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Initialize Perfetto with the in-process backend on iOS #59415

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Initialize Perfetto with the in-process backend on iOS #59415

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10 changes: 10 additions & 0 deletions packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfetto.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,10 @@
#include <perfetto.h>
#include <unordered_map>

#ifdef __APPLE__
#include <TargetConditionals.h>
#endif

#include "FuseboxPerfettoDataSource.h"
#include "HermesPerfettoDataSource.h"
#include "ReactPerfettoCategories.h"
Expand All @@ -26,7 +30,13 @@ void initializePerfetto() {
// is only used in tracing build, large buffers are okay
// for now.
args.shmem_size_hint_kb = 20 * 1024;
#if defined(__APPLE__) && TARGET_OS_IPHONE
// iOS and the other Apple device platforms have no system tracing
// service.
args.backends |= perfetto::kInProcessBackend;
#else
args.backends |= perfetto::kSystemBackend;
#endif
args.use_monotonic_clock = true;
perfetto::Tracing::Initialize(args);
TrackEvent::Register();
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