[RFC PATCH 0/3] tracing: Teach FETCH_MTD_{symbol,deref} to handleper-cpu data

[Oleg Nesterov]

On 11/23, Oleg Nesterov wrote:
>
> After I looked at Namhyung's patches I learned that trace_probes
> has a rich set of ->fetch methods.
>
> But perhaps it makes sense to add a bit more? The patch is simple
> and the idea looks natural. If this patch is accepted, I can try
> to add a bit more hacks to fetch the per-cpu data, but this needs
> a couple of simple preparations.

Before I redo/resend this patch, let me show the next changes which
allow to dump the per-cpu data.

Not for inclusion! I am not sure if this is really useful, I am not
sure about the syntax or implementation, etc. Just for discussion,
please comment.

Oleg.

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