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import os def get_cpu_usage(): result = os.popen("sar -u 1 1 | grep Average") lines = result.readlines() if len(lines) > 0: tokens = lines[0].split() if len(tokens) > 0: return float(tokens[-1]) return 0 def optimize_cpu_usage(threshold): cpu_usage = get_cpu_usage() if cpu_usage > threshold: # °´Ðè×èÖ¹²»ÐëÒªµÄЧÀͺÍÀú³Ì os.system("sudo service servicename stop") # Çл»µ½performanceµ÷ÀíÕ½ÂÔ os.system("echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor") # ÉèÖÃCPUʹÓÃÂʵÄãÐֵΪ80% threshold = 80 # Ò»Á¬¾ÙÐÐÐÔÄÜÓÅ»¯ while True: optimize_cpu_usage(threshold)
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