test patch D51688
patch link: D51688
Contents
testbed design
vm-public
bridge0
|
+------+------+
| |
re0 tap0
physical NIC n2fbsd16
test result
This is the result of 20 tests by running iperf3 from the VM n2fbsd16 to the host n2 below.
iperf3 -c n2 -V
root@n2fbsd16:~/openSRC/tests/test_D51688 # cat before_patch/before_patch.txt
dev.vtnet.0.txq0.rescheduled: 0
dev.vtnet.0.txq0.tso: 0
dev.vtnet.0.txq0.csum: 0 << checksum is disabled before the patch
dev.vtnet.0.txq0.omcasts: 9
dev.vtnet.0.txq0.obytes: 92261357867
dev.vtnet.0.txq0.opackets: 60951020
root@n2fbsd16:~/openSRC/tests/test_D51688 # cat after_patch/after_patch.txt
dev.vtnet.0.txq0.rescheduled: 0
dev.vtnet.0.txq0.tso: 0
dev.vtnet.0.txq0.csum: 63005751 << checksum is enabled after the patch
dev.vtnet.0.txq0.omcasts: 8
dev.vtnet.0.txq0.obytes: 95382540397
dev.vtnet.0.txq0.opackets: 63005768
root@n2fbsd16:~/openSRC/tests/test_D51688 # ministat before_patch/avg_snd_thruput.txt after_patch/avg_snd_thruput.txt
x before_patch/avg_snd_thruput.txt
+ after_patch/avg_snd_thruput.txt
+-----------------------------------------------------------------------------------------------------------------------------------------+
|x x x + + |
|x x x x x x + + + + + + + |
|x x x x x x x * * + + + + + + + + +|
| |________M_A___________| |________________M___A_____________________| |
+-----------------------------------------------------------------------------------------------------------------------------------------+
N Min Max Median Avg Stddev
x 20 3.48 3.59 3.515 3.5235 0.034984959
+ 20 3.58 3.89 3.625 3.638 0.065662615
Difference at 95.0% confidence
0.1145 +/- 0.0336725
3.24961% +/- 0.962607%
(Student's t, pooled s = 0.0526095)
root@n2fbsd16:~/openSRC/tests/test_D51688 #