CONFIG_DMA_MAP_BENCHMARK: Enable benchmarking of streaming DMA mapping

General informations

The Linux kernel configuration item CONFIG_DMA_MAP_BENCHMARK:

• prompt: Enable benchmarking of streaming DMA mapping
• type: bool
• depends on: CONFIG_DEBUG_FS
• defined in kernel/dma/Kconfig
• found in Linux kernels: 5.11–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Provides /sys/kernel/debug/dma_map_benchmark that helps with testing performance of dma_(un)map_page.

See tools/testing/selftests/dma/dma_map_benchmark.c

Hardware

LKDDb

Raw data from LKDDb:

• lkddb platform "dma_map_benchmark" : CONFIG_DMA_MAP_BENCHMARK : kernel/dma/map_benchmark.c # in 5.11–5.19, 6.0–6.8, 6.9-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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