collect C++ code coverage (#23619)

* collect cpp coverage

* install llvm

* compile with coverage

* cd to root

* remove broken gcda files

* remove newline

* delete more stuff

* script to collect coverage

* Update tools/collect_coverage.sh

* actually delete

.github/workflows/selfdrive_tests.yaml

@@ -209,7 +209,7 @@ jobs:
       run: eval "$BUILD"
     - name: Run valgrind
       run: |
-        ${{ env.RUN }} "scons -j$(nproc) && \
+        ${{ env.RUN }} "scons -j$(nproc) --coverage && \
                         FILEREADER_CACHE=1 python selfdrive/test/test_valgrind_replay.py"
     - name: Print logs
       if: always()
@@ -244,7 +244,7 @@ jobs:
       run: eval "$BUILD"
     - name: Run unit tests
       run: |
-        ${{ env.RUN }} "scons -j$(nproc) --test && \
+        ${{ env.RUN }} "scons -j$(nproc) --test --coverage && \
                         coverage run selfdrive/test/test_fingerprints.py && \
                         $UNIT_TEST common && \
                         $UNIT_TEST opendbc/can && \
@@ -265,7 +265,7 @@ jobs:
                         ./selfdrive/proclogd/tests/test_proclog && \
                         ./selfdrive/ui/replay/tests/test_replay && \
                         ./selfdrive/camerad/test/ae_gray_test && \
-                        coverage xml"
+                        tools/collect_coverage.sh"
     - name: "Upload coverage to Codecov"
       uses: codecov/codecov-action@v2
 
@@ -299,9 +299,9 @@ jobs:
       run: eval "$BUILD"
     - name: Run replay
       run: |
-        ${{ env.RUN }} "scons -j$(nproc) && \
+        ${{ env.RUN }} "scons -j$(nproc) --coverage && \
                         FILEREADER_CACHE=1 CI=1 coverage run selfdrive/test/process_replay/test_processes.py && \
-                        coverage xml"
+                        tools/collect_coverage.sh"
     - name: "Upload coverage to Codecov"
       uses: codecov/codecov-action@v2
     - name: Print diff
@@ -354,10 +354,12 @@ jobs:
     - name: Test longitudinal
       run: |
         ${{ env.RUN }} "mkdir -p selfdrive/test/out && \
-                        scons -j$(nproc) && \
+                        scons -j$(nproc) --coverage && \
                         cd selfdrive/test/longitudinal_maneuvers && \
                         coverage run ./test_longitudinal.py && \
-                        coverage xml"
+                        coverage xml && \
+                        cd ../../.. && \
+                        tools/collect_coverage.sh"
     - name: "Upload coverage to Codecov"
       uses: codecov/codecov-action@v2
     - uses: actions/upload-artifact@v2
@@ -401,9 +403,9 @@ jobs:
       run: eval "$BUILD"
     - name: Test car models
       run: |
-        ${{ env.RUN }} "scons -j$(nproc) --test && \
+        ${{ env.RUN }} "scons -j$(nproc) --test --coverage && \
                         FILEREADER_CACHE=1 coverage run -m pytest selfdrive/test/test_models.py && \
-                        coverage xml && \
+                        tools/collect_coverage.sh && \
                         chmod -R 777 /tmp/comma_download_cache"
       env:
         NUM_JOBS: 4