Adding tracing to VoteStorage updates

Bug: b/297933745
Test: maunal testing, see comment 11
Change-Id: I7f19e092f9f747e89e36bc756606b380953cea93

1 files changed, 13 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/display/mode/VotesStorage.java b/services/core/java/com/android/server/display/mode/VotesStorage.java
index dadcebe8d8a1..bdd2ab7d63b4 100644
--- a/services/core/java/com/android/server/display/mode/VotesStorage.java
+++ b/services/core/java/com/android/server/display/mode/VotesStorage.java
@@ -18,6 +18,7 @@ package com.android.server.display.mode;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.os.Trace;
 import android.util.Slog;
 import android.util.SparseArray;
 
@@ -104,6 +105,9 @@ class VotesStorage {
                 votes.remove(priority);
             }
         }
+        Trace.traceCounter(Trace.TRACE_TAG_POWER,
+                TAG + "." + displayId + ":" + Vote.priorityToString(priority),
+                getMaxPhysicalRefreshRate(vote));
         if (mLoggingEnabled) {
             Slog.i(TAG, "Updated votes for display=" + displayId + " votes=" + votes);
         }
@@ -146,6 +150,15 @@ class VotesStorage {
         }
     }
 
+    private int getMaxPhysicalRefreshRate(@Nullable Vote vote) {
+        if (vote == null) {
+            return -1;
+        } else if (vote.refreshRateRanges.physical.max == Float.POSITIVE_INFINITY) {
+            return 1000; // for visualisation, otherwise e.g. -1 -> 60 will be unnoticeable
+        }
+        return (int) vote.refreshRateRanges.physical.max;
+    }
+
     interface Listener {
         void onChanged();
     }