test pahole

.github/actions/vmtest/action.yml

@@ -5,11 +5,16 @@ inputs:
     description: 'kernel or LATEST'
     required: true
     default: 'LATEST'
+  pahole:
+    description: 'pahole branch'
+    required: true
+    default: 'master'
 runs:
   using: "composite"
   steps:
     - run: |
         source /tmp/ci_setup
         export KERNEL=${{ inputs.kernel }}
+        export PAHOLE_BRANCH=${{ inputs.pahole }}
         $CI_ROOT/vmtest/run_vmtest.sh
       shell: bash