| import subprocess |
| import tkinter as tk |
| from tkinter import messagebox |
| from datetime import datetime |
| from pathlib import Path |
|
|
| |
| |
| |
|
|
| GPU_INDEX = 0 |
| CHECK_INTERVAL_SEC = 60 |
| CHECK_INTERVAL_MS = CHECK_INTERVAL_SEC * 1000 |
|
|
| |
| |
| 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") |
|
|
| |
| 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): |
| |
| self.stop() |
| self.root.destroy() |
|
|
|
|
| if __name__ == "__main__": |
| root = tk.Tk() |
| app = GPUPlKeeperApp(root) |
| root.mainloop() |
|
|