Paul E. McKenney 25f6fa53a0 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>

2021-07-27 11:38:56 -07:00

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