jeduardo.com
A simple memory testing utility
1# memtest
2
3This 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.
4
5## Building
6
7The following dependencies are required to build the software: gcc, automake, and [valgrind](http://valgrind.org/) for the small test suite.
8
9- `make all` to build, test, and prepare the program for release.
10- `make test` to build and test the program.
11- `make memtest` to just build the program.
12- `make clean` to clean the entire workspace.
13
14## Using
15
16The program accepts two arguments:
17
18- -m: memory size in MB, required.
19- -s: number of seconds to wait between allocations, optional.
20
21### Sample run
22
23```ShellSession
24./memtest -m 12
25Memory allocation test up to 12 MB, sleeping 0 seconds between allocations
26Total allocation 0 MB...success!
27Total allocation 1 MB...success!
28Total allocation 2 MB...success!
29Total allocation 3 MB...success!
30Total allocation 4 MB...success!
31Total allocation 5 MB...success!
32Total allocation 6 MB...success!
33Total allocation 7 MB...success!
34Total allocation 8 MB...success!
35Total allocation 9 MB...success!
36Total allocation 10 MB...success!
37Total allocation 11 MB...success!
38Successfully allocated 12 MB
39```
40
41## License
42
43MIT License