Michael van Elst a écrit : > On Fri, Feb 05, 2021 at 01:49:12PM +0100, BERTRAND Joël wrote: >> >> First test : CPUfreq=3400 MHz >> legendre# dd if=/dev/zero of=/dev/sd1 bs=1m count=10000 >> 10000+0 records in >> 10000+0 records out >> 10485760000 bytes transferred in 71.937 secs (145763098 bytes/sec) >> >> Second one : estd is kept with its standard configuration. >> CPUfreq seems to stay at 800 MHz. >> legendre# dd if=/dev/zero of=/dev/sd1 bs=1m count=10000 >> 10000+0 records in >> 10000+0 records out >> 10485760000 bytes transferred in 79.456 secs (131969391 bytes/sec) > > Again, don't use the block devices for testing with dd. Use the > block devices only for mounting a filesystem. >
I beg your pardon, I have forgotten. But even if dd is done over block device, throughput is correct without network.