openeuler/memtester repository overview

⁠Quick reference

• The official memtester docker image.

• Maintained by: openEuler CloudNative SIG⁠.

• Where to get help: openEuler CloudNative SIG⁠, openEuler⁠.

⁠memtester | openEuler

Current memtester docker images are built on the openEuler⁠. This repository is free to use and exempted from per-user rate limits.

memtester is an effective userspace tester for stress-testing the memory subsystem.

Learn more on memtester website⁠.

⁠Supported tags and respective Dockerfile links

The tag of each memtester docker image is consist of the version of memtester and the version of basic image. The details are as follows

⁠Usage

In this usage, users can select the corresponding {Tag} based on their requirements.

• Pull the openeuler/memtester image from docker

  docker pull openeuler/memtester:{Tag}
  

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• Basic Command Syntax

   memtester <memory_size> <iterations>
  

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  • memory_size: Amount of RAM to test (e.g., 100M, 1G)
  • iterations: Number of test cycles (default: 1)。

• Example: Test 100MB RAM

  Run the following command to test 100MB of memory with 1 full pass:

  memtester 100M 1
  

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  Expected Output:

  ......
  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.
  

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⁠Question and answering

If you have any questions or want to use some special features, please submit an issue or a pull request on openeuler-docker-images⁠.