We've had this debate before. Linus said that there are two versions
of HZ: one for the kernel and one for user-space. The user-space one
should not change. All time values reported to user-space should be
absolute units, or jiffie values should be convert to the user-space
HZ units.
That's all very well and good, but it's not what's currently implemented
in the kernel...... (there currently is only one HZ defined, and if you
change it, it changes both the kernel clock resolution as well as the
time values which are reported to the userspace).
- Ted
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