linux-kernel - Re: [PATCH 00/12] Add the page size in the perf record (user tools)

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Message-ID: <CAM9d7cjDQ8a2dACaShZikOTXnUFww_4dtJN8hB32RHOOvrsfyQ@mail.gmail.com>
Date:   Tue, 24 Nov 2020 15:47:06 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Kan Liang <kan.liang@...ux.intel.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Stephane Eranian <eranian@...gle.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>, will@...nel.org,
        Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH 00/12] Add the page size in the perf record (user tools)

Hi,

On Wed, Nov 18, 2020 at 4:57 AM <kan.liang@...ux.intel.com> wrote:
>
> From: Kan Liang <kan.liang@...ux.intel.com>
>
> Current perf can report both virtual addresses and physical addresses,
> but not the page size. Without the page size information of the utilized
> page, users cannot decide whether to promote/demote large pages to
> optimize memory usage.
>
> The kernel patches have been merged into tip perf/core branch,
> commit 8d97e71811aa ("perf/core: Add PERF_SAMPLE_DATA_PAGE_SIZE")
> commit 76a5433f95f3 ("perf/x86/intel: Support PERF_SAMPLE_DATA_PAGE_SIZE")
> commit 4cb6a42e4c4b ("powerpc/perf: Support PERF_SAMPLE_DATA_PAGE_SIZE")
> commit 995f088efebe ("perf/core: Add support for PERF_SAMPLE_CODE_PAGE_SIZE")
> commit 51b646b2d9f8 ("perf,mm: Handle non-page-table-aligned hugetlbfs")
>
> and Peter's perf/core branch
> commit 524680ce47a1 ("mm/gup: Provide gup_get_pte() more generic")
> commit 44a35d6937d2 ("mm: Introduce pXX_leaf_size()")
> commit 2f1e2f091ad0 ("perf/core: Fix arch_perf_get_page_size()")
> commit 7649e44aacdd ("arm64/mm: Implement pXX_leaf_size() support")
> commit 1df1ae7e262c ("sparc64/mm: Implement pXX_leaf_size() support")
>
> This patch set is to enable the page size support in user tools.
>
> Kan Liang (8):
>   tools headers UAPI: Update tools's copy of linux/perf_event.h
>   perf record: Support new sample type for data page size
>   perf script: Support data page size
>   perf sort: Add sort option for data page size
>   perf mem: Factor out a function to generate sort order
>   perf mem: Clean up output format
>   perf mem: Support data page size
>   perf test: Add test case for PERF_SAMPLE_DATA_PAGE_SIZE
>
> Stephane Eranian (4):
>   perf tools: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
>   perf script: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
>   perf report: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
>   perf test: Add test case for PERF_SAMPLE_CODE_PAGE_SIZE

For the patchset:

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung

>
>  tools/include/uapi/linux/perf_event.h     |   6 +-
>  tools/perf/Documentation/perf-mem.txt     |   3 +
>  tools/perf/Documentation/perf-record.txt  |   6 +
>  tools/perf/Documentation/perf-report.txt  |   2 +
>  tools/perf/Documentation/perf-script.txt  |   5 +-
>  tools/perf/builtin-mem.c                  | 150 ++++++++++++----------
>  tools/perf/builtin-record.c               |   4 +
>  tools/perf/builtin-script.c               |  26 +++-
>  tools/perf/tests/sample-parsing.c         |  10 +-
>  tools/perf/util/event.h                   |   5 +
>  tools/perf/util/evsel.c                   |  18 +++
>  tools/perf/util/hist.c                    |   5 +
>  tools/perf/util/hist.h                    |   2 +
>  tools/perf/util/machine.c                 |   7 +-
>  tools/perf/util/map_symbol.h              |   1 +
>  tools/perf/util/perf_event_attr_fprintf.c |   2 +-
>  tools/perf/util/record.h                  |   2 +
>  tools/perf/util/session.c                 |  26 ++++
>  tools/perf/util/sort.c                    |  56 ++++++++
>  tools/perf/util/sort.h                    |   3 +
>  tools/perf/util/synthetic-events.c        |  16 +++
>  21 files changed, 278 insertions(+), 77 deletions(-)
>
> --
> 2.17.1
>