Update format of benchmark results (#5060)

* Update format of benchmark results

* Use default formatted sightglass output

.github/workflows/performance.yml

@@ -13,7 +13,7 @@ on:
 
 # Env variables
 env:
-  SG_COMMIT: b4971ae
+  SG_COMMIT: 2ab01ac
   GITHUB_CONTEXT: ${{ toJson(github) }}
 
 jobs:
@@ -105,60 +105,23 @@ jobs:
         run: |
           cargo run -- \
           benchmark \
-          --processes 1 \
-          --iterations-per-process 2 \
+          --processes 5 \
+          --iterations-per-process 5 \
           --engine /tmp/wasmtime_main.so \
           --engine /tmp/wasmtime_commit.so \
-          --output-format csv \
-          --output-file /tmp/results.csv \
-          --raw \
-          -- benchmarks/*/benchmark.wasm
-          ./target/release/sightglass-cli summarize --input-format csv  --output-format csv -f /tmp/results.csv > /tmp/results_summarized.csv
-
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.9'
-
-      - name: Post Process Results
-        run: |
-          pip3 install pandas numpy
-          grep -v "nanoseconds" /tmp/results_summarized.csv > /tmp/results_cycles_summarized.csv
-          sed -i 's/\/tmp\/wasmtime_commit.so/patch/g' /tmp/results_cycles_summarized.csv
-          sed -i 's/\/tmp\/wasmtime_main.so/main/g' /tmp/results_cycles_summarized.csv
-          sed -i 's/benchmarks-next\///g'  /tmp/results_cycles_summarized.csv
-          sed -i 's/\/benchmark.wasm//g'  /tmp/results_cycles_summarized.csv
-          python3 -c "import pandas as pd; pp = pd.read_csv('/tmp/results_cycles_summarized.csv', \
-          usecols=['arch','engine','wasm', 'phase', 'mean'], header=0); \
-          pp_sorted = pp.sort_values(['wasm', 'phase', 'engine'], ascending=True); \
-          pp_pct_changed=pp_sorted.groupby(['wasm','phase'])['mean'].pct_change().reset_index().rename(columns = {'mean':'pct_change'}); \
-          pp_sorted.index.name = 'index'; \
-          pp_sorted_merged=pp_sorted.merge(pp_pct_changed, on='index'); \
-          pp_sorted_merged[pp_sorted_merged['engine'].str.contains('patch')]; \
-          pp_sorted_merged=pp_sorted_merged[pp_sorted_merged['engine'].str.contains('patch')]; \
-          pp_sorted_merged=pp_sorted_merged[['wasm','arch','phase','pct_change']]; \
-          print(pp_sorted_merged.to_string(index=False));" >  /tmp/results_cycles_summarized_sorted2.csv
-          sed -i 's/^/ /' /tmp/results_cycles_summarized_sorted2.csv
-          sed -i 's/ \+/|/g' /tmp/results_cycles_summarized_sorted2.csv
-          sed -i -z 's/\n/|\n/g' /tmp/results_cycles_summarized_sorted2.csv
-          sed -i '2 i\ |-|-|-|-|' /tmp/results_cycles_summarized_sorted2.csv
-          sed -i '/main/d' /tmp/results_cycles_summarized_sorted2.csv
-          sed -i '1 i\Shows pct_change on x64 for the patch if merged compared to current head for main.\n\
-          Pct_change is based on clocktick event cycles where the benchmarks are run with Sightglass. \
-          A negative pct_change means clockticks are expected to be reduced for the benchmark, \
-          for that phase, and by that factor, if the patch were merged (i.e. negative is good).\n' /tmp/results_cycles_summarized_sorted2.csv
+          --output-file /tmp/results.txt
 
       - name: Print Results
-        run: cat /tmp/results_cycles_summarized_sorted2.csv
+        run: cat /tmp/results.txt
 
       - id: get-comment-body
         name: Create Results Body
         run: |
-            body="$(cat /tmp/results_cycles_summarized_sorted2.csv)"
+            body="$(cat /tmp/results.txt)"
             body="${body//'%'/'%25'}"
             body="${body//$'\n'/'%0A'}"
             body="${body//$'\r'/'%0D'}"
-            echo "body=$body" >> $GITHUB_OUTPUT
+            echo "::set-output name=body::$body"
 
       - name: Publish Results
         run: |