"""runing.py -c 2 -t 0.01 -m 1000
-c cpu核数,不加-c参数为最大核数
-t cpu运算频率时间,间隔,越小占用越高
-m 内存占用,1000MB"""
importsysimporttimefrom time importclockimportargparsefrom multiprocessing importProcessfrom multiprocessing importcpu_countimportmath#import tempfile
## 屏蔽 Traceback信息#sys.stderr=tempfile.TemporaryFile()
defexec_func(bt):whileTrue:for i in range(0, 9600000):passtime.sleep(bt)if __name__ == "__main__":
parse= argparse.ArgumentParser(description='runing')
parse.add_argument("-c","--count",
default=cpu_count(),
help='cpu count')
parse.add_argument("-t","--time",
default= 0.01,
help='cpu time')
parse.add_argument("-m","--memory",
default= 1000,
help='memory')
args=parse.parse_args()
cpu_logical_count=int(args.count)
cpu_sleep_time=args.time
memory_used_mb=int(args.memory)try:
cpu_sleep_time=int(args.time)exceptValueError:try:
cpu_sleep_time=float(args.time)exceptValueError as ex:raiseValueError(ex)
_doc= """runing.py -c 2 -t 0.01 -m 1000
-c 指定cpu核数,不加-c参数默认为当前cpu最大核数
-t cpu运算频率时间,间隔,越小占用越高
-m 内存占用,1000MB
CPU使用率需要手动增加减少-t参数来达到,预期使用率。"""
print(" ====================使用说明=========================")print("{}".format(_doc))print(" ====================================================")print(' 当前占用CPU核数:{}'.format(cpu_logical_count))print(' 内存预计占用:{}MB'.format(memory_used_mb))print(' 资源浪费中......')try:#内存占用
s = ' ' * (memory_used_mb * 1024 * 1024)exceptMemoryError:print("剩余内存不足,内存有溢出......")try:
p= Process(target=exec_func, args=("bt",))
ps_list=[]for i inrange(0, cpu_logical_count):
ps_list.append(Process(target=exec_func, args=(cpu_sleep_time,)))for p inps_list:
p.start()for p inps_list:
p.join()exceptKeyboardInterrupt:print("资源浪费结束!")