> Has anyone measured the performance impact of rutime CLOCK_TICK_RATE
> switching (since this will no longer allow some compile time
> optimizations in jiffies.h)?
SUSE shipped a kernel briefly that had runtime switchable jiffies
and there were some benchmarks done and they didn't show noticeable
slowdown.
But with hr timers it should be pretty much obsolete anyways.
-Andi
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