jeduardo.com / memtest
A simple memory testing utility
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README.md

memtest#

This is a simple utility which allocates as much megabytes of RAM as requested, pausing 0 or more seconds during allocation. It was designed to verify the progression of memory allocation on Linux environments under cgroups constraints for memory usage.

Building#

The following dependencies are required to build the software: gcc, automake, and valgrind for the small test suite.

  • make all to build, test, and prepare the program for release.
  • make test to build and test the program.
  • make memtest to just build the program.
  • make clean to clean the entire workspace.

Using#

The program accepts two arguments:

  • -m: memory size in MB, required.
  • -s: number of seconds to wait between allocations, optional.

Sample run#

./memtest -m 12
Memory allocation test up to 12 MB, sleeping 0 seconds between allocations
Total allocation 0 MB...success!
Total allocation 1 MB...success!
Total allocation 2 MB...success!
Total allocation 3 MB...success!
Total allocation 4 MB...success!
Total allocation 5 MB...success!
Total allocation 6 MB...success!
Total allocation 7 MB...success!
Total allocation 8 MB...success!
Total allocation 9 MB...success!
Total allocation 10 MB...success!
Total allocation 11 MB...success!
Successfully allocated 12 MB

License#

MIT License