Get cores

Signed-off-by: Paul Guyot <pguyot@kallisys.net>

Author: pguyot

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

@@ -319,6 +319,13 @@ jobs:
     - name: "Install deps"
       run: sudo apt install -y ${{ matrix.compiler_pkgs}} cmake gperf zlib1g-dev doxygen valgrind libmbedtls-dev
 
+    - name: Set cores to get stored in /cores
+      run: |
+        sudo mkdir /cores
+        sudo chmod 777 /cores
+        # Core filenames will be of the form executable.pid.timestamp:
+        sudo bash -c 'echo "/cores/%e.%p.%t" > /proc/sys/kernel/core_pattern'
+
     # Builder info
     - name: "System info"
       run: |
@@ -367,60 +374,69 @@ 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 +446,15 @@ 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: "Upload any dumped core"
+      uses: actions/upload-artifact@v3
+      if: ${{ failure() }}  # Run only if something went wrong
+      with:
+         name: cores-${{ github.run_id }}-${{ github.run_attempt }}
+         path: /cores