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easy_profiler/easy_profiler_core/profile_manager.cpp
Victor Zarubkin 530eb2446c #0 [Core] A lot of code refactoring
2017-11-09 23:12:54 +03:00

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/************************************************************************
* file name : profile_manager.cpp
* ----------------- :
* creation time : 2016/02/16
* authors : Sergey Yagovtsev, Victor Zarubkin
* emails : yse.sey@gmail.com, v.s.zarubkin@gmail.com
* ----------------- :
* description : The file contains implementation of Profile manager and implement access c-function
* :
* license : Lightweight profiler library for c++
* : Copyright(C) 2016-2017 Sergey Yagovtsev, Victor Zarubkin
* :
* : Licensed under either of
* : * MIT license (LICENSE.MIT or http://opensource.org/licenses/MIT)
* : * Apache License, Version 2.0, (LICENSE.APACHE or http://www.apache.org/licenses/LICENSE-2.0)
* : at your option.
* :
* : The MIT License
* :
* : Permission is hereby granted, free of charge, to any person obtaining a copy
* : of this software and associated documentation files (the "Software"), to deal
* : in the Software without restriction, including without limitation the rights
* : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* : of the Software, and to permit persons to whom the Software is furnished
* : to do so, subject to the following conditions:
* :
* : The above copyright notice and this permission notice shall be included in all
* : copies or substantial portions of the Software.
* :
* : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* : INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* : PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* : LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* : TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* : USE OR OTHER DEALINGS IN THE SOFTWARE.
* :
* : The Apache License, Version 2.0 (the "License")
* :
* : You may not use this file except in compliance with the License.
* : You may obtain a copy of the License at
* :
* : http://www.apache.org/licenses/LICENSE-2.0
* :
* : Unless required by applicable law or agreed to in writing, software
* : distributed under the License is distributed on an "AS IS" BASIS,
* : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* : See the License for the specific language governing permissions and
* : limitations under the License.
************************************************************************/
#include <algorithm>
#include <fstream>
#include <future>
#include "profile_manager.h"
#include <easy/serialized_block.h>
#include <easy/easy_net.h>
#include <easy/easy_socket.h>
#include "event_trace_win.h"
#include "current_time.h"
#include "current_thread.h"
#ifdef __APPLE__
#include <mach/clock.h>
#include <mach/mach.h>
#endif
#if EASY_OPTION_LOG_ENABLED != 0
# include <iostream>
# ifndef EASY_ERRORLOG
# define EASY_ERRORLOG ::std::cerr
# endif
# ifndef EASY_LOG
# define EASY_LOG ::std::cerr
# endif
# ifndef EASY_ERROR
# define EASY_ERROR(LOG_MSG) EASY_ERRORLOG << "EasyProfiler ERROR: " << LOG_MSG
# endif
# ifndef EASY_WARNING
# define EASY_WARNING(LOG_MSG) EASY_ERRORLOG << "EasyProfiler WARNING: " << LOG_MSG
# endif
# ifndef EASY_LOGMSG
# define EASY_LOGMSG(LOG_MSG) EASY_LOG << "EasyProfiler INFO: " << LOG_MSG
# endif
# ifndef EASY_LOG_ONLY
# define EASY_LOG_ONLY(CODE) CODE
# endif
#else
# ifndef EASY_ERROR
# define EASY_ERROR(LOG_MSG)
# endif
# ifndef EASY_WARNING
# define EASY_WARNING(LOG_MSG)
# endif
# ifndef EASY_LOGMSG
# define EASY_LOGMSG(LOG_MSG)
# endif
# ifndef EASY_LOG_ONLY
# define EASY_LOG_ONLY(CODE)
# endif
#endif
#ifdef min
# undef min
#endif
#ifndef EASY_ENABLE_BLOCK_STATUS
# define EASY_ENABLE_BLOCK_STATUS 1
#endif
#if !defined(_WIN32) && !defined(EASY_OPTION_REMOVE_EMPTY_UNGUARDED_THREADS)
# define EASY_OPTION_REMOVE_EMPTY_UNGUARDED_THREADS 0
#endif
#ifndef EASY_OPTION_IMPLICIT_THREAD_REGISTRATION
# define EASY_OPTION_IMPLICIT_THREAD_REGISTRATION 0
#endif
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
using namespace profiler;
//////////////////////////////////////////////////////////////////////////
#if !defined(EASY_PROFILER_VERSION_MAJOR) || !defined(EASY_PROFILER_VERSION_MINOR) || !defined(EASY_PROFILER_VERSION_PATCH)
# ifdef _WIN32
# error EASY_PROFILER_VERSION_MAJOR and EASY_PROFILER_VERSION_MINOR and EASY_PROFILER_VERSION_PATCH macros must be defined
# else
# error "EASY_PROFILER_VERSION_MAJOR and EASY_PROFILER_VERSION_MINOR and EASY_PROFILER_VERSION_PATCH macros must be defined"
# endif
#endif
# define EASY_PROFILER_PRODUCT_VERSION "v" EASY_STRINGIFICATION(EASY_PROFILER_VERSION_MAJOR) "." \
EASY_STRINGIFICATION(EASY_PROFILER_VERSION_MINOR) "." \
EASY_STRINGIFICATION(EASY_PROFILER_VERSION_PATCH)
# define EASY_VERSION_INT(v_major, v_minor, v_patch) ((static_cast<uint32_t>(v_major) << 24) | (static_cast<uint32_t>(v_minor) << 16) | static_cast<uint32_t>(v_patch))
extern const uint32_t PROFILER_SIGNATURE = ('E' << 24) | ('a' << 16) | ('s' << 8) | 'y';
extern const uint32_t EASY_CURRENT_VERSION = EASY_VERSION_INT(EASY_PROFILER_VERSION_MAJOR, EASY_PROFILER_VERSION_MINOR, EASY_PROFILER_VERSION_PATCH);
# undef EASY_VERSION_INT
//////////////////////////////////////////////////////////////////////////
# define EASY_PROF_DISABLED 0
# define EASY_PROF_ENABLED 1
# define EASY_PROF_DUMP 2
//////////////////////////////////////////////////////////////////////////
//auto& MANAGER = ProfileManager::instance();
# define MANAGER ProfileManager::instance()
EASY_CONSTEXPR uint8_t FORCE_ON_FLAG = profiler::FORCE_ON & ~profiler::ON;
#if defined(EASY_CHRONO_CLOCK)
#include <chrono>
const int64_t CPU_FREQUENCY = EASY_CHRONO_CLOCK::period::den / EASY_CHRONO_CLOCK::period::num;
# define TICKS_TO_US(ticks) ticks * 1000000LL / CPU_FREQUENCY
#elif defined(_WIN32)
const decltype(LARGE_INTEGER::QuadPart) CPU_FREQUENCY = ([](){ LARGE_INTEGER freq; QueryPerformanceFrequency(&freq); return freq.QuadPart; })();
# define TICKS_TO_US(ticks) ticks * 1000000LL / CPU_FREQUENCY
#else
# ifndef __APPLE__
# include <time.h>
# endif
int64_t calculate_cpu_frequency()
{
double g_TicksPerNanoSec;
uint64_t begin = 0, end = 0;
#ifdef __APPLE__
clock_serv_t cclock;
mach_timespec_t begints, endts;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
clock_get_time(cclock, &begints);
#else
struct timespec begints, endts;
clock_gettime(CLOCK_MONOTONIC, &begints);
#endif
begin = getCurrentTime();
volatile uint64_t i;
for (i = 0; i < 100000000; i++); /* must be CPU intensive */
end = getCurrentTime();
#ifdef __APPLE__
clock_get_time(cclock, &endts);
mach_port_deallocate(mach_task_self(), cclock);
#else
clock_gettime(CLOCK_MONOTONIC, &endts);
#endif
struct timespec tmpts;
const int NANO_SECONDS_IN_SEC = 1000000000;
tmpts.tv_sec = endts.tv_sec - begints.tv_sec;
tmpts.tv_nsec = endts.tv_nsec - begints.tv_nsec;
if (tmpts.tv_nsec < 0)
{
tmpts.tv_sec--;
tmpts.tv_nsec += NANO_SECONDS_IN_SEC;
}
uint64_t nsecElapsed = tmpts.tv_sec * 1000000000LL + tmpts.tv_nsec;
g_TicksPerNanoSec = (double)(end - begin) / (double)nsecElapsed;
int64_t cpu_frequency = int(g_TicksPerNanoSec * 1000000);
return cpu_frequency;
}
static std::atomic<int64_t> CPU_FREQUENCY = ATOMIC_VAR_INIT(1);
# define TICKS_TO_US(ticks) ticks * 1000 / CPU_FREQUENCY.load(std::memory_order_acquire)
#endif
extern const profiler::color_t EASY_COLOR_INTERNAL_EVENT = 0xffffffff; // profiler::colors::White
EASY_CONSTEXPR profiler::color_t EASY_COLOR_THREAD_END = 0xff212121; // profiler::colors::Dark
EASY_CONSTEXPR profiler::color_t EASY_COLOR_START = 0xff4caf50; // profiler::colors::Green
EASY_CONSTEXPR profiler::color_t EASY_COLOR_END = 0xfff44336; // profiler::colors::Red
//////////////////////////////////////////////////////////////////////////
EASY_THREAD_LOCAL static ::ThreadStorage* THIS_THREAD = nullptr;
EASY_THREAD_LOCAL static bool THIS_THREAD_IS_MAIN = false;
EASY_THREAD_LOCAL static profiler::timestamp_t THIS_THREAD_FRAME_T_MAX = 0ULL;
EASY_THREAD_LOCAL static profiler::timestamp_t THIS_THREAD_FRAME_T_CUR = 0ULL;
EASY_THREAD_LOCAL static profiler::timestamp_t THIS_THREAD_FRAME_T_ACC = 0ULL;
EASY_THREAD_LOCAL static uint32_t THIS_THREAD_N_FRAMES = 0;
EASY_THREAD_LOCAL static bool THIS_THREAD_FRAME_T_RESET_MAX = false;
EASY_THREAD_LOCAL static bool THIS_THREAD_FRAME_T_RESET_AVG = false;
#ifdef EASY_CXX11_TLS_AVAILABLE
thread_local static profiler::ThreadGuard THIS_THREAD_GUARD; // thread guard for monitoring thread life time
#endif
//////////////////////////////////////////////////////////////////////////
#ifdef BUILD_WITH_EASY_PROFILER
# define EASY_EVENT_RES(res, name, ...)\
EASY_LOCAL_STATIC_PTR(const ::profiler::BaseBlockDescriptor*, EASY_UNIQUE_DESC(__LINE__), MANAGER.addBlockDescriptor(\
::profiler::extract_enable_flag(__VA_ARGS__), EASY_UNIQUE_LINE_ID, EASY_COMPILETIME_NAME(name),\
__FILE__, __LINE__, ::profiler::BlockType::Event, ::profiler::extract_color(__VA_ARGS__)));\
res = MANAGER.storeBlock(EASY_UNIQUE_DESC(__LINE__), EASY_RUNTIME_NAME(name))
# define EASY_FORCE_EVENT(timestamp, name, ...)\
EASY_LOCAL_STATIC_PTR(const ::profiler::BaseBlockDescriptor*, EASY_UNIQUE_DESC(__LINE__), addBlockDescriptor(\
::profiler::extract_enable_flag(__VA_ARGS__), EASY_UNIQUE_LINE_ID, EASY_COMPILETIME_NAME(name),\
__FILE__, __LINE__, ::profiler::BlockType::Event, ::profiler::extract_color(__VA_ARGS__)));\
storeBlockForce(EASY_UNIQUE_DESC(__LINE__), EASY_RUNTIME_NAME(name), timestamp)
# define EASY_FORCE_EVENT2(timestamp, name, ...)\
EASY_LOCAL_STATIC_PTR(const ::profiler::BaseBlockDescriptor*, EASY_UNIQUE_DESC(__LINE__), addBlockDescriptor(\
::profiler::extract_enable_flag(__VA_ARGS__), EASY_UNIQUE_LINE_ID, EASY_COMPILETIME_NAME(name),\
__FILE__, __LINE__, ::profiler::BlockType::Event, ::profiler::extract_color(__VA_ARGS__)));\
storeBlockForce2(EASY_UNIQUE_DESC(__LINE__), EASY_RUNTIME_NAME(name), timestamp)
# define EASY_FORCE_EVENT3(ts, timestamp, name, ...)\
EASY_LOCAL_STATIC_PTR(const ::profiler::BaseBlockDescriptor*, EASY_UNIQUE_DESC(__LINE__), addBlockDescriptor(\
::profiler::extract_enable_flag(__VA_ARGS__), EASY_UNIQUE_LINE_ID, EASY_COMPILETIME_NAME(name),\
__FILE__, __LINE__, ::profiler::BlockType::Event, ::profiler::extract_color(__VA_ARGS__)));\
storeBlockForce2(ts, EASY_UNIQUE_DESC(__LINE__), EASY_RUNTIME_NAME(name), timestamp)
#else
# ifndef EASY_PROFILER_API_DISABLED
# define EASY_PROFILER_API_DISABLED
# endif
# define EASY_EVENT_RES(res, name, ...)
# define EASY_FORCE_EVENT(timestamp, name, ...)
# define EASY_FORCE_EVENT2(timestamp, name, ...)
# define EASY_FORCE_EVENT3(ts, timestamp, name, ...)
#endif
//////////////////////////////////////////////////////////////////////////
extern "C" {
#if !defined(EASY_PROFILER_API_DISABLED)
PROFILER_API timestamp_t currentTime()
{
return getCurrentTime();
}
PROFILER_API timestamp_t toNanoseconds(timestamp_t _ticks)
{
#if defined(EASY_CHRONO_CLOCK) || defined(_WIN32)
return _ticks * 1000000000LL / CPU_FREQUENCY;
#else
return _ticks / CPU_FREQUENCY.load(std::memory_order_acquire);
#endif
}
PROFILER_API timestamp_t toMicroseconds(timestamp_t _ticks)
{
return TICKS_TO_US(_ticks);
}
PROFILER_API const BaseBlockDescriptor* registerDescription(EasyBlockStatus _status, const char* _autogenUniqueId, const char* _name, const char* _filename, int _line, block_type_t _block_type, color_t _color, bool _copyName)
{
return MANAGER.addBlockDescriptor(_status, _autogenUniqueId, _name, _filename, _line, _block_type, _color, _copyName);
}
PROFILER_API void endBlock()
{
MANAGER.endBlock();
}
PROFILER_API void setEnabled(bool isEnable)
{
MANAGER.setEnabled(isEnable);
}
PROFILER_API bool isEnabled()
{
return MANAGER.isEnabled();
}
PROFILER_API void storeValue(const BaseBlockDescriptor* _desc, DataType _type, const void* _data, size_t _size, bool _isArray, ValueId _vin)
{
MANAGER.storeValue(_desc, _type, _data, _size, _isArray, _vin);
}
PROFILER_API void storeEvent(const BaseBlockDescriptor* _desc, const char* _runtimeName)
{
MANAGER.storeBlock(_desc, _runtimeName);
}
PROFILER_API void storeBlock(const BaseBlockDescriptor* _desc, const char* _runtimeName, timestamp_t _beginTime, timestamp_t _endTime)
{
MANAGER.storeBlock(_desc, _runtimeName, _beginTime, _endTime);
}
PROFILER_API void beginBlock(Block& _block)
{
MANAGER.beginBlock(_block);
}
PROFILER_API void beginNonScopedBlock(const BaseBlockDescriptor* _desc, const char* _runtimeName)
{
MANAGER.beginNonScopedBlock(_desc, _runtimeName);
}
PROFILER_API uint32_t dumpBlocksToFile(const char* filename)
{
return MANAGER.dumpBlocksToFile(filename);
}
PROFILER_API const char* registerThreadScoped(const char* name, ThreadGuard& threadGuard)
{
return MANAGER.registerThread(name, threadGuard);
}
PROFILER_API const char* registerThread(const char* name)
{
return MANAGER.registerThread(name);
}
PROFILER_API void setEventTracingEnabled(bool _isEnable)
{
MANAGER.setEventTracingEnabled(_isEnable);
}
PROFILER_API bool isEventTracingEnabled()
{
return MANAGER.isEventTracingEnabled();
}
# ifdef _WIN32
PROFILER_API void setLowPriorityEventTracing(bool _isLowPriority)
{
EasyEventTracer::instance().setLowPriority(_isLowPriority);
}
PROFILER_API bool isLowPriorityEventTracing()
{
return EasyEventTracer::instance().isLowPriority();
}
# else
PROFILER_API void setLowPriorityEventTracing(bool) { }
PROFILER_API bool isLowPriorityEventTracing() { return false; }
# endif
PROFILER_API void setContextSwitchLogFilename(const char* name)
{
return MANAGER.setContextSwitchLogFilename(name);
}
PROFILER_API const char* getContextSwitchLogFilename()
{
return MANAGER.getContextSwitchLogFilename();
}
PROFILER_API void startListen(uint16_t _port)
{
return MANAGER.startListen(_port);
}
PROFILER_API void stopListen()
{
return MANAGER.stopListen();
}
PROFILER_API bool isListening()
{
return MANAGER.isListening();
}
PROFILER_API bool isMainThread()
{
return THIS_THREAD_IS_MAIN;
}
PROFILER_API timestamp_t this_thread_frameTime(Duration _durationCast)
{
if (_durationCast == profiler::TICKS)
return THIS_THREAD_FRAME_T_CUR;
return TICKS_TO_US(THIS_THREAD_FRAME_T_CUR);
}
PROFILER_API timestamp_t this_thread_frameTimeLocalMax(Duration _durationCast)
{
THIS_THREAD_FRAME_T_RESET_MAX = true;
if (_durationCast == profiler::TICKS)
return THIS_THREAD_FRAME_T_MAX;
return TICKS_TO_US(THIS_THREAD_FRAME_T_MAX);
}
PROFILER_API timestamp_t this_thread_frameTimeLocalAvg(Duration _durationCast)
{
THIS_THREAD_FRAME_T_RESET_AVG = true;
auto avgDuration = THIS_THREAD_N_FRAMES > 0 ? THIS_THREAD_FRAME_T_ACC / THIS_THREAD_N_FRAMES : 0;
if (_durationCast == profiler::TICKS)
return avgDuration;
return TICKS_TO_US(avgDuration);
}
PROFILER_API timestamp_t main_thread_frameTime(Duration _durationCast)
{
const auto ticks = THIS_THREAD_IS_MAIN ? THIS_THREAD_FRAME_T_CUR : MANAGER.curFrameDuration();
if (_durationCast == profiler::TICKS)
return ticks;
return TICKS_TO_US(ticks);
}
PROFILER_API timestamp_t main_thread_frameTimeLocalMax(Duration _durationCast)
{
if (THIS_THREAD_IS_MAIN)
{
THIS_THREAD_FRAME_T_RESET_MAX = true;
if (_durationCast == profiler::TICKS)
return THIS_THREAD_FRAME_T_MAX;
return TICKS_TO_US(THIS_THREAD_FRAME_T_MAX);
}
if (_durationCast == profiler::TICKS)
return MANAGER.maxFrameDuration();
return TICKS_TO_US(MANAGER.maxFrameDuration());
}
PROFILER_API timestamp_t main_thread_frameTimeLocalAvg(Duration _durationCast)
{
if (THIS_THREAD_IS_MAIN)
{
THIS_THREAD_FRAME_T_RESET_AVG = true;
auto avgDuration = THIS_THREAD_N_FRAMES > 0 ? THIS_THREAD_FRAME_T_ACC / THIS_THREAD_N_FRAMES : 0;
if (_durationCast == profiler::TICKS)
return avgDuration;
return TICKS_TO_US(avgDuration);
}
if (_durationCast == profiler::TICKS)
return MANAGER.avgFrameDuration();
return TICKS_TO_US(MANAGER.avgFrameDuration());
}
#else
PROFILER_API timestamp_t currentTime() { return 0; }
PROFILER_API timestamp_t toNanoseconds(timestamp_t) { return 0; }
PROFILER_API timestamp_t toMicroseconds(timestamp_t) { return 0; }
PROFILER_API const BaseBlockDescriptor* registerDescription(EasyBlockStatus, const char*, const char*, const char*, int, block_type_t, color_t, bool) { return reinterpret_cast<const BaseBlockDescriptor*>(0xbad); }
PROFILER_API void endBlock() { }
PROFILER_API void setEnabled(bool) { }
PROFILER_API bool isEnabled() { return false; }
PROFILER_API void storeValue(const BaseBlockDescriptor*, DataType, const void*, size_t, bool, ValueId) {}
PROFILER_API void storeEvent(const BaseBlockDescriptor*, const char*) { }
PROFILER_API void storeBlock(const BaseBlockDescriptor*, const char*, timestamp_t, timestamp_t) { }
PROFILER_API void beginBlock(Block&) { }
PROFILER_API void beginNonScopedBlock(const BaseBlockDescriptor*, const char*) { }
PROFILER_API uint32_t dumpBlocksToFile(const char*) { return 0; }
PROFILER_API const char* registerThreadScoped(const char*, ThreadGuard&) { return ""; }
PROFILER_API const char* registerThread(const char*) { return ""; }
PROFILER_API void setEventTracingEnabled(bool) { }
PROFILER_API bool isEventTracingEnabled() { return false; }
PROFILER_API void setLowPriorityEventTracing(bool) { }
PROFILER_API bool isLowPriorityEventTracing(bool) { return false; }
PROFILER_API void setContextSwitchLogFilename(const char*) { }
PROFILER_API const char* getContextSwitchLogFilename() { return ""; }
PROFILER_API void startListen(uint16_t) { }
PROFILER_API void stopListen() { }
PROFILER_API bool isListening() { return false; }
PROFILER_API bool isMainThread() { return false; }
PROFILER_API timestamp_t this_thread_frameTime(Duration) { return 0; }
PROFILER_API timestamp_t this_thread_frameTimeLocalMax(Duration) { return 0; }
PROFILER_API timestamp_t this_thread_frameTimeLocalAvg(Duration) { return 0; }
PROFILER_API timestamp_t main_thread_frameTime(Duration) { return 0; }
PROFILER_API timestamp_t main_thread_frameTimeLocalMax(Duration) { return 0; }
PROFILER_API timestamp_t main_thread_frameTimeLocalAvg(Duration) { return 0; }
#endif
PROFILER_API uint8_t versionMajor()
{
static_assert(0 <= EASY_PROFILER_VERSION_MAJOR && EASY_PROFILER_VERSION_MAJOR <= 255, "EASY_PROFILER_VERSION_MAJOR must be defined in range [0, 255]");
return EASY_PROFILER_VERSION_MAJOR;
}
PROFILER_API uint8_t versionMinor()
{
static_assert(0 <= EASY_PROFILER_VERSION_MINOR && EASY_PROFILER_VERSION_MINOR <= 255, "EASY_PROFILER_VERSION_MINOR must be defined in range [0, 255]");
return EASY_PROFILER_VERSION_MINOR;
}
PROFILER_API uint16_t versionPatch()
{
static_assert(0 <= EASY_PROFILER_VERSION_PATCH && EASY_PROFILER_VERSION_PATCH <= 65535, "EASY_PROFILER_VERSION_PATCH must be defined in range [0, 65535]");
return EASY_PROFILER_VERSION_PATCH;
}
PROFILER_API uint32_t version()
{
return EASY_CURRENT_VERSION;
}
PROFILER_API const char* versionName()
{
return EASY_PROFILER_PRODUCT_VERSION
#ifdef EASY_PROFILER_API_DISABLED
"_disabled"
#endif
;
}
}
//////////////////////////////////////////////////////////////////////////
SerializedBlock::SerializedBlock(const Block& block, uint16_t name_length)
: BaseBlockData(block)
{
char* pName = const_cast<char*>(name());
if (name_length) strncpy(pName, block.name(), name_length);
pName[name_length] = 0;
}
SerializedCSwitch::SerializedCSwitch(const CSwitchBlock& block, uint16_t name_length)
: CSwitchEvent(block)
{
char* pName = const_cast<char*>(name());
if (name_length) strncpy(pName, block.name(), name_length);
pName[name_length] = 0;
}
//////////////////////////////////////////////////////////////////////////
BaseBlockDescriptor::BaseBlockDescriptor(block_id_t _id, EasyBlockStatus _status, int _line,
block_type_t _block_type, color_t _color) EASY_NOEXCEPT
: m_id(_id)
, m_line(_line)
, m_type(_block_type)
, m_color(_color)
, m_status(_status)
{
}
//////////////////////////////////////////////////////////////////////////
#ifndef EASY_BLOCK_DESC_FULL_COPY
# define EASY_BLOCK_DESC_FULL_COPY 1
#endif
#if EASY_BLOCK_DESC_FULL_COPY == 0
# define EASY_BLOCK_DESC_STRING const char*
# define EASY_BLOCK_DESC_STRING_LEN(s) static_cast<uint16_t>(strlen(s) + 1)
# define EASY_BLOCK_DESC_STRING_VAL(s) s
#else
# define EASY_BLOCK_DESC_STRING std::string
# define EASY_BLOCK_DESC_STRING_LEN(s) static_cast<uint16_t>(s.size() + 1)
# define EASY_BLOCK_DESC_STRING_VAL(s) s.c_str()
#endif
class BlockDescriptor : public BaseBlockDescriptor
{
friend ProfileManager;
EASY_BLOCK_DESC_STRING m_filename; ///< Source file name where this block is declared
EASY_BLOCK_DESC_STRING m_name; ///< Static name of all blocks of the same type (blocks can have dynamic name) which is, in pair with descriptor id, a unique block identifier
public:
BlockDescriptor(block_id_t _id, EasyBlockStatus _status, const char* _name, const char* _filename, int _line, block_type_t _block_type, color_t _color)
: BaseBlockDescriptor(_id, _status, _line, _block_type, _color)
, m_filename(_filename)
, m_name(_name)
{
}
const char* name() const {
return EASY_BLOCK_DESC_STRING_VAL(m_name);
}
const char* filename() const {
return EASY_BLOCK_DESC_STRING_VAL(m_filename);
}
uint16_t nameSize() const {
return EASY_BLOCK_DESC_STRING_LEN(m_name);
}
uint16_t filenameSize() const {
return EASY_BLOCK_DESC_STRING_LEN(m_filename);
}
}; // END of class BlockDescriptor.
//////////////////////////////////////////////////////////////////////////
ThreadGuard::~ThreadGuard()
{
#ifndef EASY_PROFILER_API_DISABLED
if (m_id != 0 && THIS_THREAD != nullptr && THIS_THREAD->id == m_id)
{
bool isMarked = false;
EASY_EVENT_RES(isMarked, "ThreadFinished", EASY_COLOR_THREAD_END, ::profiler::FORCE_ON);
THIS_THREAD->profiledFrameOpened.store(false, std::memory_order_release);
THIS_THREAD->expired.store(isMarked ? 2 : 1, std::memory_order_release);
THIS_THREAD = nullptr;
}
#endif
}
//////////////////////////////////////////////////////////////////////////
ProfileManager::ProfileManager() :
#ifdef _WIN32
m_processId(GetProcessId(GetCurrentProcess()))
#else
m_processId((processid_t)getpid())
#endif
, m_usedMemorySize(0)
, m_beginTime(0)
, m_endTime(0)
{
m_profilerStatus = ATOMIC_VAR_INIT(EASY_PROF_DISABLED);
m_isEventTracingEnabled = ATOMIC_VAR_INIT(EASY_OPTION_EVENT_TRACING_ENABLED);
m_isAlreadyListening = ATOMIC_VAR_INIT(false);
m_stopDumping = ATOMIC_VAR_INIT(false);
m_stopListen = ATOMIC_VAR_INIT(false);
m_mainThreadId = ATOMIC_VAR_INIT(0);
m_frameMax = ATOMIC_VAR_INIT(0);
m_frameAvg = ATOMIC_VAR_INIT(0);
m_frameCur = ATOMIC_VAR_INIT(0);
m_frameMaxReset = ATOMIC_VAR_INIT(false);
m_frameAvgReset = ATOMIC_VAR_INIT(false);
#if !defined(EASY_PROFILER_API_DISABLED) && EASY_OPTION_START_LISTEN_ON_STARTUP != 0
startListen(profiler::DEFAULT_PORT);
#endif
#if !defined(EASY_PROFILER_API_DISABLED) && !defined(EASY_CHRONO_CLOCK) && !defined(_WIN32)
const int64_t cpu_frequency = calculate_cpu_frequency();
CPU_FREQUENCY.store(cpu_frequency, std::memory_order_release);
#endif
}
ProfileManager::~ProfileManager()
{
#ifndef EASY_PROFILER_API_DISABLED
stopListen();
#endif
for (auto desc : m_descriptors) {
#if EASY_BLOCK_DESC_FULL_COPY == 0
if (desc)
desc->~BlockDescriptor();
free(desc);
#else
delete desc;
#endif
}
}
#ifndef EASY_MAGIC_STATIC_AVAILABLE
class ProfileManagerInstance {
friend ProfileManager;
ProfileManager instance;
} PROFILE_MANAGER;
#endif
//////////////////////////////////////////////////////////////////////////
ProfileManager& ProfileManager::instance()
{
#ifndef EASY_MAGIC_STATIC_AVAILABLE
return PROFILE_MANAGER.instance;
#else
///C++11 makes possible to create Singleton without any warry about thread-safeness
///http://preshing.com/20130930/double-checked-locking-is-fixed-in-cpp11/
static ProfileManager profileManager;
return profileManager;
#endif
}
//////////////////////////////////////////////////////////////////////////
ThreadStorage& ProfileManager::_threadStorage(profiler::thread_id_t _thread_id)
{
return m_threads[_thread_id];
}
ThreadStorage* ProfileManager::_findThreadStorage(profiler::thread_id_t _thread_id)
{
auto it = m_threads.find(_thread_id);
return it != m_threads.end() ? &it->second : nullptr;
}
//////////////////////////////////////////////////////////////////////////
const BaseBlockDescriptor* ProfileManager::addBlockDescriptor(EasyBlockStatus _defaultStatus,
const char* _autogenUniqueId,
const char* _name,
const char* _filename,
int _line,
block_type_t _block_type,
color_t _color,
bool _copyName)
{
guard_lock_t lock(m_storedSpin);
descriptors_map_t::key_type key(_autogenUniqueId);
auto it = m_descriptorsMap.find(key);
if (it != m_descriptorsMap.end())
return m_descriptors[it->second];
const auto nameLen = strlen(_name);
m_usedMemorySize += sizeof(profiler::SerializedBlockDescriptor) + nameLen + strlen(_filename) + 2;
#if EASY_BLOCK_DESC_FULL_COPY == 0
BlockDescriptor* desc = nullptr;
if (_copyName)
{
void* data = malloc(sizeof(BlockDescriptor) + nameLen + 1);
char* name = reinterpret_cast<char*>(data) + sizeof(BlockDescriptor);
strncpy(name, _name, nameLen);
desc = ::new (data)BlockDescriptor(static_cast<block_id_t>(m_descriptors.size()), _defaultStatus, name, _filename, _line, _block_type, _color);
}
else
{
void* data = malloc(sizeof(BlockDescriptor));
desc = ::new (data)BlockDescriptor(static_cast<block_id_t>(m_descriptors.size()), _defaultStatus, _name, _filename, _line, _block_type, _color);
}
#else
auto desc = new BlockDescriptor(static_cast<block_id_t>(m_descriptors.size()), _defaultStatus, _name, _filename, _line, _block_type, _color);
#endif
m_descriptors.emplace_back(desc);
m_descriptorsMap.emplace(key, desc->id());
return desc;
}
//////////////////////////////////////////////////////////////////////////
void ProfileManager::storeValue(const BaseBlockDescriptor* _desc, DataType _type, const void* _data, size_t _size, bool _isArray, ValueId _vin)
{
const auto state = m_profilerStatus.load(std::memory_order_acquire);
if (state == EASY_PROF_DISABLED || (_desc->m_status & profiler::ON) == 0)
return;
if (state == EASY_PROF_DUMP)
{
if (THIS_THREAD == nullptr || THIS_THREAD->blocks.openedList.empty())
return;
}
else if (THIS_THREAD == nullptr)
{
registerThread();
}
#if EASY_ENABLE_BLOCK_STATUS != 0
if (!THIS_THREAD->allowChildren && (_desc->m_status & FORCE_ON_FLAG) == 0)
return;
#endif
THIS_THREAD->storeValue(_desc->id(), _type, _data, _size, _isArray, _vin);
}
//////////////////////////////////////////////////////////////////////////
bool ProfileManager::storeBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName)
{
const auto state = m_profilerStatus.load(std::memory_order_acquire);
if (state == EASY_PROF_DISABLED || (_desc->m_status & profiler::ON) == 0)
return false;
if (state == EASY_PROF_DUMP)
{
if (THIS_THREAD == nullptr || THIS_THREAD->blocks.openedList.empty())
return false;
}
else if (THIS_THREAD == nullptr)
{
registerThread();
}
#if EASY_ENABLE_BLOCK_STATUS != 0
if (!THIS_THREAD->allowChildren && (_desc->m_status & FORCE_ON_FLAG) == 0)
return false;
#endif
profiler::Block b(_desc, _runtimeName);
b.start();
b.m_end = b.m_begin;
THIS_THREAD->storeBlock(b);
return true;
}
bool ProfileManager::storeBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, profiler::timestamp_t _beginTime, profiler::timestamp_t _endTime)
{
const auto state = m_profilerStatus.load(std::memory_order_acquire);
if (state == EASY_PROF_DISABLED || (_desc->m_status & profiler::ON) == 0)
return false;
if (state == EASY_PROF_DUMP)
{
if (THIS_THREAD == nullptr || THIS_THREAD->blocks.openedList.empty())
return false;
}
else if (THIS_THREAD == nullptr)
{
registerThread();
}
#if EASY_ENABLE_BLOCK_STATUS != 0
if (!THIS_THREAD->allowChildren && (_desc->m_status & FORCE_ON_FLAG) == 0)
return false;
#endif
profiler::Block b(_beginTime, _endTime, _desc->id(), _runtimeName);
THIS_THREAD->storeBlock(b);
b.m_end = b.m_begin;
return true;
}
//////////////////////////////////////////////////////////////////////////
void ProfileManager::storeBlockForce(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, ::profiler::timestamp_t& _timestamp)
{
if ((_desc->m_status & profiler::ON) == 0)
return;
if (THIS_THREAD == nullptr)
registerThread();
#if EASY_ENABLE_BLOCK_STATUS != 0
if (!THIS_THREAD->allowChildren && (_desc->m_status & FORCE_ON_FLAG) == 0)
return;
#endif
profiler::Block b(_desc, _runtimeName);
b.start();
b.m_end = b.m_begin;
_timestamp = b.m_begin;
THIS_THREAD->storeBlock(b);
}
void ProfileManager::storeBlockForce2(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, ::profiler::timestamp_t _timestamp)
{
if ((_desc->m_status & profiler::ON) == 0)
return;
if (THIS_THREAD == nullptr)
registerThread();
#if EASY_ENABLE_BLOCK_STATUS != 0
if (!THIS_THREAD->allowChildren && (_desc->m_status & FORCE_ON_FLAG) == 0)
return;
#endif
profiler::Block b(_desc, _runtimeName);
b.m_end = b.m_begin = _timestamp;
THIS_THREAD->storeBlock(b);
}
void ProfileManager::storeBlockForce2(ThreadStorage& _registeredThread, const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, ::profiler::timestamp_t _timestamp)
{
profiler::Block b(_desc, _runtimeName);
b.m_end = b.m_begin = _timestamp;
_registeredThread.storeBlock(b);
}
//////////////////////////////////////////////////////////////////////////
void ProfileManager::beginBlock(Block& _block)
{
if (THIS_THREAD == nullptr)
registerThread();
if (++THIS_THREAD->stackSize > 1)
{
_block.m_status = profiler::OFF;
THIS_THREAD->blocks.openedList.emplace_back(_block);
return;
}
const auto state = m_profilerStatus.load(std::memory_order_acquire);
if (state == EASY_PROF_DISABLED)
{
_block.m_status = profiler::OFF;
THIS_THREAD->halt = false;
THIS_THREAD->blocks.openedList.emplace_back(_block);
beginFrame();
return;
}
bool empty = true;
if (state == EASY_PROF_DUMP)
{
const bool halt = THIS_THREAD->halt;
if (halt || THIS_THREAD->blocks.openedList.empty())
{
_block.m_status = profiler::OFF;
THIS_THREAD->blocks.openedList.emplace_back(_block);
if (!halt)
{
THIS_THREAD->halt = true;
beginFrame();
}
return;
}
empty = false;
}
else
{
empty = THIS_THREAD->blocks.openedList.empty();
}
THIS_THREAD->stackSize = 0;
THIS_THREAD->halt = false;
#if EASY_ENABLE_BLOCK_STATUS != 0
if (THIS_THREAD->allowChildren)
{
#endif
if (_block.m_status & profiler::ON)
_block.start();
#if EASY_ENABLE_BLOCK_STATUS != 0
THIS_THREAD->allowChildren = ((_block.m_status & profiler::OFF_RECURSIVE) == 0);
}
else if (_block.m_status & FORCE_ON_FLAG)
{
_block.start();
_block.m_status = profiler::FORCE_ON_WITHOUT_CHILDREN;
}
else
{
_block.m_status = profiler::OFF_RECURSIVE;
}
#endif
if (empty)
{
beginFrame();
THIS_THREAD->profiledFrameOpened.store(true, std::memory_order_release);
}
THIS_THREAD->blocks.openedList.emplace_back(_block);
}
void ProfileManager::beginNonScopedBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName)
{
if (THIS_THREAD == nullptr)
registerThread();
NonscopedBlock& b = THIS_THREAD->nonscopedBlocks.push(_desc, _runtimeName, false);
beginBlock(b);
b.copyname();
}
void ProfileManager::beginContextSwitch(profiler::thread_id_t _thread_id, profiler::timestamp_t _time, profiler::thread_id_t _target_thread_id, const char* _target_process, bool _lockSpin)
{
auto ts = _lockSpin ? findThreadStorage(_thread_id) : _findThreadStorage(_thread_id);
if (ts != nullptr)
// Dirty hack: _target_thread_id will be written to the field "block_id_t m_id"
// and will be available calling method id().
ts->sync.openedList.emplace_back(_time, _target_thread_id, _target_process);
}
//////////////////////////////////////////////////////////////////////////
void ProfileManager::endBlock()
{
if (--THIS_THREAD->stackSize > 0)
{
THIS_THREAD->popSilent();
return;
}
THIS_THREAD->stackSize = 0;
if (THIS_THREAD->halt || m_profilerStatus.load(std::memory_order_acquire) == EASY_PROF_DISABLED)
{
THIS_THREAD->popSilent();
endFrame();
return;
}
if (THIS_THREAD->blocks.openedList.empty())
return;
Block& top = THIS_THREAD->blocks.openedList.back();
if (top.m_status & profiler::ON)
{
if (!top.finished())
top.finish();
THIS_THREAD->storeBlock(top);
}
else
{
top.m_end = top.m_begin; // this is to restrict endBlock() call inside ~Block()
}
if (!top.m_isScoped)
THIS_THREAD->nonscopedBlocks.pop();
THIS_THREAD->blocks.openedList.pop_back();
const bool empty = THIS_THREAD->blocks.openedList.empty();
if (empty)
{
THIS_THREAD->profiledFrameOpened.store(false, std::memory_order_release);
endFrame();
#if EASY_ENABLE_BLOCK_STATUS != 0
THIS_THREAD->allowChildren = true;
}
else
{
THIS_THREAD->allowChildren =
((THIS_THREAD->blocks.openedList.back().get().m_status & profiler::OFF_RECURSIVE) == 0);
}
#else
}
#endif
}
void ProfileManager::endContextSwitch(profiler::thread_id_t _thread_id, processid_t _process_id, profiler::timestamp_t _endtime, bool _lockSpin)
{
ThreadStorage* ts = nullptr;
if (_process_id == m_processId)
{
// Implicit thread registration.
// If thread owned by current process then create new ThreadStorage if there is no one
#if EASY_OPTION_IMPLICIT_THREAD_REGISTRATION != 0
ts = _lockSpin ? &threadStorage(_thread_id) : &_threadStorage(_thread_id);
# if !defined(_WIN32) && !defined(EASY_CXX11_TLS_AVAILABLE)
# if EASY_OPTION_REMOVE_EMPTY_UNGUARDED_THREADS != 0
# pragma message "Warning: Implicit thread registration together with removing empty unguarded threads may cause application crash because there is no possibility to check thread state (dead or alive) for pthreads and removed ThreadStorage may be reused if thread is still alive."
# else
# pragma message "Warning: Implicit thread registration without removing empty unguarded threads may lead to memory leak because there is no possibility to check thread state (dead or alive) for pthreads."
# endif
# endif
#endif
}
else
{
// If thread owned by another process OR _process_id IS UNKNOWN then do not create ThreadStorage for this
ts = _lockSpin ? findThreadStorage(_thread_id) : _findThreadStorage(_thread_id);
}
if (ts == nullptr || ts->sync.openedList.empty())
return;
CSwitchBlock& lastBlock = ts->sync.openedList.back();
lastBlock.m_end = _endtime;
ts->storeCSwitch(lastBlock);
ts->sync.openedList.pop_back();
}
//////////////////////////////////////////////////////////////////////////
void ProfileManager::beginFrame()
{
THIS_THREAD->beginFrame();
}
void ProfileManager::endFrame()
{
if (!THIS_THREAD->frameOpened)
return;
const profiler::timestamp_t duration = THIS_THREAD->endFrame();
if (THIS_THREAD_FRAME_T_RESET_MAX)
{
THIS_THREAD_FRAME_T_RESET_MAX = false;
THIS_THREAD_FRAME_T_MAX = 0;
}
THIS_THREAD_FRAME_T_CUR = duration;
if (duration > THIS_THREAD_FRAME_T_MAX)
THIS_THREAD_FRAME_T_MAX = duration;
if (THIS_THREAD_N_FRAMES > 10000)
THIS_THREAD_FRAME_T_RESET_AVG = true;
if (THIS_THREAD_IS_MAIN)
{
if (m_frameAvgReset.exchange(false, std::memory_order_release) || THIS_THREAD_FRAME_T_RESET_AVG)
{
if (THIS_THREAD_N_FRAMES > 0)
m_frameAvg.store(THIS_THREAD_FRAME_T_ACC / THIS_THREAD_N_FRAMES, std::memory_order_release);
THIS_THREAD_FRAME_T_RESET_AVG = false;
THIS_THREAD_FRAME_T_ACC = duration;
THIS_THREAD_N_FRAMES = 1;
}
else
{
THIS_THREAD_FRAME_T_ACC += duration;
++THIS_THREAD_N_FRAMES;
m_frameAvg.store(THIS_THREAD_FRAME_T_ACC / THIS_THREAD_N_FRAMES, std::memory_order_release);
}
auto maxDuration = m_frameMax.load(std::memory_order_acquire);
if (m_frameMaxReset.exchange(false, std::memory_order_release))
maxDuration = 0;
if (duration > maxDuration)
m_frameMax.store(duration, std::memory_order_release);
if (m_frameMaxReset.exchange(false, std::memory_order_release))
maxDuration = 0;
m_frameCur.store(duration, std::memory_order_release);
}
else if (THIS_THREAD_FRAME_T_RESET_AVG)
{
THIS_THREAD_FRAME_T_RESET_AVG = false;
THIS_THREAD_FRAME_T_ACC = duration;
THIS_THREAD_N_FRAMES = 1;
}
else
{
THIS_THREAD_FRAME_T_ACC += duration;
++THIS_THREAD_N_FRAMES;
}
}
profiler::timestamp_t ProfileManager::maxFrameDuration()
{
auto duration = m_frameMax.load(std::memory_order_acquire);
m_frameMaxReset.store(true, std::memory_order_release);
return duration;
}
profiler::timestamp_t ProfileManager::avgFrameDuration()
{
auto duration = m_frameAvg.load(std::memory_order_acquire);
m_frameAvgReset.store(true, std::memory_order_release);
return duration;
}
profiler::timestamp_t ProfileManager::curFrameDuration() const
{
return m_frameCur.load(std::memory_order_acquire);
}
//////////////////////////////////////////////////////////////////////////
void ProfileManager::enableEventTracer()
{
#ifdef _WIN32
if (m_isEventTracingEnabled.load(std::memory_order_acquire))
EasyEventTracer::instance().enable(true);
#endif
}
void ProfileManager::disableEventTracer()
{
#ifdef _WIN32
EasyEventTracer::instance().disable();
#endif
}
void ProfileManager::setEnabled(bool isEnable)
{
guard_lock_t lock(m_dumpSpin);
auto time = getCurrentTime();
const auto status = isEnable ? EASY_PROF_ENABLED : EASY_PROF_DISABLED;
const auto prev = m_profilerStatus.exchange(status, std::memory_order_release);
if (prev == status)
return;
if (isEnable)
{
EASY_LOGMSG("Enabled profiling\n");
enableEventTracer();
m_beginTime = time;
}
else
{
EASY_LOGMSG("Disabled profiling\n");
disableEventTracer();
m_endTime = time;
}
}
bool ProfileManager::isEnabled() const
{
return m_profilerStatus.load(std::memory_order_acquire) == EASY_PROF_ENABLED;
}
void ProfileManager::setEventTracingEnabled(bool _isEnable)
{
m_isEventTracingEnabled.store(_isEnable, std::memory_order_release);
}
bool ProfileManager::isEventTracingEnabled() const
{
return m_isEventTracingEnabled.load(std::memory_order_acquire);
}
//////////////////////////////////////////////////////////////////////////
char ProfileManager::checkThreadExpired(ThreadStorage& _registeredThread)
{
const char val = _registeredThread.expired.load(std::memory_order_acquire);
if (val != 0)
return val;
if (_registeredThread.guarded)
return 0;
#ifdef _WIN32
// Check thread state for Windows
DWORD exitCode = 0;
auto hThread = OpenThread(THREAD_QUERY_LIMITED_INFORMATION, FALSE, (DWORD)_registeredThread.id);
if (hThread == nullptr || GetExitCodeThread(hThread, &exitCode) == FALSE || exitCode != STILL_ACTIVE)
{
// Thread has been expired
_registeredThread.expired.store(1, std::memory_order_release);
if (hThread != nullptr)
CloseHandle(hThread);
return 1;
}
if (hThread != nullptr)
CloseHandle(hThread);
return 0;
#else
// Check thread state for Linux and MacOS/iOS
// This would drop the application if pthread already died
//return pthread_kill(_registeredThread.pthread_id, 0) != 0 ? 1 : 0;
// There is no function to check external pthread state in Linux! :((
#ifndef EASY_CXX11_TLS_AVAILABLE
#pragma message "Warning: Your compiler does not support thread_local C++11 feature. Please use EASY_THREAD_SCOPE as much as possible. Otherwise, there is a possibility of memory leak if there are a lot of rapidly created and destroyed threads."
#endif
return 0;
#endif
}
//////////////////////////////////////////////////////////////////////////
uint32_t ProfileManager::dumpBlocksToStream(profiler::OStream& _outputStream, bool _lockSpin, bool _async)
{
EASY_LOGMSG("dumpBlocksToStream(_lockSpin = " << _lockSpin << ")...\n");
if (_lockSpin)
m_dumpSpin.lock();
const auto state = m_profilerStatus.load(std::memory_order_acquire);
#ifndef _WIN32
const bool eventTracingEnabled = m_isEventTracingEnabled.load(std::memory_order_acquire);
#endif
if (state == EASY_PROF_ENABLED) {
m_profilerStatus.store(EASY_PROF_DUMP, std::memory_order_release);
disableEventTracer();
m_endTime = getCurrentTime();
}
// This is to make sure that no new descriptors or new threads will be
// added until we finish sending data.
//m_spin.lock();
// This is the only place using both spins, so no dead-lock will occur
if (_async && m_stopDumping.load(std::memory_order_acquire))
{
if (_lockSpin)
m_dumpSpin.unlock();
return 0;
}
// Wait for some time to be sure that all operations which began before setEnabled(false) will be finished.
// This is much better than inserting spin-lock or atomic variable check into each store operation.
std::this_thread::sleep_for(std::chrono::milliseconds(20));
// wait for all threads finish opened frames
EASY_LOG_ONLY(bool logged = false);
for (auto it = m_threads.begin(), end = m_threads.end(); it != end;)
{
if (_async && m_stopDumping.load(std::memory_order_acquire))
{
if (_lockSpin)
m_dumpSpin.unlock();
return 0;
}
if (!it->second.profiledFrameOpened.load(std::memory_order_acquire))
{
++it;
EASY_LOG_ONLY(logged = false);
}
else
{
EASY_LOG_ONLY(
if (!logged)
{
logged = true;
if (it->second.named)
EASY_WARNING("Waiting for thread \"" << it->second.name << "\" finish opened frame (which is top EASY_BLOCK for this thread)...\n");
else
EASY_WARNING("Waiting for thread " << it->first << " finish opened frame (which is top EASY_BLOCK for this thread)...\n");
}
);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
}
m_profilerStatus.store(EASY_PROF_DISABLED, std::memory_order_release);
EASY_LOGMSG("All threads have closed frames\n");
EASY_LOGMSG("Disabled profiling\n");
m_spin.lock();
m_storedSpin.lock();
// TODO: think about better solution because this one is not 100% safe...
const profiler::timestamp_t now = getCurrentTime();
const profiler::timestamp_t endtime = m_endTime == 0 ? now : std::min(now, m_endTime);
#ifndef _WIN32
if (eventTracingEnabled)
{
// Read thread context switch events from temporary file
if (_async && m_stopDumping.load(std::memory_order_acquire))
{
m_spin.unlock();
m_storedSpin.unlock();
if (_lockSpin)
m_dumpSpin.unlock();
return 0;
}
EASY_LOGMSG("Writing context switch events...\n");
uint64_t timestamp = 0;
profiler::thread_id_t thread_from = 0, thread_to = 0;
std::ifstream infile(m_csInfoFilename.c_str());
if(infile.is_open())
{
EASY_LOG_ONLY(uint32_t num = 0);
std::string next_task_name;
pid_t process_to = 0;
while (infile >> timestamp >> thread_from >> thread_to >> next_task_name >> process_to)
{
if (_async && m_stopDumping.load(std::memory_order_acquire))
{
m_spin.unlock();
m_storedSpin.unlock();
if (_lockSpin)
m_dumpSpin.unlock();
return 0;
}
beginContextSwitch(thread_from, timestamp, thread_to, next_task_name.c_str(), false);
endContextSwitch(thread_to, (processid_t)process_to, timestamp, false);
EASY_LOG_ONLY(++num);
}
EASY_LOGMSG("Done, " << num << " context switch events wrote\n");
}
EASY_LOG_ONLY(
else {
EASY_ERROR("Can not open context switch log-file \"" << m_csInfoFilename << "\"\n");
}
)
}
#endif
bool mainThreadExpired = false;
// Calculate used memory total size and total blocks number
uint64_t usedMemorySize = 0;
uint32_t blocks_number = 0;
for (auto it = m_threads.begin(), end = m_threads.end(); it != end;)
{
if (_async && m_stopDumping.load(std::memory_order_acquire))
{
m_spin.unlock();
m_storedSpin.unlock();
if (_lockSpin)
m_dumpSpin.unlock();
return 0;
}
auto& t = it->second;
uint32_t num = static_cast<uint32_t>(t.blocks.closedList.size()) + static_cast<uint32_t>(t.sync.closedList.size());
const char expired = ProfileManager::checkThreadExpired(t);
#ifdef _WIN32
if (num == 0 && expired != 0)
#elif defined(EASY_CXX11_TLS_AVAILABLE)
// Removing !guarded thread when thread_local feature is supported is safe.
if (num == 0 && (expired != 0 || !t.guarded))
#elif EASY_OPTION_REMOVE_EMPTY_UNGUARDED_THREADS != 0
# pragma message "Warning: Removing !guarded thread without thread_local support may cause an application crash, but fixes potential memory leak when using pthreads."
// Removing !guarded thread may cause an application crash if a thread would start to write blocks after ThreadStorage remove.
// TODO: Find solution to check thread state for pthread or to nullify THIS_THREAD pointer for removed ThreadStorage
if (num == 0 && (expired != 0 || !t.guarded))
#else
# pragma message "Warning: Can not check pthread state (dead or alive). This may cause memory leak because ThreadStorage-s would not be removed ever during an application launched."
if (num == 0 && expired != 0)
#endif
{
// Remove thread if it contains no profiled information and has been finished (or is not guarded --deprecated).
profiler::thread_id_t id = it->first;
if (!mainThreadExpired && m_mainThreadId.compare_exchange_weak(id, 0, std::memory_order_release, std::memory_order_acquire))
mainThreadExpired = true;
m_threads.erase(it++);
continue;
}
if (expired == 1)
{
EASY_FORCE_EVENT3(t, endtime, "ThreadExpired", EASY_COLOR_THREAD_END);
++num;
}
usedMemorySize += t.blocks.usedMemorySize + t.sync.usedMemorySize;
blocks_number += num;
++it;
}
// Write profiler signature and version
_outputStream.write(PROFILER_SIGNATURE);
_outputStream.write(EASY_CURRENT_VERSION);
_outputStream.write(m_processId);
// Write CPU frequency to let GUI calculate real time value from CPU clocks
#if defined(EASY_CHRONO_CLOCK) || defined(_WIN32)
_outputStream.write(CPU_FREQUENCY);
#else
EASY_LOGMSG("Calculating CPU frequency\n");
const int64_t cpu_frequency = calculate_cpu_frequency();
_outputStream.write(cpu_frequency * 1000LL);
EASY_LOGMSG("Done calculating CPU frequency\n");
CPU_FREQUENCY.store(cpu_frequency, std::memory_order_release);
#endif
// Write begin and end time
_outputStream.write(m_beginTime);
_outputStream.write(m_endTime);
// Write blocks number and used memory size
_outputStream.write(blocks_number);
_outputStream.write(usedMemorySize);
_outputStream.write(static_cast<uint32_t>(m_descriptors.size()));
_outputStream.write(m_usedMemorySize);
// Write block descriptors
for (const auto descriptor : m_descriptors)
{
const auto name_size = descriptor->nameSize();
const auto filename_size = descriptor->filenameSize();
const auto size = static_cast<uint16_t>(sizeof(profiler::SerializedBlockDescriptor) + name_size + filename_size);
_outputStream.write(size);
_outputStream.write<profiler::BaseBlockDescriptor>(*descriptor);
_outputStream.write(name_size);
_outputStream.write(descriptor->name(), name_size);
_outputStream.write(descriptor->filename(), filename_size);
}
// Write blocks and context switch events for each thread
for (auto it = m_threads.begin(), end = m_threads.end(); it != end;)
{
if (_async && m_stopDumping.load(std::memory_order_acquire))
{
m_spin.unlock();
m_storedSpin.unlock();
if (_lockSpin)
m_dumpSpin.unlock();
return 0;
}
auto& t = it->second;
_outputStream.write(it->first);
const auto name_size = static_cast<uint16_t>(t.name.size() + 1);
_outputStream.write(name_size);
_outputStream.write(name_size > 1 ? t.name.c_str() : "", name_size);
_outputStream.write(t.sync.closedList.size());
if (!t.sync.closedList.empty())
t.sync.closedList.serialize(_outputStream);
_outputStream.write(t.blocks.closedList.size());
if (!t.blocks.closedList.empty())
t.blocks.closedList.serialize(_outputStream);
t.clearClosed();
//t.blocks.openedList.clear();
t.sync.openedList.clear();
if (t.expired.load(std::memory_order_acquire) != 0)
{
// Remove expired thread after writing all profiled information
profiler::thread_id_t id = it->first;
if (!mainThreadExpired && m_mainThreadId.compare_exchange_weak(id, 0, std::memory_order_release, std::memory_order_acquire))
mainThreadExpired = true;
m_threads.erase(it++);
}
else
{
++it;
}
}
m_storedSpin.unlock();
m_spin.unlock();
if (_lockSpin)
m_dumpSpin.unlock();
EASY_LOGMSG("Done dumpBlocksToStream(). Dumped " << blocks_number << " blocks\n");
return blocks_number;
}
uint32_t ProfileManager::dumpBlocksToFile(const char* _filename)
{
EASY_LOGMSG("dumpBlocksToFile(\"" << _filename << "\")...\n");
std::ofstream outputFile(_filename, std::fstream::binary);
if (!outputFile.is_open())
{
EASY_ERROR("Can not open \"" << _filename << "\" for writing\n");
return 0;
}
profiler::OStream outputStream;
// Replace outputStream buffer to outputFile buffer to avoid redundant copying
typedef ::std::basic_iostream<std::stringstream::char_type, std::stringstream::traits_type> stringstream_parent;
stringstream_parent& s = outputStream.stream();
auto oldbuf = s.rdbuf(outputFile.rdbuf());
// Write data directly to file
const auto blocksNumber = dumpBlocksToStream(outputStream, true, false);
// Restore old outputStream buffer to avoid possible second memory free on stringstream destructor
s.rdbuf(oldbuf);
EASY_LOGMSG("Done dumpBlocksToFile()\n");
return blocksNumber;
}
void ProfileManager::registerThread()
{
THIS_THREAD = &threadStorage(getCurrentThreadId());
#ifdef EASY_CXX11_TLS_AVAILABLE
THIS_THREAD->guarded = true;
THIS_THREAD_GUARD.m_id = THIS_THREAD->id;
#endif
}
const char* ProfileManager::registerThread(const char* name, ThreadGuard& threadGuard)
{
if (THIS_THREAD == nullptr)
THIS_THREAD = &threadStorage(getCurrentThreadId());
THIS_THREAD->guarded = true;
if (!THIS_THREAD->named)
{
THIS_THREAD->named = true;
THIS_THREAD->name = name;
if (THIS_THREAD->name == "Main")
{
profiler::thread_id_t id = 0;
THIS_THREAD_IS_MAIN = m_mainThreadId.compare_exchange_weak(id, THIS_THREAD->id, std::memory_order_release, std::memory_order_acquire);
}
#ifdef EASY_CXX11_TLS_AVAILABLE
THIS_THREAD_GUARD.m_id = THIS_THREAD->id;
}
(void)threadGuard; // this is just to prevent from warning about unused variable
#else
}
threadGuard.m_id = THIS_THREAD->id;
#endif
return THIS_THREAD->name.c_str();
}
const char* ProfileManager::registerThread(const char* name)
{
if (THIS_THREAD == nullptr)
THIS_THREAD = &threadStorage(getCurrentThreadId());
if (!THIS_THREAD->named)
{
THIS_THREAD->named = true;
THIS_THREAD->name = name;
if (THIS_THREAD->name == "Main")
{
profiler::thread_id_t id = 0;
THIS_THREAD_IS_MAIN = m_mainThreadId.compare_exchange_weak(id, THIS_THREAD->id, std::memory_order_release, std::memory_order_acquire);
}
#ifdef EASY_CXX11_TLS_AVAILABLE
THIS_THREAD->guarded = true;
THIS_THREAD_GUARD.m_id = THIS_THREAD->id;
#endif
}
return THIS_THREAD->name.c_str();
}
void ProfileManager::setBlockStatus(block_id_t _id, EasyBlockStatus _status)
{
if (m_profilerStatus.load(std::memory_order_acquire) != EASY_PROF_DISABLED)
return; // Changing blocks statuses is restricted while profile session is active
guard_lock_t lock(m_storedSpin);
if (_id < m_descriptors.size())
{
auto desc = m_descriptors[_id];
lock.unlock();
desc->m_status = _status;
}
}
void ProfileManager::startListen(uint16_t _port)
{
if (!m_isAlreadyListening.exchange(true, std::memory_order_release))
{
m_stopListen.store(false, std::memory_order_release);
m_listenThread = std::thread(&ProfileManager::listen, this, _port);
}
}
void ProfileManager::stopListen()
{
m_stopListen.store(true, std::memory_order_release);
if (m_listenThread.joinable())
m_listenThread.join();
m_isAlreadyListening.store(false, std::memory_order_release);
EASY_LOGMSG("Listening stopped\n");
}
bool ProfileManager::isListening() const
{
return m_isAlreadyListening.load(std::memory_order_acquire);
}
//////////////////////////////////////////////////////////////////////////
template <class T>
inline void join(std::future<T>& futureResult)
{
if (futureResult.valid())
futureResult.get();
}
void ProfileManager::listen(uint16_t _port)
{
EASY_THREAD_SCOPE("EasyProfiler.Listen");
EASY_LOGMSG("Listening started\n");
profiler::OStream os;
std::future<uint32_t> dumpingResult;
bool dumping = false;
const auto stopDumping = [this, &dumping, &dumpingResult, &os]
{
dumping = false;
m_stopDumping.store(true, std::memory_order_release);
join(dumpingResult);
os.clear();
};
EasySocket socket;
profiler::net::Message replyMessage(profiler::net::MessageType::Reply_Capturing_Started);
socket.bind(_port);
int bytes = 0;
while (!m_stopListen.load(std::memory_order_acquire))
{
if (dumping)
stopDumping();
socket.listen();
socket.accept();
bool hasConnect = true;
// Send reply
{
const bool wasLowPriorityET =
#ifdef _WIN32
EasyEventTracer::instance().isLowPriority();
#else
false;
#endif
const profiler::net::EasyProfilerStatus connectionReply(
m_profilerStatus.load(std::memory_order_acquire) == EASY_PROF_ENABLED,
m_isEventTracingEnabled.load(std::memory_order_acquire), wasLowPriorityET);
bytes = socket.send(&connectionReply, sizeof(profiler::net::EasyProfilerStatus));
hasConnect = bytes > 0;
}
while (hasConnect && !m_stopListen.load(std::memory_order_acquire))
{
if (dumping)
{
if (!dumpingResult.valid())
{
dumping = false;
socket.setReceiveTimeout(0);
os.clear();
}
else if (dumpingResult.wait_for(std::chrono::milliseconds(0)) == std::future_status::ready)
{
dumping = false;
dumpingResult.get();
const auto size = os.stream().tellp();
static const decltype(size) badSize = -1;
if (size != badSize)
{
const profiler::net::DataMessage dm(static_cast<uint32_t>(size),
profiler::net::MessageType::Reply_Blocks);
const size_t packet_size = sizeof(dm) + dm.size;
std::string sendbuf;
sendbuf.reserve(packet_size + 1);
if (sendbuf.capacity() >= packet_size) // check if there is enough memory
{
sendbuf.append((const char*) &dm, sizeof(dm));
sendbuf += os.stream().str(); // TODO: Avoid double-coping data from stringstream!
os.clear();
bytes = socket.send(sendbuf.c_str(), packet_size);
hasConnect = bytes > 0;
if (!hasConnect)
break;
}
else
{
EASY_ERROR("Can not send blocks. Not enough memory for allocating " << packet_size
<< " bytes");
os.clear();
}
}
else
{
EASY_ERROR("Can not send blocks. Bad std::stringstream.tellp() == -1");
os.clear();
}
replyMessage.type = profiler::net::MessageType::Reply_Blocks_End;
bytes = socket.send(&replyMessage, sizeof(replyMessage));
hasConnect = bytes > 0;
if (!hasConnect)
break;
socket.setReceiveTimeout(0);
}
}
char buffer[256] = {};
bytes = socket.receive(buffer, 255);
hasConnect = socket.isConnected();
if (!hasConnect || bytes < static_cast<int>(sizeof(profiler::net::Message)))
continue;
auto message = (const profiler::net::Message*)buffer;
if (!message->isEasyNetMessage())
continue;
switch (message->type)
{
case profiler::net::MessageType::Ping:
{
EASY_LOGMSG("receive MessageType::Ping\n");
break;
}
case profiler::net::MessageType::Request_MainThread_FPS:
{
profiler::timestamp_t maxDuration = maxFrameDuration(), avgDuration = avgFrameDuration();
maxDuration = TICKS_TO_US(maxDuration);
avgDuration = TICKS_TO_US(avgDuration);
const profiler::net::TimestampMessage reply(profiler::net::MessageType::Reply_MainThread_FPS,
(uint32_t)maxDuration, (uint32_t)avgDuration);
bytes = socket.send(&reply, sizeof(profiler::net::TimestampMessage));
hasConnect = bytes > 0;
break;
}
case profiler::net::MessageType::Request_Start_Capture:
{
EASY_LOGMSG("receive MessageType::Request_Start_Capture\n");
::profiler::timestamp_t t = 0;
EASY_FORCE_EVENT(t, "StartCapture", EASY_COLOR_START, profiler::OFF);
m_dumpSpin.lock();
const auto prev = m_profilerStatus.exchange(EASY_PROF_ENABLED, std::memory_order_release);
if (prev != EASY_PROF_ENABLED) {
enableEventTracer();
m_beginTime = t;
}
m_dumpSpin.unlock();
replyMessage.type = profiler::net::MessageType::Reply_Capturing_Started;
bytes = socket.send(&replyMessage, sizeof(replyMessage));
hasConnect = bytes > 0;
break;
}
case profiler::net::MessageType::Request_Stop_Capture:
{
EASY_LOGMSG("receive MessageType::Request_Stop_Capture\n");
if (dumping)
break;
m_dumpSpin.lock();
auto time = getCurrentTime();
const auto prev = m_profilerStatus.exchange(EASY_PROF_DUMP, std::memory_order_release);
if (prev == EASY_PROF_ENABLED) {
disableEventTracer();
m_endTime = time;
}
EASY_FORCE_EVENT2(m_endTime, "StopCapture", EASY_COLOR_END, profiler::OFF);
dumping = true;
socket.setReceiveTimeout(500); // We have to check if dumping ready or not
m_stopDumping.store(false, std::memory_order_release);
dumpingResult = std::async(std::launch::async, [this, &os]
{
auto result = dumpBlocksToStream(os, false, true);
m_dumpSpin.unlock();
return result;
});
break;
}
case profiler::net::MessageType::Request_Blocks_Description:
{
EASY_LOGMSG("receive MessageType::Request_Blocks_Description\n");
if (dumping)
stopDumping();
// Write profiler signature and version
os.write(PROFILER_SIGNATURE);
os.write(EASY_CURRENT_VERSION);
// Write block descriptors
m_storedSpin.lock();
os.write(static_cast<uint32_t>(m_descriptors.size()));
os.write(m_usedMemorySize);
for (const auto descriptor : m_descriptors)
{
const auto name_size = descriptor->nameSize();
const auto filename_size = descriptor->filenameSize();
const auto size = static_cast<uint16_t>(sizeof(profiler::SerializedBlockDescriptor)
+ name_size + filename_size);
os.write(size);
os.write<profiler::BaseBlockDescriptor>(*descriptor);
os.write(name_size);
os.write(descriptor->name(), name_size);
os.write(descriptor->filename(), filename_size);
}
m_storedSpin.unlock();
// END of Write block descriptors.
const auto size = os.stream().tellp();
static const decltype(size) badSize = -1;
if (size != badSize)
{
const profiler::net::DataMessage dm(static_cast<uint32_t>(size),
profiler::net::MessageType::Reply_Blocks_Description);
const size_t packet_size = sizeof(dm) + dm.size;
std::string sendbuf;
sendbuf.reserve(packet_size + 1);
if (sendbuf.capacity() >= packet_size) // check if there is enough memory
{
sendbuf.append((const char*)&dm, sizeof(dm));
sendbuf += os.stream().str(); // TODO: Avoid double-coping data from stringstream!
os.clear();
bytes = socket.send(sendbuf.c_str(), packet_size);
//hasConnect = bytes > 0;
}
else
{
EASY_ERROR("Can not send block descriptions. Not enough memory for allocating " << packet_size << " bytes");
}
}
else
{
EASY_ERROR("Can not send block descriptions. Bad std::stringstream.tellp() == -1");
}
replyMessage.type = profiler::net::MessageType::Reply_Blocks_Description_End
;
bytes = socket.send(&replyMessage, sizeof(replyMessage));
hasConnect = bytes > 0;
break;
}
case profiler::net::MessageType::Change_Block_Status:
{
auto data = reinterpret_cast<const profiler::net::BlockStatusMessage*>(message);
EASY_LOGMSG("receive MessageType::ChangeBLock_Status id=" << data->id << " status=" << data->status << std::endl);
setBlockStatus(data->id, static_cast<::profiler::EasyBlockStatus>(data->status));
break;
}
case profiler::net::MessageType::Change_Event_Tracing_Status:
{
auto data = reinterpret_cast<const profiler::net::BoolMessage*>(message);
EASY_LOGMSG("receive MessageType::Change_Event_Tracing_Status on=" << data->flag << std::endl);
m_isEventTracingEnabled.store(data->flag, std::memory_order_release);
break;
}
case profiler::net::MessageType::Change_Event_Tracing_Priority:
{
#if defined(_WIN32) || EASY_OPTION_LOG_ENABLED != 0
auto data = reinterpret_cast<const profiler::net::BoolMessage*>(message);
#endif
EASY_LOGMSG("receive MessageType::Change_Event_Tracing_Priority low=" << data->flag << std::endl);
#if defined(_WIN32)
EasyEventTracer::instance().setLowPriority(data->flag);
#endif
break;
}
default:
break;
}
}
}
if (dumping)
{
m_stopDumping.store(true, std::memory_order_release);
join(dumpingResult);
}
}
//////////////////////////////////////////////////////////////////////////
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