feat: update benchmarking script to use aiperf (#3306)

Signed-off-by: Biswa Panda <biswa.panda@gmail.com>
Signed-off-by: lkomali <lkomali@nvidia.com>
Co-authored-by: lkomali <lkomali@nvidia.com>
Co-authored-by: Harshini Komali <157742537+lkomali@users.noreply.github.com>

recipes/llama-3-70b/vllm/disagg-single-node/perf.yaml

@@ -38,7 +38,7 @@ spec:
           mkdir -p "$ARTIFACT_DIR"
           echo "Running benchmark..."
           export COLUMNS=200
-          genai-perf profile \
+          aiperf profile \
             --model "$TARGET_MODEL" \
             --tokenizer ~/.cache/huggingface/hub/models--RedHatAI--Llama-3.3-70B-Instruct-FP8-dynamic/snapshots/ddb4128556dfcff99e0c41aee159ea6c3e655dcd  \
             --endpoint-type chat --url "$ENDPOINT" --streaming \
@@ -58,10 +58,10 @@ spec:
             --num-dataset-entries=3000 -- \
             --max-threads 64
           echo "----------------json----------------"
-          PERF_JSON=$(find $ARTIFACT_DIR -name profile_export_genai_perf.json)
+          PERF_JSON=$(find $ARTIFACT_DIR -name profile_export_aiperf.json)
           cat $PERF_JSON | jq .
           echo "----------------csv-----------------"
-          PERF_CSV=$(find $ARTIFACT_DIR -name profile_export_genai_perf.csv)
+          PERF_CSV=$(find $ARTIFACT_DIR -name profile_export_aiperf.csv)
           cat $PERF_CSV
           echo "Benchmark completed successfully!"
         volumeMounts: