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

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Message-ID: <20170913152506.GK5866@kernel.org>
Date:   Wed, 13 Sep 2017 12:25:06 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     kan.liang@...el.com
Cc:     peterz@...radead.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org, jolsa@...nel.org,
        namhyung@...nel.org, adrian.hunter@...el.com,
        lukasz.odzioba@...el.com, ak@...ux.intel.com
Subject: Re: [PATCH RFC V2 00/10] perf top optimization

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,

- 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