1 ====================
2 Livepatch Self Tests
3 ====================
4
5 This is a small set of sanity tests for the ke
6
7 The test suite loads and unloads several test
8 livepatch behavior. Debug information is logg
9 buffer and parsed for expected messages. (Not
10 the message buffer for only the duration of ea
11
12
13 Config
14 ------
15
16 Set CONFIG_LIVEPATCH=y option and it's prerequ
17
18
19 Building the tests
20 ------------------
21
22 To only build the tests without running them,
23
24 % make -C tools/testing/selftests/livepatch
25
26 The command above will compile all test module
27 ready to be packaged if so desired.
28
29 Running the tests
30 -----------------
31
32 Test kernel modules are built before running t
33 modules are located under test_modules directo
34 modules. This is specially useful since the s
35 tested on systems with different kABI, ensurin
36 compatible. The modules will be loaded by the
37
38 To run the livepatch selftests, from the top o
39
40 % make -C tools/testing/selftests TARGETS=li
41
42 or
43
44 % make kselftest TARGETS=livepatch
45
46
47 Adding tests
48 ------------
49
50 See the common functions.sh file for the exist
51 functions, most importantly setup_config(), st
52 check_result(). The latter function greps the
53 "livepatch:" and "test_klp" strings, so tests
54 those strings for result comparison. Other ut
55 general module loading and livepatch loading h
56 transitions, sysfs entries, etc.)
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