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The alpine-test CI job runs all ~483 zdtm tests sequentially three times (normal, mntns-compat-mode, criu-config), followed by many non-shardable tests. This dominates overall CI wait time. With only 2 jobs running in parallel (GCC and CLANG) the alpine tests take around 30 minutes. Use the existing --test-shard-index and --test-shard-count flags already built into test/zdtm.py to split the zdtm test suite across four parallel runners (shards 0-3). A fifth shard runs all non-shardable tests (lazy pages, fault injection, test/others/*, rootless, compel, plugins, etc.) independently and in parallel with the zdtm shards. This increases parallelism from 2 to 10 jobs and reduces the alpine test wall-clock time from ~30 to ~10 minutes. Changes: - run-ci-tests.sh: Build SHARD_OPTS from ZDTM_SHARD_INDEX/COUNT env vars and pass them to zdtm.py. Extract all non-shardable tests into a run_non_shardable_tests() function. Dispatch based on shard index: 0-3 run zdtm slices, 4 runs non-shardable tests, unset runs everything sequentially (preserving existing behavior). Validate that ZDTM_SHARD_INDEX is set when ZDTM_SHARD_COUNT is set. - Makefile: Pass ZDTM_SHARD_INDEX and ZDTM_SHARD_COUNT into the container when set. Split long container run command across multiple lines for readability. - ci.yml: Add shard: [0, 1, 2, 3, 4] to the alpine-test matrix, producing 10 jobs (2 compilers x 5 shards). Job labels now show descriptive shard names (e.g. "zdtm 1/4", "non-zdtm") instead of raw indices. When sharding is not configured the script behaves identically to before, so other CI jobs (aarch64, compat, gcov, etc.) are unaffected. Assisted-by: Claude:claude-opus-4-6 Signed-off-by: Adrian Reber <areber@redhat.com> |
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| .. | ||
| build | ||
| ci | ||
| nmk | ||
| criu-ns | ||
| fake-restore.sh | ||
| feature-tests.mak | ||
| fetch-clang-format.sh | ||
| flake8.cfg | ||
| github-indent-warnings.py | ||
| install-criu-image-streamer.sh | ||
| magic-gen.py | ||
| protobuf-gen.sh | ||
| ruff.toml | ||
| systemd-autofs-restart.sh | ||
| tmp-files.sh | ||
| uninstall_module.py | ||