Merge pull request #1475 from pguyot/w03/upload-dumped-cores

Upload cores dumped in build-and-test CI

After many frustrating runs, this code eventually allowed me to get a trace for
a rare core dump related to socket resources.

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

Author: bettio

.github/workflows/build-and-test.yaml

@@ -367,60 +367,69 @@ jobs:
       timeout-minutes: 15
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./tests/test-erlang -s prime_smp
         valgrind ./tests/test-erlang -s prime_smp
 
     - name: "Test: test-enif"
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./tests/test-enif
         valgrind ./tests/test-enif
 
     - name: "Test: test-mailbox"
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./tests/test-mailbox
         valgrind ./tests/test-mailbox
 
     - name: "Test: test-structs"
       timeout-minutes: 10
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./tests/test-structs
         valgrind ./tests/test-structs
 
     - name: "Test: test_etest.avm"
       timeout-minutes: 5
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./src/AtomVM ./tests/libs/etest/test_etest.avm
         valgrind ./src/AtomVM ./tests/libs/etest/test_etest.avm
 
     - name: "Test: test_estdlib.avm"
       timeout-minutes: 5
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./src/AtomVM ./tests/libs/estdlib/test_estdlib.avm
         valgrind ./src/AtomVM ./tests/libs/estdlib/test_estdlib.avm
 
     - name: "Test: test_eavmlib.avm"
       timeout-minutes: 10
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./src/AtomVM ./tests/libs/eavmlib/test_eavmlib.avm
         valgrind ./src/AtomVM ./tests/libs/eavmlib/test_eavmlib.avm
 
     - name: "Test: test_alisp.avm"
       timeout-minutes: 10
       working-directory: build
       run: |
+        ulimit -c unlimited
         ./src/AtomVM ./tests/libs/alisp/test_alisp.avm
         valgrind ./src/AtomVM ./tests/libs/alisp/test_alisp.avm
 
     - name: "Test: Tests.avm (Elixir)"
       timeout-minutes: 10
       working-directory: build
       run: |
+        ulimit -c unlimited
         if command -v elixirc &> /dev/null
         then
           ./src/AtomVM ./tests/libs/exavmlib/Tests.avm
@@ -430,7 +439,40 @@ jobs:
     - name: "Install and smoke test"
       working-directory: build
       run: |
+        ulimit -c unlimited
         sudo PATH=${PATH} make install
         atomvm examples/erlang/hello_world.avm
         atomvm -v
         atomvm -h
+
+    - name: "Run coredumpctl info"
+      if: ${{ failure() }}
+      run: |
+        # Wait until systemd-coredump finished
+        while ps x | grep -cE 'systemd-[c]oredump'; do
+            echo systemd-coredump is still running
+            sleep 1
+        done
+        # info works on all versions of ubuntu
+        coredumpctl info || true
+        # The following only works on recent versions of ubuntu
+        coredumpctl debug --debugger-arguments="-batch -ex 'info all-registers'" || true
+        coredumpctl debug --debugger-arguments="-batch -ex 'info threads'" || true
+        coredumpctl debug --debugger-arguments="-batch -ex 'thread apply all bt full'" || true
+        coredumpctl debug --debugger-arguments='-batch -ex "display /10i $pc"' || true
+        coredumpctl dump -o core.dump || true
+        if [ -e core.dump ]; then
+            mkdir core
+            mv core.dump core/
+            cp build/src/AtomVM core/
+            cp build/tests/test-* core/
+        fi
+
+    - name: "Upload any dumped core"
+      uses: actions/upload-artifact@v4
+      if: ${{ failure() }}
+      with:
+        name: core-${{ matrix.os }}-${{ matrix.cc }}-${{ matrix.otp }}-${{ github.run_id }}-${{ github.run_attempt }}
+        path: |
+            core/*
+        retention-days: 5