gnome-shell/js/perf/hwtest.js

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/* exported run, script_desktopShown, script_overviewShowStart,
script_overviewShowDone, script_applicationsShowStart,
script_applicationsShowDone, script_mainViewDrawStart,
script_mainViewDrawDone, script_overviewDrawStart,
script_overviewDrawDone, script_redrawTestStart,
script_redrawTestDone, script_collectTimings,
script_geditLaunch, script_geditFirstFrame,
clutter_stagePaintStart, clutter_paintCompletedTimestamp */
/* eslint camelcase: ["error", { properties: "never", allow: ["^script_", "^clutter"] }] */
const { Clutter, Gio, Shell } = imports.gi;
const Main = imports.ui.main;
const Scripting = imports.ui.scripting;
var METRICS = {
timeToDesktop:
{ description: "Time from starting graphical.target to desktop showing",
units: "us" },
overviewShowTime:
{ description: "Time to switch to overview view, first time",
units: "us" },
applicationsShowTime:
{ description: "Time to switch to applications view, first time",
units: "us" },
mainViewRedrawTime:
{ description: "Time to redraw the main view, full screen",
units: "us" },
overviewRedrawTime:
{ description: "Time to redraw the overview, full screen, 5 windows",
units: "us" },
applicationRedrawTime:
{ description: "Time to redraw frame with a maximized application update",
units: "us" },
geditStartTime:
{ description: "Time from gedit launch to window drawn",
units: "us" },
};
function waitAndDraw(milliseconds) {
let cb;
let timeline = new Clutter.Timeline({ duration: milliseconds });
timeline.start();
timeline.connect('new-frame', (_timeline, _frame) => {
global.stage.queue_redraw();
});
timeline.connect('completed', () => {
timeline.stop();
if (cb)
cb();
});
return callback => (cb = callback);
}
function waitSignal(object, signal) {
let cb;
let id = object.connect(signal, () => {
object.disconnect(id);
if (cb)
cb();
});
return callback => (cb = callback);
}
function extractBootTimestamp() {
let sp = Gio.Subprocess.new(['journalctl', '-b',
'MESSAGE_ID=7d4958e842da4a758f6c1cdc7b36dcc5',
'UNIT=graphical.target',
'-o',
'json'],
Gio.SubprocessFlags.STDOUT_PIPE);
let result = null;
let datastream = Gio.DataInputStream.new(sp.get_stdout_pipe());
while (true) { // eslint-disable-line no-constant-condition
let [line, length_] = datastream.read_line_utf8(null);
if (line === null)
break;
let fields = JSON.parse(line);
result = Number(fields['__MONOTONIC_TIMESTAMP']);
}
datastream.close(null);
return result;
}
async function run() {
/* eslint-disable no-await-in-loop */
Scripting.defineScriptEvent("desktopShown", "Finished initial animation");
Scripting.defineScriptEvent("overviewShowStart", "Starting to show the overview");
Scripting.defineScriptEvent("overviewShowDone", "Overview finished showing");
Scripting.defineScriptEvent("applicationsShowStart", "Starting to switch to applications view");
Scripting.defineScriptEvent("applicationsShowDone", "Done switching to applications view");
Scripting.defineScriptEvent("mainViewDrawStart", "Drawing main view");
Scripting.defineScriptEvent("mainViewDrawDone", "Ending timing main view drawing");
Scripting.defineScriptEvent("overviewDrawStart", "Drawing overview");
Scripting.defineScriptEvent("overviewDrawDone", "Ending timing overview drawing");
Scripting.defineScriptEvent("redrawTestStart", "Drawing application window");
Scripting.defineScriptEvent("redrawTestDone", "Ending timing application window drawing");
Scripting.defineScriptEvent("collectTimings", "Accumulate frame timings from redraw tests");
Scripting.defineScriptEvent("geditLaunch", "gedit application launch");
Scripting.defineScriptEvent("geditFirstFrame", "first frame of gedit window drawn");
await Scripting.waitLeisure();
Scripting.scriptEvent('desktopShown');
let interfaceSettings = new Gio.Settings({
schema_id: 'org.gnome.desktop.interface',
});
interfaceSettings.set_boolean('enable-animations', false);
Scripting.scriptEvent('overviewShowStart');
Main.overview.show();
await Scripting.waitLeisure();
Scripting.scriptEvent('overviewShowDone');
await Scripting.sleep(1000);
Scripting.scriptEvent('applicationsShowStart');
// eslint-disable-next-line require-atomic-updates
Main.overview.dash.showAppsButton.checked = true;
await Scripting.waitLeisure();
Scripting.scriptEvent('applicationsShowDone');
await Scripting.sleep(1000);
Main.overview.hide();
await Scripting.waitLeisure();
// --------------------- //
// Tests of redraw speed //
// --------------------- //
global.frame_timestamps = true;
global.frame_finish_timestamp = true;
for (let k = 0; k < 5; k++)
await Scripting.createTestWindow({ maximized: true });
await Scripting.waitTestWindows();
await Scripting.sleep(1000);
Scripting.scriptEvent('mainViewDrawStart');
await waitAndDraw(1000);
Scripting.scriptEvent('mainViewDrawDone');
Main.overview.show();
Scripting.waitLeisure();
await Scripting.sleep(1500);
Scripting.scriptEvent('overviewDrawStart');
await waitAndDraw(1000);
Scripting.scriptEvent('overviewDrawDone');
await Scripting.destroyTestWindows();
Main.overview.hide();
await Scripting.createTestWindow({ maximized: true,
redraws: true });
await Scripting.waitTestWindows();
await Scripting.sleep(1000);
Scripting.scriptEvent('redrawTestStart');
await Scripting.sleep(1000);
Scripting.scriptEvent('redrawTestDone');
await Scripting.sleep(1000);
Scripting.scriptEvent('collectTimings');
await Scripting.destroyTestWindows();
global.frame_timestamps = false;
global.frame_finish_timestamp = false;
await Scripting.sleep(1000);
let appSys = Shell.AppSystem.get_default();
let app = appSys.lookup_app('org.gnome.gedit.desktop');
Scripting.scriptEvent('geditLaunch');
app.activate();
let windows = app.get_windows();
if (windows.length > 0)
throw new Error('gedit was already running');
while (windows.length == 0) {
await waitSignal(global.display, 'window-created');
windows = app.get_windows();
}
let actor = windows[0].get_compositor_private();
await waitSignal(actor, 'first-frame');
Scripting.scriptEvent('geditFirstFrame');
await Scripting.sleep(1000);
windows[0].delete(global.get_current_time());
await Scripting.sleep(1000);
interfaceSettings.set_boolean('enable-animations', true);
/* eslint-enable no-await-in-loop */
}
let overviewShowStart;
let applicationsShowStart;
let stagePaintStart;
let redrawTiming;
let redrawTimes = {};
let geditLaunchTime;
function script_desktopShown(time) {
let bootTimestamp = extractBootTimestamp();
METRICS.timeToDesktop.value = time - bootTimestamp;
}
function script_overviewShowStart(time) {
overviewShowStart = time;
}
function script_overviewShowDone(time) {
METRICS.overviewShowTime.value = time - overviewShowStart;
}
function script_applicationsShowStart(time) {
applicationsShowStart = time;
}
function script_applicationsShowDone(time) {
METRICS.applicationsShowTime.value = time - applicationsShowStart;
}
function script_mainViewDrawStart(_time) {
redrawTiming = 'mainView';
}
function script_mainViewDrawDone(_time) {
redrawTiming = null;
}
function script_overviewDrawStart(_time) {
redrawTiming = 'overview';
}
function script_overviewDrawDone(_time) {
redrawTiming = null;
}
function script_redrawTestStart(_time) {
redrawTiming = 'application';
}
function script_redrawTestDone(_time) {
redrawTiming = null;
}
function script_collectTimings(_time) {
for (let timing in redrawTimes) {
let times = redrawTimes[timing];
times.sort((a, b) => a - b);
let len = times.length;
let median;
if (len == 0)
median = -1;
else if (len % 2 == 1)
median = times[(len - 1) / 2];
else
median = Math.round((times[len / 2 - 1] + times[len / 2]) / 2);
METRICS[`${timing}RedrawTime`].value = median;
}
}
function script_geditLaunch(time) {
geditLaunchTime = time;
}
function script_geditFirstFrame(time) {
METRICS.geditStartTime.value = time - geditLaunchTime;
}
function clutter_stagePaintStart(time) {
stagePaintStart = time;
}
function clutter_paintCompletedTimestamp(time) {
if (redrawTiming != null && stagePaintStart != null) {
if (!(redrawTiming in redrawTimes))
redrawTimes[redrawTiming] = [];
redrawTimes[redrawTiming].push(time - stagePaintStart);
}
stagePaintStart = null;
}