plot_amdgpu

#!/usr/bin/env python3
from subprocess import Popen, DEVNULL, PIPE
from matplotlib.animation import FuncAnimation
import matplotlib.pyplot as plt


def run_each(i, n):
    line = processes[n].stdout.readline().decode().split(",")
    if len(line) > 2:
        gpu = float(line[1].split()[1].rstrip("%"))
        vram = float(line[12].split()[1].rstrip("%"))
        clock = float(line[14].split()[1].rstrip("%"))
        sample[n][0].append(gpu)
        sample[n][1].append(vram)
        sample[n][2].append(clock)

        axes[n].cla()
        axes[n].plot(sample[n][0], 'r-', label='gpu')
        axes[n].plot(sample[n][1], 'g-', label='vram')
        axes[n].plot(sample[n][2], 'b-', label='clock')
        axes[n].set_ylim(0, 100)
        axes[n].legend()


def run_redeontop(i):
    run_each(i, 0)
    run_each(i, 1)


sample = [[[], [], []], [[], [], []]]

processes = [
    Popen(["radeontop", "-d", "-"], stdout=PIPE, stderr=DEVNULL),
    Popen(["radeontop", "-d", "-", "-t", "40"], stdout=PIPE, stderr=DEVNULL)
]

fig, axes = plt.subplots(1, 2, figsize=(12, 6))

ani = FuncAnimation(fig, run_redeontop, interval=1000)

plt.show()

processes[0].terminate()
processes[1].terminate()