1 """ 2 Sets up a subprocess to run mpstat on a specified interval, default 1 second 3 """ 4 import time, os, subprocess 5 from autotest_lib.client.bin import profiler 6 7 8 class mpstat(profiler.profiler): 9 version = 1 10 11 12 def initialize(self, interval = 1): 13 self.interval = interval 14 15 16 def start(self, test): 17 cmd = "mpstat -P ALL %d" % self.interval 18 logfile = open(os.path.join(test.profdir, "mpstat"), 'w') 19 p = subprocess.Popen(cmd, shell=True, stdout=logfile, 20 stderr=subprocess.STDOUT) 21 self.pid = p.pid 22 23 24 def stop(self, test): 25 os.kill(self.pid, 15) 26 27 28 def report(self, test): 29 return None 30
