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add support for JIT profiling with VTune

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This commit is contained in:
RSDuck 2021-07-24 16:20:03 +02:00
parent c9b918d305
commit 6944fdbe78
5 changed files with 67 additions and 0 deletions
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7
CMakeLists.txt
View File

@ -67,6 +67,13 @@ endif()
if (ENABLE_JIT)
add_definitions(-DJIT_ENABLED)
option(ENABLE_JIT_PROFILING "Enable JIT profiling with VTune" OFF)
if (ENABLE_JIT_PROFILING)
include(cmake/FindVTune.cmake)
add_definitions(-DJIT_PROFILING_ENABLED)
endif()
endif()
if (CMAKE_BUILD_TYPE STREQUAL Release)

5
cmake/FindVTune.cmake Normal file
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@ -0,0 +1,5 @@
find_path(VTUNE_PATH "")
include_directories("${VTUNE_PATH}/include")
link_directories("${VTUNE_PATH}/lib64")

43
src/ARMJIT_x64/ARMJIT_Compiler.cpp
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@ -22,6 +22,7 @@
#include "../Config.h"
#include <assert.h>
#include <stdarg.h>
#include "../dolphin/CommonFuncs.h"
@ -298,6 +299,10 @@ Compiler::Compiler()
SetJumpTarget(und);
MOV(32, R(RSCRATCH3), MComplex(RCPU, RSCRATCH2, SCALE_4, offsetof(ARM, R_UND)));
RET();
#ifdef JIT_PROFILING_ENABLED
CreateMethod("ReadBanked", ReadBanked);
#endif
}
{
// RSCRATCH mode
@ -341,6 +346,10 @@ Compiler::Compiler()
MOV(32, MComplex(RCPU, RSCRATCH2, SCALE_4, offsetof(ARM, R_UND)), R(RSCRATCH3));
CLC();
RET();
#ifdef JIT_PROFILING_ENABLED
CreateMethod("WriteBanked", WriteBanked);
#endif
}
for (int consoleType = 0; consoleType < 2; consoleType++)
@ -401,6 +410,10 @@ Compiler::Compiler()
ABI_PopRegistersAndAdjustStack(CallerSavedPushRegs, 8);
RET();
#ifdef JIT_PROFILING_ENABLED
CreateMethod("FastMemStorePatch%d_%d_%d", PatchedStoreFuncs[consoleType][num][size][reg], num, size, reg);
#endif
for (int signextend = 0; signextend < 2; signextend++)
{
PatchedLoadFuncs[consoleType][num][size][signextend][reg] = GetWritableCodePtr();
@ -439,6 +452,10 @@ Compiler::Compiler()
else
MOVZX(32, 8 << size, rdMapped, R(RSCRATCH));
RET();
#ifdef JIT_PROFILING_ENABLED
CreateMethod("FastMemLoadPatch%d_%d_%d_%d", PatchedLoadFuncs[consoleType][num][size][signextend][reg], num, size, reg, signextend);
#endif
}
}
}
@ -668,6 +685,28 @@ void Compiler::Comp_SpecialBranchBehaviour(bool taken)
}
}
#ifdef JIT_PROFILING_ENABLED
void Compiler::CreateMethod(const char* namefmt, void* start, ...)
{
if (iJIT_IsProfilingActive())
{
va_list args;
va_start(args, start);
char name[64];
vsprintf(name, namefmt, args);
va_end(args);
iJIT_Method_Load method = {0};
method.method_id = iJIT_GetNewMethodID();
method.method_name = name;
method.method_load_address = start;
method.method_size = GetWritableCodePtr() - (u8*)start;
iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, (void*)&method);
}
}
#endif
JitBlockEntry Compiler::CompileBlock(ARM* cpu, bool thumb, FetchedInstr instrs[], int instrsCount, bool hasMemoryInstr)
{
if (NearSize - (GetCodePtr() - NearStart) < 1024 * 32) // guess...
@ -805,6 +844,10 @@ JitBlockEntry Compiler::CompileBlock(ARM* cpu, bool thumb, FetchedInstr instrs[]
ADD(32, MDisp(RCPU, offsetof(ARM, Cycles)), Imm32(ConstantCycles));
JMP((u8*)ARM_Ret, true);
#ifdef JIT_PROFILING_ENABLED
CreateMethod("JIT_Block_%d_%d_%08X", (void*)res, Num, Thumb, instrs[0].Addr);
#endif
/*FILE* codeout = fopen("codeout", "a");
fprintf(codeout, "beginning block argargarg__ %x!!!", instrs[0].Addr);
fwrite((u8*)res, GetWritableCodePtr() - (u8*)res, 1, codeout);

8
src/ARMJIT_x64/ARMJIT_Compiler.h
View File

@ -25,6 +25,10 @@
#include "../ARMJIT_Internal.h"
#include "../ARMJIT_RegisterCache.h"
#ifdef JIT_PROFILING_ENABLED
#include <jitprofiling.h>
#endif
#include <unordered_map>
namespace ARMJIT
@ -230,6 +234,10 @@ public:
u8* RewriteMemAccess(u8* pc);
#ifdef JIT_PROFILING_ENABLED
void CreateMethod(const char* namefmt, void* start, ...);
#endif
u8* FarCode;
u8* NearCode;
u32 FarSize;

4
src/CMakeLists.txt
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@ -124,3 +124,7 @@ else()
target_link_libraries(core rt)
endif()
endif()
if (ENABLE_JIT_PROFILING)
target_link_libraries(core jitprofiling)
endif()