linux dd写文件速度

u-boot fusing
540+1 records in
540+1 records out
276932 bytes (277 kB) copied, 1.49361 s, 185 kB/s
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TrustZone S/W fusing
184+0 records in
184+0 records out
94208 bytes (94 kB) copied, 0.660466 s, 143 kB/s
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kernel fusing
9342+1 records in
9342+1 records out
4783592 bytes (4.8 MB) copied, 28.9574 s, 165 kB/s
---------------------------------------
ramdisk fusing
1974+1 records in
1974+1 records out
1010850 bytes (1.0 MB) copied, 6.14088 s, 165 kB/s
---------------------------------------
rootfs fusing
456177+1 records in
456177+1 records out

233562660 bytes (234 MB) copied, 1634.73 s, 143 kB/s

234M/1634=0.14m/s

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