App transition delay tracking
Add TRON logging for all kinds aspects when we execute an app transition.
Bug: 27295491
Change-Id: Icb0cbdb92d4d5fbfedadd40a017a50eb217058aa
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 568edab..471feef 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -450,5 +450,33 @@
// Logged when a user double taps the overview button to launch the previous task
OVERVIEW_LAUNCH_PREVIOUS_TASK = 318;
+
+ // Logged when we execute an app transition. This indicates the total delay from startActivity
+ // until the app transition is starting to animate, in milliseconds.
+ APP_TRANSITION_DELAY_MS = 319;
+
+ // Logged when we execute an app transition. This indicates the reason why the transition
+ // started. Must be one of ActivityManagerInternal.APP_TRANSITION_* reasons.
+ APP_TRANSITION_REASON = 320;
+
+ // Logged when we execute an app transition and we drew a starting window. This indicates the
+ // delay from startActivity until the starting window was drawn.
+ APP_TRANSITION_STARTING_WINDOW_DELAY_MS = 321;
+
+ // Logged when we execute an app transition and all windows of the app got drawn. This indicates
+ // the delay from startActivity until all windows have been drawn.
+ APP_TRANSITION_WINDOWS_DRAWN_DELAY_MS = 322;
+
+ // Logged when we execute an app transition. This indicates the component name of the current
+ // transition.
+ APP_TRANSITION_COMPONENT_NAME = 323;
+
+ // Logged when we execute an app transition. This indicates whether the process was already
+ // running.
+ APP_TRANSITION_PROCESS_RUNNING = 324;
+
+ // Logged when we execute an app transition. This indicates the device uptime in seconds when
+ // the transition was executed.
+ APP_TRANSITION_DEVICE_UPTIME_SECONDS = 325;
}
}