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The Arm NI-700 Network-on-Chip Interconnect has a relatively straightforward design with a hierarchy of voltage, power, and clock domains, where each clock domain then contains a number of interface units and a PMU which can monitor events thereon. As such, it begets a relatively straightforward driver to interface those PMUs with perf. Even more so than with arm-cmn, users will require detailed knowledge of the wider system topology in order to meaningfully analyse anything, since the interconnect itself cannot know what lies beyond the boundary of each inscrutably-numbered interface. Given that, for now they are also expected to refer to the NI-700 documentation for the relevant event IDs to provide as well. An identifier is implemented so we can come back and add jevents if anyone really wants to. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/9933058d0ab8138c78a61cd6852ea5d5ff48e393.1725470837.git.robin.murphy@arm.com Signed-off-by: Will Deacon <will@kernel.org> |
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| .. | ||
| alibaba_pmu.rst | ||
| ampere_cspmu.rst | ||
| arm_dsu_pmu.rst | ||
| arm-ccn.rst | ||
| arm-cmn.rst | ||
| arm-ni.rst | ||
| cxl.rst | ||
| dwc_pcie_pmu.rst | ||
| hisi-pcie-pmu.rst | ||
| hisi-pmu.rst | ||
| hns3-pmu.rst | ||
| imx-ddr.rst | ||
| index.rst | ||
| meson-ddr-pmu.rst | ||
| nvidia-pmu.rst | ||
| qcom_l2_pmu.rst | ||
| qcom_l3_pmu.rst | ||
| starfive_starlink_pmu.rst | ||
| thunderx2-pmu.rst | ||
| xgene-pmu.rst | ||