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    SubjectRe: 2.6.23-rc2-mm1: rcutorture xtime usage
    On Fri, 10 Aug 2007 08:12:08 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:

    > > One used to use sched_clock() for this, then get frowned at. Now we
    > > have cpu_clock()...
    >
    > Hmmm... And cpu_clock() is not in 2.6.22, so must appear in some later
    > release. Which means that the rate of API change in this area is a
    > bit high, so I should avoid it like the plague.

    eh, it's been there for weeks. It is dust-encrusted.

    > Therefore, I should
    > look for some other convenient source of entropy.
    >
    > One convenient source would the per-CPU statistics that rcutorture
    > maintains. Of course, a given CPU's RNG is nearly in lock-step with
    > its own statistics, but not with the adjacent CPU's statistics...
    >
    > I will send a patch.

    Please use cpu_clock(). It ain't going away.
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