Re: [PATCH net-next 4/4] netconsole: selftest: Validate CPU number auto-population in userdata

On Wed, 13 Nov 2024 07:10:55 -0800 Breno Leitao wrote:

• if ! grep -q "cpu=[0-9]+" "${TMPFILENAME}"; then

• echo "FAIL: 'cpu=' not found in ${TMPFILENAME}" >&2
  

• cat "${TMPFILENAME}" >&2
  

• exit "${ksft_fail}"
  

• fi

Could we try to do something like pick a 'random' CPU ID from sysfs, taskset the write / echo, and match that the incoming message has the expected CPU ID, not just any?