| # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import os, re, time |
| |
| from autotest_lib.client.bin import test, utils |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros import power_utils, service_stopper |
| |
| class graphics_SyncControlTest(test.test): |
| """Confirms that infrastructure for aligning graphics operations in the |
| browser with vsync is present |
| """ |
| version = 1 |
| |
| def setup(self): |
| self.job.setup_dep(['glbench']) |
| |
| def run_once(self): |
| dep = 'glbench' |
| dep_dir = os.path.join(self.autodir, 'deps', dep) |
| self.job.install_pkg(dep, 'dep', dep_dir) |
| |
| hz = {'daisy' : 59.9} |
| |
| exefile = os.path.join(self.autodir, 'deps/glbench/synccontroltest') |
| cmd = "DISPLAY=:1 " + exefile |
| board = utils.get_current_board() |
| if board in hz: |
| cmd = cmd + " --vsync {0:.2f}".format(hz[board]) |
| |
| self._services = service_stopper.ServiceStopper(['ui']) |
| self._services.stop_services() |
| x_summary = utils.system_output('X :1 & echo "XPID=$!"', |
| ignore_status=True) |
| self.x_pid = re.match(r"XPID=(\d+)", x_summary).group(0) |
| time.sleep(1) |
| |
| # synccontroltest exits with a non zero status if a deviation above |
| # 200uS us is detected. |
| ret = utils.system(cmd, ignore_status=True) |
| if ret != 0: |
| raise error.TestFail( |
| "Failed: graphics_SyncControlTest with {0}".format(ret)) |
| |
| def cleanup(self): |
| if self.x_pid: |
| utils.system("kill {0}".format(self.x_pid), ignore_status=True) |
| if self._services: |
| self._services.restore_services() |
