Oracle Linux : memtester

[FredR]

# yum install memtester

# ulimit -m
unlimited

# free -h
              total        used        free      shared  buff/cache   available
Mem:          7.3Gi       235Mi       7.0Gi       6.0Mi       100Mi       6.9Gi
Swap:         5.9Gi       700Mi       5.2Gi

# memtester  8GiB 1
memtester version 4.7.1 (64-bit)
Copyright (C) 2001-2024 Charles Cazabon.
Licensed under the GNU General Public License version 2 (only).

pagesize is 4096
pagesizemask is 0xfffffffffffff000
want 8192MB (8589934592 bytes)
got  8192MB (8589934592 bytes), trying mlock ...Killed

# memtester  7GiB 1
memtester version 4.7.1 (64-bit)
Copyright (C) 2001-2024 Charles Cazabon.
Licensed under the GNU General Public License version 2 (only).

pagesize is 4096
pagesizemask is 0xfffffffffffff000
want 7168MB (7516192768 bytes)
got  7168MB (7516192768 bytes), trying mlock ...Killed

# # memtester  6GiB 1
memtester version 4.7.1 (64-bit)
Copyright (C) 2001-2024 Charles Cazabon.
Licensed under the GNU General Public License version 2 (only).

pagesize is 4096
pagesizemask is 0xfffffffffffff000
want 6144MB (6442450944 bytes)
got  6144MB (6442450944 bytes), trying mlock ...locked.
Loop 1/1:
  Stuck Address       : ok
  Random Value        : ok
  Compare XOR         : ok
  Compare SUB         : ok
  Compare MUL         : ok
  Compare DIV         : ok
  Compare OR          : ok
  Compare AND         : ok
  Sequential Increment: ok
  Solid Bits          : ok
  Block Sequential    : ok
  Checkerboard        : ok
  Bit Spread          : ok
  Bit Flip            : ok
  Walking Ones        : ok
  Walking Zeroes      : ok
  8-bit Writes        : ok
  16-bit Writes       : ok

Done.

 ....