[PATCH] tracer for sys_open() - sreadahead

Frank Ch. Eigler fche at redhat.com
Thu Jan 29 15:53:42 UTC 2009


Hi -

On Thu, Jan 29, 2009 at 04:34:46PM +0100, Frédéric Weisbecker wrote:
> 2009/1/29 Ingo Molnar <mingo at elte.hu>:
> [...]
> >> > sure - how do the minimal bits/callbacks look like which enable syscall
> >> > tracing?

> I know you are talking about the only necessary bits from utrace to
> have the syscalls tracing.  But I can't answer you better than would
> the utrace people.  And actually I'm not sure the utrace bits for
> syscall tracing can be isolated from the rest of its core.

My understanding is that the parts of utrace that remain out-of-tree
are relatively integrated, and just present the programmatic callback
API to the already merged "tracehook" layer.

- FChE




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