Re: [PATCH] tracer for sys_open() - sreadahead

["Frédéric Weisbecker" <fweisbec@gmail.com>]

2009/1/28 Frank Ch. Eigler <fche@redhat.com>:
> Frederic Weisbecker <fweisbec@gmail.com> writes:
>
>> [...]
>> Speaking about a global syscall tracer, I made a patch to trace only the syscalls
>> with the function-graph-tracer.
>> http://lkml.org/lkml/2008/12/30/267 This low-level part can easily
>> be used by all tracers that would like to inspect syscalls.
>> [...]
>> Just a change is needed: Steven requested that the part inside
>> syscall_trace_enter become a tracepoint, making it totally shareable
>> between tracers and easy to turn on and off.
>
> Alternately, you could just rely on utrace's hooks.  They were thought
> out more fully with respect to parameter access, manipulation, and
> programmatic control befitting even a debugger.
>
>
> - FChE
>

I don't know much it. But I will soon have some time to look at your
patch which uses ftrace from utrace.
Anyway, are there some plans about utrace to be merged? Unless I
couldn't be able to use
it...