Re: [PATCH v7 0/3] dma-mapping: benchmark: Add support for dma_map_sg

From: Qinxin Xia

Date: Sat Mar 07 2026 - 02:47:28 EST




On 2026/3/6 16:50:56, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote:
dma mapping benchmark(SG_MODE): threads:8 seconds:30 node:-1 dir:FROM_DEVICE granule/sg_nents: 8
average map latency(us):1.4 standard deviation:0.3
average unmap latency(us):1.3 standard deviation:0.3
[root@localhost]# ./dma_map_benchmark -m 0 -g 8 -t 8 -s 30 -d 2
dma mapping benchmark(SINGLE_MODE): threads:8 seconds:30 node:-1 dir:FROM_DEVICE granule/sg_nents: 8
average map latency(us):1.0 standard deviation:0.3
average unmap latency(us):1.3 standard deviation:0.5
Applied to dma-mapping-next. Thanks! Next time please CC: me directly.
Thank you for applying the patch. I apologize for not CC-ing you
directly earlier; I'll make sure to do so next time.:-)

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Thanks,
Qinxin