import subprocess import tkinter as tk from tkinter import messagebox from datetime import datetime from pathlib import Path # ========================= # GPU PL Keeper Ver2 # ========================= GPU_INDEX = 0 CHECK_INTERVAL_SEC = 60 CHECK_INTERVAL_MS = CHECK_INTERVAL_SEC * 1000 # RTX5090の70%相当。5090環境では 575W * 70% = 402.5W 付近。 # ThunderMasterで70%にした時の nvidia-smi 表示に合わせて必要なら 400 / 402 / 403 などに調整してください。 DEFAULT_TARGET_PL_W = 402 LOG_FILE = Path(__file__).with_name("gpu_pl_keeper.log") def run_cmd(cmd: list[str]) -> str: startupinfo = subprocess.STARTUPINFO() startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW return subprocess.check_output( cmd, text=True, stderr=subprocess.STDOUT, startupinfo=startupinfo ).strip() def get_current_pl() -> float: cmd = [ "nvidia-smi", "-i", str(GPU_INDEX), "--query-gpu=power.limit", "--format=csv,noheader,nounits" ] return float(run_cmd(cmd)) def set_power_limit(watts: float) -> str: cmd = [ "nvidia-smi", "-i", str(GPU_INDEX), "-pl", str(int(round(watts))) ] return run_cmd(cmd) def is_admin_error(error_text: str) -> bool: return "Insufficient Permissions" in error_text or "permission" in error_text.lower() class GPUPlKeeperApp: def __init__(self, root: tk.Tk): self.root = root self.root.title("GPU PL Keeper Ver2") self.root.geometry("420x330") self.root.resizable(True, True) self.running = False self.after_id = None self.last_fixed_at = "-" self.root.protocol("WM_DELETE_WINDOW", self.on_close) title = tk.Label(root, text="GPU PL Keeper Ver2", font=("Meiryo", 14, "bold")) title.pack(pady=(10, 4)) frame = tk.Frame(root) frame.pack(pady=4) tk.Label(frame, text="目標PL(W):", font=("Meiryo", 10)).grid(row=0, column=0, padx=4) self.target_entry = tk.Entry(frame, width=10, justify="center") self.target_entry.insert(0, str(DEFAULT_TARGET_PL_W)) self.target_entry.grid(row=0, column=1, padx=4) self.status_label = tk.Label( root, text="停止中", font=("Meiryo", 11, "bold"), bg="#dddddd", width=34 ) self.status_label.pack(pady=8) self.current_label = tk.Label(root, text="現在PL: 未取得", font=("Meiryo", 10)) self.current_label.pack() self.fixed_label = tk.Label(root, text="最終修正: -", font=("Meiryo", 10)) self.fixed_label.pack(pady=(0, 6)) button_frame = tk.Frame(root) button_frame.pack(pady=4) self.start_button = tk.Button(button_frame, text="監視開始", width=10, command=self.start) self.start_button.grid(row=0, column=0, padx=4) self.stop_button = tk.Button(button_frame, text="監視停止", width=10, command=self.stop) self.stop_button.grid(row=0, column=1, padx=4) self.check_button = tk.Button(button_frame, text="今すぐ確認", width=12, command=self.check_once_manual) self.check_button.grid(row=0, column=2, padx=4) self.log = tk.Text(root, height=10, font=("Consolas", 9)) self.log.pack(fill="both", expand=True, padx=8, pady=8) self.write_log("起動しました。管理者権限での実行を推奨します。") self.write_log(f"監視間隔: {CHECK_INTERVAL_SEC}秒") def write_log(self, text: str): now = datetime.now().strftime("%Y-%m-%d %H:%M:%S") line = f"[{now}] {text}" self.log.insert("end", line + "\n") self.log.see("end") try: with LOG_FILE.open("a", encoding="utf-8") as f: f.write(line + "\n") except Exception: pass def set_status(self, text: str, color: str): self.status_label.config(text=text, bg=color) def get_target_pl(self) -> float: raw = self.target_entry.get().strip() if not raw: raise ValueError("目標PLが空です。") return float(raw) def start(self): self.running = True self.set_status("監視中", "#9fd3ff") self.write_log("監視を開始しました。") self.check_pl() def stop(self): self.running = False if self.after_id is not None: try: self.root.after_cancel(self.after_id) except Exception: pass self.after_id = None self.set_status("停止中", "#dddddd") self.write_log("監視を停止しました。") def check_once_manual(self): self.check_pl(schedule_next=False) def check_pl(self, schedule_next=True): try: target_pl = self.get_target_pl() current_pl = get_current_pl() self.current_label.config(text=f"現在PL: {current_pl:.0f} W") # 1W以内は誤差扱い if abs(current_pl - target_pl) <= 1: self.set_status("正常", "#a8e6a1") self.write_log(f"正常: 現在 {current_pl:.0f}W / 目標 {target_pl:.0f}W") else: self.set_status("不一致検出・修正中", "#ffe08a") self.write_log(f"PL不一致: 現在 {current_pl:.0f}W / 目標 {target_pl:.0f}W") result = set_power_limit(target_pl) fixed_pl = get_current_pl() self.current_label.config(text=f"現在PL: {fixed_pl:.0f} W") self.last_fixed_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S") self.fixed_label.config(text=f"最終修正: {self.last_fixed_at}") if abs(fixed_pl - target_pl) <= 1: self.set_status("修正完了", "#a8e6a1") self.write_log(f"自動修正完了: {current_pl:.0f}W → {fixed_pl:.0f}W") else: self.set_status("修正後も不一致", "#ff9a9a") self.write_log(f"警告: 修正後も不一致です。現在 {fixed_pl:.0f}W") self.write_log(f"nvidia-smi出力: {result}") except subprocess.CalledProcessError as e: error_text = e.output.strip() if e.output else str(e) self.set_status("エラー", "#ff9a9a") self.write_log(f"コマンドエラー: {error_text}") if is_admin_error(error_text): messagebox.showwarning( "管理者権限が必要です", "PL変更に失敗しました。\n" "このツールを管理者権限で起動してください。" ) except Exception as e: self.set_status("エラー", "#ff9a9a") self.write_log(f"エラー: {e}") finally: if self.running and schedule_next: self.after_id = self.root.after(CHECK_INTERVAL_MS, self.check_pl) def on_close(self): # ×で閉じると監視も終了します。 self.stop() self.root.destroy() if __name__ == "__main__": root = tk.Tk() app = GPUPlKeeperApp(root) root.mainloop()