Add docs for on-demand DumpController dumping

Test: atest Change-Id: Ib0e879cc397ef5477ff26e1fd607503ba9eae190
2020-01-09 23:23:04 -05:00
parent b4632bca2e
commit cf4da9207d
1 changed files with 8 additions and 0 deletions
--- a/packages/SystemUI/src/com/android/systemui/DumpController.kt
+++ b/packages/SystemUI/src/com/android/systemui/DumpController.kt
@@ -30,6 +30,14 @@ import javax.inject.Singleton
 /**
 * Controller that allows any [Dumpable] to subscribe and be dumped along with other SystemUI
 * dependencies.
+ *
+ * To dump a specific dumpable on-demand:
+ *
+ * ```
+ * $ adb shell dumpsys activity service com.android.systemui/.SystemUIService dependency DumpController <tag1>,<tag2>,<tag3>
+ * ```
+ *
+ * Where tag1, tag2, etc. are the tags of the dumpables you want to dump.
 */
@Singleton
 class DumpController @Inject constructor() : Dumpable {