Messages in this thread | | | Date | Wed, 16 Nov 2022 10:12:05 +0100 | From | Neil Armstrong <> | Subject | Re: [PATCH v10 1/2] perf/amlogic: Add support for Amlogic meson G12 SoC DDR PMU driver |
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On 16/11/2022 01:31, Jiucheng Xu wrote: > This patch adds support Amlogic meson G12 series SoC > DDR bandwidth PMU driver framework and interfaces. > > The PMU not only can monitor the total DDR bandwidth, > but also the bandwidth which is from individual IP module. > > 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. > > Signed-off-by: Jiucheng Xu <jiucheng.xu@amlogic.com> > Tested-by: Chris Healy <healych@amzon.com> > ---
Why did you drop the bindings patch ? I only applied the DT patch.
Neil
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