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Message-ID: <YdyAuTeFjF8n8lyv@kernel.org>
Date:   Mon, 10 Jan 2022 15:53:45 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     John Garry <john.garry@...wei.com>,
        Andi Kleen <ak@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Kajol Jain <kjain@...ux.ibm.com>,
        "Paul A . Clarke" <pc@...ibm.com>,
        Riccardo Mancini <rickyman7@...il.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Vineet Singh <vineet.singh@...el.com>,
        James Clark <james.clark@....com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, zhengjun.xing@...el.com,
        eranian@...gle.com
Subject: Re: [PATCH v4 02/48] perf stat: Add aggr creators that are passed a
 cpu.

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@...wei.com> 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@google.com/
> > 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@...lbox perf]$ b4 am -ctsl --cc-trailers CAP-5=fWT_19OfZTTjvLUcChV4nDwqc5Zq4VE93Gak6OO4NORsA@...l.gmail.com
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@...wei.com>
    + Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
    + Link: https://lore.kernel.org/r/20220105061351.120843-2-irogers@google.com
<BIG SNIP>
Cover: ./v4_20220104_irogers_refactor_perf_cpumap.cover
 Link: https://lore.kernel.org/r/20220105061351.120843-1-irogers@google.com
 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

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