " 0"
+ else Show.int64_option rd.rd_net_tx_bytes in
+ let percent_cpu = Show.percent rd.rd_percent_cpu in
+ let percent_mem = Int64.to_float rd.rd_mem_percent in
+ let percent_mem = Show.percent percent_mem in
+ let time = Show.time rd.rd_info.D.cpu_time in
+ printf "%5d %c %s %s %s %s %s %s %s %s\n"
+ rd.rd_domid state rd_req wr_req rx_bytes tx_bytes
+ percent_cpu percent_mem time name;
+ end
+ in
+ List.iter (
+ function
+ | name, Active dom -> dump_domain name dom
+ | name, Inactive -> ()
+ ) doms;
+ flush stdout
+
(* Main loop. *)
-let rec main_loop ((_, batch_mode, script_mode, csv_enabled, _, _, _)
+let rec main_loop ((_, batch_mode, script_mode, csv_enabled, stream_mode, _, _, _)
as setup) =
if csv_enabled then write_csv_header ();
while not !quit do
let state = collect setup in (* Collect stats. *)
- if not script_mode then redraw setup state; (* Redraw display. *)
+ (* Redraw display. *)
+ if not script_mode && not stream_mode then redraw setup state;
if csv_enabled then append_csv setup state; (* Update CSV file. *)
+ if stream_mode then dump_stdout setup state; (* dump to stdout *)
(* Clear up unused virDomainPtr objects. *)
Gc.compact ();
- if not batch_mode && not script_mode then
- get_key_press setup
- else (* Batch mode or script mode - just sleep, ignore keys. *)
- Unix.sleep (!delay / 1000);
-
(* Max iterations? *)
if !iterations >= 0 then (
decr iterations;
if !iterations = 0 then quit := true
);
+
+ (* End time? We might need to adjust the precise delay down if
+ * the delay would be longer than the end time (RHBZ#637964). Note
+ * 'delay' is in milliseconds.
+ *)
+ let delay =
+ match !end_time with
+ | None ->
+ (* No --end-time option, so use the current delay. *)
+ !delay
+ | Some end_time ->
+ let (_, time, _, _, _, _, _, _) = state in
+ let delay_secs = float !delay /. 1000. in
+ if end_time <= time +. delay_secs then (
+ quit := true;
+ let delay = int_of_float (1000. *. (end_time -. time)) in
+ if delay >= 0 then delay else 0
+ ) else
+ !delay in
+ (*eprintf "adjusted delay = %d\n%!" delay;*)
+
+ (* Get next key. This does the sleep. *)
+ if not batch_mode && not script_mode && not stream_mode then
+ get_key_press setup delay
+ else (
+ (* Batch mode, script mode, stream mode. We didn't call
+ * get_key_press, so we didn't sleep. Sleep now, unless we are
+ * about to quit.
+ *)
+ if not !quit || !end_time <> None then
+ millisleep delay
+ )
done
-and get_key_press setup =
- (* Read the next key, waiting up to !delay milliseconds. *)
- timeout !delay;
+and get_key_press setup delay =
+ (* Read the next key, waiting up to 'delay' milliseconds. *)
+ timeout delay;
let k = getch () in
timeout (-1); (* Reset to blocking mode. *)
else if k = Char.code '2' then toggle_net_display ()
else if k = Char.code '3' then toggle_block_display ()
else if k = Char.code 'W' then write_init_file ()
+ else if k = Char.code 'B' then toggle_block_in_bytes_mode ()
else unknown_command k
)
and change_delay () =
- print_msg (sprintf "Change delay from %.1f to: " (float !delay /. 1000.));
+ print_msg
+ (sprintf (f_"Change delay from %.1f to: ") (float !delay /. 1000.));
let str = get_string 16 in
(* Try to parse the number. *)
let error =
try
let newdelay = float_of_string str in
if newdelay <= 0. then (
- print_msg "Delay must be > 0"; true
+ print_msg (s_"Delay must be > 0"); true
) else (
delay := int_of_float (newdelay *. 1000.); false
)
with
Failure "float_of_string" ->
- print_msg "Not a valid number"; true in
+ print_msg (s_"Not a valid number"); true in
+ refresh ();
sleep (if error then 2 else 1)
and change_sort_order () =
clear ();
let lines, cols = get_size () in
- mvaddstr top_lineno 0 "Set sort order for main display";
- mvaddstr summary_lineno 0 "Type key or use up and down cursor keys.";
+ mvaddstr top_lineno 0 (s_"Set sort order for main display");
+ mvaddstr summary_lineno 0 (s_"Type key or use up and down cursor keys.");
attron A.reverse;
mvaddstr header_lineno 0 (pad cols "KEY Sort field");
sort_order := new_order;
print_msg (sprintf "Sort order changed to: %s"
(printable_sort_order new_order));
- if not loop then sleep 1
+ if not loop then (
+ refresh ();
+ sleep 1
+ )
);
if loop then change_sort_order ()
| TaskDisplay | NetDisplay -> BlockDisplay
| BlockDisplay -> TaskDisplay
+and toggle_block_in_bytes_mode () = (* key B *)
+ block_in_bytes :=
+ match !block_in_bytes with
+ | false -> true
+ | true -> false
+
(* Write an init file. *)
and write_init_file () =
match !init_file with
| NoInitFile -> () (* Do nothing if --no-init-file *)
| DefaultInitFile ->
let home = try Sys.getenv "HOME" with Not_found -> "/" in
- let filename = home // ".virt-toprc" in
+ let filename = home // rcfile in
_write_init_file filename
| InitFile filename ->
_write_init_file filename
let fp = fprintf in
let nl () = fp chan "\n" in
- fp chan "# .virt-toprc virt-top configuration file\n";
- fp chan "# generated on %s by %s\n" printable_date_time username;
+ let () = fp chan (f_"# %s virt-top configuration file\n") rcfile in
+ let () = fp chan (f_"# generated on %s by %s\n") printable_date_time username in
nl ();
fp chan "display %s\n" (cli_of_display !display_mode);
fp chan "delay %g\n" (float !delay /. 1000.);
if !batch_mode = true then fp chan "batch true\n";
if !secure_mode = true then fp chan "secure true\n";
nl ();
- fp chan "# To send debug and error messages to a file, uncomment next line\n";
+ output_string chan (s_"# To send debug and error messages to a file, uncomment next line\n");
fp chan "#debug virt-top.out\n";
nl ();
- fp chan "# Enable CSV output to the named file\n";
+ output_string chan (s_"# Enable CSV output to the named file\n");
fp chan "#csv virt-top.csv\n";
nl ();
- fp chan "# To protect this file from being overwritten, uncomment next line\n";
+ output_string chan (s_"# To protect this file from being overwritten, uncomment next line\n");
fp chan "#overwrite-init-file false\n";
close_out chan;
(* Rename filename.new to filename. *)
Unix.rename (filename ^ ".new") filename;
- print_msg (sprintf "Wrote settings to %s" filename); sleep 2
+ print_msg (sprintf (f_"Wrote settings to %s") filename);
+ refresh ();
+ sleep 2
with
- | Sys_error err -> print_msg "Error: %s"; sleep 2
+ | Sys_error err ->
+ print_msg (s_"Error" ^ ": " ^ err);
+ refresh (); sleep 2
| Unix.Unix_error (err, fn, str) ->
- print_msg (sprintf "Error: %s %s %s" (Unix.error_message err) fn str);
+ print_msg (s_"Error" ^ ": " ^
+ (Unix.error_message err) ^ " " ^ fn ^ " " ^ str);
+ refresh ();
sleep 2
-and show_help (_, _, _, _, _, hostname,
+and show_help (_, _, _, _, _, _, hostname,
(libvirt_major, libvirt_minor, libvirt_release)) =
clear ();
(* Banner at the top of the screen. *)
let banner =
- sprintf "virt-top %s (libvirt %d.%d.%d) by Red Hat"
- Libvirt_version.version libvirt_major libvirt_minor libvirt_release in
+ sprintf (f_"virt-top %s ocaml-libvirt %s libvirt %d.%d.%d by Red Hat")
+ Virt_top_version.version
+ Libvirt_version.version
+ libvirt_major libvirt_minor libvirt_release in
let banner = pad cols banner in
attron A.reverse;
mvaddstr 0 0 banner;
(* Status. *)
mvaddstr 1 0
- (sprintf "Delay: %.1f secs; Batch: %s; Secure: %s; Sort: %s"
+ (sprintf
+ (f_"Delay: %.1f secs; Batch: %s; Secure: %s; Sort: %s")
(float !delay /. 1000.)
- (if !batch_mode then "On" else "Off")
- (if !secure_mode then "On" else "Off")
+ (if !batch_mode then s_"On" else s_"Off")
+ (if !secure_mode then s_"On" else s_"Off")
(printable_sort_order !sort_order));
mvaddstr 2 0
- (sprintf "Connect: %s; Hostname: %s"
- (match !uri with None -> "default" | Some s -> s)
+ (sprintf
+ (f_"Connect: %s; Hostname: %s")
+ (match !uri with None -> s_"default" | Some s -> s)
hostname);
(* Misc keys on left. *)
- let banner = pad 38 "MAIN KEYS" in
+ let banner = pad 38 (s_"MAIN KEYS") in
attron A.reverse;
mvaddstr header_lineno 1 banner;
attroff A.reverse;
let key keys description =
let lineno = get_lineno () in
move lineno 1; attron A.bold; addstr keys; attroff A.bold;
- move lineno 10; addstr description; ()
+ move lineno 10; addstr description
in
- key "space ^L" "Update display";
- key "q" "Quit";
- key "d s" "Set update interval";
- key "h" "Help";
+ key "space ^L" (s_"Update display");
+ key "q" (s_"Quit");
+ key "d s" (s_"Set update interval");
+ key "h" (s_"Help");
+ key "B" (s_"toggle block info req/bytes");
(* Sort order. *)
ignore (get_lineno ());
- let banner = pad 38 "SORTING" in
+ let banner = pad 38 (s_"SORTING") in
attron A.reverse;
mvaddstr (get_lineno ()) 1 banner;
attroff A.reverse;
- key "P" "Sort by %CPU";
- key "M" "Sort by %MEM";
- key "T" "Sort by TIME";
- key "N" "Sort by ID";
- key "F" "Select sort field";
+ key "P" (s_"Sort by %CPU");
+ key "M" (s_"Sort by %MEM");
+ key "T" (s_"Sort by TIME");
+ key "N" (s_"Sort by ID");
+ key "F" (s_"Select sort field");
(* Display modes on right. *)
- let banner = pad 39 "DISPLAY MODES" in
+ let banner = pad 39 (s_"DISPLAY MODES") in
attron A.reverse;
mvaddstr header_lineno 40 banner;
attroff A.reverse;
let key keys description =
let lineno = get_lineno () in
move lineno 40; attron A.bold; addstr keys; attroff A.bold;
- move lineno 49; addstr description; ()
+ move lineno 49; addstr description
in
- key "0" "Domains display";
- key "1" "Toggle physical CPUs";
- key "2" "Toggle network interfaces";
- key "3" "Toggle block devices";
+ key "0" (s_"Domains display");
+ key "1" (s_"Toggle physical CPUs");
+ key "2" (s_"Toggle network interfaces");
+ key "3" (s_"Toggle block devices");
(* Update screen and wait for key press. *)
mvaddstr (lines-1) 0
- "More help in virt-top(1) man page. Press any key to return.";
+ (s_"More help in virt-top(1) man page. Press any key to return.");
refresh ();
ignore (getch ())
and unknown_command k =
- print_msg "Unknown command - try 'h' for help";
+ print_msg (s_"Unknown command - try 'h' for help");
+ refresh ();
sleep 1
git.annexia.org / virt-top.git / blobdiff