Messages in this thread | | | Date | Thu, 18 Nov 2010 09:06:29 -0800 | From | Darren Hart <> | Subject | Re: [patch] trace: Add user-space event tracing/injection |
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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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