Upload traffic monitoring log as artifacts

After enabling traffic monitor in bpf selftests, upload the log files
as artifacts.

Signed-off-by: Amery Hung <ameryhung@gmail.com>

Author: ameryhung

.github/workflows/kernel-test.yml

@@ -82,3 +82,4 @@ jobs:
           # Here we must use kbuild-output local to the repo, because
           # it was extracted from the artifacts.
           kbuild-output: ${{ env.REPO_ROOT }}/kbuild-output
+          toolchain_full: ${{ inputs.toolchain_full }}

run-vmtest/action.yml

@@ -31,6 +31,10 @@ inputs:
     description: 'Release version of vmtest tool to use'
     required: false
     default: 'v0.15.0'
+  toolchain_full:
+    required: true
+    type: string
+    description: The toolchain, e.g gcc, llvm
 
 runs:
   using: "composite"
@@ -76,4 +80,9 @@ runs:
         VMLINUZ: ${{ inputs.vmlinuz || '' }}
       run: |
         ${GITHUB_ACTION_PATH}/run.sh
+    - uses: actions/upload-artifact@v4
+      with:
+        name: tmon-logs-${{ inputs.arch }}-${{ inputs.toolchain_full }}${{ inputs.kernel-test }}
+        if-no-files-found: error
+        path: "/tmp/tmon_pcap/*"