API tools faq
paste
Advertisement
teknoraver

KPTI benchmark

teknoraver
Jan 9th, 2018
339
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Diff 8.85 KB | None | 0 0
raw download clone embed print report
  1. --- kpti_off
  2. +++ kpti_on
  3. @@ -1,122 +1,122 @@
  4. -[KPTI=off]
  5. +[KPTI=on]
  6.  root@turbo:~# dmesg |grep isolation
  7. -[    0.000000] Kernel/User page tables isolation: disabled on command line.
  8. +[    0.000000] Kernel/User page tables isolation: enabled
  9.  
  10.  root@turbo:~# dd if=/dev/zero of=/dev/null bs=1 count=100M
  11.  104857600+0 records in
  12.  104857600+0 records out
  13. -104857600 bytes (105 MB, 100 MiB) copied, 14.1098 s, 7.4 MB/s
  14. +104857600 bytes (105 MB, 100 MiB) copied, 36.855 s, 2.8 MB/s
  15.  root@turbo:~# dd if=/dev/zero of=/dev/null bs=128k count=5M
  16.  5242880+0 records in
  17.  5242880+0 records out
  18. -687194767360 bytes (687 GB, 640 GiB) copied, 40.7162 s, 16.9 GB/s
  19. +687194767360 bytes (687 GB, 640 GiB) copied, 41.8109 s, 16.4 GB/s
  20.  root@turbo:~# dd if=/dev/zero of=/dev/null bs=1M count=500K
  21.  512000+0 records in
  22.  512000+0 records out
  23. -536870912000 bytes (537 GB, 500 GiB) copied, 31.0583 s, 17.3 GB/s
  24. +536870912000 bytes (537 GB, 500 GiB) copied, 31.1779 s, 17.2 GB/s
  25.  
  26.  root@turbo:/tmp# wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.14.12.tar.xz
  27.  root@turbo:/tmp# time unxz -d linux-4.14.12.tar.xz
  28.  
  29. -real    0m4.815s
  30. -user    0m4.675s
  31. -sys     0m0.140s
  32. +real    0m4.827s
  33. +user    0m4.707s
  34. +sys     0m0.120s
  35.  root@turbo:/tmp# time tar xf linux-4.14.12.tar
  36.  
  37. -real    0m0.708s
  38. -user    0m0.080s
  39. -sys     0m0.624s
  40. +real    0m0.709s
  41. +user    0m0.061s
  42. +sys     0m0.646s
  43.  
  44.  root@turbo:/tmp# git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
  45.  root@turbo:/tmp/linux# git checkout v3.10
  46.  root@turbo:/tmp/linux# time git checkout v4.14
  47.  Previous HEAD position was 8bb495e3f024... Linux 3.10
  48.  HEAD is now at bebc6082da0a... Linux 4.14
  49.  
  50. -real    0m3.434s
  51. -user    0m2.774s
  52. -sys     0m0.684s
  53. +real    0m3.539s
  54. +user    0m2.755s
  55. +sys     0m0.815s
  56.  
  57.  root@turbo:/tmp/linux# make defconfig
  58.  root@turbo:/tmp/linux# time make -sj8 >/dev/null
  59.  
  60. -real    1m45.796s
  61. -user    12m26.418s
  62. -sys     0m46.242s
  63. +real    1m46.856s
  64. +user    12m29.209s
  65. +sys     0m48.770s
  66.  
  67.  root@turbo:~# ip netns add ns1
  68.  root@turbo:~# ip netns add ns2
  69.  root@turbo:~# ip -n ns1 link add name veth0 type veth peer name veth0 netns ns2
  70.  root@turbo:~# ip -n ns1 link set veth0 up
  71.  root@turbo:~# ip -n ns2 link set veth0 up
  72.  root@turbo:~# ip netns exec ns1 ethtool -K veth0 tso off gso off gro off
  73.  root@turbo:~# ip netns exec ns2 ethtool -K veth0 tso off gso off gro off
  74.  root@turbo:~# ip -n ns1 addr add 192.0.2.1/24 dev veth0
  75.  root@turbo:~# ip -n ns2 addr add 192.0.2.2/24 dev veth0
  76.  root@turbo:~# ip netns exec ns1 iperf3 -sD
  77.  root@turbo:~# ip netns exec ns2 iperf3 -c 192.0.2.1 -i10 -t60
  78.  Connecting to host 192.0.2.1, port 5201
  79.  [  5] local 192.0.2.2 port 50316 connected to 192.0.2.1 port 5201
  80.  [ ID] Interval           Transfer     Bitrate         Retr  Cwnd
  81. -[  5]   0.00-10.00  sec  13.2 GBytes  11.4 Gbits/sec    0    136 KBytes
  82. -[  5]  10.00-20.00  sec  13.3 GBytes  11.4 Gbits/sec    0    687 KBytes
  83. -[  5]  20.00-30.00  sec  13.4 GBytes  11.6 Gbits/sec    0    687 KBytes
  84. -[  5]  30.00-40.00  sec  13.4 GBytes  11.5 Gbits/sec    0    687 KBytes
  85. -[  5]  40.00-50.00  sec  13.4 GBytes  11.5 Gbits/sec    0    687 KBytes
  86. -[  5]  50.00-60.00  sec  13.3 GBytes  11.5 Gbits/sec    0    687 KBytes
  87. +[  5]   0.00-10.00  sec  14.2 GBytes  12.2 Gbits/sec    0   39.6 KBytes
  88. +[  5]  10.00-20.00  sec  13.9 GBytes  11.9 Gbits/sec    0   49.5 KBytes
  89. +[  5]  20.00-30.00  sec  13.9 GBytes  11.9 Gbits/sec    0   79.2 KBytes
  90. +[  5]  30.00-40.00  sec  14.0 GBytes  12.0 Gbits/sec    0    132 KBytes
  91. +[  5]  40.00-50.00  sec  14.0 GBytes  12.0 Gbits/sec    0    214 KBytes
  92. +[  5]  50.00-60.00  sec  13.9 GBytes  11.9 Gbits/sec    0    214 KBytes
  93.  - - - - - - - - - - - - - - - - - - - - - - - - -
  94.  [ ID] Interval           Transfer     Bitrate         Retr
  95. -[  5]   0.00-60.00  sec  80.1 GBytes  11.5 Gbits/sec    0             sender
  96. -[  5]   0.00-60.04  sec  80.1 GBytes  11.5 Gbits/sec                  receiver
  97. +[  5]   0.00-60.00  sec  83.8 GBytes  12.0 Gbits/sec    0             sender
  98. +[  5]   0.00-60.05  sec  83.8 GBytes  12.0 Gbits/sec                  receiver
  99.  
  100.  iperf Done.
  101.  root@turbo:~# ip netns exec ns1 iperf3 -si10 &
  102.  warning: this system does not seem to support IPv6 - trying IPv4
  103.  -----------------------------------------------------------
  104.  Server listening on 5201
  105.  -----------------------------------------------------------
  106. -root@turbo:~# ip netns exec ns2 iperf3 -c 192.0.2.1 -i0 -t60 -u -b0 >/dev/null
  107. +root@turbo:~# ip netns exec ns2 iperf3 -c 192.0.2.1 -i0 -t60 -u -b 11G >/dev/null
  108.  Accepted connection from 192.0.2.2, port 59200
  109.  [  5] local 192.0.2.1 port 5201 connected to 192.0.2.2 port 56672
  110.  [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
  111. -[  5]   0.00-10.00  sec  17.0 GBytes  14.6 Gbits/sec  0.000 ms  1148580/13731238 (8.4%)
  112. -[  5]  10.00-20.00  sec  17.0 GBytes  14.6 Gbits/sec  0.000 ms  1163382/13801085 (8.4%)
  113. -[  5]  20.00-30.00  sec  17.1 GBytes  14.6 Gbits/sec  0.001 ms  1098782/13744006 (8%)
  114. -[  5]  30.00-40.00  sec  17.0 GBytes  14.6 Gbits/sec  0.000 ms  1184930/13824114 (8.6%)
  115. -[  5]  40.00-50.00  sec  17.0 GBytes  14.6 Gbits/sec  0.000 ms  1160758/13803048 (8.4%)
  116. -[  5]  50.00-60.00  sec  17.1 GBytes  14.6 Gbits/sec  0.001 ms  1144378/13788594 (8.3%)
  117. -[  5]  60.00-60.05  sec  83.8 MBytes  14.6 Gbits/sec  0.000 ms  5779/66497 (8.7%)
  118. +[  5]   0.00-10.00  sec  12.9 GBytes  11.1 Gbits/sec  0.000 ms  2620961/12179738 (22%)
  119. +[  5]  10.00-20.00  sec  13.0 GBytes  11.1 Gbits/sec  0.000 ms  2707014/12310347 (22%)
  120. +[  5]  20.00-30.00  sec  12.9 GBytes  11.1 Gbits/sec  0.001 ms  2704859/12307486 (22%)
  121. +[  5]  30.00-40.00  sec  13.0 GBytes  11.1 Gbits/sec  0.001 ms  2625964/12232410 (21%)
  122. +[  5]  40.00-50.00  sec  13.0 GBytes  11.1 Gbits/sec  0.001 ms  2699978/12309513 (22%)
  123. +[  5]  50.00-60.00  sec  12.9 GBytes  11.1 Gbits/sec  0.001 ms  2706823/12309588 (22%)
  124. +[  5]  60.00-60.05  sec  65.4 MBytes  11.1 Gbits/sec  0.001 ms  13424/60776 (22%)
  125.  - - - - - - - - - - - - - - - - - - - - - - - - -
  126.  [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
  127. -[  5]   0.00-60.05  sec   102 GBytes  14.6 Gbits/sec  0.000 ms  6906589/82758582 (8.3%)  receiver
  128. +[  5]   0.00-60.05  sec  77.7 GBytes  11.1 Gbits/sec  0.001 ms  16079023/73709858 (22%)  receiver
  129.  
  130.  iperf Done.
  131.  root@turbo:~# ip netns exec ns2 iperf3 -c 192.0.2.1 -i0 -t60 -u -b0 -l64 >/dev/null
  132.  Accepted connection from 192.0.2.2, port 60214
  133.  [  5] local 192.0.2.1 port 5201 connected to 192.0.2.2 port 45010
  134.  [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
  135. -[  5]   0.00-10.00  sec   816 MBytes   685 Mbits/sec  0.000 ms  1302969/14672350 (8.9%)
  136. -[  5]  10.00-20.00  sec   821 MBytes   689 Mbits/sec  0.001 ms  1297567/14748880 (8.8%)
  137. -[  5]  20.00-30.00  sec   821 MBytes   689 Mbits/sec  0.000 ms  1283869/14737146 (8.7%)
  138. -[  5]  30.00-40.00  sec   821 MBytes   688 Mbits/sec  0.000 ms  1248187/14693759 (8.5%)
  139. -[  5]  40.00-50.00  sec   821 MBytes   688 Mbits/sec  0.000 ms  1314265/14757972 (8.9%)
  140. -[  5]  50.00-60.00  sec   821 MBytes   688 Mbits/sec  0.001 ms  1328281/14771915 (9%)
  141. -[  5]  60.00-60.05  sec  3.99 MBytes   689 Mbits/sec  0.000 ms  6409/71859 (8.9%)
  142. +[  5]   0.00-10.00  sec   628 MBytes   527 Mbits/sec  0.001 ms  2664956/12956519 (21%)
  143. +[  5]  10.00-20.00  sec   631 MBytes   530 Mbits/sec  0.000 ms  2688670/13034262 (21%)
  144. +[  5]  20.00-30.00  sec   631 MBytes   530 Mbits/sec  0.001 ms  2692048/13037532 (21%)
  145. +[  5]  30.00-40.00  sec   631 MBytes   530 Mbits/sec  0.000 ms  2639368/12983382 (20%)
  146. +[  5]  40.00-50.00  sec   631 MBytes   530 Mbits/sec  0.001 ms  2688436/13033891 (21%)
  147. +[  5]  50.00-60.00  sec   631 MBytes   530 Mbits/sec  0.000 ms  2674172/13019249 (21%)
  148. +[  5]  60.00-60.05  sec  3.08 MBytes   530 Mbits/sec  0.000 ms  13060/63451 (21%)
  149.  - - - - - - - - - - - - - - - - - - - - - - - - -
  150.  [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
  151. -[  5]   0.00-60.05  sec  4.81 GBytes   688 Mbits/sec  0.000 ms  7781547/88453881 (8.8%)  receiver
  152. +[  5]   0.00-60.05  sec  3.70 GBytes   529 Mbits/sec  0.000 ms  16060710/78128286 (21%)  receiver
  153.  iperf3: the client has unexpectedly closed the connection
  154.  -----------------------------------------------------------
  155.  Server listening on 5201
  156.  -----------------------------------------------------------
  157.  
  158.  root@turbo:~# speedtest-cli --server 4302
  159.  Retrieving speedtest.net configuration...
  160.  Testing from Vodafone Italia DSL (5.95.179.161)...
  161.  Retrieving speedtest.net server list...
  162.  Selecting best server based on ping...
  163. -Hosted by Vodafone IT (Milan) [0.17 km]: 3.838 ms
  164. +Hosted by Vodafone IT (Milan) [0.17 km]: 3.952 ms
  165.  Testing download speed......................................................
  166. -Download: 855.93 Mbit/s
  167. +Download: 857.98 Mbit/s
  168.  Testing upload speed........................................................
  169. -Upload: 186.53 Mbit/s
  170. +Upload: 183.09 Mbit/s
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!