Unittest for the autodetection fails when running on a macbook with the M1 apple chip

[rsarm]

The unittest for the autodetection fails when running on a macbook with the M1 apple chip:

================================================================== FAILURES ===================================================================
________________________________________________________________ test_autotect ________________________________________________________________

default_exec_ctx = <unittests.conftest._ExecutionContext object at 0x100852d60>

    def test_autotect(default_exec_ctx):
        autodetect.detect_topology()
        part = runtime().system.partitions[0]
        assert part.processor.info == cpuinfo()
        if part.processor.info:
>           assert part.processor.num_cpus == part.processor.info['num_cpus']
E           KeyError: 'num_cpus'

unittests/test_autodetect.py:77: KeyError
------------------------------------------------------------ Captured stderr call -------------------------------------------------------------
sysctl: unknown oid 'machdep.cpu.leaf7_features'
sysctl: unknown oid 'machdep.cpu.vendor'
sysctl: unknown oid 'machdep.cpu.model'
sysctl: unknown oid 'machdep.cpu.leaf7_features'
sysctl: unknown oid 'machdep.cpu.vendor'
sysctl: unknown oid 'machdep.cpu.model'
=========================================================== short test summary info ===========================================================
FAILED unittests/test_autodetect.py::test_autotect - KeyError: 'num_cpus'

The command sysctl hw machdep.cpu.cache, which is used in the cpuinfo gives an error:

sysctl: unknown oid 'machdep.cpu.cache'

[ekouts]

To me it looks like the output of sysctl has changed. Maybe putting here the output of the sysctl -a command can help update the cpuinfo utility?