Try in gh comment

.github/workflows/perfs.yml

@@ -6,8 +6,10 @@ on:
 jobs:
   perf-tests:
     runs-on: [ubuntu-latest]
+    permissions:
+      pull-requests: write
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -21,5 +23,21 @@ jobs:
       - run: export DISPLAY=:99
       - run: sudo Xvfb -ac :99 -screen 0 1280x1024x24 > /dev/null 2>&1 & # optional
       - run:
-          node tests/performance/run.mjs -b $GITHUB_BASE_REF -u
-          https://github.com/canalplus/rx-player.git
+          node tests/performance/run.mjs --branch $GITHUB_BASE_REF --remote-git-url
+          https://github.com/canalplus/rx-player.git --report perf-report.md
+      - name: Post comment
+        if: always()
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const { readFileSync, existsSync } = require('fs');
+            if (!existsSync("./perf-report.md")) {
+              return;
+            }
+            const fileContent =  readFileSync("./perf-report.md").toString();
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: "Automated performance checks have found a sensible difference on commit \`${{github.event.pull_request.head.sha}}\` with the base branch \`${{github.base_ref}}\`:\n\n" + fileContent,
+            })