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Diffstat (limited to 'Documentation/dev-tools/kselftest.rst')
| -rw-r--r-- | Documentation/dev-tools/kselftest.rst | 67 |
1 files changed, 40 insertions, 27 deletions
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst index 5bd590335839..9232ce94612c 100644 --- a/Documentation/dev-tools/kselftest.rst +++ b/Documentation/dev-tools/kselftest.rst @@ -1,4 +1,6 @@ +====================== Linux Kernel Selftests +====================== The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small tests to exercise individual code @@ -15,29 +17,34 @@ hotplug test is run on 2% of hotplug capable memory instead of 10%. Running the selftests (hotplug tests are run in limited mode) ============================================================= -To build the tests: - $ make -C tools/testing/selftests +To build the tests:: + + make -C tools/testing/selftests + +To run the tests:: + make -C tools/testing/selftests run_tests -To run the tests: - $ make -C tools/testing/selftests run_tests +To build and run the tests with a single command, use:: -To build and run the tests with a single command, use: - $ make kselftest + make kselftest -- note that some tests will require root privileges. +Note that some tests will require root privileges. Running a subset of selftests -======================================== +============================= + You can use the "TARGETS" variable on the make command line to specify single test to run, or a list of tests to run. -To run only tests targeted for a single subsystem: - $ make -C tools/testing/selftests TARGETS=ptrace run_tests +To run only tests targeted for a single subsystem:: + + make -C tools/testing/selftests TARGETS=ptrace run_tests -You can specify multiple tests to build and run: - $ make TARGETS="size timers" kselftest +You can specify multiple tests to build and run:: + + make TARGETS="size timers" kselftest See the top-level tools/testing/selftests/Makefile for the list of all possible targets. @@ -46,13 +53,15 @@ possible targets. Running the full range hotplug selftests ======================================== -To build the hotplug tests: - $ make -C tools/testing/selftests hotplug +To build the hotplug tests:: + + make -C tools/testing/selftests hotplug + +To run the hotplug tests:: -To run the hotplug tests: - $ make -C tools/testing/selftests run_hotplug + make -C tools/testing/selftests run_hotplug -- note that some tests will require root privileges. +Note that some tests will require root privileges. Install selftests @@ -62,13 +71,15 @@ You can use kselftest_install.sh tool installs selftests in default location which is tools/testing/selftests/kselftest or a user specified location. -To install selftests in default location: - $ cd tools/testing/selftests - $ ./kselftest_install.sh +To install selftests in default location:: -To install selftests in a user specified location: - $ cd tools/testing/selftests - $ ./kselftest_install.sh install_dir + cd tools/testing/selftests + ./kselftest_install.sh + +To install selftests in a user specified location:: + + cd tools/testing/selftests + ./kselftest_install.sh install_dir Running installed selftests =========================== @@ -79,8 +90,10 @@ named "run_kselftest.sh" to run the tests. You can simply do the following to run the installed Kselftests. Please note some tests will require root privileges. -cd kselftest -./run_kselftest.sh +:: + + cd kselftest + ./run_kselftest.sh Contributing new tests ====================== @@ -96,8 +109,8 @@ In general, the rules for selftests are * Don't cause the top-level "make run_tests" to fail if your feature is unconfigured. -Contributing new tests(details) -=============================== +Contributing new tests (details) +================================ * Use TEST_GEN_XXX if such binaries or files are generated during compiling. |