913 lines
40 KiB
JavaScript
913 lines
40 KiB
JavaScript
const ByteArray = imports.byteArray;
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const Desklet = imports.ui.desklet;
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const Settings = imports.ui.settings;
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const Mainloop = imports.mainloop;
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const Lang = imports.lang;
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const Cairo = imports.cairo;
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const St = imports.gi.St;
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const GLib = imports.gi.GLib;
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const Gettext = imports.gettext;
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const GIB_TO_KIB = 1048576; // 1 GiB = 1,048,576 kiB
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const GB_TO_B = 1000000000; // 1 GB = 1,000,000,000 B
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const GIB_TO_MIB = 1024; // 1 GiB = 1,042 MiB
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const KB_TO_B = 1000; // 1 KB = 1,000 B
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const KIB_TO_B = 1024; // 1 KiB = 1,024 B
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const UUID = "system-monitor-graph@rcassani";
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const DESKLET_PATH = imports.ui.deskletManager.deskletMeta[UUID].path;
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Gettext.bindtextdomain(UUID, GLib.get_home_dir() + "/.local/share/locale");
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function _(str) {
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return Gettext.dgettext(UUID, str);
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}
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function SystemMonitorGraph(metadata, desklet_id) {
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this._init(metadata, desklet_id);
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}
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function main(metadata, desklet_id) {
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return new SystemMonitorGraph(metadata, desklet_id);
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}
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SystemMonitorGraph.prototype = {
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__proto__: Desklet.Desklet.prototype,
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_init: function(metadata, desklet_id) {
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Desklet.Desklet.prototype._init.call(this, metadata, desklet_id);
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// initialize settings
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this.settings = new Settings.DeskletSettings(this, this.metadata["uuid"], desklet_id);
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this.settings.bindProperty(Settings.BindingDirection.IN, "type", "type", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "data-prefix-ram", "data_prefix_ram", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "data-prefix-swap", "data_prefix_swap", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "data-prefix-hdd", "data_prefix_hdd", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "data-prefix-gpumem", "data_prefix_gpumem", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "data-prefix-network", "data_prefix_network", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "network-interface", "network_interface", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "filesystem", "filesystem", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "filesystem-label", "filesystem_label", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "gpu-manufacturer", "gpu_manufacturer", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "gpu-variable", "gpu_variable", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "gpu-id", "gpu_id", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "refresh-interval", "refresh_interval", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "duration", "duration", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "background-color", "background_color", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "h-midlines", "h_midlines", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "v-midlines", "v_midlines", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "scale-size", "scale_size", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "midline-color", "midline_color", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "text-color", "text_color", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-cpu", "line_color_cpu", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-ram", "line_color_ram", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-swap", "line_color_swap", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-hdd", "line_color_hdd", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-gpu", "line_color_gpu", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-network-down", "line_color_network_down", this.on_setting_changed);
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this.settings.bindProperty(Settings.BindingDirection.IN, "line-color-network-up", "line_color_network_up", this.on_setting_changed);
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// initialize desklet GUI
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this.setupUI();
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},
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setupUI: function(){
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// initialize this.canvas
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this.canvas = new Clutter.Actor();
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this.canvas.remove_all_children();
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this.text1 = new St.Label();
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this.text2 = new St.Label();
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this.text3 = new St.Label();
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this.canvas.add_actor(this.text1);
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this.canvas.add_actor(this.text2);
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this.canvas.add_actor(this.text3);
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this.setContent(this.canvas);
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// flag to indicate the first loop of the Desklet
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this.first_run = true;
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// update loop for Desklet
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this.update();
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},
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update: function() {
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// monitors a given variable and plot its graph
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this.update_draw();
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// call this.update() every in refresh_interval seconds
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this.timeout = Mainloop.timeout_add_seconds(this.refresh_interval, Lang.bind(this, this.update));
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},
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update_draw: function() {
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// values needed in first run
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if (this.first_run){
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this.n_values = Math.floor(this.duration / this.refresh_interval) + 1;
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this.values = new Array(this.n_values).fill(0.0);
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this.cpu_cpu_tot = 0;
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this.cpu_cpu_idl = 0;
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this.hdd_cpu_tot = 0;
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this.hdd_hdd_tot = 0;
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// values to graph
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this.cpu_use = 0;
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this.ram_values = new Array(2).fill(0.0);
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this.swap_values = new Array(2).fill(0.0);
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this.hdd_values = new Array(4).fill(0.0);
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this.gpu_use = NaN;
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this.gpu_mem = new Array(2).fill(0.0);
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// network monitoring values
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this.net_down_values = new Array(this.n_values).fill(0.0);
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this.net_up_values = new Array(this.n_values).fill(0.0);
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this.last_net_rx = 0;
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this.last_net_tx = 0;
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this.net_down_speed = 0;
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this.net_up_speed = 0;
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this.net_max_scale = 1; // Auto-scaling for network graph
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// set colors
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switch (this.type) {
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case "cpu":
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this.line_color = this.line_color_cpu;
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break;
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case "ram":
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this.line_color = this.line_color_ram;
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break;
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case "swap":
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this.line_color = this.line_color_swap;
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break;
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case "hdd":
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this.line_color = this.line_color_hdd;
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break;
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case "gpu":
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this.line_color = this.line_color_gpu;
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break;
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case "network":
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this.line_color = this.line_color_network_down; // Use download color for border
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this.line_color_down = this.line_color_network_down;
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this.line_color_up = this.line_color_network_up;
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break;
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}
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this.first_run = false;
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}
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// Desklet proportions
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let unit_size = 15 * this.scale_size * global.ui_scale; // pixels
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var line_width = unit_size / 15;
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var margin_up = 3 * unit_size;
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var graph_w = 20 * unit_size;
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var graph_h = 4 * unit_size;
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let desklet_w = graph_w + (2 * unit_size);
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let desklet_h = graph_h + (4 * unit_size);
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var h_midlines = this.h_midlines;
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var v_midlines = this.v_midlines;
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let text1_size = (4 * unit_size / 3) / global.ui_scale;
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let text2_size = (4 * unit_size / 3) / global.ui_scale;
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let text3_size = (3 * unit_size / 3) / global.ui_scale;
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var radius = 2 * unit_size / 3;;
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var degrees = Math.PI / 180.0;
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let n_values = this.n_values;
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let values = this.values;
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let graph_step = graph_w / (n_values -1);
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var value = 0.0;
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var text1 = '';
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var text2 = '';
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var text3 = '';
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var line_colors = this.parse_rgba_settings(this.line_color);
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// current values
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switch (this.type) {
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case "cpu":
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this.get_cpu_use();
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value = this.cpu_use / 100;
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text1 = _("CPU");
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text2 = Math.round(this.cpu_use).toString() + "%";
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break;
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case "ram":
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this.get_ram_values();
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let ram_use = 100 * this.ram_values[1] / this.ram_values[0];
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value = ram_use / 100;
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let ram_prefix = "";
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if (this.data_prefix_ram == 1) {
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// decimal prefix
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ram_prefix = _("GB");
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} else {
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// binary prefix
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ram_prefix = _("GiB");
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}
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text1 = _("RAM");
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text2 = Math.round(ram_use).toString() + "%"
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text3 = this.ram_values[1].toFixed(1) + " / "
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+ this.ram_values[0].toFixed(1) + " " + ram_prefix;
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break;
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case "swap":
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this.get_swap_values();
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let swap_use = 100 * this.swap_values[1] / this.swap_values[0];
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value = swap_use / 100;
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let swap_prefix = "";
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if (this.data_prefix_swap == 1) {
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// decimal prefix
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swap_prefix = _("GB");
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} else {
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// binary prefix
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swap_prefix = _("GiB");
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}
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text1 = _("Swap");
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text2 = Math.round(swap_use).toString() + "%"
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text3 = this.swap_values[1].toFixed(1) + " / "
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+ this.swap_values[0].toFixed(1) + " " + swap_prefix;
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break;
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case "hdd":
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let dir_path = decodeURIComponent(this.filesystem.replace("file://", "").trim());
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if(dir_path == null || dir_path == "") dir_path = "/";
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this.get_hdd_values(dir_path);
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let hdd_use = Math.min(this.hdd_values[1], 100); //already in %
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value = hdd_use / 100;
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let hdd_prefix = "";
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if (this.data_prefix_hdd == 1) {
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// decimal prefix
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hdd_prefix = _("GB");
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} else {
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// binary prefix
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hdd_prefix = _("GiB");
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}
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text1 = this.filesystem_label;
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if (text1 == "") text1 = this.hdd_values[0].toString();
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text2 = Math.round(hdd_use).toString() + "%"
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text3 = this.hdd_values[3].toFixed(0) + " " + hdd_prefix + " " + _("free of") + " "
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+ this.hdd_values[2].toFixed(0) + " " + hdd_prefix;
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break;
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case "gpu":
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switch (this.gpu_variable) {
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case "usage":
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switch (this.gpu_manufacturer) {
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case "nvidia":
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this.get_nvidia_gpu_use();
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break;
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case "amdgpu":
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this.get_amdgpu_gpu_use();
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break;
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}
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value = this.gpu_use / 100;
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text1 = _("GPU Usage");
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text2 = Math.round(this.gpu_use).toString() + "%";
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break;
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case "memory":
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switch (this.gpu_manufacturer) {
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case "nvidia":
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this.get_nvidia_gpu_mem();
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break;
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case "amdgpu":
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this.get_amdgpu_gpu_mem();
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break;
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}
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let gpu_mem_use = 100 * this.gpu_mem[1] / this.gpu_mem[0];
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value = gpu_mem_use / 100;
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let gpumem_prefix = "";
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if (this.data_prefix_gpumem == 1) {
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// decimal prefix
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gpumem_prefix = _("GB");
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} else {
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// binary prefix
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gpumem_prefix = _("GiB");
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}
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text1 = _("GPU Memory");
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text2 = Math.round(gpu_mem_use).toString() + "%"
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text3 = this.gpu_mem[1].toFixed(1) + " / "
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+ this.gpu_mem[0].toFixed(1) + " " + gpumem_prefix;
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break;
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}
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break;
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case "network":
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this.get_network_values();
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// For network, we don't use the single 'value' variable as we have dual lines
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value = 0; // Not used for network type
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text1 = _("Network");
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// Format speeds with appropriate units
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let down_speed_formatted = this.format_network_speed(this.net_down_speed);
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let up_speed_formatted = this.format_network_speed(this.net_up_speed);
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text2 = "↓ " + down_speed_formatted;
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text3 = "↑ " + up_speed_formatted;
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break;
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}
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// For non-network types, concatenate new value to the main values array
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if (this.type !== "network") {
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values.push(isNaN(value) ? 0 : value);
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values.shift();
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this.values = values;
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}
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var background_colors = this.parse_rgba_settings(this.background_color);
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var midline_colors = this.parse_rgba_settings(this.midline_color);
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// draws graph
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let canvas = new Clutter.Canvas();
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canvas.set_size(desklet_w, desklet_h);
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canvas.connect('draw', (canvas, ctx, desklet_w, desklet_h) => {
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ctx.save();
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ctx.setOperator(Cairo.Operator.CLEAR);
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ctx.paint();
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ctx.restore();
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ctx.setOperator(Cairo.Operator.OVER);
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ctx.setLineWidth(2 * line_width);
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// desklet background
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ctx.setSourceRGBA(background_colors[0], background_colors[1], background_colors[2], background_colors[3]);
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ctx.newSubPath();
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ctx.arc(desklet_w - radius, radius, radius, -90 * degrees, 0 * degrees);
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ctx.arc(desklet_w - radius, desklet_h - radius, radius, 0 * degrees, 90 * degrees);
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ctx.arc(radius, desklet_h - radius, radius, 90 * degrees, 180 * degrees);
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ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
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ctx.closePath();
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ctx.fill();
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// graph V and H midlines
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ctx.setSourceRGBA(midline_colors[0], midline_colors[1], midline_colors[2], 1);
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ctx.setLineWidth(line_width);
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for (let i = 1; i<v_midlines; i++){
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ctx.moveTo((i * graph_w / v_midlines) + unit_size, margin_up);
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ctx.relLineTo(0, graph_h);
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ctx.stroke();
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}
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for (let i = 1; i<h_midlines; i++){
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ctx.moveTo(unit_size, margin_up + i * (graph_h / h_midlines));
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ctx.relLineTo(graph_w, 0);
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ctx.stroke();
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}
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if (this.type === "network") {
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// Draw dual-line network graph
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this.draw_network_graph(ctx, unit_size, margin_up, graph_w, graph_h, graph_step, n_values, line_width);
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} else {
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// timeseries and area
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ctx.setLineWidth(2 * line_width);
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ctx.setSourceRGBA(line_colors[0], line_colors[1], line_colors[2], 1);
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ctx.moveTo(unit_size, margin_up + graph_h - (values[0] * graph_h));
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for (let i = 1; i<n_values; i++){
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ctx.lineTo(unit_size + (i * graph_step), margin_up + graph_h - (values[i] * graph_h));
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}
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ctx.strokePreserve();
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ctx.lineTo(unit_size + graph_w, margin_up + graph_h);
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ctx.lineTo(unit_size, margin_up + graph_h);
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ctx.closePath();
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ctx.setSourceRGBA(line_colors[0], line_colors[1], line_colors[2], 0.4);
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ctx.fill();
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}
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// graph border (redrawn on top)
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ctx.setLineWidth(2 * line_width);
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ctx.setSourceRGBA(line_colors[0], line_colors[1], line_colors[2], 1);
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ctx.rectangle(unit_size, margin_up, graph_w, graph_h);
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ctx.stroke();
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return false;
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});
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// labels: set text, style and position
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this.text1.set_text(text1);
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this.text1.style = "font-size: " + text1_size + "px;"
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+ "color: " + this.text_color + ";";
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this.text1.set_position(
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Math.round(unit_size),
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Math.round((2.5 * unit_size) - this.text1.get_height())
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);
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this.text2.set_text(text2);
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this.text2.style = "font-size: " + text2_size + "px;"
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+ "color: " + this.text_color + ";";
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this.text2.set_position(
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Math.round(this.text1.get_width() + (2 * unit_size)),
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Math.round((2.5 * unit_size) - this.text2.get_height())
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);
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this.text3.set_text(text3);
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if (this.type !== "network") {
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this.text3.style = "font-size: " + text3_size + "px;"
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+ "color: " + this.text_color + ";";
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this.text3.set_position(
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Math.round((21 * unit_size) - this.text3.get_width()),
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Math.round((2.5 * unit_size) - this.text3.get_height()));
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} else {
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this.text3.style = "font-size: " + text2_size + "px;"
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+ "color: " + this.text_color + ";";
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this.text3.set_position(
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Math.round(this.text1.get_width() + (9 * unit_size)),
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Math.round((2.5 * unit_size) - this.text3.get_height()));
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}
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// update canvas
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canvas.invalidate();
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this.canvas.set_content(canvas);
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this.canvas.set_size(desklet_w, desklet_h);
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},
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draw_network_graph: function(ctx, unit_size, margin_up, graph_w, graph_h, graph_step, n_values, line_width) {
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// Parse colors for download and upload
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var down_colors = this.parse_rgba_settings(this.line_color_down);
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var up_colors = this.parse_rgba_settings(this.line_color_up);
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// Robust array bounds checking
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if (!this.net_down_values || !this.net_up_values ||
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this.net_down_values.length === 0 || this.net_up_values.length === 0) {
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return; // Skip drawing if arrays are not properly initialized
|
|
}
|
|
|
|
// Filter out invalid values and find maximum
|
|
let valid_down_values = this.net_down_values.filter(v => !isNaN(v) && isFinite(v) && v >= 0);
|
|
let valid_up_values = this.net_up_values.filter(v => !isNaN(v) && isFinite(v) && v >= 0);
|
|
|
|
let max_down = valid_down_values.length > 0 ? Math.max(...valid_down_values) : 0;
|
|
let max_up = valid_up_values.length > 0 ? Math.max(...valid_up_values) : 0;
|
|
let current_max = Math.max(max_down, max_up);
|
|
|
|
// Improved Y-axis scaling with speed range detection
|
|
let target_scale = this.calculate_optimal_scale(current_max);
|
|
|
|
// Smooth scale transitions with different rates for up/down
|
|
if (target_scale > this.net_max_scale) {
|
|
// Scale up quickly for new peaks
|
|
this.net_max_scale = target_scale;
|
|
} else {
|
|
// Scale down gradually with 98% retention for stability
|
|
this.net_max_scale = Math.max(target_scale, this.net_max_scale * 0.98);
|
|
}
|
|
|
|
// Ensure minimum scale to avoid division by zero
|
|
if (this.net_max_scale < 1024) this.net_max_scale = 1024; // Minimum 1 KiB/s scale
|
|
|
|
ctx.setLineWidth(2 * line_width);
|
|
|
|
// Draw download line with area fill
|
|
ctx.setSourceRGBA(down_colors[0], down_colors[1], down_colors[2], 1);
|
|
ctx.moveTo(unit_size, margin_up + graph_h - this.safe_scale_value(this.net_down_values[0], graph_h));
|
|
for (let i = 1; i < n_values; i++) {
|
|
ctx.lineTo(unit_size + (i * graph_step), margin_up + graph_h - this.safe_scale_value(this.net_down_values[i], graph_h));
|
|
}
|
|
ctx.strokePreserve();
|
|
// Add area fill for download
|
|
ctx.lineTo(unit_size + graph_w, margin_up + graph_h);
|
|
ctx.lineTo(unit_size, margin_up + graph_h);
|
|
ctx.closePath();
|
|
ctx.setSourceRGBA(down_colors[0], down_colors[1], down_colors[2], 0.3);
|
|
ctx.fill();
|
|
|
|
// Draw upload line with area fill
|
|
ctx.setSourceRGBA(up_colors[0], up_colors[1], up_colors[2], 1);
|
|
ctx.moveTo(unit_size, margin_up + graph_h - this.safe_scale_value(this.net_up_values[0], graph_h));
|
|
for (let i = 1; i < n_values; i++) {
|
|
ctx.lineTo(unit_size + (i * graph_step), margin_up + graph_h - this.safe_scale_value(this.net_up_values[i], graph_h));
|
|
}
|
|
ctx.strokePreserve();
|
|
// Add area fill for upload
|
|
ctx.lineTo(unit_size + graph_w, margin_up + graph_h);
|
|
ctx.lineTo(unit_size, margin_up + graph_h);
|
|
ctx.closePath();
|
|
ctx.setSourceRGBA(up_colors[0], up_colors[1], up_colors[2], 0.3);
|
|
ctx.fill();
|
|
},
|
|
|
|
// Helper function for safe value scaling
|
|
safe_scale_value: function(value, graph_h) {
|
|
if (!value || isNaN(value) || !isFinite(value) || value < 0) {
|
|
return 0; // Return 0 for invalid values
|
|
}
|
|
let scaled = (value / this.net_max_scale) * graph_h;
|
|
// Clamp to graph bounds
|
|
return Math.max(0, Math.min(graph_h, scaled));
|
|
},
|
|
|
|
// Calculate optimal scale based on speed ranges
|
|
calculate_optimal_scale: function(current_max) {
|
|
if (current_max <= 0) return 1024; // 1 KiB/s minimum
|
|
|
|
// Define speed range thresholds (in bytes/sec)
|
|
const speed_ranges = [
|
|
1024, // 1 KiB/s
|
|
10240, // 10 KiB/s
|
|
102400, // 100 KiB/s
|
|
1048576, // 1 MiB/s
|
|
10485760, // 10 MiB/s
|
|
50000000, // 50 MiB/s
|
|
104857600, // 100 MiB/s
|
|
250000000, // 250 MiB/s
|
|
500000000, // 500 MiB/s
|
|
1073741824, // 1 GiB/s
|
|
10737418240 // 10 GiB/s
|
|
];
|
|
|
|
// Find appropriate scale with 20% headroom
|
|
let target = current_max * 1.2;
|
|
|
|
for (let scale of speed_ranges) {
|
|
if (target <= scale) {
|
|
return scale;
|
|
}
|
|
}
|
|
|
|
// For very high speeds, use next power of 2
|
|
let power = Math.ceil(Math.log2(target));
|
|
return Math.pow(2, power);
|
|
|
|
},
|
|
|
|
format_network_speed: function(speed_bytes_per_sec) {
|
|
// Enhanced error handling for speed formatting
|
|
if (!speed_bytes_per_sec || isNaN(speed_bytes_per_sec) || !isFinite(speed_bytes_per_sec) || speed_bytes_per_sec < 0) {
|
|
return "0 " + _("B") + "/s";
|
|
}
|
|
|
|
// Convert bytes per second to appropriate units
|
|
let speed = speed_bytes_per_sec;
|
|
let unit = "";
|
|
|
|
if (this.data_prefix_network == 1) {
|
|
// Decimal prefix (1000-based)
|
|
if (speed >= 1000000000) {
|
|
speed = speed / 1000000000;
|
|
unit = _("GB") + "/s";
|
|
} else if (speed >= 1000000) {
|
|
speed = speed / 1000000;
|
|
unit = _("MB") + "/s";
|
|
} else if (speed >= 1000) {
|
|
speed = speed / 1000;
|
|
unit = _("KB") + "/s";
|
|
} else {
|
|
unit = _("B") + "/s";
|
|
}
|
|
} else {
|
|
// Binary prefix (1024-based)
|
|
if (speed >= 1073741824) { // 1024^3
|
|
speed = speed / 1073741824;
|
|
unit = _("GiB") + "/s";
|
|
} else if (speed >= 1048576) { // 1024^2
|
|
speed = speed / 1048576;
|
|
unit = _("MiB") + "/s";
|
|
} else if (speed >= 1024) {
|
|
speed = speed / 1024;
|
|
unit = _("KiB") + "/s";
|
|
} else {
|
|
unit = _("B") + "/s";
|
|
}
|
|
}
|
|
|
|
// Format with appropriate decimal places
|
|
if (speed >= 10) {
|
|
return Math.round(speed).toString() + " " + unit;
|
|
} else {
|
|
return speed.toFixed(1) + " " + unit;
|
|
}
|
|
},
|
|
|
|
on_setting_changed: function() {
|
|
// settings changed; instant refresh
|
|
if (this.timeout) {
|
|
Mainloop.source_remove(this.timeout);
|
|
}
|
|
this.first_run = true;
|
|
this.update();
|
|
},
|
|
|
|
on_desklet_removed: function() {
|
|
if (this.timeout) {
|
|
Mainloop.source_remove(this.timeout);
|
|
}
|
|
},
|
|
|
|
cpu_file: Gio.file_new_for_path('/proc/stat'),
|
|
get_cpu_use: function() {
|
|
// https://rosettacode.org/wiki/Linux_CPU_utilization
|
|
this.cpu_file.load_contents_async(null, (file, response) => {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if(success) {
|
|
let cpu_values = ByteArray.toString(contents).split("\n")[0].split(/\s+/);
|
|
let cpu_idl = parseFloat(cpu_values[4]);
|
|
let cpu_tot = 0;
|
|
for (let i = 1; i<10; i++){
|
|
cpu_tot += parseFloat(cpu_values[i])
|
|
}
|
|
this.cpu_use = 100 * (1 - (cpu_idl - this.cpu_cpu_idl) / (cpu_tot - this.cpu_cpu_tot));
|
|
this.cpu_cpu_tot = cpu_tot;
|
|
this.cpu_cpu_idl = cpu_idl;
|
|
}
|
|
GLib.free(contents);
|
|
});
|
|
},
|
|
|
|
ram_swap_file: Gio.file_new_for_path('/proc/meminfo'),
|
|
get_ram_values: function() {
|
|
// used = total - available
|
|
// while meminfo says "kb" the unit is kibibytes
|
|
this.ram_swap_file.load_contents_async(null, (file, response) => {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if(success) {
|
|
let mem = ByteArray.toString(contents);
|
|
let mem_tot = parseInt(mem.match(/(MemTotal):\D+(\d+)/)[2]);
|
|
let mem_usd = mem_tot - parseInt(mem.match(/(MemAvailable):\D+(\d+)/)[2]);
|
|
let ram_tot
|
|
let ram_usd
|
|
if (this.data_prefix_ram == 1) {
|
|
// decimal prefix
|
|
ram_tot = mem_tot * 1024 / GB_TO_B;
|
|
ram_usd = mem_usd * 1024 / GB_TO_B;
|
|
} else {
|
|
// binary prefix
|
|
ram_tot = mem_tot / GIB_TO_KIB;
|
|
ram_usd = mem_usd / GIB_TO_KIB;
|
|
}
|
|
this.ram_values = [ram_tot, ram_usd];
|
|
}
|
|
GLib.free(contents);
|
|
});
|
|
},
|
|
|
|
get_swap_values: function() {
|
|
// used = total - available
|
|
// while meminfo says "kb" the unit is kibibytes
|
|
this.ram_swap_file.load_contents_async(null, (file, response) => {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if(success) {
|
|
let mem = ByteArray.toString(contents);
|
|
let mem_tot = parseInt(mem.match(/(SwapTotal):\D+(\d+)/)[2]);
|
|
let mem_usd = mem_tot - parseInt(mem.match(/(SwapFree):\D+(\d+)/)[2]);
|
|
let swap_tot
|
|
let swap_usd
|
|
if (this.data_prefix_swap == 1) {
|
|
// decimal prefix
|
|
swap_tot = mem_tot * 1024 / GB_TO_B;
|
|
swap_usd = mem_usd * 1024 / GB_TO_B;
|
|
} else {
|
|
// binary prefix
|
|
swap_tot = mem_tot / GIB_TO_KIB;
|
|
swap_usd = mem_usd / GIB_TO_KIB;
|
|
}
|
|
this.swap_values = [swap_tot, swap_usd];
|
|
}
|
|
GLib.free(contents);
|
|
});
|
|
},
|
|
|
|
hdd_file: Gio.file_new_for_path('/proc/diskstats'),
|
|
get_hdd_values: function(dir_path) {
|
|
// while df says "1K" it means 1 kibibyte
|
|
let subprocess = new Gio.Subprocess({
|
|
argv: ['/bin/df', dir_path],
|
|
flags: Gio.SubprocessFlags.STDOUT_PIPE|Gio.SubprocessFlags.STDERR_PIPE,
|
|
});
|
|
subprocess.init(null);
|
|
subprocess.wait_async(null, (sourceObject, res) => {
|
|
let [, stdout, stderr] = sourceObject.communicate_utf8(null, null);
|
|
let df_line = stdout.match(/.+/g)[1];
|
|
let df_values = df_line.split(/\s+/); // split by space
|
|
// values for partition space
|
|
var hdd_tot;
|
|
var hdd_fre;
|
|
if (this.data_prefix_hdd == 1) {
|
|
// decimal prefix
|
|
hdd_tot = parseFloat(df_values[1]) * 1024 / GB_TO_B;
|
|
hdd_fre = parseFloat(df_values[3]) * 1024 / GB_TO_B;
|
|
} else {
|
|
// binary prefix
|
|
hdd_tot = parseFloat(df_values[1]) / GIB_TO_KIB;
|
|
hdd_fre = parseFloat(df_values[3]) / GIB_TO_KIB;
|
|
}
|
|
// get IO utilization of partition
|
|
let dev_fs = df_values[0];
|
|
let fs = dev_fs.split(/\/+/)[2];
|
|
let re = new RegExp(fs + '.+');
|
|
// https://stackoverflow.com/questions/4458183/how-the-util-of-iostat-is-computed
|
|
this.cpu_file.load_contents_async(null, (file, response) => {
|
|
let [cpu_success, cpu_contents, cpu_tag] = file.load_contents_finish(response);
|
|
if(!cpu_success) return;
|
|
let cpu_line = ByteArray.toString(cpu_contents).match(/cpu\s.+/)[0];
|
|
// get total CPU time
|
|
let cpu_values = cpu_line.split(/\s+/);
|
|
let hdd_cpu_tot = 0;
|
|
for (let i = 1; i<10; i++){
|
|
hdd_cpu_tot += parseFloat(cpu_values[i])
|
|
}
|
|
this.hdd_file.load_contents_async(null, (file, response) => {
|
|
let [hdd_success, hdd_contents, hdd_tag] = file.load_contents_finish(response);
|
|
if(!hdd_success) return;
|
|
let hdd_line = ByteArray.toString(hdd_contents).match(re)[0];
|
|
// get total of IO times
|
|
let hdd_hdd_tot = hdd_line.split(/\s+/)[10];
|
|
// update HDD use
|
|
let hdd_use = 100 * (hdd_hdd_tot - this.hdd_hdd_tot) / (hdd_cpu_tot - this.hdd_cpu_tot);
|
|
// update global values
|
|
this.hdd_cpu_tot = hdd_cpu_tot;
|
|
this.hdd_hdd_tot = hdd_hdd_tot;
|
|
this.hdd_values = [fs, hdd_use, hdd_tot, hdd_fre];
|
|
GLib.free(hdd_contents);
|
|
});
|
|
GLib.free(cpu_contents);
|
|
});
|
|
});
|
|
},
|
|
|
|
network_file: Gio.file_new_for_path('/proc/net/dev'),
|
|
get_network_values: function() {
|
|
// Enhanced error handling for network monitoring
|
|
try {
|
|
this.network_file.load_contents_async(null, (file, response) => {
|
|
try {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if (!success) {
|
|
global.log('Network monitoring: Failed to read /proc/net/dev');
|
|
return;
|
|
}
|
|
|
|
let lines = ByteArray.toString(contents).split('\n');
|
|
let total_rx = 0;
|
|
let total_tx = 0;
|
|
|
|
// Skip header lines (first 2 lines)
|
|
for (let i = 2; i < lines.length; i++) {
|
|
let line = lines[i].trim();
|
|
if (line === '') continue;
|
|
|
|
let parts = line.split(/[:\s]+/);
|
|
if (parts.length < 11) continue;
|
|
|
|
let interface_name = parts[0];
|
|
|
|
// Skip loopback interface
|
|
if (interface_name === 'lo') continue;
|
|
|
|
// If specific interface is configured, only monitor that one
|
|
if (this.network_interface && this.network_interface.trim() !== '') {
|
|
if (interface_name !== this.network_interface.trim()) continue;
|
|
}
|
|
|
|
// Parse RX and TX bytes (columns 1 and 9 after interface name)
|
|
let rx_bytes = parseInt(parts[1]) || 0;
|
|
let tx_bytes = parseInt(parts[9]) || 0;
|
|
|
|
// Validate parsed values
|
|
if (isNaN(rx_bytes) || isNaN(tx_bytes) || rx_bytes < 0 || tx_bytes < 0) {
|
|
continue;
|
|
}
|
|
|
|
total_rx += rx_bytes;
|
|
total_tx += tx_bytes;
|
|
}
|
|
|
|
// Calculate deltas (bytes per second) with enhanced validation
|
|
if (this.last_net_rx > 0 && this.last_net_tx > 0) {
|
|
// Check for counter rollover (unlikely but possible)
|
|
let rx_delta = total_rx >= this.last_net_rx ?
|
|
(total_rx - this.last_net_rx) / this.refresh_interval : 0;
|
|
let tx_delta = total_tx >= this.last_net_tx ?
|
|
(total_tx - this.last_net_tx) / this.refresh_interval : 0;
|
|
|
|
// Sanity check for unrealistic speeds (> 10 GiB/s)
|
|
const MAX_REASONABLE_SPEED = 10 * 1024 * 1024 * 1024; // 10 GiB/s
|
|
if (rx_delta > MAX_REASONABLE_SPEED) rx_delta = 0;
|
|
if (tx_delta > MAX_REASONABLE_SPEED) tx_delta = 0;
|
|
|
|
// Store current speeds with validation
|
|
this.net_down_speed = Math.max(0, rx_delta);
|
|
this.net_up_speed = Math.max(0, tx_delta);
|
|
|
|
// Ensure arrays are initialized
|
|
if (!this.net_down_values || !this.net_up_values) {
|
|
this.net_down_values = new Array(this.n_values).fill(0.0);
|
|
this.net_up_values = new Array(this.n_values).fill(0.0);
|
|
}
|
|
|
|
// Add to time series arrays
|
|
this.net_down_values.push(this.net_down_speed);
|
|
this.net_up_values.push(this.net_up_speed);
|
|
this.net_down_values.shift();
|
|
this.net_up_values.shift();
|
|
}
|
|
|
|
// Update last values for next calculation
|
|
this.last_net_rx = total_rx;
|
|
this.last_net_tx = total_tx;
|
|
|
|
GLib.free(contents);
|
|
|
|
} catch (error) {
|
|
global.log('Network monitoring error: ' + error.toString());
|
|
}
|
|
});
|
|
} catch (error) {
|
|
global.log('Network monitoring file access error: ' + error.toString());
|
|
}
|
|
},
|
|
|
|
parse_rgba_settings: function(color_str) {
|
|
let colors = color_str.match(/\((.*?)\)/)[1].split(","); // get contents inside brackets: "rgb(...)"
|
|
let r = parseInt(colors[0])/255;
|
|
let g = parseInt(colors[1])/255;
|
|
let b = parseInt(colors[2])/255;
|
|
let a = 1;
|
|
if (colors.length > 3) a = colors[3];
|
|
return [r, g, b, a];
|
|
},
|
|
|
|
get_nvidia_gpu_use: function() {
|
|
let subprocess
|
|
try {
|
|
subprocess = Gio.Subprocess.new(
|
|
['/usr/bin/nvidia-smi', '--query-gpu=utilization.gpu', '--format=csv', '--id='+ this.gpu_id],
|
|
Gio.SubprocessFlags.STDOUT_PIPE|Gio.SubprocessFlags.STDERR_PIPE
|
|
);
|
|
} catch (err) {
|
|
return;
|
|
}
|
|
subprocess.communicate_utf8_async(null, null, (subprocess, result) => {
|
|
let [, stdout, stderr] = subprocess.communicate_utf8_finish(result);
|
|
this.gpu_use = parseInt(stdout.match(/[^\r\n]+/g)[1]); // parse integer in second line
|
|
});
|
|
},
|
|
|
|
get_nvidia_gpu_mem: function() {
|
|
let subprocess
|
|
try {
|
|
subprocess = Gio.Subprocess.new(
|
|
['/usr/bin/nvidia-smi', '--query-gpu=memory.total,memory.used', '--format=csv', '--id='+ this.gpu_id],
|
|
Gio.SubprocessFlags.STDOUT_PIPE|Gio.SubprocessFlags.STDERR_PIPE
|
|
);
|
|
} catch {
|
|
return;
|
|
}
|
|
subprocess.communicate_utf8_async(null, null, (subprocess, result) => {
|
|
let [, stdout, stderr] = subprocess.communicate_utf8_finish(result);
|
|
let fslines = stdout.split(/\r?\n/); // Line0:Headers Line1:Values
|
|
let items = fslines[1].split(','); // Values are comma-separated
|
|
let mem_tot
|
|
let mem_usd
|
|
if (this.data_prefix_gpumem == 1) {
|
|
// decimal prefix
|
|
mem_tot = parseInt(items[0]) * 1024 * 1024 / GB_TO_B;
|
|
mem_usd = parseInt(items[1]) * 1024 * 1024 / GB_TO_B;
|
|
} else {
|
|
// binary prefix
|
|
mem_tot = parseInt(items[0]) / GIB_TO_MIB;
|
|
mem_usd = parseInt(items[1]) / GIB_TO_MIB;
|
|
}
|
|
this.gpu_mem[0] = mem_tot;
|
|
this.gpu_mem[1] = mem_usd;
|
|
});
|
|
},
|
|
|
|
get_amdgpu_gpu_use: function() {
|
|
// Sysfs directory with files related to the chosen gpu
|
|
let gpu_dir = "/sys/class/drm/card" + this.gpu_id + "/device/";
|
|
|
|
// File gpu_busy_percent contains the percentage of time that the gpu is busy
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// expresed as an integer number from 0 to 100
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Gio.File.new_for_path(gpu_dir + "gpu_busy_percent").load_contents_async(null, (file, response) => {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if(success) {
|
|
this.gpu_use = parseInt(ByteArray.toString(contents));
|
|
}
|
|
GLib.free(contents);
|
|
});
|
|
},
|
|
|
|
get_amdgpu_gpu_mem: function() {
|
|
// Sysfs directory with files related to the chosen gpu
|
|
let gpu_dir = "/sys/class/drm/card" + this.gpu_id + "/device/";
|
|
|
|
// File mem_info_vram_total contains the total amount of gpu VRAM in bytes
|
|
Gio.File.new_for_path(gpu_dir + "mem_info_vram_total").load_contents_async(null, (file, response) => {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if(success) {
|
|
let mem_tot = parseInt(ByteArray.toString(contents));
|
|
if (this.data_prefix_gpumem == 1) {
|
|
this.gpu_mem[0] = mem_tot / GB_TO_B;
|
|
} else {
|
|
this.gpu_mem[0] = mem_tot / 1024 / 1024 / GIB_TO_MIB;
|
|
}
|
|
}
|
|
GLib.free(contents);
|
|
});
|
|
|
|
// File mem_info_vram_used contains the used amount of gpu VRAM in bytes
|
|
Gio.File.new_for_path(gpu_dir + "mem_info_vram_used").load_contents_async(null, (file, response) => {
|
|
let [success, contents, tag] = file.load_contents_finish(response);
|
|
if(success) {
|
|
let mem_usd = parseInt(ByteArray.toString(contents));
|
|
if (this.data_prefix_gpumem == 1) {
|
|
this.gpu_mem[1] = mem_usd / GB_TO_B;
|
|
} else {
|
|
this.gpu_mem[1] = mem_usd / 1024 / 1024 / GIB_TO_MIB;
|
|
}
|
|
}
|
|
GLib.free(contents);
|
|
});
|
|
}
|
|
|
|
};
|