Compare commits
3 commits
dcf3cd2ac2
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e9b478d569
| Author | SHA1 | Date | |
|---|---|---|---|
| e9b478d569 | |||
| a4a35bd911 | |||
| 14b4d72d8a |
9 changed files with 308 additions and 191 deletions
5
buildall.bat
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5
buildall.bat
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@ -0,0 +1,5 @@
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REM MS yo me cago en tus putisimos muertos que cojones es este bug centenario estupido y miserable con los parametros?
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REM este comentario es de cuando me lo encontre hace rato, pero me hace gracia, asi que se queda
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CALL buildlib.bat
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CALL buildtest.bat
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5
builddall.bat
Normal file
5
builddall.bat
Normal file
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@ -0,0 +1,5 @@
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REM MS yo me cago en tus putisimos muertos que cojones es este bug centenario estupido y miserable con los parametros?
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REM este comentario es de cuando me lo encontre hace rato, pero me hace gracia, asi que se queda
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CALL builddlib.bat
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CALL builddtest.bat
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3
builddlib.bat
Normal file
3
builddlib.bat
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@ -0,0 +1,3 @@
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clang++ -DDEBUG -D_DEBUG -shared src\tmrtsc.cpp -o build\libtmrtscd.dll -Wall -Wextra -Wpedantic -std=c++11 -g -gcodeview -Wl,-pdb= -L C:\capybara\libclang\x86_64-w64-mingw32\bin -Wl,-Bstatic -l c++ -l unwind --verbose
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REM -lmsvcrt -lucrtbase -lvcruntime140_app
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4
builddtest.bat
Normal file
4
builddtest.bat
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@ -0,0 +1,4 @@
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clang++ -DDEBUG -D_DEBUG -dynamic src\test\test.cpp -o build\testd.exe -Wall -Wextra -Wpedantic -std=c++11 -g -gcodeview -Wl,-pdb= -L C:\capybara\libclang\x86_64-w64-mingw32\bin -L D:\Contenido\Capybara\Cositas\tmr\build -Wl,-Bstatic -l c++ -l unwind -Wl,-Bdynamic -l tmrtsc --verbose
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REM -fms-runtime-lib dll_dbgx
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REM -lmsvcrt -lucrtbase -lvcruntime140_app
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@ -1 +1,2 @@
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clang++ -D DEBUG src\tmrtsc.hpp -Wall -Wextra -Wpedantic -std=c++11 -g -gcodeview -Wl,-pdb= -L C:\capybara\libclang\x86_64-w64-mingw32\bin -l c++ -l unwind --verbose
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clang++ -shared src\tmrtsc.cpp -o build\libtmrtsc.dll -Wall -Wextra -Wpedantic -std=c++11 -L C:\capybara\libclang\x86_64-w64-mingw32\bin -Wl,-Bstatic -l c++ -l unwind --verbose
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1
buildtest.bat
Normal file
1
buildtest.bat
Normal file
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@ -0,0 +1 @@
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clang++ -dynamic src\test\test.cpp -o build\test.exe -Wall -Wextra -Wpedantic -std=c++11 -L C:\capybara\libclang\x86_64-w64-mingw32\bin -L D:\Contenido\Capybara\Cositas\tmr\build -Wl,-Bstatic -l c++ -l unwind -Wl,-Bdynamic -l tmrtsc --verbose
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48
src/test/test.cpp
Normal file
48
src/test/test.cpp
Normal file
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@ -0,0 +1,48 @@
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#ifdef _WIN64
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#define UNICODE
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#define WIN32_LEAN_AND_MEAN
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#define DllImport __declspec( dllimport )
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#define _MT
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#define _DLL
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#include <Windows.h>
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#include <libloaderapi.h>
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#endif
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#include "../debug.h"
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#include "../tmrtsc.hpp"
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using namespace tmr;
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#ifdef _WIN64
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int main(int argc, char** argv){
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HMODULE dell;
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DWORD fracaso;
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//DllImport TSCTimer* timer;
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int sleep = 1000;
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/*
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* dell = LoadLibraryExW(TEXT("libtmrtsc.dll"), NULL, NULL);
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* if (dell == NULL) {
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* fracaso = GetLastError();
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* return -1;
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* }
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*/
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TSCTimer* timer = nullptr;
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timer = TSCTimer::getTimer();
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if(timer == nullptr)
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return -2;
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uint64_t t1 = timer->getTimeStamp();
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Sleep(sleep);
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uint64_t t2 = timer->getTimeStamp();
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uint64_t fr = timer->getBaseFrequency();
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std::cout << "Siestecita de: " << sleep << " ms" << std::endl;
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std::cout << "Windows Momento: \nt1: " << t1 << " t2: " << t2 << " fr: " << fr << std::endl;
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std::cout << "restita: " << t2-t1 << std::endl;
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return 0;
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}
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#else
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int main(int argc, char** argv){
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return -9;
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}
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#endif
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209
src/tmrtsc.cpp
Normal file
209
src/tmrtsc.cpp
Normal file
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@ -0,0 +1,209 @@
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//TODO juntar heaps?
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#include "tmrtsc.hpp"
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#if _WIN64
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extern "C" {
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#endif
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namespace tmr {
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TSCTimer::TSCTimer(char* vendorName, int64_t baseFreq) {
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this->vendorName = vendorName;
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this->baseFreq = baseFreq;
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this->availableRDTSCP = (checkRDTSCP()) ? true : false;
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}
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TSCTimer::~TSCTimer () {
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free(vendorName);
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}
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bool TSCTimer::checkInvariantTSC() {
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uint64_t rdx;
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asm volatile (".intel_syntax noprefix\t\n" \
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"mov eax, 0x80000007\t\n" \
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"cpuid\t\n" : "=d" (rdx) );
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bool iTSC = rdx & (1<<8);
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return iTSC;
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}
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char* TSCTimer::readVendorName () {
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char* palabritas = (char*)malloc(sizeof(char) * 13);
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uint8_t siguienteLetra = 0;
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uint64_t regs[3];
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asm volatile ( ".intel_syntax noprefix\t\n" \
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"mov eax, 0x0\t\n" \
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"cpuid\t\n" : "=b" (regs[0]), "=c" (regs[2]), "=d" (regs[1]) );
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int byte = 0;
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for (int reg = 0; reg < 3; reg++, byte = 0){
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char* charifiedReg = (char*)®s[reg];
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for(; byte < 4; byte++, siguienteLetra++ ){
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palabritas[siguienteLetra] = charifiedReg[byte];
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}
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}
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palabritas[siguienteLetra] = '\0';
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return palabritas;
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}
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int64_t TSCTimer::intelRetrieveART(){
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//TODO: Find a valid Intel CPU to debug ART route
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//if (freq == nullptr) return -
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uint64_t raxde, rbxnum, rcxhz;
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asm volatile ( ".intel_syntax noprefix\t\n" \
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"mov eax, 0x15\t\n" \
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"cpuid\t\n" : "=a" (raxde), "=b" (rbxnum), "=c" (rcxhz) );
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log_debugcpp("hmm " << raxde << " " << rbxnum << " " << rcxhz);
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if (rbxnum == 0 || rcxhz == 0) return ART_NOT_REPORTED;
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int64_t TSCFreq = (rcxhz * rbxnum)/raxde;
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//*freq = TSCFreq;
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log_debugcpp("raxo " << TSCFreq << " " << TSCFreq);
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return TSCFreq;
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}
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#ifdef _WIN64
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int64_t TSCTimer::getFreqFromSystem(){
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//TODO: close opened key
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const WORD STRING_SIZE = 4;
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const WCHAR COMPARE_TARGET[STRING_SIZE + 1] = L"~MHz";
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DWORD longestDataSize;
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LSTATUS status;
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HKEY key;
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DWORD numValues;
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WCHAR valName[MAX_VALUE_NAME]; //uint32_t wtf
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DWORD valLen = MAX_VALUE_NAME;
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LPBYTE dataContent = nullptr;
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DWORD dataLen;
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status = RegOpenKeyExW(HKEY_LOCAL_MACHINE, TEXT("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0"), 0,
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KEY_QUERY_VALUE, &key);
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if(status != ERROR_SUCCESS) return CANT_OPEN_KEY;
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status = RegQueryInfoKey(
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key, // key handle
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NULL, // buffer for class name
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NULL, // size of class string
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NULL, // reserved
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NULL, // num of subkeys
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NULL, // longest subkey size
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NULL, // longest class string
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&numValues, // num of values for this key
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NULL, // longest value name
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&longestDataSize, // longest value data
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NULL, // security descriptor
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NULL); // last write time
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if(status != ERROR_SUCCESS) return CANT_RETRIEVE_KEY_INFO;
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dataLen = sizeof(REG_QWORD) * (longestDataSize);
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dataContent = (LPBYTE)malloc(dataLen);
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for (DWORD i = 0; i < numValues; i++){
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valLen = MAX_VALUE_NAME;
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dataLen = sizeof(REG_QWORD) * (longestDataSize);
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status = RegEnumValueW(key,
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i,
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valName,
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&valLen,
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NULL,
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NULL,
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dataContent,
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&dataLen
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);
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if(status != ERROR_SUCCESS) return CANT_READ_DATA_FROM_VALUE;
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if (CSTR_EQUAL == CompareStringEx(
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LOCALE_NAME_INVARIANT,
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NORM_LINGUISTIC_CASING,
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valName,
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valLen,
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COMPARE_TARGET,
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STRING_SIZE,
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NULL,
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NULL,
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0
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)
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) {
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LPDWORD PMHz = (LPDWORD)dataContent;
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DWORD MHz = *PMHz;
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free(dataContent);
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return MHz * 1000000;
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}
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}
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return CANT_READ_DATA_FROM_VALUE;
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}
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#endif
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bool TSCTimer::checkRDTSCP(){ //Generic
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uint64_t rdx;
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asm volatile (".intel_syntax noprefix\t\n" \
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"mov eax, 0x80000001\t\n" \
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// 080000007h\t\n"
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"cpuid\t\n" : "=d" (rdx) );
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bool RDTSCP = rdx & (1<<27);
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//"and edx, 10000000\n")
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return RDTSCP;
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}
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uint64_t TSCTimer::readRDTSC() {
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uint64_t raxlo,rdxho;
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asm volatile ( ".intel_syntax noprefix\t\n"
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"lfence\n" \
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"rdtsc\n" \
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"lfence\n" : "=a" (raxlo), "=d" (rdxho));
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return (rdxho << 32) + raxlo; //|
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}
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uint64_t TSCTimer::readRDTSCP(uint64_t* logicore) {
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uint64_t raxlo,rdxho, rcx;
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asm volatile ( ".intel_syntax noprefix\t\n"
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"rdtscp\t\n"
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"lfence\t\n": "=a" (raxlo), "=d" (rdxho), "=c" (rcx) );
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if (logicore != nullptr) *logicore = rcx;
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return (rdxho << 32) + raxlo; //|
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}
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TSCTimer* TSCTimer::getTimer() {
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if (!checkInvariantTSC()) return nullptr;
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//TODO debug dis
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const char vendorNames[2][13] = {
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{"AuthenticAMD"},
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{"GenuineIntel"}
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};
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char* vendorName = readVendorName();
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int64_t baseFreq = ART_NOT_REPORTED;
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if (strcmp(vendorName, vendorNames[1]) == 0)
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baseFreq = intelRetrieveART();
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if (baseFreq == ART_NOT_REPORTED)
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baseFreq = getFreqFromSystem();
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if (baseFreq < OPERATION_SUCCESSFUL)
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return nullptr;
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//timer =
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return new TSCTimer(vendorName, baseFreq);
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//return OPERATION_SUCCESSFUL;
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}
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uint64_t TSCTimer::getTimeStamp(){
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if (availableRDTSCP)
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return readRDTSCP();
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else
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return readRDTSC();
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}
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uint64_t TSCTimer::getBaseFrequency(){
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return baseFreq;
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}
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}
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#ifdef _WIN64
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}
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#endif
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221
src/tmrtsc.hpp
221
src/tmrtsc.hpp
|
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@ -1,4 +1,5 @@
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//TODO It's threadin' time
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#pragma once
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#ifdef _WIN64
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#define LIB_EXPORT __declspec(dllexport)
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@ -7,6 +8,8 @@
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#define _WIN32_WINNT _WIN32_WINNT_WIN10 //0x0A00
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#define MAX_KEY_LENGTH 255
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#define MAX_VALUE_NAME 32767
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#define _MT
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#define _DLL
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#include <Windows.h>
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#include <winreg.h>
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#include <stringapiset.h>
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@ -20,22 +23,22 @@
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#include <cstring>
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#include "debug.h"
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/*
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* #if _WIN64
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* extern "C" {)
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* #endif
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*/
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#if _WIN64
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extern "C" {
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#endif
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namespace tmr {
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#ifdef _WIN64
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enum LIB_EXPORT winReturnValues{
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enum winReturnValues{
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CANT_OPEN_KEY = -1,
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CANT_RETRIEVE_KEY_INFO = -2,
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CANT_READ_DATA_FROM_VALUE = -3,
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CANT_RETRIEVE_FREQUENCY = -4
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};
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#endif
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enum LIB_EXPORT ReturnValues {
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enum ReturnValues {
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OPERATION_SUCCESSFUL = 0,
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INVARIANT_TSC_NOT_SUPPORTED = -1,
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UNSUPPORTED_CPU = -2,
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|
@ -46,211 +49,49 @@ namespace tmr {
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class LIB_EXPORT TSCTimer {
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private:
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static TSCTimer timer;
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//static TSCTimer timer;
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|
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char* vendorName;
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int64_t baseFreq = ART_NOT_REPORTED;
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bool availableRDTSCP;
|
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bool availableRDTSCP = false;
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int64_t art; //reserved
|
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|
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TSCTimer (char* vendorName, int64_t baseFreq) {
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this->vendorName = vendorName;
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this->baseFreq = baseFreq;
|
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availableRDTSCP = (checkRDTSCP()) ? true : false;
|
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}
|
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TSCTimer(char* vendorName, int64_t baseFreq);
|
||||
|
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~TSCTimer () {
|
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free(vendorName);
|
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}
|
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~TSCTimer();
|
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|
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static bool checkInvariantTSC() {
|
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uint64_t rdx;
|
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asm volatile (".intel_syntax noprefix\t\n" \
|
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"mov eax, 0x80000007\t\n" \
|
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"cpuid\t\n" : "=d" (rdx) );
|
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bool iTSC = rdx & (1<<8);
|
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return iTSC;
|
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}
|
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static bool checkInvariantTSC();
|
||||
|
||||
|
||||
static char* readVendorName () {
|
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char* palabritas = (char*)malloc(sizeof(char) * 13);
|
||||
uint8_t siguienteLetra = 0;
|
||||
uint64_t regs[3];
|
||||
asm volatile ( ".intel_syntax noprefix\t\n" \
|
||||
"mov eax, 0x0\t\n" \
|
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"cpuid\t\n" : "=b" (regs[0]), "=c" (regs[2]), "=d" (regs[1]) );
|
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int byte = 0;
|
||||
for (int reg = 0; reg < 3; reg++, byte = 0){
|
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char* charifiedReg = (char*)®s[reg];
|
||||
for(; byte < 4; byte++, siguienteLetra++ ){
|
||||
palabritas[siguienteLetra] = charifiedReg[byte];
|
||||
}
|
||||
}
|
||||
palabritas[siguienteLetra] = '\0';
|
||||
return palabritas;
|
||||
}
|
||||
static char* readVendorName ();
|
||||
|
||||
static int64_t intelRetrieveART(){
|
||||
//TODO: Find a valid Intel CPU to debug ART route
|
||||
//if (freq == nullptr) return -
|
||||
|
||||
uint64_t raxde, rbxnum, rcxhz;
|
||||
asm volatile ( ".intel_syntax noprefix\t\n" \
|
||||
"mov eax, 0x15\t\n" \
|
||||
"cpuid\t\n" : "=a" (raxde), "=b" (rbxnum), "=c" (rcxhz) );
|
||||
log_debugcpp("hmm " << raxde << " " << rbxnum << " " << rcxhz);
|
||||
if (rbxnum == 0 || rcxhz == 0) return ART_NOT_REPORTED;
|
||||
int64_t TSCFreq = (rcxhz * rbxnum)/raxde;
|
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//*freq = TSCFreq;
|
||||
log_debugcpp("raxo " << TSCFreq << " " << TSCFreq);
|
||||
return TSCFreq;
|
||||
}
|
||||
static int64_t intelRetrieveART();
|
||||
|
||||
#ifdef _WIN64
|
||||
|
||||
static int64_t getFreqFromSystem(){
|
||||
//TODO: close opened key
|
||||
const WORD STRING_SIZE = 4;
|
||||
const WCHAR COMPARE_TARGET[STRING_SIZE + 1] = L"~MHz";
|
||||
DWORD longestDataSize;
|
||||
|
||||
LSTATUS status;
|
||||
HKEY key;
|
||||
DWORD numValues;
|
||||
|
||||
WCHAR valName[MAX_VALUE_NAME]; //uint32_t wtf
|
||||
DWORD valLen = MAX_VALUE_NAME;
|
||||
|
||||
LPBYTE dataContent = nullptr;
|
||||
DWORD dataLen;
|
||||
|
||||
status = RegOpenKeyExW(HKEY_LOCAL_MACHINE, TEXT("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0"), 0,
|
||||
KEY_QUERY_VALUE, &key);
|
||||
if(status != ERROR_SUCCESS) return CANT_OPEN_KEY;
|
||||
|
||||
status = RegQueryInfoKey(
|
||||
key, // key handle
|
||||
NULL, // buffer for class name
|
||||
NULL, // size of class string
|
||||
NULL, // reserved
|
||||
NULL, // num of subkeys
|
||||
NULL, // longest subkey size
|
||||
NULL, // longest class string
|
||||
&numValues, // num of values for this key
|
||||
NULL, // longest value name
|
||||
&longestDataSize, // longest value data
|
||||
NULL, // security descriptor
|
||||
NULL); // last write time
|
||||
if(status != ERROR_SUCCESS) return CANT_RETRIEVE_KEY_INFO;
|
||||
|
||||
dataLen = sizeof(REG_QWORD) * (longestDataSize);
|
||||
dataContent = (LPBYTE)malloc(dataLen);
|
||||
for (DWORD i = 0; i < numValues; i++){
|
||||
valLen = MAX_VALUE_NAME;
|
||||
dataLen = sizeof(REG_QWORD) * (longestDataSize);
|
||||
status = RegEnumValueW(key,
|
||||
i,
|
||||
valName,
|
||||
&valLen,
|
||||
NULL,
|
||||
NULL,
|
||||
dataContent,
|
||||
&dataLen
|
||||
);
|
||||
|
||||
if(status != ERROR_SUCCESS) return CANT_READ_DATA_FROM_VALUE;
|
||||
|
||||
if (CSTR_EQUAL == CompareStringEx(
|
||||
LOCALE_NAME_INVARIANT,
|
||||
NORM_LINGUISTIC_CASING,
|
||||
valName,
|
||||
valLen,
|
||||
COMPARE_TARGET,
|
||||
STRING_SIZE,
|
||||
NULL,
|
||||
NULL,
|
||||
0
|
||||
)
|
||||
) {
|
||||
LPDWORD PMHz = (LPDWORD)dataContent;
|
||||
DWORD MHz = *PMHz;
|
||||
free(dataContent);
|
||||
return MHz * 1000000;
|
||||
}
|
||||
}
|
||||
return CANT_READ_DATA_FROM_VALUE;
|
||||
}
|
||||
static int64_t getFreqFromSystem();
|
||||
|
||||
#endif
|
||||
|
||||
bool checkRDTSCP(){ //Generic
|
||||
uint64_t rdx;
|
||||
asm volatile (".intel_syntax noprefix\t\n" \
|
||||
"mov eax, 0x80000001\t\n" \
|
||||
// 080000007h\t\n"
|
||||
"cpuid\t\n" : "=d" (rdx) );
|
||||
bool RDTSCP = rdx & (1<<27);
|
||||
//"and edx, 10000000\n")
|
||||
return RDTSCP;
|
||||
}
|
||||
bool checkRDTSCP();
|
||||
|
||||
uint64_t readRDTSC() {
|
||||
uint64_t raxlo,rdxho;
|
||||
asm volatile ( ".intel_syntax noprefix\t\n"
|
||||
"lfence\n" \
|
||||
"rdtsc\n" \
|
||||
"lfence\n" : "=a" (raxlo), "=d" (rdxho));
|
||||
return (rdxho << 32) + raxlo; //|
|
||||
}
|
||||
uint64_t readRDTSC();
|
||||
|
||||
uint64_t readRDTSCP(uint64_t* logicore = nullptr ) {
|
||||
uint64_t raxlo,rdxho, rcx;
|
||||
asm volatile ( ".intel_syntax noprefix\t\n"
|
||||
"rdtscp\t\n"
|
||||
"lfence\t\n": "=a" (raxlo), "=d" (rdxho), "=c" (rcx) );
|
||||
if (logicore != nullptr) *logicore = rcx;
|
||||
return (rdxho << 32) + raxlo; //|
|
||||
}
|
||||
uint64_t readRDTSCP(uint64_t* logicore = nullptr );
|
||||
|
||||
public:
|
||||
static int getTimer(TSCTimer* timer = nullptr) {
|
||||
if (!checkInvariantTSC()) return INVARIANT_TSC_NOT_SUPPORTED;
|
||||
//TODO debug dis
|
||||
const char vendorNames[2][13] = {
|
||||
{"AuthenticAMD"},
|
||||
{"GenuineIntel"}
|
||||
};
|
||||
char* vendorName = readVendorName();
|
||||
int64_t baseFreq;
|
||||
|
||||
if (strcmp(vendorName, vendorNames[1]))
|
||||
baseFreq = intelRetrieveART();
|
||||
if (baseFreq == ART_NOT_REPORTED)
|
||||
baseFreq = getFreqFromSystem();
|
||||
if (baseFreq < OPERATION_SUCCESSFUL)
|
||||
return CANT_READ_FREQUENCY_FROM_SYSTEM;
|
||||
// static int getTimer(TSCTimer* timer = nullptr);
|
||||
static TSCTimer* getTimer();
|
||||
|
||||
timer = new TSCTimer(vendorName, baseFreq);
|
||||
return OPERATION_SUCCESSFUL;
|
||||
}
|
||||
uint64_t getTimeStamp();
|
||||
|
||||
uint64_t getTimeStamp(){
|
||||
if (availableRDTSCP)
|
||||
return readRDTSCP();
|
||||
else
|
||||
return readRDTSC();
|
||||
}
|
||||
|
||||
uint64_t getBaseFrequency(){
|
||||
return baseFreq;
|
||||
}
|
||||
uint64_t getBaseFrequency();
|
||||
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* #ifdef _WIN64
|
||||
* }
|
||||
* #endif
|
||||
*/
|
||||
|
||||
#ifdef _WIN64
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue