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From: "liuqi (BA)" <liuqi115@huawei.com>
To: John Garry <john.garry@huawei.com>, <will@kernel.org>,
	<mark.rutland@arm.com>, <bhelgaas@google.com>
Cc: <linux-pci@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linuxarm@huawei.com>,
	<zhangshaokun@hisilicon.com>
Subject: Re: [PATCH v4 1/2] docs: perf: Add description for HiSilicon PCIe PMU driver
Date: Thu, 20 May 2021 11:22:20 +0800	[thread overview]
Message-ID: <fdee07c8-b8bb-5dd5-a01e-6b6421ad997e@huawei.com> (raw)
In-Reply-To: <b6988fa7-a1e6-90c2-1c76-7795a0bc4c0a@huawei.com>


Hi John,
On 2021/5/19 19:44, John Garry wrote:
> 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@huawei.com>
> 
> Reviewed-by: John Garry <john.garry@huawei.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.
> 

Yes, perf iostat makes it easier for users to monitor PCIe bandwidth. 
I'll add perf iostat for HiSilicon PCIe PMU latter.

Thanks, Qi
> Thanks,
> John
> 
> .


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  reply	other threads:[~2021-05-20  3:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-19  9:48 [PATCH v4 0/2] drivers/perf: hisi: Add support for PCIe PMU Qi Liu
2021-05-19  9:49 ` [PATCH v4 1/2] docs: perf: Add description for HiSilicon PCIe PMU driver Qi Liu
2021-05-19 11:44   ` John Garry
2021-05-20  3:22     ` liuqi (BA) [this message]
2021-05-19  9:49 ` [PATCH v4 2/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU Qi Liu
2021-05-19 11:40   ` John Garry
2021-05-20  3:31     ` liuqi (BA)

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