try other ways to get prover PID

.github/workflows/ci-prover-e2e.yml

@@ -86,6 +86,7 @@ jobs:
       - name: Run Prover Job Monitor
         run: |
           ci_run zk_inception prover run --component=prover-job-monitor --docker=false &>prover_logs/prover-job-monitor.log &
+          echo $!
       - name: Wait for batch to be available
         env:
           DATABASE_URL: postgres://postgres:notsecurepassword@localhost:5432/zksync_prover_localhost_provers
@@ -121,6 +122,8 @@ jobs:
       - name: Kill prover & start compressor
         run: |
           nvidia-smi
+          fuser -v /dev/nvidia*
+          ps ax
           
           chmod +x ./bin/prover_checkers/clean_gpu
           ./bin/prover_checkers/clean_gpu