On Tue, 2023-02-14 at 17:53 +0100, Alexis Lothoré via
lists.openembedded.org wrote:
> From: Alexis Lothoré <[email protected]>
>
> This v2 does not contain any change in patches content, it only sets the From:
> field correctly. Sorry for the noise.
>
> This patch serie is a proposal linked to discussion initiated here:
> https://lists.yoctoproject.org/g/automated-testing/topic/96652823#1219
>
> After integration of some improvements on regression reporting, it has been
> observed that the regression report of version 4.2_M2 is way too big. When
> checking it, it appears that a big part of the report is composed of "missing
> tests" (regression detected because test status changed from "PASS" to
> "None").
> It is mostly due to oeselftest results, since oeselftest is run multiple time
> for a single build, but not with the same parameters (so not the same tests
> "sets"), so those test sets are not comparable.
>
> The proposed serie introduce OSELFTEST_METADATA appended to tests results when
> the TEST_TYPE is "oeselftest". An oeselftest result with those metadata looks
> like this:
> [...]
> "configuration": {
> "HOST_DISTRO": "fedora-36",
> "HOST_NAME": "fedora36-ty-3",
> "LAYERS": {
> [...]
> },
> "MACHINE": "qemux86",
> "STARTTIME": "20230126235248",
> "TESTSERIES": "qemux86",
> "TEST_TYPE": "oeselftest",
> "OESELFTEST_METADATA": {
> "run_all_tests": true,
> "run_tests": null,
> "skips": null,
> "machine": null,
> "select_tags": ["toolchain-user", "toolchain-system"],
> "exclude_tags": null
> }
> }
> [...]
>
> Additionally, the serie now makes resulttool look at a METADATA_MATCH_TABLE,
> which tells that when compared test results have a specific TEST_TYPE, it
> should
> look for some specific metadata to know if tests can be compared or not. It
> will
> then remove all the false positive in regression reports due to tests present
> in
> base results but not found in target results because of skipped tests/excluded
> tags
>
> * this serie prioritize retro-compatibility: if the base test is older (ie: it
> does not have the needed metadata), it will consider tests as "comparable"
> * additionally to tests added in oeqa test cases, some "best effort" manual
> testing has been done, with the following cases:
> - run a basic test (e.g: `oeselftest -r tinfoils`), collect test result,
> break
> test, collect result, ensure tests are compared. Change oeselftest
> parameters, ensure tests are not compared
> - collect base and target tests results from 4.2_M2 regression report,
> manually add new metadata to some tests, replay regression report, ensure
> that regressions are kept or discarded depending on the metadata
I think this is heading in the right direction. Firstly, can we put
some kind of test script into OE-Core for making debugging/testing this
easier?
I'm wondering if we can take some of the code from qa_send_email and
move it into OE-Core such that I could do something like:
show-regression-report 4.2_M1 4.2_M2
which would then resolve those two tags to commits, find the
testresults repo, fetch the data depth1 then call resulttool regression
on them.
I did that manually to experiment. I realised that if we do something
like:
if "MACHINE" in base_configuration and "MACHINE" in target_configuration:
if base_configuration["MACHINE"] != target_configuration["MACHINE"]:
print("Skipping")
return False
in metadata_matches() we can skip a lot of mismatched combinations even
with the older test results. I think we also should be able to use some
pattern matching to generate a dummy OESELFTEST_METADATA section for
older data which doesn't have it. For example, the presence of meta_ide
tests indicates one particular type of test. Combined with the MACHINE
match, this should let us compare old and new data? That would mean
metadata_matches() would need to see into the actual results too.
Does that make sense?
Cheers,
Richard
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