linux-kernel - Re: [PATCH v1 2/4] perf record: introduce z, mmap-flush options and PERF_RECORD

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Date:   Mon, 14 Jan 2019 11:46:14 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 2/4] perf record: introduce z, mmap-flush options and
 PERF_RECORD_COMPRESSED record

Hi,
On 09.01.2019 19:58, Jiri Olsa wrote:
> On Mon, Dec 24, 2018 at 04:45:21PM +0300, Alexey Budankov wrote:
>>
>> Introduce --compression_level=n, --mmap-flush options and PERF_RECORD_COMPRESSED 
>> event record that contains compressed parts of mmap kernel buffer data.
>>
>> Signed-off-by: Alexey Budankov <alexey.budankov@...ux.intel.com>
>> ---
>>  tools/perf/Documentation/perf-record.txt | 11 +++
>>  tools/perf/builtin-record.c              | 97 ++++++++++++++++++++----
>>  tools/perf/perf.h                        |  2 +
>>  tools/perf/util/env.h                    | 10 +++
>>  tools/perf/util/event.c                  |  1 +
>>  tools/perf/util/event.h                  |  7 ++
>>  tools/perf/util/evlist.c                 |  6 +-
>>  tools/perf/util/evlist.h                 |  2 +-
>>  tools/perf/util/header.c                 | 47 +++++++++++-
>>  tools/perf/util/header.h                 |  1 +
>>  tools/perf/util/mmap.c                   |  4 +-
>>  tools/perf/util/mmap.h                   |  3 +-
>>  12 files changed, 169 insertions(+), 22 deletions(-)
> 
> also I'm getting here similar error (like for the affinity patchset)

Really weird. Hopefully it can be resolved in the next version of the patch set.

Thanks,
Alexey

> 
> [jolsa@...va perf]$ git am /tmp/comp
> Applying: feature: build libzstd feature check, LIBZSTD_DIR and NO_LIBZSTD defines
> Applying: perf record: introduce z, mmap-flush options and PERF_RECORD_COMPRESSED record
> error: corrupt patch at line 526
> Patch failed at 0002 perf record: introduce z, mmap-flush options and PERF_RECORD_COMPRESSED record
> 
> again the raw patch applies correctly:
> 
> [jolsa@...va perf]$ patch -p3 < /tmp/comp2
> patching file Documentation/perf-record.txt
> patching file builtin-record.c
> patching file perf.h
> patching file util/env.h
> patching file util/event.c
> patching file util/event.h
> patching file util/evlist.c
> patching file util/evlist.h
> patching file util/header.c
> patching file util/header.h
> patching file util/mmap.c
> patching file util/mmap.h
> 
> 
> jirka
>