Re: [PATCH 3/3] Add name fields in shrinker tracepoint definitions

[Rik van Riel]

On Wed, 2016-07-13 at 12:12 -0700, Tony Jones wrote:
> On 07/12/2016 11:16 PM, Janani Ravichandran wrote:
> > 
> > > 
> > > I also have a patch which adds a similar latency script (python)
> > > but interfaces it into the perf script setup.
> > Iâm looking for pointers for writing latency scripts using
> > tracepoints as Iâm new to it. Can I have a look at yours, please?
> I was going to send it to you (off list email) last night but I seem
> to have misplaced the latest version.ÂÂI think it's on a diff test
> system.ÂÂI'll fire it off to you when I find it, hopefully in the
> next couple of days. I can also post it here if there is any
> interest.ÂÂI'd like to see it added to the builtin scripts under
> tools/perf.

That is what Janani has been working on
as part of her Outreachy internship.

However, tools like this very much seem
to be subject to the 80/20 rule, and I
would expect that regardless of whether
Janani chooses to continue with her own
script, or continue working on yours,
there will be more than enough work left
to fill the remainder of the internship
period.

For one, chances are many of the things
inside vmscan.c (and compaction.c!) that
need to be instrumented currently are not.

Secondly, the tool will also need some
documentation.

Tony, Janani should be able to work on this
project full time for another month and a half
or so. This could be a good opportunity to get
something (1) upstream, and (2) refined, and
(3) documented :)

-- 
All rights reversed

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