On Tuesday, November 05, 2013 3:14:22 pm Oliver Pinter wrote: > hmm, and seems like, the bottleneck are not in geom or cam, but in em > driver or in networking stack > > the scenario is: > > A machine: dd if=/dev/ada1 bs=1M | nc -l 9999 > B machine: nc IP 9999 | dd of=/dev/null bs=1M > > hmm, when dd-ing from /dev/zero and switch back to idletick to 0, then > the performance of network dropped from 113MByte/s to 70+/-15 MByte/s > > machdep.idle_mwait=1/0 has no effect > machdep.idle=htl has no effect
machdep.idle=hlt is the same thing as only using C1 (C1 is just the 'hlt' instruction). Try machdep.idle=spin perhaps? -- John Baldwin _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
