|
@@ -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.
|