Re: [PATCH] Add tracepoints to track pagecache transition

[Peter Zijlstra]

On Tue, 2009-02-17 at 20:38 +0900, KOSAKI Motohiro wrote:
> If you want to see I/O activity, you need to add tracepoint into block
> layer.

We already have that, Arnaldo converted blktrace to use tracepoints and
wrote an ftrace tracer for it.

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