linux-kernel - Re: [RFC v3 0/5] perf tools: Add support for some spe events and precise ip

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Date:   Mon, 2 Dec 2019 15:07:40 +0800
From:   Qi Liu <liuqi115@...ilicon.com>
To:     Tan Xiaojun <tanxiaojun@...wei.com>, <peterz@...radead.org>,
        <mingo@...hat.com>, <acme@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>, <ak@...ux.intel.com>,
        <adrian.hunter@...el.com>, <yao.jin@...ux.intel.com>,
        <tmricht@...ux.ibm.com>, <brueckner@...ux.ibm.com>,
        <songliubraving@...com>, <gregkh@...uxfoundation.org>,
        <kim.phillips@....com>, <James.Clark@....com>,
        <jeremy.linton@....com>
CC:     <gengdongjiu@...wei.com>, <wxf.wang@...ilicon.com>,
        <liwei391@...wei.com>, <huawei.libin@...wei.com>,
        <linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>
Subject: Re: [RFC v3 0/5] perf tools: Add support for some spe events and
 precise ip


Tested-by: Qi Liu <liuqi115@...ilicon.com>


On 2019/11/23 18:11, Tan Xiaojun wrote:
> After the commit ffd3d18c20b8 ("perf tools: Add ARM Statistical
> Profiling Extensions (SPE) support") is merged, "perf record" and
> "perf report --dump-raw-trace" have been supported. However, the
> raw data that is dumped cannot be used without parsing.
> 
> This patchset is to improve the "perf report" support for spe, and
> further process the data. Currently, support for the three events
> of llc-miss, tlb-miss, branch-miss and remote-access is added.
> 
> v1->v2:
> Some cleanup and bugfix fixes were made, and support for the precise
> ip of branch-misses was added. Thanks for the suggestions of Jeremy
> and James.
> 
> v2->v3:
> Mainly add four spe precise ip events, you can see through perf list.
> More details in [5/5].
> 
> Tan Xiaojun (5):
>   perf tools: Move arm-spe-pkt-decoder.h/c to the new dir
>   perf tools: Add support for "report" for some spe events
>   perf report: Add --spe options for arm-spe
>   drivers: perf: add some arm spe events
>   perf tools: Add support to process multi spe events
> 
>  drivers/perf/arm_spe_pmu.c                    |  44 +
>  tools/perf/Documentation/perf-report.txt      |  10 +
>  tools/perf/arch/arm64/util/arm-spe.c          |  47 +-
>  tools/perf/builtin-report.c                   |   5 +
>  tools/perf/util/Build                         |   2 +-
>  tools/perf/util/arm-spe-decoder/Build         |   1 +
>  .../util/arm-spe-decoder/arm-spe-decoder.c    | 225 +++++
>  .../util/arm-spe-decoder/arm-spe-decoder.h    |  66 ++
>  .../arm-spe-pkt-decoder.c                     |   0
>  .../arm-spe-pkt-decoder.h                     |   2 +
>  tools/perf/util/arm-spe.c                     | 771 +++++++++++++++++-
>  tools/perf/util/arm-spe.h                     |  20 +
>  tools/perf/util/auxtrace.c                    |  49 ++
>  tools/perf/util/auxtrace.h                    |  29 +
>  tools/perf/util/session.h                     |   2 +
>  15 files changed, 1231 insertions(+), 42 deletions(-)
>  create mode 100644 tools/perf/util/arm-spe-decoder/Build
>  create mode 100644 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
>  create mode 100644 tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
>  rename tools/perf/util/{ => arm-spe-decoder}/arm-spe-pkt-decoder.c (100%)
>  rename tools/perf/util/{ => arm-spe-decoder}/arm-spe-pkt-decoder.h (96%)
>