util: Add DDR channel selection to manual perf [skip ci]

.github/workflows/gem5-perf-template.yml

@@ -25,6 +25,11 @@ on:
         required: false
         type: string
         description: "Benchmark type: base, simple"
+      ddr_config:
+        required: false
+        type: string
+        description: "DRAMsim3 DDR config: 2ch or 8ch. Empty/default maps to 2ch."
+        default: "2ch"
       check_result:
         required: false
         type: boolean
@@ -217,6 +222,7 @@ jobs:
           echo "run_number: $RUN_NUMBER" >> "$TARGET_DIR/metadata.txt"
           echo "benchmark_type: ${{ inputs.benchmark_type }}" >> "$TARGET_DIR/metadata.txt"
           echo "specific_benchmarks: ${{ inputs.specific_benchmarks }}" >> "$TARGET_DIR/metadata.txt"
+          echo "ddr_config: ${{ inputs.ddr_config }}" >> "$TARGET_DIR/metadata.txt"
           echo "workflow_run_id: ${{ github.run_id }}" >> "$TARGET_DIR/metadata.txt"
 
           {
@@ -251,12 +257,28 @@ jobs:
             export GCB_MULTI_CORE_RESTORER=""
           fi
 
+          extra_args="${{ inputs.extra_args }}"
+          case "${{ inputs.ddr_config }}" in
+            default|""|2ch)
+              extra_args="${extra_args} --dramsim3-ini=$GEM5_HOME/ext/dramsim3/xiangshan_configs/xiangshan_DDR4_8Gb_x8_3200_2ch.ini"
+              ;;
+            8ch)
+              extra_args="${extra_args} --dramsim3-ini=$GEM5_HOME/ext/dramsim3/xiangshan_configs/xiangshan_DDR4_8Gb_x8_3200_8ch.ini"
+              ;;
+            *)
+              echo "Error: Invalid ddr_config '${{ inputs.ddr_config }}'. Must be one of: 2ch, 8ch"
+              exit 1
+              ;;
+          esac
+          extra_args="$(echo "$extra_args" | xargs)"
+          echo "Resolved extra gem5 args: $extra_args"
+
           bash "$GEM5_HOME/util/xs_scripts/parallel_sim.sh" "$(realpath "$CONFIG_PATH")" \
             ${{ steps.config.outputs.checkpoint_list }} \
             ${{ steps.config.outputs.checkpoint_root_node}} \
             spec_all \
             "${{ inputs.specific_benchmarks }}" \
-            "${{ inputs.extra_args }}"
+            "$extra_args"
       - name: Setup gem5_data_proc environment
         run: |
           # 使用本地数据处理仓库，避免GitHub网络问题

.github/workflows/manual-perf.yml

@@ -1,5 +1,5 @@
 name: Manual Performance Test
-run-name: ${{ format('{0} - {1} - {2}{3} - {4} - {5}', github.event.inputs.note || 'Manual Performance Test', github.event.inputs.configuration, github.event.inputs.benchmark_type, github.event.inputs.specific_benchmarks && format(' ({0})', github.event.inputs.specific_benchmarks) || '', github.event.inputs.branch || github.ref_name, github.event.inputs.vector_type) }}
+run-name: ${{ format('{0} - {1} - {2}{3} - {4} - {5} - {6}', github.event.inputs.note || 'Manual Performance Test', github.event.inputs.configuration, github.event.inputs.benchmark_type, github.event.inputs.specific_benchmarks && format(' ({0})', github.event.inputs.specific_benchmarks) || '', github.event.inputs.branch || github.ref_name, github.event.inputs.vector_type, github.event.inputs.ddr_config) }}
 
 on:
   workflow_dispatch:
@@ -49,6 +49,14 @@ on:
         options:
           - base
           - simple
+      ddr_config:
+        description: 'DRAMsim3 DDR config'
+        required: false
+        type: choice
+        default: '2ch'
+        options:
+          - 2ch
+          - 8ch
       branch:
         description: 'Branch, tag or SHA to test (leave empty for current branch)'
         required: false
@@ -59,18 +67,15 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       config_path: ${{ steps.resolve.outputs.config_path }}
-      extra_args: ${{ steps.resolve.outputs.extra_args }}
       pr_sha: ${{ steps.resolve.outputs.pr_sha }}
     steps:
       - name: Resolve parameters
         id: resolve
         run: |
           if [[ "${{ github.event.inputs.benchmark_type }}" == gcc12-spec06-smt-* ]]; then
             echo "config_path=configs/example/smt_idealkmhv3.py" >> $GITHUB_OUTPUT
-            echo "extra_args=" >> $GITHUB_OUTPUT
           else
             echo "config_path=configs/example/${{ github.event.inputs.configuration }}" >> $GITHUB_OUTPUT
-            echo "extra_args=" >> $GITHUB_OUTPUT
           fi
 
           if [ -n "${{ github.event.inputs.branch }}" ]; then
@@ -84,9 +89,9 @@ jobs:
     uses: ./.github/workflows/gem5-perf-template.yml
     with:
       config_path: ${{ needs.setup.outputs.config_path }}
-      extra_args: ${{ needs.setup.outputs.extra_args }}
       benchmark_type: ${{ github.event.inputs.benchmark_type }}
       specific_benchmarks: ${{ github.event.inputs.specific_benchmarks }}
       vector_type: ${{ github.event.inputs.vector_type }}
+      ddr_config: ${{ github.event.inputs.ddr_config }}
       pr_sha: ${{ needs.setup.outputs.pr_sha }}
       check_result: true