--- /dev/null
+(* 'top'-like tool for libvirt domains.
+ (C) Copyright 2007-2017 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.
+*)
+
+(* CSV output functions. *)
+
+open Printf
+open ExtList
+
+open Collect
+
+module C = Libvirt.Connect
+
+(* Hook for CSV support (see [opt_csv.ml]). *)
+let csv_write : (string list -> unit) ref =
+ ref (
+ fun _ -> ()
+ )
+
+(* Write CSV header row. *)
+let write_csv_header (csv_cpu, csv_mem, csv_block, csv_net) block_in_bytes =
+ (!csv_write) (
+ [ "Hostname"; "Time"; "Arch"; "Physical CPUs";
+ "Count"; "Running"; "Blocked"; "Paused"; "Shutdown";
+ "Shutoff"; "Crashed"; "Active"; "Inactive";
+ "%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_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 *)
+ (csv_cpu, csv_mem, csv_block, csv_net)
+ { rd_doms = doms;
+ rd_printable_time = printable_time;
+ rd_nr_pcpus = nr_pcpus; rd_total_cpu = total_cpu;
+ rd_totals = totals } (* state *) =
+ (* The totals / summary fields. *)
+ let (count, running, blocked, paused, shutdown, shutoff,
+ crashed, active, inactive,
+ total_cpu_time, total_memory, total_domU_memory) = totals in
+
+ let percent_cpu = 100. *. total_cpu_time /. total_cpu in
+
+ let summary_fields = [
+ hostname; printable_time; node_info.C.model; string_of_int nr_pcpus;
+ string_of_int count; string_of_int running; string_of_int blocked;
+ 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
+
+ (* The domains.
+ *
+ * Sort them by ID so that the list of relatively stable. Ignore
+ * inactive domains.
+ *)
+ let doms = List.filter_map (
+ function
+ | _, Inactive -> None (* Ignore inactive domains. *)
+ | name, Active rd -> Some (name, rd)
+ ) doms in
+ let cmp (_, { rd_domid = rd_domid1 }) (_, { rd_domid = rd_domid2 }) =
+ compare rd_domid1 rd_domid2
+ in
+ let doms = List.sort ~cmp doms in
+
+ let string_of_int64_option = Option.map_default Int64.to_string "" in
+
+ let domain_fields = List.map (
+ fun (domname, rd) ->
+ [ string_of_int rd.rd_domid; domname ] @
+ (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_info;
+ string_of_int64_option rd.rd_block_wr_info;
+ ] else []) @
+ (if csv_net then [
+ string_of_int64_option rd.rd_net_rx_bytes;
+ string_of_int64_option rd.rd_net_tx_bytes;
+ ] else [])
+ ) doms in
+ let domain_fields = List.flatten domain_fields in
+
+ (!csv_write) (summary_fields @ domain_fields)