On Sat, Jul 27, 2019 at 8:25 PM Andrii Nakryiko <andriin@xxxxxx> wrote: > > This patch set makes a number of changes to test_progs selftest, which is > a collection of many other tests (and sometimes sub-tests as well), to provide > better testing experience and allow to start convering many individual test > programs under selftests/bpf into a single and convenient test runner. > > Patch #1 fixes issue with Makefile, which makes prog_tests/test.h compiled as > a C code. This fix allows to change how test.h is generated, providing ability > to have more control on what and how tests are run. > > Patch #2 changes how test.h is auto-generated, which allows to have test > definitions, instead of just running test functions. This gives ability to do > more complicated test run policies. > > Patch #3 adds `-t <test-name>` and `-n <test-num>` selectors to run only > subset of tests. > > Patch #4 changes libbpf_set_print() to return previously set print callback, > allowing to temporarily replace current print callback and then set it back. > This is necessary for some tests that want more control over libbpf logging. > > Patch #5 sets up and takes over libbpf logging from individual tests to > test_prog runner, adding -vv verbosity to capture debug output from libbpf. > This is useful when debugging failing tests. > > Patch #6 furthers test output management and buffers it by default, emitting > log output only if test fails. This give succinct and clean default test > output. It's possible to bypass this behavior with -v flag, which will turn > off test output buffering. > > Patch #7 adds support for sub-tests. It also enhances -t and -n selectors to > both support ability to specify sub-test selectors, as well as enhancing > number selector to accept sets of test, instead of just individual test > number. > > Patch #8 converts bpf_verif_scale.c test to use sub-test APIs. > > Patch #9 converts send_signal.c tests to use sub-test APIs. > > v2->v3: > - fix buffered output rare unitialized value bug (Alexei); > - fix buffered output va_list reuse bug (Alexei); > - fix buffered output truncation due to interleaving zero terminators; Looks great. Applied. Thanks!
