Re: [PATCH v3 00/12] dso/dsos memory savings and clean up

[Namhyung Kim]

On Thu, Apr 11, 2024 at 11:42 AM Arnaldo Carvalho de Melo
<acme@xxxxxxxxxx> wrote:
>
> On Tue, Apr 09, 2024 at 11:42:02PM -0700, Ian Rogers wrote:
> > 12 more patches from:
> > https://lore.kernel.org/lkml/20240202061532.1939474-1-irogers@xxxxxxxxxx/
> > a near half year old adventure in trying to lower perf's dynamic
> > memory use. Bits like the memory overhead of opendir are on the
> > sidelines for now, too much fighting over how
> > distributions/C-libraries present getdents. These changes are more
> > good old fashioned replace an rb-tree with a sorted array and add
> > reference count tracking.
> >
> > The changes migrate dsos code, the collection of dso structs, more
> > into the dsos.c/dsos.h files. As with maps and threads, this is done
> > so the internals can be changed - replacing a linked list (for fast
> > iteration) and an rb-tree (for fast finds) with a lazily sorted
> > array. The complexity of operations remain roughly the same, although
> > iterating an array is likely faster than iterating a linked list, the
> > memory usage is at least reduce by half.
>
> Got the first 5 patches, would be nice if more people could review it,
> I'll try and get back to is soon.

For the series:

Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks,
Namhyung