Source performance_monitor monitor.nas
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# GUI displaying FG system performance statistics
# performance_monitor.dialog.show() -- displays pilot list dialog
var PERFMON_RUNNING = 0;
var dialog = {
init: func(x = nil, y = nil) {
me.x = x;
me.y = y;
me.bg = [0, 0, 0, 0.3]; # background color
me.fg = [[0.9, 0.9, 0.2, 1], [1, 1, 1, 1]]; # alternative active
# "private"
var font = { name: getprop("/sim/gui/selected-style/fonts/mp-list/name") or "FIXED_8x13",
size: getprop("/sim/gui/selected-style/fonts/mp-list/size") or 20,
slant: getprop("/sim/gui/selected-style/fonts/mp-list/slant") or 0,
};
me.header = [" submodule", "cumulative/ms", "total/ms", "max/ms", "min/ms", "mean/ms", "stddev/ms", "iterations" ];
me.columns = [
{ type: "text", property: "name", format: " %s", label: "------------------", halign: "fill", font: font },
{ type: "text", property: "cumulative-ms", format: "%9.2f", label: "-------------", halign: "fill", font: font },
{ type: "text", property: "total-ms", format: "%6.2f", label: "----------", halign: "fill", font: font },
{ type: "text", property: "max-ms", format: "%5.2f", label: "---------", halign: "fill", font: font },
{ type: "text", property: "min-ms", format: "%5.2f", label: "---------", halign: "fill", font: font },
{ type: "text", property: "mean-ms", format: "%5.2f", label: "---------", halign: "fill", font: font },
{ type: "text", property: "stddev-ms", format: "%5.2f", label: "---------", halign: "fill", font: font },
{ type: "text", property: "count", format: "%3d", label: "------", halign: "fill", font: font },
];
me.name = "performance-monitor";
me.dialog = nil;
me.loopid = 0;
me.listeners=[];
append(me.listeners, setlistener("/sim/startup/xsize", func me._redraw_()));
append(me.listeners, setlistener("/sim/startup/ysize", func me._redraw_()));
append(me.listeners, setlistener("/sim/signals/reinit-gui", func me._redraw_()));
},
create: func {
if (me.dialog != nil)
me.close();
setprop("/sim/performance-monitor/enabled",1);
me.dialog = gui.dialog[me.name] = gui.Widget.new();
me.dialog.set("name", me.name);
me.dialog.set("dialog-name", me.name);
if (me.x != nil)
me.dialog.set("x", me.x);
if (me.y != nil)
me.dialog.set("y", me.y);
me.dialog.set("layout", "vbox");
me.dialog.set("default-padding", 0);
me.dialog.setColor(me.bg[0], me.bg[1], me.bg[2], me.bg[3]);
var titlebar = me.dialog.addChild("group");
titlebar.set("layout", "hbox");
var w = titlebar.addChild("button");
w.node.setValues({ "pref-width": 32, "pref-height": 16, legend: "sort", default: 0 });
w.setBinding("nasal", "performance_monitor.dialog._redraw_()");
titlebar.addChild("empty").set("stretch", 1);
titlebar.addChild("text").set("label", "worst/average frame rate: ");
titlebar.addChild("text").node.setValues({ live: 1, property: "/sim/frame-rate-worst", label: "--" });
titlebar.addChild("text").set("label", "/");
titlebar.addChild("text").node.setValues({ live: 1, property: "/sim/frame-rate", label: "-- fps,", format: "%2d fps," });
titlebar.addChild("text").set("label", " worst frame delay: ");
titlebar.addChild("text").node.setValues({ live: 1, property: "/sim/frame-latency-max-ms", label: "----.-", format: "%4d ms" });
titlebar.addChild("empty").set("stretch", 1);
var w = titlebar.addChild("button");
w.node.setValues({ "pref-width": 16, "pref-height": 16, legend: "", default: 0 });
# "Esc" causes dialog-close
w.set("key", "Esc");
w.setBinding("nasal", "performance_monitor.dialog.del()");
me.dialog.addChild("hrule");
var content = me.dialog.addChild("group");
content.set("layout", "table");
content.set("default-padding", 0);
var modulelist = props.globals.getNode( "/sim/performance-monitor/subsystems", 1 ).getChildren();
var DataReady = size(modulelist) > 0;
if (!DataReady)
{
content.addChild("text").set("label", "wait...");
}
else
{
var row = 0;
var col = 0;
foreach (var h; me.header) {
var w = content.addChild("text");
var l = typeof(h) == "func" ? h() : h;
w.node.setValues({ "label": l, "row": row, "col": col, halign: me.columns[col].halign });
w = content.addChild("hrule");
w.node.setValues({ "row": row + 1, "col": col });
col += 1;
}
row += 2;
var odd = 1;
modulelist = sort (modulelist, func (a,b) a.getChild("cumulative-ms",0,1).getValue() < b.getChild("cumulative-ms",0,1).getValue());
foreach (var mp; modulelist) {
var col = 0;
var color = me.fg[odd = !odd];
foreach (var column; me.columns) {
var p = column.property;
var w = nil;
if (column.type == "text") {
w = content.addChild("text");
w.node.setValues(column);
}
w.setColor(color[0], color[1], color[2], color[3]);
w.node.setValues({ row: row, col: col, live: 1, property: mp.getPath() ~ "/" ~ p });
col += 1;
}
row += 1;
}
}
if (me.x != nil)
me.dialog.set("x", me.x);
if (me.y != nil)
me.dialog.set("y", me.y);
fgcommand("dialog-new", me.dialog.prop());
fgcommand("dialog-show", me.dialog.prop());
if (!DataReady)
settimer(func me.update(me.loopid+=1), 1, 1);
},
update: func(id) {
id == me.loopid or return;
if (!PERFMON_RUNNING)
return;
me._redraw_();
},
_redraw_: func {
if (me.dialog != nil) {
me.close();
me.create();
}
},
close: func {
if (me.dialog != nil) {
me.x = me.dialog.prop().getNode("x").getValue();
me.y = me.dialog.prop().getNode("y").getValue();
}
fgcommand("dialog-close", me.dialog.prop());
setprop("/sim/performance-monitor/enabled",0);
},
del: func {
PERFMON_RUNNING = 0;
me.close();
foreach (var l; me.listeners)
removelistener(l);
delete(gui.dialog, me.name);
},
show: func {
if (!PERFMON_RUNNING) {
PERFMON_RUNNING = 1;
me.init(2, 20);
me.create();
}
},
toggle: func {
if (!PERFMON_RUNNING)
me.show();
else
me.del();
},
};