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SubjectRe: [PATCH] tracing/filters: add run-time field descriptions to TRACE_EVENT_FORMAT events

* Steven Rostedt <rostedt@goodmis.org> wrote:

> Now what I could do, is to add a cmpxchg. If there's no data after
> the data that we want to discard, then we discard it. Note, this
> can only happen before the commit is made.
>
> I'll see if I can implement that.

Great!

I dont think the IRQ race is a common one even with a lot of IRQs,
so as long as the common case is fine and we let a few holes slip
through it should be fine.

[ If the IRQ race window is wide then that's a sign of us having too
much tracing overhead ;-) ]

Ingo


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