By code observation only. Thanks, Liu Ye 在 2025/2/27 05:41, Shuah Khan 写道: > On 2/25/25 18:31, liuye wrote: >> Friendly ping. >> >> 在 2025/2/6 10:12, Liu Ye 写道: >>> dir[directions] should be directions[dir] to correctly index the >>> directions array. >>> >>> Signed-off-by: Liu Ye <liuye@xxxxxxxxxx> >>> --- >>> tools/testing/selftests/dma/dma_map_benchmark.c | 2 +- >>> 1 file changed, 1 insertion(+), 1 deletion(-) >>> >>> diff --git a/tools/testing/selftests/dma/dma_map_benchmark.c b/tools/testing/selftests/dma/dma_map_benchmark.c >>> index b12f1f9babf8..b925756373ce 100644 >>> --- a/tools/testing/selftests/dma/dma_map_benchmark.c >>> +++ b/tools/testing/selftests/dma/dma_map_benchmark.c >>> @@ -118,7 +118,7 @@ int main(int argc, char **argv) >>> } >>> printf("dma mapping benchmark: threads:%d seconds:%d node:%d dir:%s granule: %d\n", >>> - threads, seconds, node, dir[directions], granule); >>> + threads, seconds, node, directions[dir], granule); >>> printf("average map latency(us):%.1f standard deviation:%.1f\n", >>> map.avg_map_100ns/10.0, map.map_stddev/10.0); >>> printf("average unmap latency(us):%.1f standard deviation:%.1f\n", > > How did you find this problem? > > thanks, > -- Shuah > >