Re: [PATCH 1/3] ftrace: add function tracing to single thread
From: Eric W. Biederman
Date: Wed Nov 26 2008 - 02:06:23 EST
Ingo Molnar <mingo@xxxxxxx> writes:
> i dont see the point of the complexity you are advocating. 99.9% of
> the users run a unique PID space.
I'm not advocating complexity. I'm advocating using the same APIs as
the rest of the kernel, for doing the same functions.
> Tracing is about keeping stuff simple. On containers we could also
> trace the namespace ID (is there an easy ID for the namespace, as an
> easy extension to the very nice PID concept that Unix introduced
> decades ago?) and be done with it.
I don't really care about the pid namespace in this context.
I am just asking that we compare a different field in the task struct.
I am asking that we don't accumulate new users of an old crufty bug prone
API, for no good reason.
I'm asking that we don't be different for no good reason.
Eric
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