mirror of
https://github.com/AsahiLinux/u-boot
synced 2025-01-25 11:25:17 +00:00
34124ad9a4
Execute "time <sleep cmd>", and validate that it gives the approximately the correct amount of command execution time. Signed-off-by: Love Kumar <love.kumar@amd.com>
61 lines
2.3 KiB
Python
61 lines
2.3 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)
|
|
|
|
@pytest.mark.buildconfigspec("cmd_misc")
|
|
def test_time(u_boot_console):
|
|
"""Test the time command, and validate that it gives approximately the
|
|
correct amount of command execution time."""
|
|
|
|
sleep_skip = u_boot_console.config.env.get("env__sleep_accurate", True)
|
|
if not sleep_skip:
|
|
pytest.skip("sleep is not accurate")
|
|
|
|
sleep_time = u_boot_console.config.env.get("env__sleep_time", 10)
|
|
sleep_margin = u_boot_console.config.env.get("env__sleep_margin", 0.25)
|
|
output = u_boot_console.run_command("time sleep %d" % sleep_time)
|
|
execute_time = float(output.split()[1])
|
|
assert sleep_time >= (execute_time - 0.01)
|
|
if not u_boot_console.config.gdbserver:
|
|
# margin is hopefully enough to account for any system overhead.
|
|
assert sleep_time < (execute_time + sleep_margin)
|