linux-kernel - Re: [PATCH v4 1/2] docs: perf: Add description for HiSilicon PCIe PMU driver

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Message-ID: <b6988fa7-a1e6-90c2-1c76-7795a0bc4c0a@huawei.com>
Date:   Wed, 19 May 2021 12:44:00 +0100
From:   John Garry <john.garry@...wei.com>
To:     Qi Liu <liuqi115@...wei.com>, <will@...nel.org>,
        <mark.rutland@....com>, <bhelgaas@...gle.com>
CC:     <linux-pci@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>,
        <zhangshaokun@...ilicon.com>
Subject: Re: [PATCH v4 1/2] docs: perf: Add description for HiSilicon PCIe PMU
 driver

On 19/05/2021 10:49, Qi Liu wrote:
> PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported on
> HiSilicon HIP09 platform. Document it to provide guidance on how to
> use it.
> 
> Signed-off-by: Qi Liu<liuqi115@...wei.com>

Reviewed-by: John Garry <john.garry@...wei.com>

JFYI, perf tool iostat support is in 5.13-rc1, so we can look to add 
support for this HW as well in future.

My impression is that we should use metricgroups.

Thanks,
John