mirror of
https://github.com/saphid/frame-control.git
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Mac in the headset: measure every frame, adapt to the network, separate windows
- Per-frame timing on the Mac's clock (capture, encode, network, decode, draw), viewer clock sync and reports, input echo, /stats and a HUD. - scripts/macview-bench.py: repeatable runs on the real Frame, a shaping relay (no sudo), interleaved A/B between agent settings; results in bench/results/. - Adaptive controller: ack-based send gate with jitter-aware slack, AIMD bitrate that knows when a stream is app-limited, fps then size tiers. On a 50->3->50 Mbit/s step, scroll p95 went from 4.7 s to 72 ms; no cost on a clean link. - Separate mode: real AppKit event loop (HiDPI and NSScreen now work), cropped capture for fixed-size windows, windows kept on their display, graceful quit restores windows; stop/start races fixed. - Encoder timeline clamp (no oversized frame after a pause). - Frame Control shows each live stream's fps, delay, bitrate and tier. Reviewed by GPT-6 Astra xhigh (read-only), 7 rounds; findings fixed. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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@@ -0,0 +1,24 @@
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<!doctype html>
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<!-- Control experiment, run on the Frame itself: how often does Chromium on
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gamescope put a canvas animation on screen, with no network or decoding
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involved? Draws every animation frame for ?s= seconds and writes the
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frame-gap histogram per second into the title, where xprop can read it. -->
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<html><head><meta charset="utf-8"><title>fmv-present</title></head>
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<body style="margin:0;background:#000"><canvas id="c" width="1280" height="720" style="width:100%;height:100%"></canvas>
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<script>
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const q = new URLSearchParams(location.search), secs = +q.get("s") || 15, tag = q.get("tag") || "";
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const ctx = document.getElementById("c").getContext("2d", { alpha: false, desynchronized: true });
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const perSec = []; let t0 = 0, last = 0, n = 0, gaps = [];
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function frame(t) {
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if (!t0) t0 = last = t;
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ctx.fillStyle = "#123"; ctx.fillRect(0, 0, 1280, 720);
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ctx.fillStyle = "#fff"; ctx.fillRect((n * 21) % 1280, 0, 20, 720); n++;
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const s = Math.floor((t - t0) / 1000);
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(perSec[s] = perSec[s] || []).push(t - last); last = t;
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if (t - t0 < secs * 1000) return requestAnimationFrame(frame);
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const out = perSec.map(g => g.length).join(",");
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document.title = `[${tag}] done fps/s=${out}`;
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}
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document.title = `[${tag}] running`;
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requestAnimationFrame(frame);
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</script></body></html>
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@@ -0,0 +1,32 @@
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<!doctype html>
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<!-- Benchmark content: a long page of text that scrolls itself at a steady
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speed, so every frame changes the way reading a real page does. -->
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<html lang="en"><head><meta charset="utf-8"><title>fmv-bench scroll</title>
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<style>
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body { font: 17px/1.55 -apple-system, "Helvetica Neue", sans-serif; margin: 0 auto; max-width: 900px; padding: 24px; color: #1d1d1f; background: #fff; }
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h2 { font-size: 22px; margin: 28px 0 8px; } code { background: #f2f2f5; padding: 1px 4px; border-radius: 3px; }
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</style></head><body><div id="doc"></div>
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<script>
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const words = "latency frame panel stream encoder decoder network display pixel window capture budget quality motion text sharp adaptive controller queue socket clock".split(" ");
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let seed = 7; const rnd = () => (seed = (seed * 16807) % 2147483647) / 2147483647;
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let html = "";
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for (let s = 0; s < 120; s++) {
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html += `<h2>Section ${s + 1}: ${words[s % words.length]} and ${words[(s * 7) % words.length]}</h2>`;
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for (let p = 0; p < 4; p++) {
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let para = [];
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for (let w = 0; w < 70; w++) para.push(rnd() < 0.05 ? `<code>${words[Math.floor(rnd() * words.length)]}()</code>` : words[Math.floor(rnd() * words.length)]);
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html += `<p>${para.join(" ")}.</p>`;
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}
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}
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document.getElementById("doc").innerHTML = html;
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// 240 points a second, whatever the display's refresh rate.
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// The title carries the page's own frame rate, so the source's rate is known.
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let last = performance.now(), frames = 0, since = last;
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function step(now) {
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const dy = (now - last) * 0.24; last = now;
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if (++frames && now - since >= 1000) { document.title = `fmv-bench scroll ${frames} fps`; frames = 0; since = now; }
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if (window.scrollY + innerHeight >= document.body.scrollHeight - 2) window.scrollTo(0, 0); else window.scrollBy(0, dy);
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requestAnimationFrame(step);
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}
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requestAnimationFrame(step);
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</script></body></html>
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@@ -0,0 +1,9 @@
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<!doctype html>
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<!-- Benchmark content: a plain text editor, focused, for typing tests. -->
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<html lang="en"><head><meta charset="utf-8"><title>fmv-bench type</title>
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<style>
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html, body { margin: 0; height: 100%; background: #fff; }
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textarea { box-sizing: border-box; width: 100%; height: 100%; border: 0; padding: 20px; outline: none; resize: none;
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font: 20px/1.5 ui-monospace, Menlo, monospace; color: #111; caret-color: transparent; } /* a blinking caret would pass for a reply to a key */
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</style></head><body><textarea id="t" autofocus spellcheck="false"></textarea>
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<script>document.getElementById("t").focus();</script></body></html>
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@@ -0,0 +1,984 @@
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{
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"label": "adapt-clean",
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"date": "2026-09-28T17:13:59",
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"commit": "a3c6e5c+dirty",
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"config": {
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"quality": "balanced",
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"mode": "separate",
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"net": "none",
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"delay_ms": 0,
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"buffer_ms": 250,
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"host": "frame",
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"ssh_opts": [],
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"encoder": "",
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"browser_flags": []
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},
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"frame_build": "20260925.6191901",
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"mac": "26.5.2",
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"headset": ":39.639829 [Info] - 0 - entering standby",
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"scenarios": [
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{
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},
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},
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"encode": {
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},
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"p99": 0.2,
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"n": 653
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},
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"network": {
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"p95": 7.0,
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"p99": 12.0,
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},
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"decode": {
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},
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},
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},
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}
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},
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"size": "960x540",
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"captured": 1336,
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"n": 40
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},
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"input_shown_ms": {
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"p95": 62.3,
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"p99": 63.9,
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"n": 40
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},
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"input_parts_ms": {
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"p99": 36.1,
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"n": 40
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},
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"mac": {
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"p95": 28.2,
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"p99": 32.4,
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"n": 40
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},
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"back": {
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}
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},
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"inputs": {
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"seen": 40
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},
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"timeline": [
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{
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"content_p95": 27.1,
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"bitrate": 300000,
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"tier": 4,
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"w": 960,
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"net": null
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},
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{
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"t": 1,
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"fps": 31,
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"tier": 4,
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"net": null
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{
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{
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{
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||||
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||||
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||||
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||||
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||||
{
|
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||||
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||||
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|
||||
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|
||||
"w": 960,
|
||||
"net": null
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||||
},
|
||||
{
|
||||
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||||
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{
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{
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"t": 20,
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"bitrate": 300000,
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"tier": 4,
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}
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],
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||||
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||||
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|
||||
"grades": {
|
||||
"content_p50": "local",
|
||||
"content_p95": "local",
|
||||
"input_p50": "local",
|
||||
"input_p95": "local",
|
||||
"fps": "bad",
|
||||
"late_pct": "bad",
|
||||
"stall_max": "acceptable"
|
||||
},
|
||||
"source_fps": 64.5,
|
||||
"cpu": {
|
||||
"mac_agent_pct": 11.3,
|
||||
"frame_viewer_pct": 35.9,
|
||||
"frame_tailscaled_pct": 3.5,
|
||||
"frame_sshd_pct": 0.6,
|
||||
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|
||||
"frame_total_pct": 16.1
|
||||
},
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||||
{
|
||||
"t": 12,
|
||||
"fps": 1,
|
||||
"mbps": 0.02,
|
||||
"content_p50": -1.2,
|
||||
"content_p95": -1.2,
|
||||
"bitrate": 842857,
|
||||
"tier": 4,
|
||||
"w": 960,
|
||||
"net": null
|
||||
},
|
||||
{
|
||||
"t": 14,
|
||||
"fps": 1,
|
||||
"mbps": 0.02,
|
||||
"content_p50": 14.4,
|
||||
"content_p95": 14.4,
|
||||
"bitrate": 2091896,
|
||||
"tier": 4,
|
||||
"w": 960,
|
||||
"net": null
|
||||
}
|
||||
],
|
||||
"adapt": [],
|
||||
"content_p50": 12.6,
|
||||
"content_p95": 41.0,
|
||||
"input_p50": 41.3,
|
||||
"input_p95": 60.3,
|
||||
"grades": {
|
||||
"content_p50": "local",
|
||||
"content_p95": "acceptable",
|
||||
"input_p50": "local",
|
||||
"input_p95": "local"
|
||||
},
|
||||
"source_fps": 5.4,
|
||||
"cpu": {
|
||||
"mac_agent_pct": 1.2,
|
||||
"frame_viewer_pct": 5.0,
|
||||
"frame_tailscaled_pct": 1.5,
|
||||
"frame_sshd_pct": 0.2,
|
||||
"frame_gamescope_pct": 4.7,
|
||||
"frame_total_pct": 8.5
|
||||
},
|
||||
"viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 140 Hz",
|
||||
"show_s": 5.12,
|
||||
"panel": "valve.steam.desktopgame.2001910179",
|
||||
"src": "separate:9510"
|
||||
}
|
||||
]
|
||||
}
|
||||
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Load diff
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Load diff
Reference in new issue
Block a user