commit 43a68c3fd6da28753a612965b4072ef93f9f888e
author Ady Abraham <adyabr@google.com> Wed Sep 04 19:21:20 2024 -0700
committer Ady Abraham <adyabr@google.com> Fri Sep 13 01:14:57 2024 +0000
tree b57673b69f19f6af8cdbba4b873d073ac0c43f6a
parent 9a4c026c402afc2f49856ca6d01f8c6d50a9a56f

SF: Do not trace FrameTimeline before start

Filter FrameTimeline events for frames started before the trace started.

Bug: 364194637
Test: manual
Flag: com.android.graphics.surfaceflinger.flags.filter_frames_before_trace_starts
Change-Id: I9185f384f306eddab1afc2ea9d7901dd70d2f1a2

services/surfaceflinger/common/FlagManager.cpp

diff --git a/services/surfaceflinger/common/FlagManager.cpp b/services/surfaceflinger/common/FlagManager.cpp
index 08412cb..12d6138 100644
--- a/services/surfaceflinger/common/FlagManager.cpp
+++ b/services/surfaceflinger/common/FlagManager.cpp
@@ -143,6 +143,7 @@
     DUMP_READ_ONLY_FLAG(ce_fence_promise);
     DUMP_READ_ONLY_FLAG(idle_screen_refresh_rate_timeout);
     DUMP_READ_ONLY_FLAG(graphite_renderengine);
+    DUMP_READ_ONLY_FLAG(filter_frames_before_trace_starts);
     DUMP_READ_ONLY_FLAG(latch_unsignaled_with_auto_refresh_changed);
     DUMP_READ_ONLY_FLAG(deprecate_vsync_sf);
     DUMP_READ_ONLY_FLAG(allow_n_vsyncs_in_targeter);
@@ -248,6 +249,7 @@
 FLAG_MANAGER_READ_ONLY_FLAG(vrr_bugfix_dropped_frame, "")
 FLAG_MANAGER_READ_ONLY_FLAG(ce_fence_promise, "");
 FLAG_MANAGER_READ_ONLY_FLAG(graphite_renderengine, "debug.renderengine.graphite")
+FLAG_MANAGER_READ_ONLY_FLAG(filter_frames_before_trace_starts, "")
 FLAG_MANAGER_READ_ONLY_FLAG(latch_unsignaled_with_auto_refresh_changed, "");
 FLAG_MANAGER_READ_ONLY_FLAG(deprecate_vsync_sf, "");
 FLAG_MANAGER_READ_ONLY_FLAG(allow_n_vsyncs_in_targeter, "");