Re: [PATCH] new irq tracer

[Peter Zijlstra]

On Wed, 2009-02-18 at 17:02 -0500, Frank Ch. Eigler wrote:

> > I really am having a difficult time seeing the use in such narrow
> > tracers.
> 
> Part of the problem may come from defining "tracers" as something
> limited to ftrace engines.  Once such tracepoints are in the kernel,
> more powerful analytical tools may be attached to them.

ftrace graph tracer is by far the most powerful thing I've seen, there's
nothing limiting about ftrace.

What is limiting are these puny little tracers that have no real value.

A much better purpose for these tracepoints would be augmenting data in
existing tracers like the graph/function/sched tracer.

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