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SubjectRe: [patch] trace: Add user-space event tracing/injection
On 11/18/2010 12:55 AM, Ingo Molnar wrote:
>
> * Darren Hart<dvhart@linux.intel.com> wrote:
>
>> Ideally I would like to see something just like trace_printf()
>> without having to define it myself in each of my testcases. [...]
>
> We can make the prctl a single-argument thing, at the cost of not allowing \0 in the
> content. (which is probably sane anyway)
>
> That way deployment is super-simple:
>
> prctl(35, "My Trace Message");
> ...
>
>
> if (asprintf(&msg, "My Trace Message: %d\n", 1234) != -1) {
> prctl(35, *msg);
> free(*msg);
> }


I think that would be ideal.

--
Darren Hart
Yocto Linux Kernel


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