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stress2 is a tool for finding problems in the kernel.
It is composed of a large number of regression tests, tests that
stress various components of the kernel and a few validation tests.
There are currently some 700 different tests.
The key idea behind stress2 is to randomize as much as possible in
a test, as a way of achieving better coverage. For example, varying
VM pressure, varying numbers of threads, varying delays, etc.
stress2 has found a large number of problems:
To run the full test suite type "make test" in the stress2 directory.
To run a subset of tests, go to the stress2/misc directory.
To run for example all tmpfs tests, type ./all.sh -o $(grep -l tmpfs *.sh)
To run fdatasync.sh for one hour, type ./all.sh -m 60 fdatasync.sh"
To run dup2.sh three times, type ./all.sh -l 3 dup2.sh
Peter Holm <pho@FreeBSD.org>