| import os, time |
| import subprocess |
| from autotest_lib.client.bin import test |
| from autotest_lib.client.common_lib import utils, error |
| |
| |
| class iosched_bugs(test.test): |
| version = 1 |
| preserve_srcdir = True |
| |
| def initialize(self): |
| self.job.require_gcc() |
| |
| |
| def setup(self): |
| os.chdir(self.srcdir) |
| utils.make() |
| |
| |
| def execute(self): |
| os.chdir(self.tmpdir) |
| (p1, _) = utils.run_bg('dd if=/dev/hda3 of=/dev/null') |
| time.sleep(60) |
| blah = os.path.join(self.tmpdir, 'blah') |
| dirty_bin = os.path.join(self.srcdir, 'dirty') |
| dirty_op = os.path.join(self.tmpdir, 'dirty') |
| utils.system('echo AA > ' + blah) |
| p2 = subprocess.Popen(dirty_bin + ' ' + blah + ' 1 > ' + dirty_op, |
| shell=True) |
| time.sleep(600) |
| if p2.poll() is None: |
| utils.nuke_subprocess(p1) |
| utils.nuke_subprocess(p2) |
| raise error.TestFail('Writes made no progress') |
| # Commenting out use of utils.run as there is a timeout bug |
| # |
| # try: |
| # utils.run(dirty_bin + ' ' + blah + '1 > ' + dirty_op, 900, False, |
| # None, None) |
| # except: |
| # utils.nuke_subprocess(p1) |
| # raise error.TestFail('Writes made no progress') |
| utils.nuke_subprocess(p1) |
