Get resctrl perf status

.github/workflows/get-resctrl-and-perf-info.yaml

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+name: Get Resctrl and Perf info
+on: workflow_dispatch  # Manual trigger for testing
+
+# Add permissions needed for OIDC authentication
+permissions:
+  id-token: write # Required for requesting the JWT
+
+jobs:
+  start-runner:
+    name: Start EC2 runner
+    runs-on: ubuntu-latest
+    outputs:
+      label: ${{ steps.start-ec2-runner.outputs.label }}
+      ec2-instance-id: ${{ steps.start-ec2-runner.outputs.ec2-instance-id }}
+    steps:
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_ARN }}
+          aws-region: ${{ secrets.AWS_REGION }}
+          role-session-name: github-runner-session
+
+      - name: Start EC2 runner
+        id: start-ec2-runner
+        uses: machulav/[email protected]
+        with:
+          mode: start
+          github-token: ${{ secrets.REPO_ADMIN_TOKEN }}
+          ec2-image-id: ami-0cb91c7de36eed2cb  # Ubuntu Server 24.04 LTS (HVM), SSD Volume Type
+          ec2-instance-type: m7i.metal-24xl
+          market-type: spot
+          subnet-id: ${{ secrets.AWS_SUBNET_ID }}
+          security-group-id: ${{ secrets.AWS_SECURITY_GROUP_ID }}
+          pre-runner-script: |
+            sudo yum update -y && \
+            sudo yum install docker git libicu -y
+            sudo systemctl enable docker
+          aws-resource-tags: >
+            [
+              {"Key": "Name", "Value": "github-runner"},
+              {"Key": "Repository", "Value": "${{ github.repository }}"},
+              {"Key": "Workflow", "Value": "${{ github.workflow }}"},
+              {"Key": "RunId", "Value": "${{ github.run_id }}"},
+              {"Key": "RunNumber", "Value": "${{ github.run_number }}"},
+              {"Key": "SHA", "Value": "${{ github.sha }}"},
+              {"Key": "Branch", "Value": "${{ github.ref_name }}"},
+              {"Key": "Actor", "Value": "${{ github.actor }}"}
+            ]
+
+  do-job:
+    needs: start-runner
+    runs-on: ${{ needs.start-runner.outputs.label }}
+    steps:
+      - name: List perf counters
+        run: |
+          perf list
+      - name: List perf - detailed
+        run: |
+          perf list --long-desc --details || true
+      - name: Check perf paranoid
+        run: |
+          ls /proc/sys/kernel/perf_event_paranoid
+          cat /proc/sys/kernel/perf_event_paranoid
+      - name: Check RDT Capabilities
+        run: |
+          sudo mkdir -p /sys/fs/resctrl
+          sudo mount -t resctrl resctrl /sys/fs/resctrl || true
+
+          echo "Mounting resctrl filesystem"
+          mount | grep resctrl || true
+
+          echo "Checking RDT capabilities"
+          ls /sys/fs/resctrl/info || true
+
+          echo "Monitoring features:"
+          cat /sys/fs/resctrl/info/L3_MON/mon_features || true
+
+          echo "Number of available RMIDs:"
+          cat /sys/fs/resctrl/info/L3_MON/num_rmids || true
+
+          echo "Number of CAT classes:"
+          cat /sys/fs/resctrl/info/L3/num_closids || true
+
+          echo "CPU RDT features:"
+          grep -E "cat_l3|cdp_l3|cqm_occup_llc|cqm_mbm_total|cqm_mbm_local" /proc/cpuinfo || true
+
+          # we do not unmount, maybe mounting affects the intel_cqm checks below
+          #sudo umount /sys/fs/resctrl || true           
+      - name: Check intel_cqm
+        run: |
+          echo "*** Listing /sys/devices/intel_cqm"
+          ls -la /sys/devices/intel_cqm || true
+          echo "*** Traversing  /sys/devices/intel_cqm/events"
+          find /sys/devices/intel_cqm/events || true
+          echo "checking type"
+          cat /sys/devices/intel_cqm/type || true
+          echo "reading llc_occupancy"
+          cat /sys/devices/intel_cqm/events/llc_occupancy || true
+          cat /sys/devices/intel_cqm/events/llc_occupancy.scale || true
+      - name: Power off
+        run: |
+          shutdown --poweroff now
+
+  stop-runner:
+    name: Stop EC2 runner
+    needs: [start-runner, do-job]
+    runs-on: ubuntu-latest
+    if: always()  # Run even if previous jobs fail
+    steps:
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_ARN }}
+          aws-region: ${{ secrets.AWS_REGION }}
+          role-session-name: github-runner-session
+
+      - name: Stop EC2 runner
+        uses: machulav/[email protected]
+        with:
+          mode: stop
+          github-token: ${{ secrets.REPO_ADMIN_TOKEN }}
+          label: ${{ needs.start-runner.outputs.label }}
+          ec2-instance-id: ${{ needs.start-runner.outputs.ec2-instance-id }}