APS5_ENABLE_TRACY=ON builds the Tracy 0.14.1 client from the new
3rdparty/tracy submodule as a shared library next to the patched
libraries. Every PerformanceTimer scope of libSceAgcDriver and
libSceVideoOut becomes a Tracy zone, each presented flip ends a frame,
and the queue workers and the presenter name their threads. The client
listens only on localhost and records only while a profiler is
connected; sampling, system tracing, call stacks, code transfer and its
crash handler are off. Without the option nothing of Tracy is compiled.
On MinGW the client is built without thread_local destructors and with
TRACY_DELAYED_INIT, because emulated TLS frees thread_local objects
before their destructors run; a thread's event producer then stays
alive until the process exits instead of being destroyed on freed
memory.
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