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

[liuqi (BA)]

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 at huawei.com>
> 
> Reviewed-by: John Garry <john.garry at 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
> 
> .