Re: [PATCH v10 1/2] perf/amlogic: Add support for Amlogic meson G12 SoC DDR PMU driver

[Jiucheng Xu]

> What about this description below?
>
> ```
> Add support for Amlogic Meson G12 Series SOC - DDR bandwidth PMU driver
> framework and interfaces. The PMU can not only monitor the total DDR
> bandwidth, but also individual IP module bandwidth.
> ```
Thanks, Your description looks like much better. I agree with you.
> > Example usage:
> >
> >   $ perf stat -a -e meson_ddr_bw/total_rw_bytes/ -I 1000 sleep 10
> >
> > - or -
> >
> >   $ perf stat -a -e \
> >     meson_ddr_bw/total_rw_bytes/,\
> >     meson_ddr_bw/chan_1_rw_bytes,arm=1/ -I 1000 \
> >     sleep 10
> >
> > g12 SoC support 4 channels to monitor DDR bandwidth
> > simultaneously. Each channel can monitor up to 4 IP modules
> > simultaneously.
> >
> > For Instance, If you want to get the sum of DDR bandwidth
> > from CPU, GPU, USB3.0 and VDEC. You can use the following
> > command parameters to display.
> >
> >   $ perf stat -a -e \
> >     meson_ddr_bw/chan_2_rw_bytes,arm=1,gpu=1,usb3_0=1,nna=1/ -I 1000 \
> >     sleep 10
> >
> > Other events are supported, and advertised via perf list.
> The demo example should have been outside the patch description, though
> (more appropriate documentation as in patch [2/2]).
>
> Thanks.
Okay, I will modify it in the next version.

--
Thanks,
Jiucheng