Files
MultiRoombaRover/perf/live-root-runtime-audit.mjs

254 lines
10 KiB
JavaScript

import fs from 'node:fs/promises';
import path from 'node:path';
import { chromium } from 'playwright';
const url = process.argv[2] || 'https://rover.otter.land/';
const outDir = process.argv[3] || path.resolve('perf/results');
const cpuThrottle = Number(process.env.CPU_THROTTLE || 6);
const viewport = (process.env.VIEWPORT || '390x844').split('x').map((part) => Number(part));
const isMobile = process.env.MOBILE !== '0';
const sampleMs = Number(process.env.SAMPLE_MS || 45000);
const runId = `${new Date().toISOString().replace(/[:.]/g, '-')}-root-runtime`;
const runDir = path.join(outDir, runId);
const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
function percentile(values, p) {
if (!values.length) return 0;
const sorted = [...values].sort((a, b) => a - b);
return sorted[Math.min(sorted.length - 1, Math.floor(sorted.length * p))];
}
async function main() {
await fs.mkdir(runDir, { recursive: true });
const browser = await chromium.launch({ headless: true });
const context = await browser.newContext({
viewport: { width: viewport[0] || 390, height: viewport[1] || 844 },
deviceScaleFactor: isMobile ? 3 : 1,
isMobile,
hasTouch: isMobile,
ignoreHTTPSErrors: true,
});
await context.addInitScript(() => {
const data = {
startedAt: performance.now(),
listeners: new Map(),
timers: new Map(),
timeouts: 0,
intervals: 0,
intervalFires: 0,
timeoutFires: 0,
webSocketMessages: [],
webSocketCounts: new Map(),
webSocketBytesByEvent: new Map(),
mutations: [],
mutationTargets: new Map(),
frames: [],
longTasks: [],
consoleErrors: [],
};
function localPercentile(values, p) {
if (!values.length) return 0;
const sorted = [...values].sort((a, b) => a - b);
return sorted[Math.min(sorted.length - 1, Math.floor(sorted.length * p))];
}
function targetName(target) {
if (target === window) return 'window';
if (target === document) return 'document';
if (target?.nodeType === Node.ELEMENT_NODE) {
const tag = target.tagName?.toLowerCase() || 'element';
const id = target.id ? `#${target.id}` : '';
const classes = String(target.className || '').split(/\s+/).filter(Boolean).slice(0, 2).join('.');
return `${tag}${id}${classes ? `.${classes}` : ''}`;
}
return target?.constructor?.name || String(target);
}
function listenerKey(target, type, kind) {
return `${kind}:${targetName(target)}:${String(type)}`;
}
const originalAdd = EventTarget.prototype.addEventListener;
const originalRemove = EventTarget.prototype.removeEventListener;
EventTarget.prototype.addEventListener = function add(type, listener, options) {
const key = listenerKey(this, type, 'add');
data.listeners.set(key, (data.listeners.get(key) || 0) + 1);
return originalAdd.call(this, type, listener, options);
};
EventTarget.prototype.removeEventListener = function remove(type, listener, options) {
const key = listenerKey(this, type, 'remove');
data.listeners.set(key, (data.listeners.get(key) || 0) + 1);
return originalRemove.call(this, type, listener, options);
};
const originalSetInterval = window.setInterval;
const originalSetTimeout = window.setTimeout;
window.setInterval = function patchedSetInterval(fn, delay, ...args) {
data.intervals += 1;
const key = `interval:${delay}`;
data.timers.set(key, (data.timers.get(key) || 0) + 1);
return originalSetInterval.call(this, (...innerArgs) => {
data.intervalFires += 1;
return typeof fn === 'function' ? fn(...innerArgs) : eval(fn);
}, delay, ...args);
};
window.setTimeout = function patchedSetTimeout(fn, delay, ...args) {
data.timeouts += 1;
const key = `timeout:${delay}`;
data.timers.set(key, (data.timers.get(key) || 0) + 1);
return originalSetTimeout.call(this, (...innerArgs) => {
data.timeoutFires += 1;
return typeof fn === 'function' ? fn(...innerArgs) : eval(fn);
}, delay, ...args);
};
const OriginalWebSocket = window.WebSocket;
if (OriginalWebSocket) {
window.WebSocket = function PatchedWebSocket(...args) {
const ws = new OriginalWebSocket(...args);
ws.addEventListener('message', (event) => {
const raw = event.data;
const text = typeof raw === 'string' ? raw : '';
const match = text.slice(0, 120).match(/\["([^"\]]+)/);
const eventName = match?.[1] || text.slice(0, 12);
data.webSocketCounts.set(eventName, (data.webSocketCounts.get(eventName) || 0) + 1);
data.webSocketBytesByEvent.set(
eventName,
(data.webSocketBytesByEvent.get(eventName) || 0) + (typeof raw === 'string' ? raw.length : raw?.byteLength || raw?.size || 0),
);
data.webSocketMessages.push({
at: Math.round(performance.now()),
size: typeof raw === 'string' ? raw.length : raw?.byteLength || raw?.size || 0,
prefix: text.slice(0, 80),
});
if (data.webSocketMessages.length > 1000) data.webSocketMessages.shift();
});
return ws;
};
window.WebSocket.prototype = OriginalWebSocket.prototype;
Object.assign(window.WebSocket, OriginalWebSocket);
}
try {
new PerformanceObserver((list) => {
for (const entry of list.getEntries()) {
data.longTasks.push({ startTime: entry.startTime, duration: entry.duration, name: entry.name });
}
}).observe({ type: 'longtask', buffered: true });
} catch {}
let lastFrame = performance.now();
requestAnimationFrame(function frame(now) {
data.frames.push(now - lastFrame);
lastFrame = now;
requestAnimationFrame(frame);
});
new MutationObserver((records) => {
let added = 0;
let removed = 0;
let attrs = 0;
let text = 0;
for (const record of records) {
added += record.addedNodes?.length || 0;
removed += record.removedNodes?.length || 0;
if (record.type === 'attributes') attrs += 1;
if (record.type === 'characterData') text += 1;
if (record.type === 'attributes' || record.type === 'characterData') {
const key = `${targetName(record.target)}:${record.type}:${record.attributeName || ''}`;
data.mutationTargets.set(key, (data.mutationTargets.get(key) || 0) + 1);
}
}
data.mutations.push({ at: Math.round(performance.now()), records: records.length, added, removed, attrs, text });
if (data.mutations.length > 1000) data.mutations.shift();
}).observe(document, {
subtree: true,
childList: true,
attributes: true,
characterData: true,
});
const originalConsoleError = console.error;
console.error = (...args) => {
data.consoleErrors.push(args.map((arg) => String(arg)).join(' ').slice(0, 500));
return originalConsoleError.apply(console, args);
};
window.__rootAudit = {
snapshot() {
const frames = data.frames.slice(5);
const messages = data.webSocketMessages;
const socketBuckets = new Map(
[...data.webSocketCounts.entries()].map(([event, count]) => [
event,
{ event, count, bytes: data.webSocketBytesByEvent.get(event) || 0 },
]),
);
return {
elapsedMs: performance.now() - data.startedAt,
listeners: [...data.listeners.entries()].map(([key, count]) => ({ key, count })).sort((a, b) => b.count - a.count).slice(0, 40),
timers: [...data.timers.entries()].map(([key, count]) => ({ key, count })).sort((a, b) => b.count - a.count).slice(0, 40),
timeouts: data.timeouts,
intervals: data.intervals,
timeoutFires: data.timeoutFires,
intervalFires: data.intervalFires,
webSocketMessageCount: messages.length,
webSocketBytes: messages.reduce((sum, message) => sum + message.size, 0),
webSocketEvents: [...socketBuckets.values()].sort((a, b) => b.count - a.count),
mutationsTotal: data.mutations.reduce((acc, row) => ({
records: acc.records + row.records,
added: acc.added + row.added,
removed: acc.removed + row.removed,
attrs: acc.attrs + row.attrs,
text: acc.text + row.text,
}), { records: 0, added: 0, removed: 0, attrs: 0, text: 0 }),
mutationTargets: [...data.mutationTargets.entries()]
.map(([key, count]) => ({ key, count }))
.sort((a, b) => b.count - a.count)
.slice(0, 50),
mutationBursts: [...data.mutations].sort((a, b) => b.records - a.records).slice(0, 20),
frames: {
count: frames.length,
average: frames.reduce((sum, value) => sum + value, 0) / frames.length,
p95: localPercentile(frames, 0.95),
p99: localPercentile(frames, 0.99),
},
longTasks: {
count: data.longTasks.length,
top: [...data.longTasks].sort((a, b) => b.duration - a.duration).slice(0, 20),
},
consoleErrors: data.consoleErrors,
};
},
};
});
const page = await context.newPage();
const cdp = await context.newCDPSession(page);
await cdp.send('Performance.enable');
if (cpuThrottle > 1) await cdp.send('Emulation.setCPUThrottlingRate', { rate: cpuThrottle });
await page.goto(url, { waitUntil: 'domcontentloaded', timeout: 90000 });
await page.waitForLoadState('load', { timeout: 90000 }).catch(() => {});
await sleep(sampleMs);
const metrics = await cdp.send('Performance.getMetrics');
const snapshot = await page.evaluate(() => window.__rootAudit.snapshot());
const report = {
url,
runDir,
environment: { cpuThrottle, viewport: { width: viewport[0] || 390, height: viewport[1] || 844 }, isMobile, sampleMs },
metrics: Object.fromEntries(metrics.metrics.map((metric) => [metric.name, metric.value])),
snapshot,
};
await page.screenshot({ path: path.join(runDir, 'root-runtime.png'), fullPage: true });
await fs.writeFile(path.join(runDir, 'root-runtime-report.json'), JSON.stringify(report, null, 2));
console.log(JSON.stringify(report, null, 2));
await browser.close();
}
main().catch((error) => {
console.error(error);
process.exitCode = 1;
});