| """ |
| Sets up a subprocess to run mpstat on a specified interval, default 1 second |
| """ |
| import time, os, subprocess |
| from autotest_lib.client.bin import profiler |
| |
| |
| class mpstat(profiler.profiler): |
| version = 1 |
| |
| |
| def initialize(self, interval = 1): |
| self.interval = interval |
| |
| |
| def start(self, test): |
| cmd = "mpstat -P ALL %d" % self.interval |
| logfile = open(os.path.join(test.profdir, "mpstat"), 'w') |
| p = subprocess.Popen(cmd, shell=True, stdout=logfile, |
| stderr=subprocess.STDOUT) |
| self.pid = p.pid |
| |
| |
| def stop(self, test): |
| os.kill(self.pid, 15) |
| |
| |
| def report(self, test): |
| return None |
