diff --git a/trace-analysis.ipynb b/trace-analysis.ipynb
index bc5e6cb..a515bb0 100644
--- a/trace-analysis.ipynb
+++ b/trace-analysis.ipynb
@@ -5,6 +5,7 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Importing libraries\n",
     "import os\n",
     "import sys\n",
     "import re\n",
@@ -40,6 +41,7 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Parsing user settings\n",
     "##################################################\n",
     "# User Settings\n",
     "##################################################\n",
@@ -145,7 +147,14 @@
     "BW_PATH = _expand_path(BW_PATH)\n",
     "CL_PATH = _expand_path(CL_PATH)\n",
     "\n",
-    "os.makedirs(OUT_PATH, exist_ok=True)"
+    "os.makedirs(OUT_PATH, exist_ok=True)\n",
+    "\n",
+    "print(\"User Settings:\")\n",
+    "g = globals()\n",
+    "for k, v in g.items():\n",
+    "    if not k.isupper():\n",
+    "        continue\n",
+    "    print(f\"  {k:.<40s} := {v}\")"
    ],
    "metadata": {
     "collapsed": false,
@@ -159,6 +168,7 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Importing system-dependent libraries\n",
     "sys.path.append(os.path.join(TRACING_WS_BUILD_PATH, \"tracetools_read/\"))\n",
     "sys.path.append(os.path.join(TRACING_WS_BUILD_PATH, \"tracetools_analysis/\"))\n",
     "from tracetools_read.trace import *\n",
@@ -193,6 +203,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Loading traces\n",
+    "\n",
     "def _load_traces():\n",
     "    file = load_file(TR_PATH)\n",
     "    handler = Ros2Handler.process(file)\n",
@@ -223,6 +235,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Printing message counts\n",
+    "\n",
     "for topic in sorted(topics, key=lambda t: t.name):\n",
     "    topic: TrTopic\n",
     "    print(f\"{topic.name:.<120s} | {sum(map(lambda p: len(p.instances), topic.publishers))}\")"
@@ -251,6 +265,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Building latency graph\n",
+    "\n",
     "from latency_graph import latency_graph as lg\n",
     "\n",
     "\n",
@@ -272,6 +288,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Plotting full data flow graph\n",
+    "\n",
     "%%skip_if_false DFG_ENABLED\n",
     "%%skip_if_false DFG_PLOT\n",
     "\n",
@@ -370,6 +388,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Plotting high-level data flow graph\n",
+    "\n",
     "%%skip_if_false DFG_ENABLED\n",
     "%%skip_if_false DFG_PLOT\n",
     "\n",
@@ -503,6 +523,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Defining tree helper functions\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "\n",
     "\n",
@@ -670,6 +692,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Building message trees\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "\n",
     "end_topics = [t for t in _tracing_context.topics if any(re.search(f, t.name) for f in E2E_OUTPUT_TOPIC_PATTERNS)]\n",
@@ -707,6 +731,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Parsing message stats\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "%%skip_if_false BW_ENABLED\n",
     "\n",
@@ -768,6 +794,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Calculating E2E latencies\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "\n",
     "def leaf_topics(tree: DepTree, lvl=0):\n",
@@ -840,6 +868,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Animating latency distribution over time\n",
+    "\n",
     "#from matplotlib.animation import FuncAnimation\n",
     "#from IPython import display\n",
     "\n",
@@ -891,6 +921,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Plotting E2E latencies\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "%%skip_if_false E2E_PLOT\n",
     "\n",
@@ -943,6 +975,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Decimating irrelevant trees\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "\n",
     "def critical_path(self):\n",
@@ -1009,12 +1043,11 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Plotting E2E latency breakdown\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "%%skip_if_false E2E_PLOT\n",
     "\n",
-    "\n",
-    "\n",
-    "\n",
     "def dict_safe_append(dictionary, key, value):\n",
     "    if key not in dictionary:\n",
     "        dictionary[key] = []\n",
@@ -1106,6 +1139,9 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Plotting E2E distribution\n",
+    "\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "%%skip_if_false E2E_PLOT\n",
     "\n",
@@ -1143,6 +1179,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Visualizing E2E tree\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "%%skip_if_false E2E_PLOT\n",
     "\n",
@@ -1345,6 +1383,8 @@
    "execution_count": null,
    "outputs": [],
    "source": [
+    "#papermill_description=Finding top critical paths\n",
+    "\n",
     "%%skip_if_false E2E_ENABLED\n",
     "\n",
     "critical_paths = {}\n",
@@ -1421,7 +1461,7 @@
     "        dur_str = colored(f\"{duration * 1000 :>.3f}ms\", colors[E2E_PLOT_TIMESTAMP])\n",
     "        print(f\"  -> {dur_str} {part}\")\n",
     "\n",
-    "out_df.to_csv(os.path.join(OUT_PATH, \"e2e.csv\"), sep=\"\\t\", index=False)"
+    "out_df.to_csv(os.path.join(OUT_PATH, \"e2e.csv\"), sep=\"\\t\", index=False)\n"
    ],
    "metadata": {
     "collapsed": false,
@@ -1429,18 +1469,6 @@
      "name": "#%%\n"
     }
    }
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "outputs": [],
-   "source": [],
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   }
   }
  ],
  "metadata": {