Re: [PATCH 0/3] tracepoints: delay argument evaluation

From: Steven Rostedt
Date: Tue May 19 2009 - 20:43:12 EST



On Tue, 19 May 2009, Mathieu Desnoyers wrote:
>
> Given the tradeoff is taste vs overhead, what do you think of the
> following proposal ?
>
> trace(block_bio_complete, md->queue, bio);

I'm fine with this. It is extremely important that the trace point
overhead is negligible when disabled. Otherwise, they serve no purpose.

-- Steve
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