blktrace ftrace plugin, was Re: Receive side performance issuewith multi-10-GigE and NUMA

From: Christoph Hellwig
Date: Wed Aug 26 2009 - 20:31:10 EST

On Wed, Aug 26, 2009 at 10:40:27PM +0200, Ingo Molnar wrote:
> We are also converting non-trivial plugins to generic tracepoints. A
> recent example are the system call tracepoints, but we also
> converted blktrace and kmemtrace to generic tracepoints.

On something semi-related: Any reason to keep the blktrace ftrace
plugin around? I don't think there's much point in it. It only got
added in 2.6.29, and all the blktrace tooling just uses the legacy
ioctls. All new uses should just use the TRACE_EVENT output.
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