linux-kernel - Re: [PATCH RFC V2 00/10] perf top optimization

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Message-ID: <20170913153819.GL5866@kernel.org>
Date:   Wed, 13 Sep 2017 12:38:19 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     "Liang, Kan" <kan.liang@...el.com>
Cc:     "peterz@...radead.org" <peterz@...radead.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jolsa@...nel.org" <jolsa@...nel.org>,
        "namhyung@...nel.org" <namhyung@...nel.org>,
        "Hunter, Adrian" <adrian.hunter@...el.com>,
        "Odzioba, Lukasz" <lukasz.odzioba@...el.com>,
        "ak@...ux.intel.com" <ak@...ux.intel.com>
Subject: Re: [PATCH RFC V2 00/10] perf top optimization

Em Wed, Sep 13, 2017 at 03:29:44PM +0000, Liang, Kan escreveu:
> > 
> > Em Sun, Sep 10, 2017 at 07:23:13PM -0700, kan.liang@...el.com escreveu:
> > 
> > So I got the first two patches already merged, and made some comments
> > about the other patches, please check those,
> > 
> 
> Thanks for the review Arnaldo.
> 
> I will take a close look for the comments. 
> For the next version, I only need to include patch 3-10, correct?

Right, and go from my perf/core branch. The hashtable patch is still not
there as I am running tests before pushing out, but it should be there
later today.

Thanks!

- Arnaldo
 
> 
> Thanks,
> Kan
> 
> > Thanks,
> > 
> > - Arnaldo
> > 
> > > Changes since V1:
> > >  - Patch 1: machine threads and hashtable related renaming (Arnaldo)
> > >  - Patch 6: use a smaller locked section for comm_str__put
> > >    add a locked wrapper for comm_str__findnew              (Arnaldo)
> > >
> > > Kan Liang (10):
> > >   perf tools: hashtable for machine threads
> > >   perf tools: using scandir to replace readdir
> > >   petf tools: using comm_str to replace comm in hist_entry
> > >   petf tools: introduce a new function to set namespaces id
> > >   perf tools: lock to protect thread list
> > >   perf tools: lock to protect comm_str rb tree
> > >   perf tools: change machine comm_exec type to atomic
> > >   perf top: implement multithreading for perf_event__synthesize_threads
> > >   perf top: add option to set the number of thread for event synthesize
> > >   perf top: switch back to overwrite mode
> > >
> > >  tools/perf/builtin-kvm.c              |   3 +-
> > >  tools/perf/builtin-record.c           |   2 +-
> > >  tools/perf/builtin-top.c              |   9 +-
> > >  tools/perf/builtin-trace.c            |  21 +++--
> > >  tools/perf/tests/mmap-thread-lookup.c |   2 +-
> > >  tools/perf/ui/browsers/hists.c        |   2 +-
> > >  tools/perf/util/comm.c                |  18 +++-
> > >  tools/perf/util/event.c               | 149 +++++++++++++++++++++++++-------
> > >  tools/perf/util/event.h               |  14 ++-
> > >  tools/perf/util/evlist.c              |   5 +-
> > >  tools/perf/util/hist.c                |  11 +--
> > >  tools/perf/util/machine.c             | 158 +++++++++++++++++++++-------------
> > >  tools/perf/util/machine.h             |  34 ++++++--
> > >  tools/perf/util/rb_resort.h           |   5 +-
> > >  tools/perf/util/sort.c                |   8 +-
> > >  tools/perf/util/sort.h                |   2 +-
> > >  tools/perf/util/thread.c              |  68 ++++++++++++---
> > >  tools/perf/util/thread.h              |   6 +-
> > >  tools/perf/util/top.h                 |   1 +
> > >  19 files changed, 376 insertions(+), 142 deletions(-)
> > >
> > > --
> > > 2.5.5