From 1934b5c8377e8811e197ce6fad9fa9824dd7d4dc Mon Sep 17 00:00:00 2001
From: Lee Dogeon <dev.moreal@gmail.com>
Date: Sun, 18 Jan 2026 00:48:04 +0900
Subject: [PATCH 1/2] Add criterion-metadata.json manually

---
 _data/criterion-metadata.json | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 _data/criterion-metadata.json

diff --git a/_data/criterion-metadata.json b/_data/criterion-metadata.json
new file mode 100644
index 00000000..c65d3056
--- /dev/null
+++ b/_data/criterion-metadata.json
@@ -0,0 +1,5 @@
+{
+  "generated_at": "2026-01-07T14:06:57Z",
+  "rustpython_commit": "c490a357fd54d578ae92681b8b1b4bae5006d843",
+  "rustpython_ref": "main"
+}

From 285df5ada3e02170bace5794e02d265dfbaca855 Mon Sep 17 00:00:00 2001
From: Lee Dogeon <dev.moreal@gmail.com>
Date: Sun, 18 Jan 2026 02:00:59 +0900
Subject: [PATCH 2/2] Render criterion metadata

---
 _layouts/benchmarks.html | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/_layouts/benchmarks.html b/_layouts/benchmarks.html
index bc6704a7..4e21f4be 100644
--- a/_layouts/benchmarks.html
+++ b/_layouts/benchmarks.html
@@ -22,6 +22,14 @@
         {{ content }}
     </div>
 
+    {% assign metadata = site.data["criterion-metadata"] %}
+    <div class="text-muted mt-2">
+        <small>
+            Generated: {{ metadata.generated_at | date: "%Y-%m-%d %H:%M" }} UTC
+            | RustPython commit: <a href="https://github.com/RustPython/RustPython/commit/{{ metadata.rustpython_commit }}">{{ metadata.rustpython_commit | truncate: 7, "" }}</a>
+        </small>
+    </div>
+
     {% assign folders = "" | split: ", " %}
     {% for folder in site.static_files %}
         {% if folder.path contains 'criterion/' %}