env llvm

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

.github/workflows/codeql.yml

@@ -36,6 +36,8 @@ jobs:
           build-mode: manual
         - language: python
           build-mode: none
+    env:
+      LLVM_TOOLCHAIN_PATH: /usr/lib/llvm-16
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -89,7 +91,7 @@ jobs:
         run: |
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
-          west twister -p native_sim --build-only -T tests/kernel -T tests/drivers/build_all/sensor/ -v
+          west twister -p native_sim --build-only -T tests/kernel -T tests/drivers/build_all/sensor/ -v -j 16
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3