Messages in this thread | | | From | Joakim Zhang <> | Subject | [PATCH V1 RESEND 0/3] perf/imx_ddr: Add system PMU support | Date | Tue, 12 May 2020 15:31:12 +0800 |
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The patch set adds system PMU support for i.MX8 DDR Perf.
The sysfs location for userspace to get the PMU identifier under the directory: /sys/bus/event_source/devices/<PMU DEVICE>/identifier
Joakim Zhang (3): perf/imx_ddr: Add system PMU identifier for userspace bindings/perf/imx-ddr: update compatible string arch: arm64: imx8mq/m/n: remove unused compatible string
.../devicetree/bindings/perf/fsl-imx-ddr.txt | 4 +- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 +- drivers/perf/fsl_imx8_ddr_perf.c | 45 +++++++++++++++++-- 5 files changed, 48 insertions(+), 7 deletions(-)
-- 2.17.1
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