linux-kernel - Re: [PATCH v12 0/3] Add perf support for HiSilicon PCIe Tune and Trace device

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Date:   Fri, 9 Sep 2022 14:22:22 +0800
From:   Yicong Yang <yangyicong@...wei.com>
To:     <acme@...nel.org>, <peterz@...radead.org>,
        <alexander.shishkin@...ux.intel.com>, <leo.yan@...aro.org>,
        <james.clark@....com>, <will@...nel.org>,
        <mathieu.poirier@...aro.org>, <mark.rutland@....com>,
        <suzuki.poulose@....com>, <jonathan.cameron@...wei.com>,
        <john.garry@...wei.com>, <mike.leach@...aro.org>
CC:     <yangyicong@...ilicon.com>, <gregkh@...uxfoundation.org>,
        <helgaas@...nel.org>, <lorenzo.pieralisi@....com>,
        <shameerali.kolothum.thodi@...wei.com>, <mingo@...hat.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-pci@...r.kernel.org>, <linux-perf-users@...r.kernel.org>,
        <prime.zeng@...wei.com>, <zhangshaokun@...ilicon.com>,
        <linuxarm@...wei.com>
Subject: Re: [PATCH v12 0/3] Add perf support for HiSilicon PCIe Tune and
 Trace device

Hi Perf maintainers,

A gentle ping for this. Since the driver part has been accepted, hope the
corresponding perf part can catch this kernel version as well.

Thanks!

On 2022/8/16 20:57, Yicong Yang wrote:
> From: Yicong Yang <yangyicong@...ilicon.com>
> 
> This patchset adds the perf tool support for HiSilicon PCIe Tune and Trace
> device [1]. The device driver makes use of perf AUX trace for tracing
> TLP(Transaction Layer Packet) headers of PCIe. The trace can be used by
> `perf record` and the traced data can be decoded by `perf report` with
> this patchset. The detailed usage is documented in [1].
> 
> This is split from the v11 series as suggested to send driver part and
> perf tool part separately. The perf tool part has no change since v11.
> The whole changelog can be found at [2].
> 
> [1] https://lore.kernel.org/lkml/20220816114414.4092-5-yangyicong@huawei.com/
> [2] https://lore.kernel.org/lkml/20220816114414.4092-1-yangyicong@huawei.com/
> 
> Qi Liu (3):
>   perf tool: arm: Refactor event list iteration in
>     auxtrace_record__init()
>   perf tool: Add support for HiSilicon PCIe Tune and Trace device driver
>   perf tool: Add support for parsing HiSilicon PCIe Trace packet
> 
>  tools/perf/arch/arm/util/auxtrace.c           | 116 +++++++++--
>  tools/perf/arch/arm/util/pmu.c                |   3 +
>  tools/perf/arch/arm64/util/Build              |   2 +-
>  tools/perf/arch/arm64/util/hisi-ptt.c         | 188 +++++++++++++++++
>  tools/perf/util/Build                         |   2 +
>  tools/perf/util/auxtrace.c                    |   4 +
>  tools/perf/util/auxtrace.h                    |   1 +
>  tools/perf/util/hisi-ptt-decoder/Build        |   1 +
>  .../hisi-ptt-decoder/hisi-ptt-pkt-decoder.c   | 164 +++++++++++++++
>  .../hisi-ptt-decoder/hisi-ptt-pkt-decoder.h   |  31 +++
>  tools/perf/util/hisi-ptt.c                    | 192 ++++++++++++++++++
>  tools/perf/util/hisi-ptt.h                    |  19 ++
>  12 files changed, 703 insertions(+), 20 deletions(-)
>  create mode 100644 tools/perf/arch/arm64/util/hisi-ptt.c
>  create mode 100644 tools/perf/util/hisi-ptt-decoder/Build
>  create mode 100644 tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c
>  create mode 100644 tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.h
>  create mode 100644 tools/perf/util/hisi-ptt.c
>  create mode 100644 tools/perf/util/hisi-ptt.h
>