Re: [PATCH v4 02/48] perf stat: Add aggr creators that are passed a cpu.

From: Arnaldo Carvalho de Melo
Date: Mon Jan 10 2022 - 13:53:53 EST


Em Mon, Jan 10, 2022 at 03:52:11PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Jan 10, 2022 at 09:36:49AM -0800, Ian Rogers escreveu:
> > On Mon, Jan 10, 2022 at 9:10 AM John Garry <john.garry@xxxxxxxxxx> wrote:
> > >
> > > On 05/01/2022 06:13, Ian Rogers wrote:
> > > >
> > > > +struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx,
> > > > + void *data)
> > > > +{
> > > > + if (idx < 0 || idx > map->nr)
> > > > + return cpu_map__empty_aggr_cpu_id();
> > > > +
> > > > + return cpu_map__get_socket_aggr_by_cpu(map->map[idx], data);
> > > > +}
> > > > +
> > >
> > >
> > > This is later deleted in the series. Can the series be reworked so that
> > > we don't add stuff and then later delete it? One reason for that
> > > approach is that we don't spend time reviewing something which will be
> > > deleted, especially in such a big series...
> >
> > Hi John,
> >
> > I think you are asking to squash:
> > https://lore.kernel.org/lkml/20220105061351.120843-8-irogers@xxxxxxxxxx/
> > into this change. There are other similar related changes that may
> > also be squashed. The changes are trying to introduce a new API and
> > then add changes to switch over to using it. This is with a view to
> > making bisection easier, have each change only do 1 thing and so on. I
> > believe the format of the patches is house style, but it is fine to
> > squash changes together too. Having sent patches to Arnaldo and having
> > had them split I'm reluctant to do a v5 with them squashed without him
> > expressing a preference.
>
> Right, sometimes this is needed, I'm getting the patchkit now to test
> build it in my containers and will go patch by patch reviewing.

Good start:

⬢[acme@toolbox perf]$ b4 am -ctsl --cc-trailers CAP-5=fWT_19OfZTTjvLUcChV4nDwqc5Zq4VE93Gak6OO4NORsA@xxxxxxxxxxxxxx
Looking up https://lore.kernel.org/r/CAP-5%3DfWT_19OfZTTjvLUcChV4nDwqc5Zq4VE93Gak6OO4NORsA%40mail.gmail.com
Grabbing thread from lore.kernel.org/all/CAP-5%3DfWT_19OfZTTjvLUcChV4nDwqc5Zq4VE93Gak6OO4NORsA%40mail.gmail.com/t.mbox.gz
Checking for newer revisions on https://lore.kernel.org/all/
Analyzing 58 messages in the thread
Checking attestation on all messages, may take a moment...
---
✓ [PATCH v4 1/48] libperf: Add comments to perf_cpu_map.
+ Reviewed-by: John Garry <john.garry@xxxxxxxxxx>
+ Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
+ Link: https://lore.kernel.org/r/20220105061351.120843-2-irogers@xxxxxxxxxx
<BIG SNIP>
Cover: ./v4_20220104_irogers_refactor_perf_cpumap.cover
Link: https://lore.kernel.org/r/20220105061351.120843-1-irogers@xxxxxxxxxx
Base: applies clean to current tree
git checkout -b v4_20220104_irogers_google_com HEAD
git am ./v4_20220104_irogers_refactor_perf_cpumap.mbx

:-)

- Arnaldo