non patched kernel perf stat
─
[ 3] local 10.13.0.4 port 36554 connected with 104.40.129.48 port 8042
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-377.9 sec 100 MBytes 0.26 MBytes/sec
Performance counter stats for 'iperf -c 104.40.129.48 -f M -p 8042 -n
100M':
452.813718 task-clock (msec) # 0.001 CPUs utilized
38287 context-switches # 0.085 M/sec
11 cpu-migrations # 0.024
K/sec
151 page-faults # 0.333
K/sec
0 cycles #
0.000 GHz
0 stalled-cycles-frontend # 0.00%
frontend cycles idle
0 stalled-cycles-backend # 0.00% backend
cycles idle
0 instructions
0 branches #
0.000 K/sec
0 branch-misses # 0.000
K/sec
377.932572800 seconds time elapsed
######################################################
patched kernel perf stat
[ 3] local 10.23.0.4 port 45723 connected with 40.115.34.62 port 8042
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 0.9 sec 100 MBytes 106 MBytes/sec
Performance counter stats for 'iperf -c 40.115.34.62 -f M -p 8042 -n
100M':
30.442426 task-clock (msec) # 0.031 CPUs
utilized
206 context-switches # 0.007 M/sec
3 cpu-migrations # 0.099
K/sec
154 page-faults # 0.005
M/sec
0 cycles #
0.000 GHz
0 stalled-cycles-frontend # 0.00% frontend
cycles idle
0 stalled-cycles-backend # 0.00% backend
cycles idle
0 instructions
0 branches #
0.000 K/sec
0 branch-misses # 0.000
K/sec
0.997563300 seconds time elapsed
######################################################
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1521053
Title:
Network Performance dropping between vms on different location in
Azure
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1521053/+subscriptions
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