Build metrics - collect information about produced build items

core/builder/src/main/java/io/quarkus/builder/BuildContext.java

@@ -254,6 +254,7 @@ private void doProduce(ItemId id, BuildItem value) {
                 throw Messages.msg.cannotMulti(id);
             }
         }
+        execution.getMetrics().buildItemProduced(value);
     }
 
     void depFinished() {

core/builder/src/main/java/io/quarkus/builder/BuildMetrics.java

@@ -13,6 +13,7 @@
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Map.Entry;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -21,6 +22,7 @@
 
 import io.quarkus.builder.Json.JsonArrayBuilder;
 import io.quarkus.builder.Json.JsonObjectBuilder;
+import io.quarkus.builder.item.BuildItem;
 
 public class BuildMetrics {
 
@@ -30,6 +32,7 @@ public class BuildMetrics {
     private volatile long duration;
     private final String buildTargetName;
     private final ConcurrentMap<String, BuildStepRecord> records = new ConcurrentHashMap<>();
+    private final ConcurrentMap<String, Integer> buildItems = new ConcurrentHashMap<>();
     private final AtomicInteger idGenerator;
 
     public BuildMetrics(String buildTargetName) {
@@ -54,11 +57,22 @@ public void buildStepFinished(StepInfo stepInfo, String thread, LocalTime starte
                 new BuildStepRecord(idGenerator.incrementAndGet(), stepInfo, thread, started, duration));
     }
 
+    public void buildItemProduced(BuildItem buildItem) {
+        buildItems.compute(buildItem.getClass().getName(), this::itemProduced);
+    }
+
+    private Integer itemProduced(String key, Integer val) {
+        if (val == null) {
+            return 1;
+        }
+        return val + 1;
+    }
+
     public void dumpTo(Path file) throws IOException {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("HH:mm:ss.SSS");
 
-        List<BuildStepRecord> sorted = new ArrayList<>(records.values());
-        sorted.sort(new Comparator<BuildStepRecord>() {
+        List<BuildStepRecord> sortedSteps = new ArrayList<>(records.values());
+        sortedSteps.sort(new Comparator<BuildStepRecord>() {
             @Override
             public int compare(BuildStepRecord o1, BuildStepRecord o2) {
                 return Long.compare(o2.duration, o1.duration);
@@ -72,7 +86,7 @@ public int compare(BuildStepRecord o1, BuildStepRecord o2) {
 
         JsonArrayBuilder steps = Json.array();
         json.put("records", steps);
-        for (BuildStepRecord rec : sorted) {
+        for (BuildStepRecord rec : sortedSteps) {
             JsonObjectBuilder recObject = Json.object();
             recObject.put("id", rec.id);
             recObject.put("stepId", rec.stepInfo.getBuildStep().getId());
@@ -91,6 +105,27 @@ public int compare(BuildStepRecord o1, BuildStepRecord o2) {
             recObject.put("dependents", dependentsArray);
             steps.add(recObject);
         }
+
+        List<Entry<String, Integer>> sortedItems = new ArrayList<>(buildItems.size());
+        buildItems.entrySet().forEach(sortedItems::add);
+        sortedItems.sort(new Comparator<Entry<String, Integer>>() {
+            @Override
+            public int compare(Entry<String, Integer> o1, Entry<String, Integer> o2) {
+                return Integer.compare(o2.getValue(), o1.getValue());
+            }
+        });
+        JsonArrayBuilder items = Json.array();
+        json.put("items", items);
+        Integer itemsCount = 0;
+        for (Entry<String, Integer> e : sortedItems) {
+            JsonObjectBuilder itemObject = Json.object();
+            itemObject.put("class", e.getKey());
+            itemObject.put("count", e.getValue());
+            items.add(itemObject);
+            itemsCount += e.getValue();
+        }
+        json.put("itemsCount", itemsCount);
+
         try (BufferedWriter writer = new BufferedWriter(new FileWriter(file.toFile(), StandardCharsets.UTF_8))) {
             json.appendTo(writer);
         }

extensions/vertx-http/deployment/src/main/java/io/quarkus/vertx/http/deployment/devmode/BuildMetricsDevConsoleProcessor.java

@@ -57,8 +57,8 @@ public Map<String, Object> get() {
                                 buildDuration = data.getLong("duration");
                                 buildStarted = LocalDateTime
                                         .parse(data.getString("started"), DateTimeFormatter.ISO_LOCAL_DATE_TIME).toLocalTime();
-                                JsonArray records = data.getJsonArray("records");
 
+                                JsonArray records = data.getJsonArray("records");
                                 for (Object record : records) {
                                     JsonObject recordObj = (JsonObject) record;
                                     recordObj.put("encodedStepId", URLEncoder.encode(recordObj.getString("stepId"),
@@ -73,7 +73,10 @@ public Map<String, Object> get() {
                                     }
                                     steps.add(recordObj);
                                 }
+
                                 metrics.put("records", records);
+                                metrics.put("items", data.getJsonArray("items"));
+                                metrics.put("itemsCount", data.getInteger("itemsCount"));
                                 metrics.put("duration", buildDuration);
                             } catch (IOException e) {
                                 LOG.error(e);

extensions/vertx-http/deployment/src/main/resources/dev-templates/index.html

@@ -15,6 +15,12 @@
                        Build Steps
                    </a>
                </p>
+               <p class="card-text">
+                   <a href="io.quarkus.quarkus-vertx-http/build-items" class="badge badge-light">
+                       <i class="fas fa-hard-hat"></i>
+                       Build Items
+                   </a>
+               </p>
            </div>
        </div>
    </div>

extensions/vertx-http/deployment/src/main/resources/dev-templates/io.quarkus.quarkus-vertx-http/build-items.html

@@ -0,0 +1,34 @@
+{#let metrics=info:buildMetrics.get}
+
+{#include main fluid=true}
+{#title}Build Items{/title}
+{#body}
+<p class="lead mt-4 mb-4">
+Produced <strong>{metrics.itemsCount}</strong> build items.
+</p>
+
+<table class="table table-striped mb-4">
+   <thead class="thead-dark">
+    <tr>
+      <th scope="col">#</th>
+      <th scope="col">Build Item</th>
+      <th scope="col">Count</th>
+    </tr>
+   </thead>
+   <tbody>
+    {#for item in metrics.items}
+    <tr>
+      <td>{item_count}</td>
+      <td>
+      {item.class}
+      </td>
+      <td>
+      {item.count} 
+      </td>
+    {/for}
+   </tbody>
+  </table>
+
+{/include}
+
+{/let}