I think the directory name needs to have tester in it.  src/cpu/deterministic gives you no indication of what it actually is.  Beyond that, is it really necessary to have multiple testers?  Can we not fold the functionality into a single tester?

src/cpu/deterministic/DetermGenerator.hh (Diff revision 1)

These include guards need to be fixed.

src/cpu/deterministic/DetermGenerator.hh (Diff revision 1)

Sort includes please.

src/cpu/deterministic/DetermGenerator.hh (Diff revision 1)

All of the comments in this file are pretty obvious and should probably be deleted.

src/cpu/deterministic/DetermGenerator.hh (Diff revision 1)

For new files, can you please follow the M5 style for variable names?  no m_ and camelCase.

src/cpu/deterministic/InvalidateGenerator.hh (Diff revision 1)

Fix include guards

src/cpu/deterministic/InvalidateGenerator.hh (Diff revision 1)

Useless comments.

src/cpu/deterministic/InvalidateGenerator.cc (Diff revision 1)

You don't need to change this if you don't want to, but for your education, you could simply collapse this line and the next into:
uint8_t *dummyData = new uint8_t(0);

src/cpu/deterministic/RubyDetermTester.cc (Diff revision 1)

Please just delete this comment.

src/cpu/deterministic/SeriesRequestGenerator.hh (Diff revision 1)

Fix include guards.

src/cpu/deterministic/SeriesRequestGenerator.hh (Diff revision 1)

useless comments

src/cpu/deterministic/SeriesRequestGenerator.hh (Diff revision 1)

Fix variable names.