Messages in this thread | | | Date | Thu, 30 Jun 2022 09:26:19 -0500 | From | Bjorn Andersson <> | Subject | Re: [PATCH v5 1/4] dt-bindings: interconnect: qcom,msm8998-cpu-bwmon: add BWMON device |
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On Wed 29 Jun 06:21 CDT 2022, Rajendra Nayak wrote:
> > > This BWMON device sits between > > CPU and Last Level Cache Controller. > > []... > > > +properties: > > + compatible: > > + oneOf: > > + - items: > > + - enum: > > + - qcom,sdm845-cpu-bwmon > > should this be qcom,sdm845-llcc-bwmon instead since it actually > tells us the llcc bw values? > That way perhaps the other one between llcc and DDR can be > qcom,sdm845-ddr-bwmon. >
My understanding is that this bwmon instance measures the data throughput on the CPU subsystem-ports and that the bwmon5 instance measures the traffic from the memnoc towards LLCC and DDR.
Which matches the downstream naming of bwmon4 == cpu, bwmon5 == llcc.
Regards, Bjorn
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