| import time, os |
| from autotest_lib.client.bin import test, utils |
| from autotest_lib.client.common_lib import error |
| |
| class cpu_hotplug(test.test): |
| version = 2 |
| |
| # http://developer.osdl.org/dev/hotplug/tests/lhcs_regression-1.6.tgz |
| def setup(self, tarball = 'lhcs_regression-1.6.tgz'): |
| tarball = utils.unmap_url(self.bindir, tarball, self.tmpdir) |
| utils.extract_tarball_to_dir(tarball, self.srcdir) |
| |
| |
| def initialize(self): |
| # Check if the kernel supports cpu hotplug |
| if utils.running_config(): |
| utils.check_for_kernel_feature('HOTPLUG_CPU') |
| |
| # Check cpu nums, if equals 1, quit. |
| if utils.count_cpus() == 1: |
| e_msg = 'Single CPU online detected, test not supported.' |
| raise error.TestNAError(e_msg) |
| |
| # Have a simple and quick check first, FIX me please. |
| utils.system('dmesg -c > /dev/null') |
| for cpu in utils.cpu_online_map(): |
| if os.path.isfile('/sys/devices/system/cpu/cpu%s/online' % cpu): |
| utils.system('echo 0 > /sys/devices/system/cpu/cpu%s/online' % cpu, 1) |
| utils.system('dmesg -c') |
| time.sleep(3) |
| utils.system('echo 1 > /sys/devices/system/cpu/cpu%s/online' % cpu, 1) |
| utils.system('dmesg -c') |
| time.sleep(3) |
| |
| |
| def run_once(self): |
| # Begin this cpu hotplug test big guru. |
| os.chdir(self.srcdir) |
| utils.system('./runtests.sh') |
