linperf nov 23

[root@localhost ~]# history
    1  history
    2  dd if=/dev/zero of=/dev/null &
    3  top
    4  history -w
    5  dd if=/dev/zero of=/dev/null &
    6  top
    7  iotop
    8  iostat 2 5
    9  top
   10  iotop
   11  dnf install -y git
   12  git clone https://github.com/sandervanvugt/performance
   13  cd performance/
   14  ls
   15  ./countdown 12
   16  less /proc/meminfo
   17  dnf install -y sysstat
   18  sar -p
   19  sar -P
   20  sar -A
   21  systemctl list-unit-files -t timer
   22  systemctl status sysstat-collect.timer
   23  systemctl start sysstat-collect.timer
   24  systemctl start sysstat-collect.service
   25  sar -A
   26  sar -P
   27  sar -P ALL
   28  sar -B
   29  less /proc/meminfo
   30  top
   31  man proc
   32  free -m
   33  echo 3 > /proc/sys/vm/drop_caches
   34  free -m
   35  reboot
   36  top
   37  less /proc/meminfo
   38  reboot
   39  sysctl -a | grep huge
   40  sysctl -a | wc -l
   41  cd /proc/sys
   42  cd vm/
   43  cat swappiness
   44  echo 30 > swappiness
   45  vim /etc/sysctl.conf
   46  cd /etc/sysctl.d/
   47  ls
   48  ls -l
   49  cd /usr/lib/sysctl.d/
   50  ls
   51  less 50-redhat.conf
   52  pwd
   53  cd /proc/sys
   54  /root/performance/countdown 12
   55  ls
   56  cd vm
   57  ls
   58  man proc
   59  vim /etc/sysctl.conf
   60  top
   61  reboot
   62  vim /etc/sysctl.conf
   63  mount -o remount,rw /
   64  vim /etc/sysctl.conf
   65  reboot
   66  tuned-adm --help
   67  tuned-adm list
   68  tuned-adm profile desktop
   69  tuned-adm list
   70  cd /usr/lib/tuned/desktop/
   71  ls
   72  vim tuned.conf
   73  vim /etc/tuned/tuned-main.conf
   74  pwd
   75  mkdir /etc/tuned/sander/
   76  cp tuned.conf /etc/tuned/sander
   77  tuned-adm list
   78  cd
   79  history | grep git
   80  cd performance/
   81  ls
   82  cat stress1.service
   83  cat stress2.service
   84  cp stress* /etc/systemd/system/
   85  systemctl start stress1.service
   86  systemctl start stress2.service
   87  top
   88  echo 0 > /sys/bus/cpu/devices/cpu1/online
   89  top
   90  cd
   91  systemctl set-property CPUShare=8192 system.slice
   92  systemctl set-property CPUShares=8192 system.slice
   93  systemctl set-property system.slice CPUShares=8192
   94  top
   95  echo 1 > /sys/bus/cpu/devices/cpu1/online
   96  top
   97  killall dd
   98  top
   99  history
  100  systemd-cgtop
  101  systemd-cgls
  102  systemctl show stress1.service
  103  systemctl edit sshd.service
  104  systemctl cat sshd.service
  105  systemctl status sshd.service
  106  man systemd.directives
  107  systemctl edit sshd.service
  108  top
  109  systemctl edit stress1.service
  110  cd /etc/systemd/system
  111  vim stress1.service
  112  man systemd.directives
  113  vim stress2.service
  114  systemctl daemon-reload
  115  systemctl start stress1.service
  116  systemctl start stress2.service
  117  top
  118  killall dd
  119  history
  120  cd /sys/block/sda/queue/iosched/
  121  ls
  122  cd ..
  123  ls
  124  cat scheduler
  125  pwd
  126  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  127  dd if=/dev/zero of=/dev/null &
  128  rm -f /bigfile
  129  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  130  cat scheduler
  131  echo kyber > scheduler
  132  cat scheduler
  133  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  134  echo none > scheduler
  135  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  136  history -w
  137  tuned-adm --help
  138  tuned-adm list
  139  tuned-adm profile desktop
  140  tuned-adm list
  141  cd /usr/lib/tuned/desktop/
  142  ls
  143  vim tuned.conf
  144  vim /etc/tuned/tuned-main.conf
  145  pwd
  146  mkdir /etc/tuned/sander/
  147  cp tuned.conf /etc/tuned/sander
  148  tuned-adm list
  149  cd
  150  history | grep git
  151  cd performance/
  152  ls
  153  cat stress1.service
  154  cat stress2.service
  155  cp stress* /etc/systemd/system/
  156  systemctl start stress1.service
  157  systemctl start stress2.service
  158  top
  159  echo 0 > /sys/bus/cpu/devices/cpu1/online
  160  top
  161  cd
  162  systemctl set-property CPUShare=8192 system.slice
  163  systemctl set-property CPUShares=8192 system.slice
  164  systemctl set-property system.slice CPUShares=8192
  165  top
  166  echo 1 > /sys/bus/cpu/devices/cpu1/online
  167  top
  168  killall dd
  169  top
  170  history
  171  systemd-cgtop
  172  systemd-cgls
  173  systemctl show stress1.service
  174  systemctl edit sshd.service
  175  systemctl cat sshd.service
  176  systemctl status sshd.service
  177  man systemd.directives
  178  systemctl edit sshd.service
  179  top
  180  systemctl edit stress1.service
  181  cd /etc/systemd/system
  182  vim stress1.service
  183  man systemd.directives
  184  vim stress2.service
  185  systemctl daemon-reload
  186  systemctl start stress1.service
  187  systemctl start stress2.service
  188  top
  189  killall dd
  190  history
  191  cd /sys/block/sda/queue/iosched/
  192  ls
  193  cd ..
  194  ls
  195  cat scheduler
  196  pwd
  197  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  198  dd if=/dev/zero of=/dev/null &
  199  rm -f /bigfile
  200  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  201  cat scheduler
  202  echo kyber > scheduler
  203  cat scheduler
  204  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  205  echo none > scheduler
  206  time dd if=/dev/zero of=/bigfile bs=1M count=1024
  207  history -w
  208  poweroff
  209  fdisk /dev/sda
  210  mkfs.ext4 --help
  211  mkfs.ext4 /dev/sda3
  212  mkdir /data
  213  vim /etc/fstab
  214  mount -a
  215  systemctl daemon-reload
  216  mount -a
  217  man -k mount
  218  man mount.ext4
  219  man mount.ext
  220  man mount.ex2
  221  man mount
  222  umount /data
  223  mount -o data=writeback /dev/sda3 /data
  224  history -w
  225  top
  226  cd /proc/8641
  227  cd /proc/3641
  228  ls
  229  cat oom_score
  230  cat oom_score_adj
  231  echo -500 > oom_score_adj
  232  cat oom_score
  233  echo f > /proc/sysrq-trigger
  234  journalctl
  235  cd
  236  history