"""
Runs vmstat X where X is the interval in seconds
Defaults options:
job.profilers.add('vmstat', interval=1)
"""
import os
import subprocess
from autotest.client import profiler
[docs]class vmstat(profiler.profiler):
version = 1
[docs] def initialize(self, interval=1, **dargs):
self.interval = interval
[docs] def start(self, test):
cmd = "/usr/bin/vmstat %d" % self.interval
logfile = open(os.path.join(test.profdir, "vmstat"), 'w')
p = subprocess.Popen(cmd, shell=True, stdout=logfile,
stderr=subprocess.STDOUT)
self.pid = p.pid
[docs] def stop(self, test):
os.kill(self.pid, 15)
[docs] def report(self, test):
return None