Update tsan_suppressions_clang_13.cfg #466
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| name: Flow-IPC pipeline | |
| on: | |
| push: | |
| branches: | |
| - '*' | |
| pull_request: | |
| branches: | |
| - '*' | |
| # To run a workflow manually, the workflow must be configured to run on the workflow_dispatch event. | |
| workflow_dispatch: | |
| jobs: | |
| doc: | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| compiler: | |
| - id: clang-15 | |
| name: clang | |
| version: 15 | |
| c-path: /usr/bin/clang-15 | |
| cpp-path: /usr/bin/clang++-15 | |
| build-config: | |
| - id: release | |
| conan-profile-build-type: Release | |
| conan-preset: release | |
| runs-on: ubuntu-22.04 | |
| name: | | |
| doc-${{ matrix.compiler.id }}-${{ matrix.build-config.id }} | |
| steps: | |
| - name: Update available software list for apt-get | |
| run: sudo apt-get update | |
| - name: Checkout `ipc` repository and submodules (like `flow`) | |
| uses: actions/checkout@v4 | |
| with: | |
| submodules: true | |
| - name: Install Flow-IPC dependencies (like Graphviz) with apt-get | |
| run: | | |
| sudo apt-get install -y graphviz | |
| - name: Install the latest version of Conan which is less than 2 | |
| run: | | |
| pip install "conan<2" | |
| - name: Create Conan profile | |
| run: | | |
| cat <<EOF > conan_profile | |
| [settings] | |
| compiler = ${{ matrix.compiler.name }} | |
| compiler.version = ${{ matrix.compiler.version }} | |
| compiler.cppstd = 17 | |
| compiler.libcxx = libstdc++11 | |
| arch = x86_64 | |
| os = Linux | |
| build_type = ${{ matrix.build-config.conan-profile-build-type }} | |
| [conf] | |
| tools.build:compiler_executables = {"c": "${{ matrix.compiler.c-path }}", "cpp": "${{ matrix.compiler.cpp-path }}"} | |
| [buildenv] | |
| CC = ${{ matrix.compiler.c-path }} | |
| CXX = ${{ matrix.compiler.cpp-path }} | |
| [options] | |
| ipc:build = False | |
| ipc:doc = True | |
| EOF | |
| - name: Install Flow-IPC dependencies (like Doxygen) with Conan using the profile | |
| run: | | |
| conan install \ | |
| . \ | |
| --profile:build conan_profile \ | |
| --profile:host conan_profile \ | |
| --build missing | |
| - name: Generate code documentation using Conan and Doxygen | |
| run: | | |
| conan build . | |
| - name: Create documentation tarball (full, API-only, landing page) | |
| run: | | |
| cd $GITHUB_WORKSPACE/doc/ipc_doc | |
| $GITHUB_WORKSPACE/tools/doc/stage_generated_docs.sh $GITHUB_WORKSPACE/build/${{ matrix.build-config.conan-profile-build-type }} | |
| # Save runner space. | |
| rm -rf generated | |
| - name: Upload documentation tarball | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: ipc-doc-${{ matrix.compiler.id }}-${{ matrix.build-config.id }} | |
| path: | | |
| ${{ github.workspace }}/doc/ipc_doc.tgz | |
| build: | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| compiler: | |
| - id: gcc-9 | |
| name: gcc | |
| version: 9 | |
| c-path: /usr/bin/gcc-9 | |
| cpp-path: /usr/bin/g++-9 | |
| - id: gcc-10 | |
| name: gcc | |
| version: 10 | |
| c-path: /usr/bin/gcc-10 | |
| cpp-path: /usr/bin/g++-10 | |
| - id: gcc-11 | |
| name: gcc | |
| version: 11 | |
| c-path: /usr/bin/gcc-11 | |
| cpp-path: /usr/bin/g++-11 | |
| - id: gcc-13 | |
| name: gcc | |
| version: 13 | |
| c-path: /usr/bin/gcc-13 | |
| cpp-path: /usr/bin/g++-13 | |
| - id: clang-13 | |
| name: clang | |
| version: 13 | |
| c-path: /usr/bin/clang-13 | |
| cpp-path: /usr/bin/clang++-13 | |
| - id: clang-15 | |
| name: clang | |
| version: 15 | |
| c-path: /usr/bin/clang-15 | |
| cpp-path: /usr/bin/clang++-15 | |
| - id: clang-16 | |
| name: clang | |
| version: 16 | |
| c-path: /usr/bin/clang-16 | |
| cpp-path: /usr/bin/clang++-16 | |
| install: True | |
| - id: clang-17 | |
| name: clang | |
| version: 17 | |
| c-path: /usr/bin/clang-17 | |
| cpp-path: /usr/bin/clang++-17 | |
| install: True | |
| build-and-test-config: | |
| - id: debug | |
| conan-profile-build-type: Debug | |
| conan-profile-jemalloc-build-type: Debug | |
| - id: release | |
| conan-profile-build-type: Release | |
| conan-profile-jemalloc-build-type: Release | |
| - id: relwithdebinfo-tsan | |
| conan-profile-build-type: RelWithDebInfo | |
| conan-profile-jemalloc-build-type: Release | |
| conan-profile-custom-conf: | | |
| tools.build:cflags = [ "-fsanitize=thread" ] | |
| tools.build:cxxflags = [ "-fsanitize=thread" ] | |
| tools.build:sharedlinkflags = [ "-fsanitize=thread" ] | |
| tools.build:exelinkflags = [ "-fsanitize=thread" ] | |
| conan-profile-custom-settings: | | |
| compiler.sanitizer = thread | |
| conan-profile-custom-buildenv: | | |
| LDFLAGS = -fsanitize=thread | |
| CXXFLAGS = -fsanitize=thread | |
| CFLAGS = -fsanitize=thread | |
| conan-custom-package-settings: | | |
| data['compiler']['gcc']['sanitizer'] = ['None', 'address', 'thread', 'memory', 'undefined-behavior'] | |
| data['compiler']['clang']['sanitizer'] = ['None', 'address', 'thread', 'memory', 'undefined-behavior'] | |
| unit-tests-params: | | |
| --gtest_filter=-Shm_session_test.In_process_array:\ | |
| Shm_session_test.In_process_vector_offset_ptr:\ | |
| Shm_session_test.In_process_string_offset_ptr:\ | |
| Shm_session_test.In_process_list_offset_ptr:\ | |
| Shm_session_test.Multisession_in_process:\ | |
| Shm_session_test.Allocation_performance_five:\ | |
| Jemalloc_shm_pool_collection_test.Interface:\ | |
| Jemalloc_shm_pool_collection_test.Multiprocess:\ | |
| Jemalloc_shm_pool_collection_test.Owner_shm_pool_removal:\ | |
| Jemalloc_shm_pool_collection_test.Multithread_load:\ | |
| Borrower_shm_pool_collection_test.Interface:\ | |
| Borrower_shm_pool_collection_test.Multiprocess:\ | |
| Shm_pool_collection_test.Interface:\ | |
| Shm_pool_collection_test.Multiprocess:\ | |
| Shm_session_data_test.Multithread_object_database | |
| skip-transport-tests: | | |
| true | |
| - id: relwithdebinfo | |
| conan-profile-build-type: RelWithDebInfo | |
| conan-profile-jemalloc-build-type: Release | |
| - id: minsizerel | |
| conan-profile-build-type: MinSizeRel | |
| conan-profile-jemalloc-build-type: Release | |
| exclude: | |
| - compiler: { id: gcc-9 } | |
| build-and-test-config: { id: relwithdebinfo-tsan } | |
| - compiler: { id: gcc-10 } | |
| build-and-test-config: { id: relwithdebinfo-tsan } | |
| - compiler: { id: gcc-11 } | |
| build-and-test-config: { id: relwithdebinfo-tsan } | |
| - compiler: { id: gcc-13 } | |
| build-and-test-config: { id: relwithdebinfo-tsan } | |
| env: | |
| setup-tests-env: | | |
| if [ "${{ matrix.build-and-test-config.id }}" = relwithdebinfo-tsan ]; then | |
| export TSAN_OPTIONS="disable_coredump=0 second_deadlock_stack=1 suppressions=${{ github.workspace }}/tsan_suppressions_${{ matrix.compiler.name }}_${{ matrix.compiler.version }}.cfg" | |
| fi | |
| runs-on: ubuntu-22.04 | |
| name: | | |
| build-${{ matrix.compiler.id }}-${{ matrix.build-and-test-config.id }} | |
| steps: | |
| - name: Update available software list for apt-get | |
| run: | | |
| lsb_release -a | |
| sudo apt-get update | |
| - name: Checkout `ipc` repository and submodules (`flow`, `ipc_*`) | |
| uses: actions/checkout@v4 | |
| with: | |
| submodules: true | |
| - name: Install clang compiler | |
| if: | | |
| matrix.compiler.install && (matrix.compiler.name == 'clang') | |
| run: | | |
| wget https://apt.llvm.org/llvm.sh | |
| chmod u+x llvm.sh | |
| sudo ./llvm.sh ${{ matrix.compiler.version }} | |
| - name: Install gcc compiler | |
| if: | | |
| matrix.compiler.install && (matrix.compiler.name == 'gcc') | |
| run: | | |
| sudo apt-get install -y software-properties-common | |
| sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y | |
| sudo apt-get update | |
| sudo apt-get install -y gcc-${{ matrix.compiler.version }} g++-${{ matrix.compiler.version }} | |
| - name: Install the latest version of Conan which is less than 2 | |
| run: | | |
| pip install "conan<2" | |
| - name: Add custom settings for Conan packages | |
| if: | | |
| matrix.build-and-test-config.conan-custom-package-settings | |
| run: | | |
| conan config init | |
| pip install PyYAML | |
| CONAN_SETTINGS_PATH=$(conan config home)/settings.yml | |
| python -c " | |
| import yaml | |
| with open('$CONAN_SETTINGS_PATH', 'r') as file: | |
| data = yaml.safe_load(file) | |
| ${{ matrix.build-and-test-config.conan-custom-package-settings }} | |
| with open('$CONAN_SETTINGS_PATH', 'w') as file: | |
| yaml.dump(data, file) | |
| " | |
| - name: Create Conan profile | |
| run: | | |
| cat <<EOF > conan_profile | |
| [settings] | |
| compiler = ${{ matrix.compiler.name }} | |
| compiler.version = ${{ matrix.compiler.version }} | |
| compiler.cppstd = 17 | |
| compiler.libcxx = libstdc++11 | |
| arch = x86_64 | |
| os = Linux | |
| jemalloc:build_type = ${{ matrix.build-and-test-config.conan-profile-jemalloc-build-type }} | |
| build_type = ${{ matrix.build-and-test-config.conan-profile-build-type }} | |
| ${{ matrix.build-and-test-config.conan-profile-custom-settings }} | |
| [conf] | |
| tools.env.virtualenv:auto_use = True | |
| tools.build:compiler_executables = {"c": "${{ matrix.compiler.c-path }}", "cpp": "${{ matrix.compiler.cpp-path }}"} | |
| ${{ matrix.build-and-test-config.conan-profile-custom-conf }} | |
| [buildenv] | |
| CC = ${{ matrix.compiler.c-path }} | |
| CXX = ${{ matrix.compiler.cpp-path }} | |
| ${{ matrix.build-and-test-config.conan-profile-custom-buildenv }} | |
| [options] | |
| ipc:build = True | |
| ipc:doc = False | |
| flow:build = True | |
| flow:doc = False | |
| EOF | |
| - name: Install Flow-IPC dependencies with Conan using the profile | |
| run: | | |
| conan editable add flow flow/1.0 | |
| conan install \ | |
| . \ | |
| --profile:build conan_profile \ | |
| --profile:host conan_profile \ | |
| --build missing | |
| - name: Build targets (libraries, demos/tests) with Conan | |
| run: | | |
| conan build . | |
| - name: Install targets with Makefile | |
| run: | | |
| VERBOSE=1 make install \ | |
| --directory ${{ github.workspace }}/build/${{ matrix.build-and-test-config.conan-profile-build-type }} \ | |
| DESTDIR=${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }} | |
| - name: Run link test [`ipc_core` - Flow-IPC Core] | |
| if: | | |
| !cancelled() | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin | |
| ./ipc_core_link_test.exec | |
| - name: Run link test [`ipc_transport_structured` - Flow-IPC Structured Transport] | |
| if: | | |
| !cancelled() | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin | |
| ./ipc_transport_structured_link_test.exec | |
| - name: Run link test [`ipc_session` - Flow-IPC Sessions] | |
| if: | | |
| !cancelled() | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin | |
| ./ipc_session_link_test_srv.exec & | |
| sleep 1 | |
| ./ipc_session_link_test_cli.exec | |
| - name: Run link test [`ipc_shm` - Flow-IPC Shared Memory] | |
| if: | | |
| !cancelled() | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin | |
| ./ipc_shm_link_test_srv.exec & | |
| sleep 1 | |
| ./ipc_shm_link_test_cli.exec | |
| - name: Run link test [`ipc_shm_arena_lend` - Flow-IPC SHM-jemalloc] | |
| if: | | |
| !cancelled() | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin | |
| ./ipc_shm_arena_lend_link_test_srv.exec & | |
| sleep 1 | |
| ./ipc_shm_arena_lend_link_test_cli.exec | |
| # As of this writing this runs with high verbosity, so we do not re-run on failure | |
| # like the ones below. | |
| - name: Run unit tests | |
| if: | | |
| !cancelled() | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| echo $TSAN_OPTIONS | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin | |
| ./libipc_unit_test.exec ${{ matrix.build-and-test-config.unit-tests-params }} | |
| # Runner can easily run out of space due to logs, so we tar-up log dir | |
| # at the end of each step. We also blow away the build dir, as all | |
| # should be installed in install dir by then. | |
| # For tests below where on failure it can be very helpful to look at higher-verbosity logs, | |
| # any failing step is repeated with logging hiked up. Note that formally (and practically) | |
| # higher-than-INFO verbosity is allowed to affect performance and thus is *not* right for | |
| # the main integration test run. However on failure all bets are off, and we just want the | |
| # info we can get. (Also higher-verbosity runs can take significantly longer; no one wants that.) | |
| # This follows the instructions in bin/transport_test/README.txt. | |
| - name: Prepare run script for [transport_test - Scripted mode] variations below | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| cat <<'EOF' > ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_sc.sh | |
| # Script created by pipeline during job. | |
| echo "Log level: [$1]." | |
| OUT_DIR_NAME=log_level_$1 | |
| OUT_DIR=runs/scripted/$OUT_DIR_NAME | |
| cd ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/transport_test | |
| mkdir -p $OUT_DIR | |
| ./transport_test.exec scripted $OUT_DIR/transport_test.srv.log info $1 \ | |
| < srv-script.txt > $OUT_DIR/transport_test.srv.console.log 2>&1 & | |
| SRV_PID=$! | |
| sleep 1 | |
| ./transport_test.exec scripted $OUT_DIR/transport_test.cli.log info $1 \ | |
| < cli-script.txt > $OUT_DIR/transport_test.cli.console.log 2>&1 & | |
| CLI_PID=$! | |
| wait $SRV_PID | |
| echo "Server finished OK (logs will be uploaded as artifacts)." | |
| wait $CLI_PID | |
| echo "Client finished OK (logs will be uploaded as artifacts)." | |
| cd $OUT_DIR/.. | |
| tar cvzf $OUT_DIR_NAME.tgz $OUT_DIR_NAME | |
| rm -rf $OUT_DIR_NAME | |
| - name: Run integration test [transport_test - Scripted mode] | |
| id: transport_test_scripted | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_sc.sh \ | |
| info | |
| - name: Re-run with increased logging, on failure only | |
| if: | | |
| !cancelled() && (steps.transport_test_scripted.outcome == 'failure') && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_sc.sh \ | |
| data | |
| # The following [Exercise mode] tests follow the instructions in bin/transport_test/README.txt. | |
| # Note that the creation of ~/bin/ex_..._run and placement of executables there, plus | |
| # /tmp/var/run for run-time files (PID files and similar), is a necessary consequence of | |
| # the ipc::session safety model for estabshing IPC conversations (sessions). | |
| - name: Prepare IPC-session safety-friendly run-time environment for [transport_test - Exercise mode] | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| rm -rf $GITHUB_WORKSPACE/build/${{ matrix.build-and-test-config.conan-profile-build-type }} | |
| mkdir -p ~/bin/ex_srv_run ~/bin/ex_cli_run | |
| mkdir -p /tmp/var/run | |
| cp -v ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/transport_test/transport_test.exec \ | |
| ~/bin/ex_srv.exec | |
| cp -v ~/bin/ex_srv.exec ~/bin/ex_cli.exec | |
| - name: Prepare run script for [transport_test - Exercise mode] variations below | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| cat <<'EOF' > ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh | |
| # Script created by pipeline during job. | |
| echo "Log level: [$1]." | |
| echo "Exercise sub-mode: [$2]." | |
| echo "Sub-mode snippet (none or 'shm-?'): [$3]." | |
| OUT_DIR=${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/transport_test/runs/exercise/$2 | |
| mkdir -p $OUT_DIR | |
| cd ~/bin/ex_srv_run | |
| ~/bin/ex_srv.exec exercise-srv$3 $OUT_DIR/transport_test.srv.log info $1 \ | |
| > $OUT_DIR/transport_test.srv.console.log 2>&1 & | |
| SRV_PID=$! | |
| sleep 5 | |
| ~/bin/ex_cli.exec exercise-cli$3 $OUT_DIR/transport_test.cli.log info $1 \ | |
| > $OUT_DIR/transport_test.cli.console.log 2>&1 & | |
| CLI_PID=$! | |
| wait $SRV_PID | |
| echo "Server finished OK (logs will be uploaded as artifacts)." | |
| wait $CLI_PID | |
| echo "Client finished OK (logs will be uploaded as artifacts)." | |
| cd $OUT_DIR/.. | |
| tar cvzf $2.tgz $2 | |
| rm -rf $2 | |
| EOF | |
| - name: Run integration test [transport_test - Exercise mode - Heap sub-mode] | |
| id: transport_test_ex_heap | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh \ | |
| info heap | |
| - name: Re-run with increased logging, on failure only | |
| if: | | |
| !cancelled() && (steps.transport_test_ex_heap.outcome == 'failure') && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh \ | |
| data heap_log_level_data | |
| - name: Run integration test [transport_test - Exercise mode - SHM-classic sub-mode] | |
| id: transport_test_ex_shm_c | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh \ | |
| info shm_classic -shm-c | |
| - name: Re-run with increased logging, on failure only | |
| if: | | |
| !cancelled() && (steps.transport_test_ex_shm_c.outcome == 'failure') && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh \ | |
| data shm_classic_log_level_data -shm-c | |
| - name: Run integration test [transport_test - Exercise mode - SHM-jemalloc sub-mode] | |
| id: transport_test_ex_shm_j | |
| if: | | |
| !cancelled() && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh \ | |
| info shm_jemalloc -shm-j | |
| - name: Re-run with increased logging, on failure only | |
| if: | | |
| !cancelled() && (steps.transport_test_ex_shm_j.outcome == 'failure') && !matrix.build-and-test-config.skip-transport-tests | |
| run: | | |
| ${{ env.setup-tests-env }} | |
| /usr/bin/bash -e \ | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/run_transport_test_ex.sh \ | |
| data shm_jemalloc_log_level_data -shm-j | |
| - name: Upload logs for [transport_test - All modes] | |
| if: | | |
| always() && !matrix.build-and-test-config.skip-transport-tests | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: ipc-transport-test-run-${{ matrix.compiler.id }}-${{ matrix.build-and-test-config.id }} | |
| path: | | |
| ${{ github.workspace }}/install/${{ matrix.build-and-test-config.conan-profile-build-type }}/usr/local/bin/transport_test/runs | |
| # TODO: Look into the topic of debuggability in case of a crash. Is a core generated? Is it saved? | |
| # Do we need to manually save it as an artifact? For that matter we would then need the binary and | |
| # ideally the source. For now we save any logs that are not printed to console, and where possible | |
| # our demos/tests keep it the console exclusively (but in some cases, such as transport_test, it | |
| # is not practical due to parallel execution and other aspects). In general it is always better that | |
| # logs are sufficient; but look into situations where they are not. | |
| # | |
| # Possibly this is all handled beautifully automatically; then this should be deleted. |