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

[Ian Rogers]

On Mon, Apr 22, 2024 at 1:55 PM Arnaldo Carvalho de Melo
<acme@xxxxxxxxxx> wrote:
>
> On Mon, Apr 22, 2024 at 01:06:46PM -0700, Namhyung Kim wrote:
> > 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>
>
> It is not applying right now, I've just merged with torvalds/master and
> I'm running build tests now, will push to tmp.perf-tools-next right now.

Ok, do you want me to rebase on tmp.perf-tools-next?

Thanks,
Ian

> - Arnaldo