linux-kernel - RE: [PATCH v4 0/4] cn10k DDR Performance monitor support

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Message-ID: <CO6PR18MB4465BC28C193E2CF9954B251E3B69@CO6PR18MB4465.namprd18.prod.outlook.com>
Date:   Tue, 12 Oct 2021 08:01:00 +0000
From:   Bharat Bhushan <bbhushan2@...vell.com>
To:     Bharat Bhushan <bbhushan2@...vell.com>,
        "will@...nel.org" <will@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bhaskara Budiredla <bbudiredla@...vell.com>
Subject: RE: [PATCH v4 0/4] cn10k DDR Performance monitor support

Adding Bhaskara

> -----Original Message-----
> From: Bharat Bhushan <bbhushan2@...vell.com>
> Sent: Monday, September 20, 2021 10:38 AM
> To: will@...nel.org; mark.rutland@....com; robh+dt@...nel.org; linux-arm-
> kernel@...ts.infradead.org; devicetree@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Cc: Bharat Bhushan <bbhushan2@...vell.com>
> Subject: [PATCH v4 0/4] cn10k DDR Performance monitor support
> 
> This patch series adds DDR performance monitor support on Marvell cn10k
> series of processor.
> 
> First patch adds device tree binding changes.
> Second patch add basic support (without overflow and event ownership). Third
> and fourth patch adds overflow and event ownership respectively.
> 
> Seems like 4th patch can be merged in second patch, For easy review it is
> currently separate
> 
> v3->v4:
>  - Added Rob Herring reviewed-by for dt-binding patch
> 
> v2->v3:
>  - dt-binding, ddrcpmu@1 -> pmu@...1c0000000
>  - Add COMPILE_TEST as a dependency
>  - Switch to sysfs_emit()
>  - Error propagation when invalif event requested
>  - Switch to devm_platform_get_and_ioremap_resource()
>  - Other review comments on v2.
> 
> v1->v2:
>  - DT binding changed to new DT Schema
>  - writeq/readq changed to respective relaxed
>  - Using PMU_EVENT_ATTR_ID
> 
> Bharat Bhushan (4):
>   dt-bindings: perf: marvell: cn10k ddr performance monitor
>   perf/marvell: CN10k DDR performance monitor support
>   perf/marvell: cn10k DDR perfmon event overflow handling
>   perf/marvell: cn10k DDR perf event core ownership
> 
>  .../bindings/perf/marvell-cn10k-ddr.yaml      |  37 +
>  drivers/perf/Kconfig                          |   7 +
>  drivers/perf/Makefile                         |   1 +
>  drivers/perf/marvell_cn10k_ddr_pmu.c          | 756 ++++++++++++++++++
>  include/linux/cpuhotplug.h                    |   1 +
>  5 files changed, 802 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/perf/marvell-cn10k-
> ddr.yaml
>  create mode 100644 drivers/perf/marvell_cn10k_ddr_pmu.c
> 
> --
> 2.17.1