diff --git a/shell/common/vsync_waiter_fallback.cc b/shell/common/vsync_waiter_fallback.cc index fc23c6180a4ff..514dc02fac5e6 100644 --- a/shell/common/vsync_waiter_fallback.cc +++ b/shell/common/vsync_waiter_fallback.cc @@ -5,6 +5,7 @@ #include "flutter/shell/common/vsync_waiter_fallback.h" #include "flutter/fml/logging.h" +#include "flutter/fml/trace_event.h" namespace flutter { namespace { @@ -27,6 +28,8 @@ VsyncWaiterFallback::~VsyncWaiterFallback() = default; // |VsyncWaiter| void VsyncWaiterFallback::AwaitVSync() { + TRACE_EVENT0("flutter", "VSYNC"); + constexpr fml::TimeDelta kSingleFrameInterval = fml::TimeDelta::FromSecondsF(1.0 / 60.0);