linux-toradex.git/tools/testing/selftests/ptp/phc.sh, branch v6.3 Linux kernel for Apalis and Colibri modules selftests: ptp: Add Physical Hardware Clock test 2019-06-14T05:34:55+00:00 Shalom Toledo shalomt@mellanox.com 2019-06-11T15:45:12+00:00 9366211f32076a6f3265f65a4851af9af22e4403 Test the PTP Physical Hardware Clock functionality using the "phc_ctl" (a part of "linuxptp"). The test contains three sub-tests: * "settime" test * "adjtime" test * "adjfreq" test "settime" test: * set the PHC time to 0 seconds. * wait for 120.5 seconds. * check if PHC time equal to 120.XX seconds. "adjtime" test: * set the PHC time to 0 seconds. * adjust the time by 10 seconds. * check if PHC time equal to 10.XX seconds. "adjfreq" test: * adjust the PHC frequency to be 1% faster. * set the PHC time to 0 seconds. * wait for 100.5 seconds. * check if PHC time equal to 101.XX seconds. Usage: $ ./phc.sh /dev/ptp<X> It is possible to run a subset of the tests, for example: * To run only the "settime" test: $ TESTS="settime" ./phc.sh /dev/ptp<X> Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Tested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Test the PTP Physical Hardware Clock functionality using the "phc_ctl" (a
part of "linuxptp").

The test contains three sub-tests:
  * "settime" test
  * "adjtime" test
  * "adjfreq" test

"settime" test:
  * set the PHC time to 0 seconds.
  * wait for 120.5 seconds.
  * check if PHC time equal to 120.XX seconds.

"adjtime" test:
  * set the PHC time to 0 seconds.
  * adjust the time by 10 seconds.
  * check if PHC time equal to 10.XX seconds.

"adjfreq" test:
  * adjust the PHC frequency to be 1% faster.
  * set the PHC time to 0 seconds.
  * wait for 100.5 seconds.
  * check if PHC time equal to 101.XX seconds.

Usage:
  $ ./phc.sh /dev/ptp<X>

  It is possible to run a subset of the tests, for example:
    * To run only the "settime" test:
      $ TESTS="settime" ./phc.sh /dev/ptp<X>

Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>