File size: 7,483 Bytes
cdf34e1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | from __future__ import annotations
import json
import subprocess
import threading
import time
from http.server import SimpleHTTPRequestHandler, ThreadingHTTPServer
from pathlib import Path
ROOT = Path(__file__).resolve().parent
RESULTS = ROOT / ".work" / "results"
def process_rss() -> dict[str, dict[int, int]]:
output = subprocess.run(
["ps", "-axo", "pid=,rss=,command="],
check=True,
capture_output=True,
text=True,
).stdout
result: dict[str, dict[int, int]] = {"renderer": {}, "gpu": {}}
for line in output.splitlines():
pieces = line.strip().split(maxsplit=2)
if len(pieces) != 3:
continue
pid_text, rss_text, command = pieces
if "T3 Code (Alpha)" not in command:
continue
if "--type=renderer" in command and "Helper (Renderer)" in command:
result["renderer"][int(pid_text)] = int(rss_text) * 1024
elif "--type=gpu-process" in command and "user-data-dir=/Users/admin/Library/Application Support/t3code" in command:
result["gpu"][int(pid_text)] = int(rss_text) * 1024
return result
class ProcessSampler:
def __init__(self, run_id: str) -> None:
self.run_id = run_id
self.started_at = time.time()
self.phase = "startup"
self.samples: list[dict] = []
self.stop_event = threading.Event()
self.thread = threading.Thread(target=self._run, daemon=True)
self.thread.start()
def _run(self) -> None:
while not self.stop_event.is_set():
try:
self.samples.append(
{"time": time.time(), "phase": self.phase, **process_rss()}
)
except Exception as error: # diagnostic sampling must not break OCR
self.samples.append({"time": time.time(), "error": str(error)})
self.stop_event.wait(0.05)
def mark(self, phase: str) -> None:
self.phase = phase
def finish(self) -> dict:
self.stop_event.set()
self.thread.join(timeout=2)
usable = [sample for sample in self.samples if "renderer" in sample]
if not usable:
return {"samples": len(self.samples), "error": "no usable process samples"}
baseline = usable[0]
def summarize(kind: str) -> dict:
baseline_by_pid = baseline[kind]
peak_by_pid: dict[int, int] = {}
first_by_pid: dict[int, int] = dict(baseline_by_pid)
for sample in usable:
for pid, rss in sample[kind].items():
first_by_pid.setdefault(pid, rss)
peak_by_pid[pid] = max(peak_by_pid.get(pid, 0), rss)
deltas = {
pid: peak - first_by_pid.get(pid, peak)
for pid, peak in peak_by_pid.items()
}
selected_pid = max(deltas, key=deltas.get) if deltas else None
phases: dict[str, dict[str, int]] = {}
if selected_pid:
for sample in usable:
rss = sample[kind].get(selected_pid)
if rss is None:
continue
phase = sample.get("phase", "unknown")
phase_summary = phases.setdefault(
phase,
{"startBytes": rss, "endBytes": rss, "peakBytes": rss},
)
phase_summary["endBytes"] = rss
phase_summary["peakBytes"] = max(phase_summary["peakBytes"], rss)
for phase_summary in phases.values():
phase_summary["peakDeltaBytes"] = (
phase_summary["peakBytes"] - phase_summary["startBytes"]
)
return {
"selectedPid": selected_pid,
"baselineBytes": first_by_pid.get(selected_pid, 0) if selected_pid else 0,
"peakBytes": peak_by_pid.get(selected_pid, 0) if selected_pid else 0,
"peakDeltaBytes": deltas.get(selected_pid, 0) if selected_pid else 0,
"allPeakDeltas": deltas,
"phases": phases,
}
return {
"scope": "T3 renderer with largest RSS delta plus shared T3 GPU process",
"samples": len(usable),
"durationSeconds": time.time() - self.started_at,
"renderer": summarize("renderer"),
"gpu": summarize("gpu"),
}
active_sampler: ProcessSampler | None = None
sampler_lock = threading.Lock()
class Handler(SimpleHTTPRequestHandler):
def do_POST(self) -> None:
global active_sampler
length = int(self.headers.get("Content-Length", "0"))
if length <= 0 or length > 2_000_000:
self.send_error(400, "invalid request size")
return
payload = json.loads(self.rfile.read(length))
if self.path == "/benchmark-start":
run_id = str(payload.get("runId", ""))
if not run_id or "/" in run_id or ".." in run_id:
self.send_error(400, "invalid run id")
return
with sampler_lock:
if active_sampler:
active_sampler.finish()
active_sampler = ProcessSampler(run_id)
self.send_response(204)
self.end_headers()
return
if self.path == "/benchmark-mark":
run_id = str(payload.get("runId", ""))
phase = str(payload.get("phase", ""))
if not phase or len(phase) > 80:
self.send_error(400, "invalid benchmark phase")
return
with sampler_lock:
sampler = active_sampler
if not sampler or sampler.run_id != run_id:
self.send_error(409, "benchmark sampler mismatch")
return
sampler.mark(phase)
self.send_response(204)
self.end_headers()
return
if self.path == "/benchmark-result":
run_id = str(payload.get("runId", ""))
with sampler_lock:
sampler = active_sampler
active_sampler = None
if not sampler or sampler.run_id != run_id:
self.send_error(409, "benchmark sampler mismatch")
return
payload["processMemory"] = sampler.finish()
RESULTS.mkdir(parents=True, exist_ok=True)
destination = RESULTS / f"{run_id}.json"
destination.write_text(
json.dumps(payload, ensure_ascii=False, indent=2) + "\n",
encoding="utf-8",
)
response = json.dumps(payload["processMemory"]).encode()
self.send_response(200)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(response)))
self.end_headers()
self.wfile.write(response)
return
self.send_error(404)
def end_headers(self) -> None:
self.send_header("Cross-Origin-Opener-Policy", "same-origin")
self.send_header("Cross-Origin-Embedder-Policy", "require-corp")
self.send_header("Cross-Origin-Resource-Policy", "same-origin")
self.send_header("Cache-Control", "no-store")
super().end_headers()
if __name__ == "__main__":
ThreadingHTTPServer(("127.0.0.1", 8765), Handler).serve_forever()
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