python · pablogsal · Apr 4, 2026 · Mar 31, 2026
@@ -292,6 +292,8 @@ function createPythonTooltip(data) {
    }

    const timeMs = (d.data.value / 1000).toFixed(2);
+    const selfSamples = d.data.self || 0;
+    const selfMs = (selfSamples / 1000).toFixed(2);
    const percentage = ((d.data.value / data.value) * 100).toFixed(2);
    const calls = d.data.calls || 0;
    const childCount = d.children ? d.children.length : 0;
@@ -403,9 +405,14 @@ function createPythonTooltip(data) {
        ${fileLocationHTML}
      </div>
      <div class="tooltip-stats">
-        <span class="tooltip-stat-label">Execution Time:</span>
+        <span class="tooltip-stat-label">Total Time:</span>
        <span class="tooltip-stat-value">${timeMs} ms</span>

+        ${selfSamples > 0 ? `
+          <span class="tooltip-stat-label">Self Time:</span>
+          <span class="tooltip-stat-value">${selfMs} ms</span>
+        ` : ''}
+
        <span class="tooltip-stat-label">Percentage:</span>
        <span class="tooltip-stat-value accent">${percentage}%</span>

@@ -1271,6 +1278,7 @@ function accumulateInvertedNode(parent, stackFrame, leaf, isDifferential) {
    const newNode = {
      name: stackFrame.name,
      value: 0,
+      self: 0,
      children: {},
      filename: stackFrame.filename,
      lineno: stackFrame.lineno,
@@ -1293,6 +1301,7 @@ function accumulateInvertedNode(parent, stackFrame, leaf, isDifferential) {

  const node = parent.children[key];
  node.value += leaf.value;
+  node.self += stackFrame.self || 0;
  if (leaf.threads) {
    leaf.threads.forEach(t => node.threads.add(t));
  }

@@ -207,6 +207,7 @@ def convert_children(children, min_samples):
                child_entry = {
                    "name": name_idx,
                    "value": samples,
+                    "self": node.get("self", 0),
                    "children": [],
                    "filename": filename_idx,
                    "lineno": func[1],

@@ -435,12 +435,14 @@ def test_flamegraph_collector_basic(self):
        strings = data.get("strings", [])
        name = resolve_name(data, strings)
        self.assertTrue(name.startswith("Program Root: "))
-        self.assertIn("func2 (file.py:20)", name)  # formatted name
+        self.assertIn("func2 (file.py:20)", name)
+        self.assertEqual(data["self"], 0)  # non-leaf: no self time
        children = data.get("children", [])
        self.assertEqual(len(children), 1)
        child = children[0]
        self.assertIn("func1 (file.py:10)", resolve_name(child, strings))
        self.assertEqual(child["value"], 1)
+        self.assertEqual(child["self"], 1)  # leaf: all time is self

    def test_flamegraph_collector_export(self):
        """Test flamegraph HTML export functionality."""