import signal
import resource
import os
def time_exceeded(signo, frame):
? ? print("time's up")
? ? raise SystemExit(1)
def set_max_runtime(seconds):
? ? soft,hard = resource.getrlimit(resource.RLIMIT_CPU)
? ? resource.setrlimit(resource.RLIMIT_CPU, (seconds, hard))
? ? signal.signal(signal.SIGXCPU, time_exceeded)
if __name__ == '__main__':
? ? set_max_runtime(5)
? ? while True:
? ? ? ? pass

def limit_memory(maxsize):
? ? soft, hard = resource.getrlimit(resource.RLIMIT_AS)
? ? resource.setrlimit(resource.RLIMIT_AS, (maxsize, hard))

# -*- coding: UTF-8 -*-
import os
def get_info(metric):
? ? metric_cmd_map = {
? ? ? ? "cpu_usage_rate": "wmic cpu get loadpercentage",
? ? ? ? "mem_total": "wmic ComputerSystem get TotalPhysicalMemory",
? ? ? ? "mem_free": "wmic OS get FreePhysicalMemory"
? ? }
? ? out = os.popen("{}".format(metric_cmd_map.get(metric)))
? ? value = out.read().split("\n")[2]
? ? out.close()
? ? return float(value)
# cpu使用率
cpu_usage_rate = get_info('cpu_usage_rate')
print("windows的CPU使用率是{}%".format(cpu_usage_rate))
# 無法直接查出內(nèi)存使用率，總內(nèi)存單位是b，而剩余內(nèi)存單位是kb
mem_total = get_info('mem_total')/1024
mem_free = get_info('mem_free')
mem_usage_rate = (1 - mem_free/mem_total)*100
print("windows的內(nèi)存使用率是{}%".format(mem_usage_rate))