| |
| """Sample PRO 4000 (by UUID) + system RAM/CPU/swap every second to CSV until killed. |
| Writes <csv>.peaks.json on exit (SIGTERM/SIGINT).""" |
| import csv, json, signal, subprocess, sys, time, psutil |
| UUID = "GPU-4e9ed5ea-d6d0-183f-9335-fd87f65d3f16" |
| out = sys.argv[1]; pid = int(sys.argv[2]) if len(sys.argv) > 2 else None |
| f = open(out, "w", newline=""); w = csv.writer(f) |
| cols = ["t", "vram_mib", "gpu_util", "power_w", "temp_c", "sm_mhz", "ram_used_gb", "swap_used_gb", "cpu_pct", "proc_rss_gb", "swap_in_mbps", "swap_out_mbps"] |
| w.writerow(cols); peaks = {c: 0.0 for c in cols[1:]} |
| stop = False |
| def h(*_): |
| global stop; stop = True |
| signal.signal(signal.SIGTERM, h); signal.signal(signal.SIGINT, h) |
| proc = psutil.Process(pid) if pid else None |
| start_sin = psutil.swap_memory().sin |
| t0 = time.time(); last = psutil.swap_memory(); lt = t0 |
| while not stop: |
| q = subprocess.run(["nvidia-smi", "-i", UUID, "--query-gpu=memory.used,utilization.gpu,power.draw,temperature.gpu,clocks.sm", |
| "--format=csv,noheader,nounits"], capture_output=True, text=True).stdout.strip().split(", ") |
| vm = psutil.virtual_memory(); sw = psutil.swap_memory() |
| try: rss = proc.memory_info().rss / 1e9 if proc else 0 |
| except psutil.Error: rss = 0 |
| now = time.time(); dt = max(now - lt, 1e-3) |
| sin = (sw.sin - last.sin) / dt / 1e6; sout = (sw.sout - last.sout) / dt / 1e6; last, lt = sw, now |
| row = [round(now - t0, 1), *[float(x) for x in q], round((vm.total - vm.available) / 1e9, 2), |
| round(sw.used / 1e9, 2), psutil.cpu_percent(), round(rss, 2), round(sin, 1), round(sout, 1)] |
| w.writerow(row); f.flush() |
| for c, v in zip(cols[1:], row[1:]): peaks[c] = max(peaks[c], v) |
| time.sleep(1) |
| peaks["swap_in_total_mb"] = round((psutil.swap_memory().sin - start_sin) / 1e6, 1) |
| json.dump(peaks, open(out + ".peaks.json", "w"), indent=1) |
|
|
