tree 3ac629fe664e2f57039d9c54faa792b99ca62739
parent 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
author Paul E. McKenney <paulmck@kernel.org> 1620086697 -0700
committer Paul E. McKenney <paulmck@kernel.org> 1627411136 -0700

refscale: Add measurement of clock readout

This commit adds a "clock" type to refscale, which checks the performance
of ktime_get_real_fast_ns().  Use the "clocksource=" kernel boot parameter
to select the underlying clock source.

[ paulmck: Work around compiler false positive per kernel test robot. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>