Re: [PATCH v3 00/35] Memory allocation profiling

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On Tue, 13 Feb 2024 14:59:11 -0800 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:

> > > If you think you can easily achieve what Michal requested without all that,
> > > good.
> >
> > He requested something?
> Yes, a cleaner instrumentation. Unfortunately the cleanest one is not
> possible until the compiler feature is developed and deployed. And it
> still would require changes to the headers, so don't think it's worth
> delaying the feature for years.

Can we please be told much more about this compiler feature? 
Description of what it is, what it does, how it will affect this kernel
feature, etc.

Who is developing it and when can we expect it to become available?

Will we be able to migrate to it without back-compatibility concerns? 
(I think "you need quite recent gcc for memory profiling" is

Because: if the maintainability issues which Michel describes will be
significantly addressed with the gcc support then we're kinda reviewing
the wrong patchset.  Yes, it may be a maintenance burden initially, but
at some (yet to be revealed) time in the future, this will be addressed
with the gcc support?

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