'Starts kvm_stat subprocess.
:param test: Autotest test on which this profiler will operate on.'

def start(self, test):

    if self.is_enabled:
        cmd = ('%s    -l' % self.stat_path)
        logfile = open(os.path.join(test.profdir, 'kvm_stat'), 'w')
        p = subprocess.Popen(cmd, shell=True, stdout=logfile, stderr=subprocess.STDOUT)
        self.pid = p.pid
    else:
        logging.error('Asked    for    kvm_stat    profiler,    but    kvm_stat    not    present')
