171 lines
4.9 KiB
Python
171 lines
4.9 KiB
Python
#!/usr/bin/env python3
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# Lancement: python cpu_monitor_gui.py
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import tkinter as tk
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from tkinter import ttk
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from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2Tk
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from matplotlib.figure import Figure
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from collections import deque
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import time
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import psutil
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MAX_POINTS = 60
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UPDATE_INTERVAL = 1000 # ms
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class CPUTracker:
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def __init__(self):
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self.cpu_data = deque(maxlen=MAX_POINTS)
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self.ram_data = deque(maxlen=MAX_POINTS)
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self.time_data = deque(maxlen=MAX_POINTS)
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self._last_cpu = None
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now = time.time()
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self.time_data.append(now)
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def update(self):
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cpu = psutil.cpu_percent(interval=None)
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ram = psutil.virtual_memory().percent
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self._last_cpu = cpu
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t = time.time()
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self.cpu_data.append(cpu)
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self.ram_data.append(ram)
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self.time_data.append(t)
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def get_latest(self):
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if self._last_cpu is None:
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self.update()
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return self._last_cpu, self.ram_data[-1]
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class App:
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def __init__(self, root):
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self.root = root
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self.root.title("CPU / RAM Monitor")
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self.tracker = CPUTracker()
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# --- Header card ---
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card_bg = "#23272f"
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card_fg = "#ffffff"
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accent = "#4fc3f7"
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header_frame = ttk.Frame(root)
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header_frame.pack(fill=tk.X, padx=10, pady=(10, 0))
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self.cpu_label = ttk.Label(
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header_frame,
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text=f"CPU: --%",
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font=("Segoe UI", 20, "bold"),
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foreground=accent,
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)
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self.cpu_label.pack(side=tk.LEFT, padx=20)
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self.ram_label = ttk.Label(
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header_frame,
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text=f"RAM: --%",
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font=("Segoe UI", 20, "bold"),
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foreground="#81c784",
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)
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self.ram_label.pack(side=tk.LEFT, padx=20)
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# --- Plot ---
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fig = Figure(figsize=(8, 3), facecolor=card_bg)
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ax_cpu = fig.add_subplot(1, 2, 1, facecolor=card_bg)
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ax_ram = fig.add_subplot(1, 2, 2, facecolor=card_bg)
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ax_cpu.set_title("CPU %", color=card_fg, fontsize=11)
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ax_ram.set_title("RAM %", color=card_fg, fontsize=11)
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ax_cpu.set_ylim(0, 100)
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ax_ram.set_ylim(0, 100)
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ax_cpu.set_ylabel("%")
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ax_ram.set_ylabel("%")
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ax_cpu.tick_params(colors="#aaa")
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ax_ram.tick_params(colors="#aaa")
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for label in ax_cpu.get_yticklabels():
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label.set_color("#aaa")
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for line in ax_cpu.spines.values():
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line.set_color("#3a3f4a")
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for line in ax_ram.spines.values():
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line.set_color("#3a3f4a")
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self.cpu_line, = ax_cpu.plot(
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[], [], color="#ef5350", linewidth=1.5, marker="", markerfacecolor="#ef5350"
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)
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self.ram_line, = ax_ram.plot(
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[], [], color="#66bb6a", linewidth=1.5, marker="", markerfacecolor="#66bb6a"
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)
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ax_cpu.axhline(y=80, color="#ef5350", linestyle="--", alpha=0.4)
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ax_ram.axhline(y=80, color="#66bb6a", linestyle="--", alpha=0.4)
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ax_cpu.text(0.02, 0.02, "80%", fontsize=8, color="#ef5350", alpha=0.6, transform=ax_cpu.transAxes)
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self.fig = fig
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self.ax_cpu = ax_cpu
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self.ax_ram = ax_ram
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canvas = FigureCanvasTkAgg(fig, master=root)
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canvas.draw()
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canvas.get_tk_widget().pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
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toolbar = NavigationToolbar2Tk(canvas, root)
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toolbar.update()
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# --- Footer status ---
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status_frame = ttk.Frame(root)
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status_frame.pack(fill=tk.X, padx=10, pady=(0, 10))
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self.status_label = ttk.Label(
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status_frame,
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text="Monitoring...",
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font=("Segoe UI", 9),
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foreground="#888",
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)
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self.status_label.pack(side=tk.LEFT)
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stop_btn = ttk.Button(
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status_frame,
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text="Stop",
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command=self._stop,
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width=10,
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)
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stop_btn.pack(side=tk.RIGHT, padx=(10, 0))
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self._running = True
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self._refresh()
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def _refresh(self):
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if not self._running:
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return
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self.tracker.update()
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cpu, ram = self.tracker.get_latest()
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self.cpu_label.config(text=f"CPU: {cpu:5.1f}%")
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self.ram_label.config(text=f"RAM: {ram:5.1f}%")
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ax = self.ax_cpu
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cpu_arr = list(self.tracker.cpu_data)
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ram_arr = list(self.tracker.ram_data)
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self.cpu_line.set_data(range(len(cpu_arr)), cpu_arr)
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self.ram_line.set_data(range(len(ram_arr)), ram_arr)
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ax.set_xlim(0, MAX_POINTS)
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self.ax_ram.set_xlim(0, MAX_POINTS)
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self.fig.canvas.draw_idle()
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self.root.after(UPDATE_INTERVAL, self._refresh)
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def _stop(self):
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self._running = False
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self.status_label.config(text="Stopped.")
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def main():
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root = tk.Tk()
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app = App(root)
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root.mainloop()
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if __name__ == "__main__":
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main()
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