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Alyssa Rosenzweig
a10f984b1c
alternative to #3638. this is theoretically better for side-by-side diffs. in practice it may make other diffs worse since all the \'s change when part of the macro change. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
// SPDX-License-Identifier: MIT
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#pragma once
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#include <FEXCore/Utils/CompilerDefs.h>
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#include <FEXCore/fextl/string.h>
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#include <atomic>
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#include <stdint.h>
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#include <type_traits>
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#include <filesystem>
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namespace FEXCore::Telemetry {
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enum TelemetryType {
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TYPE_HAS_SPLIT_LOCKS,
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TYPE_16BYTE_SPLIT,
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TYPE_USES_VEX_OPS,
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TYPE_USES_EVEX_OPS,
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TYPE_CAS_16BIT_TEAR,
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TYPE_CAS_32BIT_TEAR,
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TYPE_CAS_64BIT_TEAR,
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TYPE_CAS_128BIT_TEAR,
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TYPE_CRASH_MASK,
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// If a 32-bit application is writing a non-zero value to segments.
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TYPE_WRITES_32BIT_SEGMENT_ES,
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TYPE_WRITES_32BIT_SEGMENT_SS,
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TYPE_WRITES_32BIT_SEGMENT_CS,
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TYPE_WRITES_32BIT_SEGMENT_DS,
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// If a 32-bit application is prefix/using a non-zero segment on memory access.
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TYPE_USES_32BIT_SEGMENT_ES,
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TYPE_USES_32BIT_SEGMENT_SS,
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TYPE_USES_32BIT_SEGMENT_CS,
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TYPE_USES_32BIT_SEGMENT_DS,
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TYPE_UNHANDLED_NONCANONICAL_ADDRESS,
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TYPE_LAST,
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};
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#ifndef FEX_DISABLE_TELEMETRY
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class Value;
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class Value final {
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public:
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Value() = default;
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Value(uint64_t Default)
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: Data {Default} {}
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uint64_t operator*() const {
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return Data;
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}
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void operator=(uint64_t Value) {
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Data = Value;
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}
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void operator|=(uint64_t Value) {
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Data |= Value;
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}
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void operator++(int) {
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Data++;
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}
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std::atomic<uint64_t>* GetAddr() {
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return &Data;
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}
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private:
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std::atomic<uint64_t> Data;
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};
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FEX_DEFAULT_VISIBILITY Value& GetTelemetryValue(TelemetryType Type);
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FEX_DEFAULT_VISIBILITY void Initialize();
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FEX_DEFAULT_VISIBILITY void Shutdown(const fextl::string& ApplicationName);
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// Telemetry object declaration
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// This returns the internal structure to the telemetry data structures
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// One must be careful with placing these in the hot path of code execution
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// It can be fairly costly, especially in the static version where it puts barriers in the code
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#define FEXCORE_TELEMETRY_STATIC_INIT(Name, Type) \
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static FEXCore::Telemetry::Value& Name = FEXCore::Telemetry::GetTelemetryValue(FEXCore::Telemetry::Type)
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#define FEXCORE_TELEMETRY_INIT(Name, Type) FEXCore::Telemetry::Value& Name = FEXCore::Telemetry::GetTelemetryValue(FEXCore::Telemetry::Type)
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// Telemetry ALU operations
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// These are typically 3-4 instructions depending on what you're doing
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#define FEXCORE_TELEMETRY_SET(Name, Value) Name = Value
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#define FEXCORE_TELEMETRY_OR(Name, Value) Name |= Value
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#define FEXCORE_TELEMETRY_INC(Name) Name++
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// Returns a pointer to std::atomic<uint64_t>. Can be useful if you are attempting to JIT telemetry accesses for debug purposes
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// Not recommended to do telemetry inside JIT code in production code
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#define FEXCORE_TELEMETRY_Addr(Name) Name->GetAddr()
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#else
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static inline void Initialize() {}
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static inline void Shutdown(const fextl::string& ApplicationName) {}
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#define FEXCORE_TELEMETRY_STATIC_INIT(Name, Type)
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#define FEXCORE_TELEMETRY_INIT(Name, Type)
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#define FEXCORE_TELEMETRY(Name, Value) \
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do { \
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} while (0)
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#define FEXCORE_TELEMETRY_SET(Name, Value) \
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do { \
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} while (0)
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#define FEXCORE_TELEMETRY_OR(Name, Value) \
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do { \
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} while (0)
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#define FEXCORE_TELEMETRY_INC(Name) \
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do { \
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} while (0)
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#define FEXCORE_TELEMETRY_Addr(Name) reinterpret_cast<std::atomic<uint64_t>*>(nullptr)
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#endif
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} // namespace FEXCore::Telemetry
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