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SubjectRe: [tip:tracing/ftrace] tracing: implement trace_clock_*() APIs

* Frederic Weisbecker <fweisbec@gmail.com> wrote:

> I missed this one.

because i just posted it :)

> Wouldn't your previous idea of a cmpxchg global clock be
> better? Perhaps it would scale better while tracing on many
> cpus.

a cmpxchg global clock has exactly the same cacheline-bouncing
properties as the lock here, so there's no real difference.

Ingo


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