linux-kernel - RE: [PATCH v4 2/4] perf/marvell: CN10k DDR performance monitor support

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Date:   Tue, 12 Oct 2021 09:16:13 +0000
From:   Bhaskara Budiredla <bbudiredla@...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>
Subject: RE: [PATCH v4 2/4] perf/marvell: CN10k DDR performance monitor
 support


[...]

>>
>> v2->v3:
>>  - Add COMPILE_TEST as a dependency

This is missing.

>>  - 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:
>>   - writeq/readq changed to respective relaxed version
>>   - Using PMU_EVENT_ATTR_ID
>>
>>  drivers/perf/Kconfig                 |   7 +
>>  drivers/perf/Makefile                |   1 +
>>  drivers/perf/marvell_cn10k_ddr_pmu.c | 599
>> +++++++++++++++++++++++++++
>>  3 files changed, 607 insertions(+)
>>  create mode 100644 drivers/perf/marvell_cn10k_ddr_pmu.c
>>
>> diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig index
>> 77522e5efe11..41a80a4b8d29 100644
>> --- a/drivers/perf/Kconfig
>> +++ b/drivers/perf/Kconfig
>> @@ -139,4 +139,11 @@ config ARM_DMC620_PMU
>>
>>  source "drivers/perf/hisilicon/Kconfig"
>>
>> +config MARVELL_CN10K_DDR_PMU
>> +	tristate "Enable MARVELL CN10K DRAM Subsystem(DSS) PMU
>Support"
>> +	depends on ARM64
>> +	help
>> +	  Enable perf support for Marvell DDR Performance monitoring
>> +	  event on CN10K platform.
>> +
>>  endmenu