Messages in this thread | | | From | Zhang Rui <> | Subject | [PATCH 0/3] driver/tool fix for SPR Dram RAPL Domain | Date | Sat, 24 Sep 2022 13:47:35 +0800 |
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Intel Xeon servers used to use a fixed energy resolution (15.3uj) for Dram RAPL domain, starting from HasWell-X.
But on SPR, this changes. The Dram RAPL domain uses 61uj energy resolution, which follows the standard energy resolution as described in MSR_RAPL_POWER_UNIT.
There are a couple of places that have implemented the energy unit quirk for SPR Dram RAPL domain, including intel-rapl driver, rapl perf pmu and the turbostat tool.
This patch series fixes them all, although they belong to different components.
thanks, rui
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