Separate the artifacts files so it's easier to download

Signed-off-by: Shreeya Patel <spatel@ciq.com>

Author: shreeya-patel98

.github/workflows/kernel-build-and-test-x86_64.yml

@@ -45,15 +45,35 @@ jobs:
           -v "$PWD/output":/output \
           --security-opt label=disable \
           pulp.prod.ciq.dev/ciq/cicd/lts-images/builder \
-          build_kernel.sh -c lts-9.2-kernel-builder
+          build_kernel.sh -c lts-9.2-kernel-builder 2>&1 | tee output/kernel-build.log
         sudo dmesg
 
-    # Artifacts: qcow2 + metadata
-    - name: Upload build artifacts
+    # Upload kernel compilation logs
+    - name: Upload kernel compilation logs
       uses: actions/upload-artifact@v4
       if: always()
       with:
-        name: kernel-build-x86_64
+        name: kernel-compilation-logs-x86_64
+        path: output/kernel-build.log
+        retention-days: 7
+
+    # Upload kselftest logs
+    - name: Upload kselftest logs
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: kselftest-logs-x86_64
+        path: |
+          output/kselftests-*.log
+          output/dmesg-*.log
+        retention-days: 7
+
+    # Upload qcow2 image
+    - name: Upload qcow2 image
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: kernel-qcow2-image-x86_64
         path: |
           output/*.qcow2
           output/last_build_image.txt