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doc: dev-tools: kselftest.rst: update to include make O=dir support 

Update to include details on make O=dir support and other changes improve
test results output.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
[jc: Tweaked RST formatting slightly ]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Shuah Khan 2017-10-02 17:44:17 -06:00 committed by Jonathan Corbet
parent 58e7cb9e93
commit d5cdbb875f
1 changed files with 32 additions and 2 deletions
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34
Documentation/dev-tools/kselftest.rst
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@ -31,6 +31,17 @@ To build and run the tests with a single command, use::
Note that some tests will require root privileges.
Build and run from user specific object directory (make O=dir)::
$ make O=/tmp/kselftest kselftest
Build and run KBUILD_OUTPUT directory (make KBUILD_OUTPUT=)::
$ make KBUILD_OUTPUT=/tmp/kselftest kselftest
The above commands run the tests and print pass/fail summary to make it
easier to understand the test results. Please find the detailed individual
test results for each test in /tmp/testname file(s).
Running a subset of selftests
=============================
@ -46,10 +57,21 @@ You can specify multiple tests to build and run::
$ make TARGETS="size timers" kselftest
Build and run from user specific object directory (make O=dir)::
$ make O=/tmp/kselftest TARGETS="size timers" kselftest
Build and run KBUILD_OUTPUT directory (make KBUILD_OUTPUT=)::
$ make KBUILD_OUTPUT=/tmp/kselftest TARGETS="size timers" kselftest
The above commands run the tests and print pass/fail summary to make it
easier to understand the test results. Please find the detailed individual
test results for each test in /tmp/testname file(s).
See the top-level tools/testing/selftests/Makefile for the list of all
possible targets.
Running the full range hotplug selftests
========================================
@ -113,9 +135,17 @@ Contributing new tests (details)
* Use TEST_GEN_XXX if such binaries or files are generated during
compiling.
TEST_PROGS, TEST_GEN_PROGS mean it is the excutable tested by
TEST_PROGS, TEST_GEN_PROGS mean it is the executable tested by
default.
TEST_CUSTOM_PROGS should be used by tests that require custom build
rule and prevent common build rule use.
TEST_PROGS are for test shell scripts. Please ensure shell script has
its exec bit set. Otherwise, lib.mk run_tests will generate a warning.
TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests.
TEST_PROGS_EXTENDED, TEST_GEN_PROGS_EXTENDED mean it is the
executable which is not tested by default.
TEST_FILES, TEST_GEN_FILES mean it is the file which is used by