diff options
Diffstat (limited to 'kernel/dma/Kconfig')
| -rw-r--r-- | kernel/dma/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index 43d106598e82..ba50d4588bc5 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -229,3 +229,12 @@ config DMA_API_DEBUG_SG is technically out-of-spec. If unsure, say N. + +config DMA_MAP_BENCHMARK + bool "Enable benchmarking of streaming DMA mapping" + depends on DEBUG_FS + help + 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 |