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SubjectRe: [PATCH 1/3] Add a new field to struct shrinker
On Mon 11-07-16 10:12:51, Rik van Riel wrote:
> On Mon, 2016-07-11 at 08:37 +0200, Michal Hocko wrote:
> > On Sat 09-07-16 04:43:31, Janani Ravichandran wrote:
> > > Struct shrinker does not have a field to uniquely identify the
> > > shrinkers
> > > it represents. It would be helpful to have a new field to hold
> > > names of
> > > shrinkers. This information would be useful while analyzing their
> > > behavior using tracepoints.
> >
> > This will however increase the vmlinux size even when no tracing is
> > enabled. Why cannot we simply print the name of the shrinker
> > callbacks?
>
> What mechanism do you have in mind for obtaining the name,
> Michal?

Not sure whether tracing infrastructure allows printk like %ps. If not
then it doesn't sound too hard to add.
--
Michal Hocko
SUSE Labs

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