| Message ID | 20230405-topic-master_stats-v1-0-1b1fa2739953@linaro.org |
|---|---|
| Headers | show |
| Series | Introduce RPM Master stats | expand |
On Wed, 05 Apr 2023 17:01:35 +0200, Konrad Dybcio wrote: > The RPM MSG RAM contains per-RPM-master (e.g. APPS, ADSP etc.) sleep > statistics. They let one assess which core is actively preventing the > system from entering a true low-power mode. > > Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> > --- > .../bindings/soc/qcom/rpm-master-stats.yaml | 53 ++++++++++++++++++++++ > 1 file changed, 53 insertions(+) > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' on your patch (DT_CHECKER_FLAGS is new in v5.13): yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/qcom/rpm-master-stats.yaml: properties:compatible: [{'const': 'qcom,rpm-master-stats'}] is not of type 'object', 'boolean' from schema $id: http://json-schema.org/draft-07/schema# /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/soc/qcom/rpm-master-stats.yaml: ignoring, error in schema: properties: compatible Documentation/devicetree/bindings/soc/qcom/rpm-master-stats.example.dtb: /example-0/stats: failed to match any schema with compatible: ['qcom,rpm-master-stats'] doc reference errors (make refcheckdocs): See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230405-topic-master_stats-v1-1-1b1fa2739953@linaro.org The base for the series is generally the latest rc1. A different dependency should be noted in *this* patch. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit after running the above command yourself. Note that DT_SCHEMA_FILES can be set to your schema file to speed up checking your schema. However, it must be unset to test all examples with your schema.
The RPM MSG ram includes per-subsystem low-power mode entry/exit/ residence/etc. statistics which are very useful for trying to debug what I'd call "SoC insomnia", or IOW the plaftorm refusing to drop the voltage rails to a minimum and gate the non-critical clocks. This series adds a very short and simple driver to query that data and expose it through debugfs. The base used for writing this driver is: https://github.com/sonyxperiadev/kernel/blob/aosp/LA.UM.9.14.r1/drivers/soc/qcom/rpm_master_stat.c Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> --- Konrad Dybcio (2): dt-bindings: soc: qcom: Add RPM Master stats soc: qcom: Introduce RPM master stats driver .../bindings/soc/qcom/rpm-master-stats.yaml | 53 +++++++ drivers/soc/qcom/Kconfig | 11 ++ drivers/soc/qcom/Makefile | 1 + drivers/soc/qcom/rpm_master_stats.c | 160 +++++++++++++++++++++ 4 files changed, 225 insertions(+) --- base-commit: 8417c8f5007bf4567ccffda850a3157c7d905f67 change-id: 20230405-topic-master_stats-ba201a9af93d Best regards,