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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <event_tracer.h>
/**
* @file
*
* This file contains the hooks that are inserted across various parts of the
* core runtime code to call into the EventTracer class for logging of profiling
* and debugging events. Any calls made to the EventTracer from the runtime must
* be made via these hooks.
* Users shouldn't directly add these hooks in their code and it's meant only
* for usage in ExecuTorch internal code.
*
* The benefit of defining these hooks is that we can easily control whether or
* not we want to compile in the EventTracer code based on the status of the
* ET_EVENT_TRACER_ENABLED flag.
*/
namespace torch {
namespace executor {
namespace internal {
/**
* This class enables scope based profiling where needed using RAII.
* Profiling will be started when the object is created and will end
* when the object goes out of scope.
*/
class EventTracerProfileScope final {
public:
EventTracerProfileScope(EventTracer* event_tracer, const char* name) {};
~EventTracerProfileScope() {};
private:
EventTracer* event_tracer_;
EventTracerEntry event_entry_;
};
/**
* This class enables scope based profiling where needed using RAII.
* Profiling will be started when the object is created and will end
* when the object goes out of scope.
*/
class EventTracerProfileOpScope final {
public:
EventTracerProfileOpScope(EventTracer* event_tracer, const char* name) {};
~EventTracerProfileOpScope() {};
private:
EventTracer* event_tracer_;
EventTracerEntry event_entry_;
};
/**
* This class helps us set and then clear out the chain id and debug handle
* values stored in the event tracer class using RAII. This is typically called
* in the executor loop before entering the codegen layer to configure the chain
* id and debug handle of the current instruction being executed.
* After we return from the kernel execution we can then reset the chain id and
* debug handle to defaults when this object goes out of scope.
*/
class EventTracerProfileInstructionScope final {
public:
EventTracerProfileInstructionScope(
EventTracer* event_tracer,
ChainID chain_idx,
DebugHandle debug_handle) {};
~EventTracerProfileInstructionScope() {};
private:
EventTracer* event_tracer_;
};
void event_tracer_log_evalue(EventTracer* event_tracer, EValue& evalue) {
(void)evalue;
}
} // namespace internal
} // namespace executor
} // namespace torch
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