mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-29 08:01:08 +00:00
fa914675d2
make the sleep time and the margin configurable. Signed-off-by: Heiko Schocher <hs@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stephen Warren <swarren@nvidia.com>
43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# SPDX-License-Identifier: GPL-2.0
|
|
# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
|
|
|
|
import pytest
|
|
import time
|
|
|
|
"""
|
|
Note: This test doesn't rely on boardenv_* configuration values but they can
|
|
change test behavior.
|
|
|
|
# Setup env__sleep_accurate to False if time is not accurate on your platform
|
|
env__sleep_accurate = False
|
|
|
|
# Setup env__sleep_time time in seconds board is set to sleep
|
|
env__sleep_time = 3
|
|
|
|
# Setup env__sleep_margin set a margin for any system overhead
|
|
env__sleep_margin = 0.25
|
|
|
|
"""
|
|
|
|
def test_sleep(u_boot_console):
|
|
"""Test the sleep command, and validate that it sleeps for approximately
|
|
the correct amount of time."""
|
|
|
|
sleep_skip = u_boot_console.config.env.get('env__sleep_accurate', True)
|
|
if not sleep_skip:
|
|
pytest.skip('sleep is not accurate')
|
|
|
|
if u_boot_console.config.buildconfig.get('config_cmd_misc', 'n') != 'y':
|
|
pytest.skip('sleep command not supported')
|
|
|
|
# 3s isn't too long, but is enough to cross a few second boundaries.
|
|
sleep_time = u_boot_console.config.env.get('env__sleep_time', 3)
|
|
sleep_margin = u_boot_console.config.env.get('env__sleep_margin', 0.25)
|
|
tstart = time.time()
|
|
u_boot_console.run_command('sleep %d' % sleep_time)
|
|
tend = time.time()
|
|
elapsed = tend - tstart
|
|
assert elapsed >= (sleep_time - 0.01)
|
|
if not u_boot_console.config.gdbserver:
|
|
# margin is hopefully enough to account for any system overhead.
|
|
assert elapsed < (sleep_time + sleep_margin)
|