import tbot
from tbot.machine import linux
from tbot.context import Optional
[docs]@tbot.testcase
def board_lnx_cpufreq(
lnx: Optional[linux.LinuxShell] = None,
cpufreq=None,
) -> None:
"""
simple cpufreq setup tests.
look for all elements in cpufreq, if
the file in "file" contains the value "val"
:param lnx: linux machine we work on
:param cpufreq: List of dictionary see below
.. code-block:: python
cpufreq = [
{"file" : "/sys/devices/system/cpu/cpufreq/policy0/scaling_governor", "val" : "performance"},
{"file" : "/sys/devices/system/cpu/cpufreq/policy0/cpuinfo_max_freq", "val" : "1600000"},
{"file" : "/sys/devices/system/cpu/cpufreq/policy0/stats/time_in_state", "val" : "0"},
]
"""
if cpufreq is None:
raise RuntimeError("please configure cpufreq table")
with tbot.ctx() as cx:
if lnx is None:
lnx = cx.request(tbot.role.BoardLinux)
for c in cpufreq:
out = lnx.exec0("cat", c["file"])
if c["val"] not in out:
raise RuntimeError(f'{c["val"]} not found in {c["file"]}')
[docs]@tbot.testcase
def generic_get_socname(
lnx: Optional[linux.LinuxShell] = None,
) -> None:
"""
Try to find out the SoC name.
First approach is to get name through /proc file
/proc/device-tree/soc@0/compatible
Currently supported SoC
fsl,imx8mp-soc -> NXP imx8mp -> return "imx8mp"
:param lnx: linux machine where we run
:return: see above table, if SoC could not be detected "not detected"
"""
with tbot.ctx() as cx:
if lnx is None:
lnx = cx.request(tbot.role.BoardLinux)
# Try through device-tree
try:
log = lnx.exec0("cat", "/proc/device-tree/soc@0/compatible")
print("LOG ", log)
if "fsl,imx8mp-soc" in log:
return "imx8mp"
except:
pass
return "not detected"