Bug 1766516 - add about:profiling thread checkboxes for java. r=canal…

…tinova,fluent-reviewers,flod

I tried to pick thread groups that are part of GeckoView (Gecko), might be
common to GeckoView products (Nimbus), and the Android ecosystem (Kotlin
coroutines) instead of threads that are fenix-specific.

Differential Revision: https://phabricator.services.mozilla.com/D144753

devtools/client/locales/en-US/perftools.ftl

@@ -20,6 +20,7 @@ perftools-heading-features-default = Features (Recommended on by default)
 perftools-heading-features-disabled = Disabled Features
 perftools-heading-features-experimental = Experimental
 perftools-heading-threads = Threads
+perftools-heading-threads-jvm = JVM Threads
 perftools-heading-local-build = Local build
 
 ##
@@ -95,6 +96,18 @@ perftools-thread-dns-resolver =
   .title = DNS resolution happens on this thread
 perftools-thread-task-controller =
   .title = TaskController thread pool threads
+perftools-thread-jvm-gecko =
+  .title = The main Gecko JVM thread
+perftools-thread-jvm-nimbus =
+  .title = The main threads for the Nimbus experiments SDK
+perftools-thread-jvm-default-dispatcher =
+  .title = The Default dispatcher for the Kotlin coroutines library
+perftools-thread-jvm-glean =
+  .title = The main threads for the Glean telemetry SDK
+perftools-thread-jvm-arch-disk-io =
+  .title = The IO dispatcher for the Kotlin coroutines library
+perftools-thread-jvm-pool =
+  .title = Threads created in an unnamed thread pool
 
 ##
 

devtools/client/performance-new/components/Settings.js

@@ -170,6 +170,46 @@ const threadColumns = [
   ],
 ];
 
+/** @type {Array<ThreadColumn[]>} */
+const jvmThreadColumns = [
+  [
+    {
+      name: "Gecko",
+      id: "gecko",
+      l10nId: "perftools-thread-jvm-gecko",
+    },
+    {
+      name: "Nimbus",
+      id: "nimbus",
+      l10nId: "perftools-thread-jvm-nimbus",
+    },
+  ],
+  [
+    {
+      name: "DefaultDispatcher",
+      id: "default-dispatcher",
+      l10nId: "perftools-thread-jvm-default-dispatcher",
+    },
+    {
+      name: "Glean",
+      id: "glean",
+      l10nId: "perftools-thread-jvm-glean",
+    },
+  ],
+  [
+    {
+      name: "arch_disk_io",
+      id: "arch-disk-io",
+      l10nId: "perftools-thread-jvm-arch-disk-io",
+    },
+    {
+      name: "pool-",
+      id: "pool",
+      l10nId: "perftools-thread-jvm-pool",
+    },
+  ],
+];
+
 /**
  * This component manages the settings for recording a performance profile.
  * @extends {React.PureComponent<Props, State>}
@@ -311,6 +351,7 @@ class Settings extends PureComponent {
             this._renderThreadsColumns(threadDisplay, index)
           )
         ),
+        this._renderJvmThreads(),
         div(
           {
             className: "perf-settings-checkbox-label perf-settings-all-threads",
@@ -361,6 +402,25 @@ class Settings extends PureComponent {
     );
   }
 
+  _renderJvmThreads() {
+    if (!this.props.supportedFeatures.includes("java")) {
+      return null;
+    }
+
+    return [
+      h2(
+        null,
+        Localized({ id: "perftools-heading-threads-jvm" }, "JVM Threads")
+      ),
+      div(
+        { className: "perf-settings-thread-columns" },
+        jvmThreadColumns.map((threadDisplay, index) =>
+          this._renderThreadsColumns(threadDisplay, index)
+        )
+      ),
+    ];
+  }
+
   /**
    * @param {React.ReactNode} sectionTitle
    * @param {FeatureDescription[]} features