Adds API for apps to push events to statsd.
This API allows app to construct custom metrics based on labels
chosen by the app developers. Also added some buttons to manually
test this functionality in the dogfood app.
Test: Verified that Android can be built and tested with custom app.
Bug: 69522276
Change-Id: Ifb7abea4c1d62fb435a9cb6f32df12bc2234d82f
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 716fee6..3471737 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -79,6 +79,7 @@
IsolatedUidChanged isolated_uid_changed = 43;
PacketWakeupOccurred packet_wakeup_occurred = 44;
DropboxErrorChanged dropbox_error_changed = 45;
+ AppHook app_hook = 46;
// TODO: Reorder the numbering so that the most frequent occur events occur in the first 15.
}
@@ -801,6 +802,29 @@
optional int32 is_foreground = 7;
}
+/*
+ * Allows other apps to push events into statsd.
+ * Logged from:
+ * frameworks/base/core/java/android/util/StatsLog.java
+ */
+message AppHook {
+ // The uid of the application that sent this custom atom.
+ optional int32 uid = 1;
+
+ // An arbitrary label chosen by the developer. For Android P, the label should be in [0, 16).
+ optional int32 label = 2;
+
+ // Allows applications to easily use a custom event as start/stop boundaries (ie, define custom
+ // predicates for the metrics).
+ enum State {
+ UNKNOWN = 0;
+ UNSPECIFIED = 1; // For events that are known to not represent START/STOP.
+ STOP = 2;
+ START = 3;
+ }
+ optional State state = 3;
+}
+
/**
* Pulls bytes transferred via wifi (Sum of foreground and background usage).
*