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#0 [Core] Refactoring: moved a lot of code to different source files

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This commit is contained in:
Victor Zarubkin 2017-09-30 19:51:33 +03:00
parent e6765a03a2
commit c7b9d4f464
11 changed files with 1162 additions and 832 deletions
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20
easy_profiler_core/CMakeLists.txt
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@ -109,25 +109,31 @@ message(STATUS "")
# Add source files:
set(CPP_FILES
block.cpp
easy_socket.cpp
event_trace_win.cpp
nonscoped_block.cpp
profile_manager.cpp
reader.cpp
event_trace_win.cpp
easy_socket.cpp
thread_storage.cpp
)
set(H_FILES
profile_manager.h
spin_lock.h
event_trace_win.h
chunk_allocator.h
current_time.h
current_thread.h
event_trace_win.h
nonscoped_block.h
profile_manager.h
thread_storage.h
spin_lock.h
stack_buffer.h
)
set(INCLUDE_FILES
include/easy/profiler.h
include/easy/reader.h
include/easy/easy_net.h
include/easy/easy_socket.h
include/easy/easy_compiler_support.h
include/easy/profiler.h
include/easy/profiler_aux.h
include/easy/profiler_colors.h
include/easy/reader.h

507
easy_profiler_core/chunk_allocator.h Normal file
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@ -0,0 +1,507 @@
/**
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.
**/
#ifndef EASY_PROFILER_CHUNK_ALLOCATOR_H
#define EASY_PROFILER_CHUNK_ALLOCATOR_H
#include <easy/easy_compiler_support.h>
#include <cstring>
#include <cstddef>
#include <stdint.h>
#include "outstream.h"
//////////////////////////////////////////////////////////////////////////
#ifndef EASY_ENABLE_ALIGNMENT
# define EASY_ENABLE_ALIGNMENT 0
#endif
#ifndef EASY_ALIGNMENT_SIZE
# define EASY_ALIGNMENT_SIZE alignof(std::max_align_t)
#endif
#if EASY_ENABLE_ALIGNMENT == 0
# define EASY_ALIGNED(TYPE, VAR, A) TYPE VAR
# define EASY_MALLOC(MEMSIZE, A) malloc(MEMSIZE)
# define EASY_FREE(MEMPTR) free(MEMPTR)
#else
# if defined(_MSC_VER)
# define EASY_ALIGNED(TYPE, VAR, A) __declspec(align(A)) TYPE VAR
# define EASY_MALLOC(MEMSIZE, A) _aligned_malloc(MEMSIZE, A)
# define EASY_FREE(MEMPTR) _aligned_free(MEMPTR)
# elif defined(__GNUC__)
# define EASY_ALIGNED(TYPE, VAR, A) TYPE VAR __attribute__((aligned(A)))
# define EASY_MALLOC(MEMSIZE, A) memalign(A, MEMSIZE)
# define EASY_FREE(MEMPTR) free(MEMPTR)
# else
# define EASY_ALIGNED(TYPE, VAR, A) TYPE VAR
# define EASY_MALLOC(MEMSIZE, A) malloc(MEMSIZE)
# define EASY_FREE(MEMPTR) free(MEMPTR)
# endif
#endif
//////////////////////////////////////////////////////////////////////////
//! Checks if a pointer is aligned.
//! \param ptr The pointer to check.
//! \param alignment The alignement (must be a power of 2)
//! \returns true if the memory is aligned.
//!
template <uint32_t ALIGNMENT>
EASY_FORCE_INLINE bool is_aligned(void* ptr)
{
static_assert(ALIGNMENT % 2 == 0, "Alignment must be a power of two.");
return ((uintptr_t)ptr & (ALIGNMENT-1)) == 0;
}
EASY_FORCE_INLINE void unaligned_zero16(void* ptr)
{
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(uint16_t*)ptr = 0;
#else
((char*)ptr)[0] = 0;
((char*)ptr)[1] = 0;
#endif
}
EASY_FORCE_INLINE void unaligned_zero32(void* ptr)
{
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(uint32_t*)ptr = 0;
#else
((char*)ptr)[0] = 0;
((char*)ptr)[1] = 0;
((char*)ptr)[2] = 0;
((char*)ptr)[3] = 0;
#endif
}
EASY_FORCE_INLINE void unaligned_zero64(void* ptr)
{
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(uint64_t*)ptr = 0;
#else
// Assume unaligned is more common.
if (!is_aligned<alignof(uint64_t)>(ptr)) {
((char*)ptr)[0] = 0;
((char*)ptr)[1] = 0;
((char*)ptr)[2] = 0;
((char*)ptr)[3] = 0;
((char*)ptr)[4] = 0;
((char*)ptr)[5] = 0;
((char*)ptr)[6] = 0;
((char*)ptr)[7] = 0;
}
else {
*(uint64_t*)ptr = 0;
}
#endif
}
template <typename T>
EASY_FORCE_INLINE void unaligned_store16(void* ptr, T val)
{
static_assert(sizeof(T) == 2, "16 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(T*)ptr = val;
#else
const char* const temp = (char*)&val;
((char*)ptr)[0] = temp[0];
((char*)ptr)[1] = temp[1];
#endif
}
template <typename T>
EASY_FORCE_INLINE void unaligned_store32(void* ptr, T val)
{
static_assert(sizeof(T) == 4, "32 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(T*)ptr = val;
#else
const char* const temp = (char*)&val;
((char*)ptr)[0] = temp[0];
((char*)ptr)[1] = temp[1];
((char*)ptr)[2] = temp[2];
((char*)ptr)[3] = temp[3];
#endif
}
template <typename T>
EASY_FORCE_INLINE void unaligned_store64(void* ptr, T val)
{
static_assert(sizeof(T) == 8, "64 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(T*)ptr = val;
#else
const char* const temp = (char*)&val;
// Assume unaligned is more common.
if (!is_aligned<alignof(T)>(ptr)) {
((char*)ptr)[0] = temp[0];
((char*)ptr)[1] = temp[1];
((char*)ptr)[2] = temp[2];
((char*)ptr)[3] = temp[3];
((char*)ptr)[4] = temp[4];
((char*)ptr)[5] = temp[5];
((char*)ptr)[6] = temp[6];
((char*)ptr)[7] = temp[7];
}
else {
*(T*)ptr = val;
}
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load16(const void* ptr)
{
static_assert(sizeof(T) == 2, "16 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
return *(T*)ptr;
#else
T value;
((char*)&value)[0] = ((char*)ptr)[0];
((char*)&value)[1] = ((char*)ptr)[1];
return value;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load16(const void* ptr, T* val)
{
static_assert(sizeof(T) == 2, "16 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*val = *(T*)ptr;
return *val;
#else
((char*)val)[0] = ((char*)ptr)[0];
((char*)val)[1] = ((char*)ptr)[1];
return *val;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load32(const void* ptr)
{
static_assert(sizeof(T) == 4, "32 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
return *(T*)ptr;
#else
T value;
((char*)&value)[0] = ((char*)ptr)[0];
((char*)&value)[1] = ((char*)ptr)[1];
((char*)&value)[2] = ((char*)ptr)[2];
((char*)&value)[3] = ((char*)ptr)[3];
return value;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load32(const void* ptr, T* val)
{
static_assert(sizeof(T) == 4, "32 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*val = *(T*)ptr;
#else
((char*)&val)[0] = ((char*)ptr)[0];
((char*)&val)[1] = ((char*)ptr)[1];
((char*)&val)[2] = ((char*)ptr)[2];
((char*)&val)[3] = ((char*)ptr)[3];
return *val;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load64(const void* ptr)
{
static_assert(sizeof(T) == 8, "64 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
return *(T*)ptr;
#else
if (!is_aligned<alignof(T)>(ptr)) {
T value;
((char*)&value)[0] = ((char*)ptr)[0];
((char*)&value)[1] = ((char*)ptr)[1];
((char*)&value)[2] = ((char*)ptr)[2];
((char*)&value)[3] = ((char*)ptr)[3];
((char*)&value)[4] = ((char*)ptr)[4];
((char*)&value)[5] = ((char*)ptr)[5];
((char*)&value)[6] = ((char*)ptr)[6];
((char*)&value)[7] = ((char*)ptr)[7];
return value;
}
else {
return *(T*)ptr;
}
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load64(const void* ptr, T* val)
{
static_assert(sizeof(T) == 8, "64 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*val = *(T*)ptr;
#else
if (!is_aligned<alignof(T)>(ptr)) {
((char*)&val)[0] = ((char*)ptr)[0];
((char*)&val)[1] = ((char*)ptr)[1];
((char*)&val)[2] = ((char*)ptr)[2];
((char*)&val)[3] = ((char*)ptr)[3];
((char*)&val)[4] = ((char*)ptr)[4];
((char*)&val)[5] = ((char*)ptr)[5];
((char*)&val)[6] = ((char*)ptr)[6];
((char*)&val)[7] = ((char*)ptr)[7];
return *val;
}
else {
*val = *(T*)ptr;
return *val;
}
#endif
}
//////////////////////////////////////////////////////////////////////////
template <uint16_t N>
class chunk_allocator
{
struct chunk { EASY_ALIGNED(char, data[N], EASY_ALIGNMENT_SIZE); chunk* prev = nullptr; };
struct chunk_list
{
chunk* last;
chunk_list() : last(nullptr)
{
static_assert(sizeof(char) == 1, "easy_profiler logic error: sizeof(char) != 1 for this platform! Please, contact easy_profiler authors to resolve your problem.");
emplace_back();
}
~chunk_list()
{
do free_last(); while (last != nullptr);
}
void clear_all_except_last()
{
while (last->prev != nullptr)
free_last();
zero_last_chunk_size();
}
void emplace_back()
{
auto prev = last;
last = ::new (EASY_MALLOC(sizeof(chunk), EASY_ALIGNMENT_SIZE)) chunk();
last->prev = prev;
zero_last_chunk_size();
}
/** Invert current chunks list to enable to iterate over chunks list in direct order.
This method is used by serialize().
*/
void invert()
{
chunk* next = nullptr;
while (last->prev != nullptr) {
auto p = last->prev;
last->prev = next;
next = last;
last = p;
}
last->prev = next;
}
private:
chunk_list(const chunk_list&) = delete;
chunk_list(chunk_list&&) = delete;
void free_last()
{
auto p = last;
last = last->prev;
EASY_FREE(p);
}
void zero_last_chunk_size()
{
// Although there is no need for unaligned access stuff b/c a new chunk will
// usually be at least 8 byte aligned (and we only need 2 byte alignment),
// this is the only way I have been able to get rid of the GCC strict-aliasing warning
// without using std::memset. It's an extra line, but is just as fast as *(uint16_t*)last->data = 0;
char* const data = last->data;
*(uint16_t*)data = (uint16_t)0;
}
};
// Used in serialize(): workaround for no constexpr support in MSVC 2013.
static const int_fast32_t MAX_CHUNK_OFFSET = N - sizeof(uint16_t);
static const uint16_t N_MINUS_ONE = N - 1;
chunk_list m_chunks; ///< List of chunks.
uint32_t m_size; ///< Number of elements stored(# of times allocate() has been called.)
uint16_t m_chunkOffset; ///< Number of bytes used in the current chunk.
public:
chunk_allocator() : m_size(0), m_chunkOffset(0)
{
}
/** Allocate n bytes.
Automatically checks if there is enough preserved memory to store additional n bytes
and allocates additional buffer if needed.
*/
void* allocate(uint16_t n)
{
++m_size;
if (!need_expand(n))
{
// Temp to avoid extra load due to this* aliasing.
uint16_t chunkOffset = m_chunkOffset;
char* data = m_chunks.last->data + chunkOffset;
chunkOffset += n + sizeof(uint16_t);
m_chunkOffset = chunkOffset;
unaligned_store16(data, n);
data += sizeof(uint16_t);
// If there is enough space for at least another payload size,
// set it to zero.
if (chunkOffset < N_MINUS_ONE)
unaligned_zero16(data + n);
return data;
}
m_chunkOffset = n + sizeof(uint16_t);
m_chunks.emplace_back();
char* data = m_chunks.last->data;
unaligned_store16(data, n);
data += sizeof(uint16_t);
// We assume here that it takes more than one element to fill a chunk.
unaligned_zero16(data + n);
return data;
}
/** Check if current storage is not enough to store additional n bytes.
*/
bool need_expand(uint16_t n) const
{
return (m_chunkOffset + n + sizeof(uint16_t)) > N;
}
uint32_t size() const
{
return m_size;
}
bool empty() const
{
return m_size == 0;
}
void clear()
{
m_size = 0;
m_chunkOffset = 0;
m_chunks.clear_all_except_last(); // There is always at least one chunk
}
/** Serialize data to stream.
\warning Data will be cleared after serialization.
*/
void serialize(profiler::OStream& _outputStream)
{
// Chunks are stored in reversed order (stack).
// To be able to iterate them in direct order we have to invert the chunks list.
m_chunks.invert();
// Each chunk is an array of N bytes that can hold between
// 1(if the list isn't empty) and however many elements can fit in a chunk,
// where an element consists of a payload size + a payload as follows:
// elementStart[0..1]: size as a uint16_t
// elementStart[2..size-1]: payload.
// The maximum chunk offset is N-sizeof(uint16_t) b/c, if we hit that (or go past),
// there is either no space left, 1 byte left, or 2 bytes left, all of which are
// too small to cary more than a zero-sized element.
chunk* current = m_chunks.last;
do {
const char* data = current->data;
int_fast32_t chunkOffset = 0; // signed int so overflow is not checked.
uint16_t payloadSize = unaligned_load16<uint16_t>(data);
while (chunkOffset < MAX_CHUNK_OFFSET && payloadSize != 0) {
const uint16_t chunkSize = sizeof(uint16_t) + payloadSize;
_outputStream.write(data, chunkSize);
data += chunkSize;
chunkOffset += chunkSize;
unaligned_load16(data, &payloadSize);
}
current = current->prev;
} while (current != nullptr);
clear();
}
private:
chunk_allocator(const chunk_allocator&) = delete;
chunk_allocator(chunk_allocator&&) = delete;
}; // END of class chunk_allocator.
//////////////////////////////////////////////////////////////////////////
#endif // EASY_PROFILER_CHUNK_ALLOCATOR_H

79
easy_profiler_core/current_thread.h Normal file
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@ -0,0 +1,79 @@
/**
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.
**/
#ifndef EASY_PROFILER_CURRENT_THREAD_H
#define EASY_PROFILER_CURRENT_THREAD_H
#include <easy/profiler.h>
#ifdef _WIN32
# include <Windows.h>
#elif defined(__APPLE__)
# include <pthread.h>
# include <Availability.h>
#else
# include <sys/types.h>
# include <unistd.h>
# include <sys/syscall.h>
#endif
inline profiler::thread_id_t getCurrentThreadId()
{
#ifdef _WIN32
return (profiler::thread_id_t)::GetCurrentThreadId();
#elif defined(__APPLE__)
# if (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_6) || \
(defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
EASY_THREAD_LOCAL static uint64_t _id = 0;
if (!_id)
pthread_threadid_np(NULL, &_id);
return (profiler::thread_id_t)_id;
# else
return (profiler::thread_id_t)pthread_self();
# endif
#else
EASY_THREAD_LOCAL static const profiler::thread_id_t _id = (profiler::thread_id_t)syscall(__NR_gettid);
return _id;
#endif
}
#endif // EASY_PROFILER_CURRENT_THREAD_H

10
easy_profiler_core/event_trace_win.cpp
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@ -171,8 +171,14 @@ namespace profiler {
//////////////////////////////////////////////////////////////////////////
typedef ::std::unordered_map<decltype(CSwitch::NewThreadId), ProcessInfo*, ::profiler::do_not_calc_hash> thread_process_info_map;
typedef ::std::unordered_map<processid_t, ProcessInfo, ::profiler::do_not_calc_hash> process_info_map;
struct do_not_calc_hash {
template <class T> inline size_t operator()(T _value) const {
return static_cast<size_t>(_value);
}
};
typedef ::std::unordered_map<decltype(CSwitch::NewThreadId), ProcessInfo*, do_not_calc_hash> thread_process_info_map;
typedef ::std::unordered_map<processid_t, ProcessInfo, do_not_calc_hash> process_info_map;
// Using static is safe because processTraceEvent() is called from one thread
process_info_map PROCESS_INFO_TABLE;

91
easy_profiler_core/nonscoped_block.cpp Normal file
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@ -0,0 +1,91 @@
/**
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 "nonscoped_block.h"
#include <string.h>
NonscopedBlock::NonscopedBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, bool)
: profiler::Block(_desc, _runtimeName, false), m_runtimeName(nullptr)
{
}
NonscopedBlock::~NonscopedBlock()
{
// Actually destructor should not be invoked because StackBuffer do manual memory management
m_end = m_begin; // to restrict profiler::Block to invoke profiler::endBlock() on destructor.
free(m_runtimeName);
}
void NonscopedBlock::copyname()
{
// Here we need to copy m_name to m_runtimeName to ensure that
// it would be alive to the moment we will serialize the block
if ((m_status & profiler::ON) == 0)
return;
if (*m_name != 0)
{
auto len = strlen(m_name);
m_runtimeName = static_cast<char*>(malloc(len + 1));
// memcpy should be faster than strncpy because we know
// actual bytes number and both strings have the same size
memcpy(m_runtimeName, m_name, len);
m_runtimeName[len] = 0;
m_name = m_runtimeName;
}
else
{
m_name = "";
}
}
void NonscopedBlock::destroy()
{
// free memory used by m_runtimeName
free(m_runtimeName);
m_name = "";
}

73
easy_profiler_core/nonscoped_block.h Normal file
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@ -0,0 +1,73 @@
/**
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.
**/
#ifndef EASY_PROFILER_NONSCOPED_BLOCK_H
#define EASY_PROFILER_NONSCOPED_BLOCK_H
#include <easy/profiler.h>
class NonscopedBlock : public profiler::Block
{
char* m_runtimeName; ///< A copy of _runtimeName to make it safe to begin block in one function and end it in another
NonscopedBlock() = delete;
NonscopedBlock(const NonscopedBlock&) = delete;
NonscopedBlock(NonscopedBlock&&) = delete;
NonscopedBlock& operator = (const NonscopedBlock&) = delete;
NonscopedBlock& operator = (NonscopedBlock&&) = delete;
public:
NonscopedBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, bool = false);
~NonscopedBlock();
/** Copy string from m_name to m_runtimeName to make it safe to end block in another function.
Performs any work if block is ON and m_name != ""
*/
void copyname();
void destroy();
}; // END of class NonscopedBlock.
#endif // EASY_PROFILER_NONSCOPED_BLOCK_H

139
easy_profiler_core/profile_manager.cpp
View File

@ -59,6 +59,7 @@
#include "event_trace_win.h"
#include "current_time.h"
#include "current_thread.h"
#ifdef __APPLE__
#include <mach/clock.h>
@ -116,6 +117,10 @@
# 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
@ -161,12 +166,16 @@ extern const uint32_t EASY_CURRENT_VERSION = EASY_VERSION_INT(EASY_PROFILER_VERS
const 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;
@ -620,136 +629,6 @@ public:
//////////////////////////////////////////////////////////////////////////
NonscopedBlock::NonscopedBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, bool)
: profiler::Block(_desc, _runtimeName, false), m_runtimeName(nullptr)
{
}
NonscopedBlock::~NonscopedBlock()
{
// Actually destructor should not be invoked because StackBuffer do manual memory management
m_end = m_begin; // to restrict profiler::Block to invoke profiler::endBlock() on destructor.
free(m_runtimeName);
}
void NonscopedBlock::copyname()
{
// Here we need to copy m_name to m_runtimeName to ensure that
// it would be alive to the moment we will serialize the block
if ((m_status & profiler::ON) == 0)
return;
if (*m_name != 0)
{
auto len = strlen(m_name);
m_runtimeName = static_cast<char*>(malloc(len + 1));
// memcpy should be faster than strncpy because we know
// actual bytes number and both strings have the same size
memcpy(m_runtimeName, m_name, len);
m_runtimeName[len] = 0;
m_name = m_runtimeName;
}
else
{
m_name = "";
}
}
void NonscopedBlock::destroy()
{
// free memory used by m_runtimeName
free(m_runtimeName);
m_name = "";
}
//////////////////////////////////////////////////////////////////////////
ThreadStorage::ThreadStorage() : nonscopedBlocks(16), id(getCurrentThreadId()), allowChildren(true), named(false), guarded(false)
#ifndef _WIN32
, pthread_id(pthread_self())
#endif
{
expired = ATOMIC_VAR_INIT(0);
frame = ATOMIC_VAR_INIT(false);
}
void ThreadStorage::storeBlock(const profiler::Block& block)
{
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
EASY_LOCAL_STATIC_PTR(const BaseBlockDescriptor*, desc,\
MANAGER.addBlockDescriptor(EASY_OPTION_STORAGE_EXPAND_BLOCKS_ON ? profiler::ON : profiler::OFF, EASY_UNIQUE_LINE_ID, "EasyProfiler.ExpandStorage",\
__FILE__, __LINE__, profiler::BLOCK_TYPE_BLOCK, EASY_COLOR_INTERNAL_EVENT));
EASY_THREAD_LOCAL static profiler::timestamp_t beginTime = 0ULL;
EASY_THREAD_LOCAL static profiler::timestamp_t endTime = 0ULL;
#endif
uint16_t name_length = static_cast<uint16_t>(strlen(block.name()));
uint16_t size = static_cast<uint16_t>(sizeof(BaseBlockData) + name_length + 1);
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
const bool expanded = (desc->m_status & profiler::ON) && blocks.closedList.need_expand(size);
if (expanded) beginTime = getCurrentTime();
#endif
void* data = blocks.closedList.allocate(size);
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
if (expanded) endTime = getCurrentTime();
#endif
::new (data) SerializedBlock(block, name_length);
blocks.usedMemorySize += size;
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
if (expanded)
{
profiler::Block b(beginTime, desc->id(), "");
b.finish(endTime);
size = static_cast<uint16_t>(sizeof(BaseBlockData) + 1);
data = blocks.closedList.allocate(size);
::new (data) SerializedBlock(b, 0);
blocks.usedMemorySize += size;
}
#endif
}
void ThreadStorage::storeCSwitch(const CSwitchBlock& block)
{
uint16_t name_length = static_cast<uint16_t>(strlen(block.name()));
uint16_t size = static_cast<uint16_t>(sizeof(CSwitchEvent) + name_length + 1);
void* data = sync.closedList.allocate(size);
::new (data) SerializedCSwitch(block, name_length);
sync.usedMemorySize += size;
}
void ThreadStorage::clearClosed()
{
blocks.clearClosed();
sync.clearClosed();
}
void ThreadStorage::popSilent()
{
if (!blocks.openedList.empty())
{
Block& top = blocks.openedList.back();
top.m_end = top.m_begin;
if (!top.m_isScoped)
nonscopedBlocks.pop();
blocks.openedList.pop_back();
}
}
//////////////////////////////////////////////////////////////////////////
ThreadGuard::~ThreadGuard()
{
#ifndef EASY_PROFILER_API_DISABLED

694
easy_profiler_core/profile_manager.h
View File

@ -49,706 +49,14 @@ The Apache License, Version 2.0 (the "License");
#include "spin_lock.h"
#include "outstream.h"
#include "hashed_cstr.h"
#include "thread_storage.h"
#include <map>
#include <vector>
#include <unordered_map>
#include <thread>
#include <atomic>
#include <list>
#include <type_traits>
#include <cstring>
#include <cstddef>
//////////////////////////////////////////////////////////////////////////
#ifdef _WIN32
#include <Windows.h>
#elif defined(__APPLE__)
#include <pthread.h>
#include <Availability.h>
#else
#include <sys/types.h>
#include <unistd.h>
#include <sys/syscall.h>
#include <chrono>
#include <time.h>
#include <malloc.h>
#endif
#ifdef max
#undef max
#endif
inline profiler::thread_id_t getCurrentThreadId()
{
#ifdef _WIN32
return (profiler::thread_id_t)::GetCurrentThreadId();
#elif defined(__APPLE__)
# if (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_6) || \
(defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
EASY_THREAD_LOCAL static uint64_t _id = 0;
if (!_id)
pthread_threadid_np(NULL, &_id);
return (profiler::thread_id_t)_id;
# else
return (profiler::thread_id_t)pthread_self();
# endif
#else
EASY_THREAD_LOCAL static const profiler::thread_id_t _id = (profiler::thread_id_t)syscall(__NR_gettid);
return _id;
#endif
}
namespace profiler {
class SerializedBlock;
struct do_not_calc_hash {
template <class T> inline size_t operator()(T _value) const {
return static_cast<size_t>(_value);
}
};
}
//////////////////////////////////////////////////////////////////////////
#ifndef EASY_ENABLE_BLOCK_STATUS
# define EASY_ENABLE_BLOCK_STATUS 1
#endif
#ifndef EASY_ENABLE_ALIGNMENT
# define EASY_ENABLE_ALIGNMENT 0
#endif
#ifndef EASY_ALIGNMENT_SIZE
# define EASY_ALIGNMENT_SIZE alignof(std::max_align_t)
#endif
#if EASY_ENABLE_ALIGNMENT == 0
# define EASY_ALIGNED(TYPE, VAR, A) TYPE VAR
# define EASY_MALLOC(MEMSIZE, A) malloc(MEMSIZE)
# define EASY_FREE(MEMPTR) free(MEMPTR)
#else
# if defined(_MSC_VER)
# define EASY_ALIGNED(TYPE, VAR, A) __declspec(align(A)) TYPE VAR
# define EASY_MALLOC(MEMSIZE, A) _aligned_malloc(MEMSIZE, A)
# define EASY_FREE(MEMPTR) _aligned_free(MEMPTR)
# elif defined(__GNUC__)
# define EASY_ALIGNED(TYPE, VAR, A) TYPE VAR __attribute__((aligned(A)))
# define EASY_MALLOC(MEMSIZE, A) memalign(A, MEMSIZE)
# define EASY_FREE(MEMPTR) free(MEMPTR)
# else
# define EASY_ALIGNED(TYPE, VAR, A) TYPE VAR
# define EASY_MALLOC(MEMSIZE, A) malloc(MEMSIZE)
# define EASY_FREE(MEMPTR) free(MEMPTR)
# endif
#endif
//! Checks if a pointer is aligned.
//! \param ptr The pointer to check.
//! \param alignment The alignement (must be a power of 2)
//! \returns true if the memory is aligned.
//!
template <uint32_t ALIGNMENT>
EASY_FORCE_INLINE bool is_aligned(void* ptr)
{
static_assert(ALIGNMENT % 2 == 0, "Alignment must be a power of two.");
return ((uintptr_t)ptr & (ALIGNMENT-1)) == 0;
}
EASY_FORCE_INLINE void unaligned_zero16(void* ptr)
{
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(uint16_t*)ptr = 0;
#else
((char*)ptr)[0] = 0;
((char*)ptr)[1] = 0;
#endif
}
EASY_FORCE_INLINE void unaligned_zero32(void* ptr)
{
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(uint32_t*)ptr = 0;
#else
((char*)ptr)[0] = 0;
((char*)ptr)[1] = 0;
((char*)ptr)[2] = 0;
((char*)ptr)[3] = 0;
#endif
}
EASY_FORCE_INLINE void unaligned_zero64(void* ptr)
{
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(uint64_t*)ptr = 0;
#else
// Assume unaligned is more common.
if (!is_aligned<alignof(uint64_t)>(ptr)) {
((char*)ptr)[0] = 0;
((char*)ptr)[1] = 0;
((char*)ptr)[2] = 0;
((char*)ptr)[3] = 0;
((char*)ptr)[4] = 0;
((char*)ptr)[5] = 0;
((char*)ptr)[6] = 0;
((char*)ptr)[7] = 0;
}
else {
*(uint64_t*)ptr = 0;
}
#endif
}
template <typename T>
EASY_FORCE_INLINE void unaligned_store16(void* ptr, T val)
{
static_assert(sizeof(T) == 2, "16 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(T*)ptr = val;
#else
const char* const temp = (char*)&val;
((char*)ptr)[0] = temp[0];
((char*)ptr)[1] = temp[1];
#endif
}
template <typename T>
EASY_FORCE_INLINE void unaligned_store32(void* ptr, T val)
{
static_assert(sizeof(T) == 4, "32 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(T*)ptr = val;
#else
const char* const temp = (char*)&val;
((char*)ptr)[0] = temp[0];
((char*)ptr)[1] = temp[1];
((char*)ptr)[2] = temp[2];
((char*)ptr)[3] = temp[3];
#endif
}
template <typename T>
EASY_FORCE_INLINE void unaligned_store64(void* ptr, T val)
{
static_assert(sizeof(T) == 8, "64 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*(T*)ptr = val;
#else
const char* const temp = (char*)&val;
// Assume unaligned is more common.
if (!is_aligned<alignof(T)>(ptr)) {
((char*)ptr)[0] = temp[0];
((char*)ptr)[1] = temp[1];
((char*)ptr)[2] = temp[2];
((char*)ptr)[3] = temp[3];
((char*)ptr)[4] = temp[4];
((char*)ptr)[5] = temp[5];
((char*)ptr)[6] = temp[6];
((char*)ptr)[7] = temp[7];
}
else {
*(T*)ptr = val;
}
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load16(const void* ptr)
{
static_assert(sizeof(T) == 2, "16 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
return *(T*)ptr;
#else
T value;
((char*)&value)[0] = ((char*)ptr)[0];
((char*)&value)[1] = ((char*)ptr)[1];
return value;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load16(const void* ptr, T* val)
{
static_assert(sizeof(T) == 2, "16 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*val = *(T*)ptr;
return *val;
#else
((char*)val)[0] = ((char*)ptr)[0];
((char*)val)[1] = ((char*)ptr)[1];
return *val;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load32(const void* ptr)
{
static_assert(sizeof(T) == 4, "32 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
return *(T*)ptr;
#else
T value;
((char*)&value)[0] = ((char*)ptr)[0];
((char*)&value)[1] = ((char*)ptr)[1];
((char*)&value)[2] = ((char*)ptr)[2];
((char*)&value)[3] = ((char*)ptr)[3];
return value;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load32(const void* ptr, T* val)
{
static_assert(sizeof(T) == 4, "32 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*val = *(T*)ptr;
#else
((char*)&val)[0] = ((char*)ptr)[0];
((char*)&val)[1] = ((char*)ptr)[1];
((char*)&val)[2] = ((char*)ptr)[2];
((char*)&val)[3] = ((char*)ptr)[3];
return *val;
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load64(const void* ptr)
{
static_assert(sizeof(T) == 8, "64 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
return *(T*)ptr;
#else
if (!is_aligned<alignof(T)>(ptr)) {
T value;
((char*)&value)[0] = ((char*)ptr)[0];
((char*)&value)[1] = ((char*)ptr)[1];
((char*)&value)[2] = ((char*)ptr)[2];
((char*)&value)[3] = ((char*)ptr)[3];
((char*)&value)[4] = ((char*)ptr)[4];
((char*)&value)[5] = ((char*)ptr)[5];
((char*)&value)[6] = ((char*)ptr)[6];
((char*)&value)[7] = ((char*)ptr)[7];
return value;
}
else {
return *(T*)ptr;
}
#endif
}
template <typename T>
EASY_FORCE_INLINE T unaligned_load64(const void* ptr, T* val)
{
static_assert(sizeof(T) == 8, "64 bit type required.");
#ifndef EASY_ENABLE_STRICT_ALIGNMENT
*val = *(T*)ptr;
#else
if (!is_aligned<alignof(T)>(ptr)) {
((char*)&val)[0] = ((char*)ptr)[0];
((char*)&val)[1] = ((char*)ptr)[1];
((char*)&val)[2] = ((char*)ptr)[2];
((char*)&val)[3] = ((char*)ptr)[3];
((char*)&val)[4] = ((char*)ptr)[4];
((char*)&val)[5] = ((char*)ptr)[5];
((char*)&val)[6] = ((char*)ptr)[6];
((char*)&val)[7] = ((char*)ptr)[7];
return *val;
}
else {
*val = *(T*)ptr;
return *val;
}
#endif
}
template <uint16_t N>
class chunk_allocator
{
struct chunk { EASY_ALIGNED(char, data[N], EASY_ALIGNMENT_SIZE); chunk* prev = nullptr; };
struct chunk_list
{
chunk* last;
chunk_list() : last(nullptr)
{
static_assert(sizeof(char) == 1, "easy_profiler logic error: sizeof(char) != 1 for this platform! Please, contact easy_profiler authors to resolve your problem.");
emplace_back();
}
~chunk_list()
{
do free_last(); while (last != nullptr);
}
void clear_all_except_last()
{
while (last->prev != nullptr)
free_last();
zero_last_chunk_size();
}
void emplace_back()
{
auto prev = last;
last = ::new (EASY_MALLOC(sizeof(chunk), EASY_ALIGNMENT_SIZE)) chunk();
last->prev = prev;
zero_last_chunk_size();
}
/** Invert current chunks list to enable to iterate over chunks list in direct order.
This method is used by serialize().
*/
void invert()
{
chunk* next = nullptr;
while (last->prev != nullptr) {
auto p = last->prev;
last->prev = next;
next = last;
last = p;
}
last->prev = next;
}
private:
chunk_list(const chunk_list&) = delete;
chunk_list(chunk_list&&) = delete;
void free_last()
{
auto p = last;
last = last->prev;
EASY_FREE(p);
}
void zero_last_chunk_size()
{
// Although there is no need for unaligned access stuff b/c a new chunk will
// usually be at least 8 byte aligned (and we only need 2 byte alignment),
// this is the only way I have been able to get rid of the GCC strict-aliasing warning
// without using std::memset. It's an extra line, but is just as fast as *(uint16_t*)last->data = 0;
char* const data = last->data;
*(uint16_t*)data = (uint16_t)0;
}
};
// Used in serialize(): workaround for no constexpr support in MSVC 2013.
static const int_fast32_t MAX_CHUNK_OFFSET = N - sizeof(uint16_t);
static const uint16_t N_MINUS_ONE = N - 1;
chunk_list m_chunks; ///< List of chunks.
uint32_t m_size; ///< Number of elements stored(# of times allocate() has been called.)
uint16_t m_chunkOffset; ///< Number of bytes used in the current chunk.
public:
chunk_allocator() : m_size(0), m_chunkOffset(0)
{
}
/** Allocate n bytes.
Automatically checks if there is enough preserved memory to store additional n bytes
and allocates additional buffer if needed.
*/
void* allocate(uint16_t n)
{
++m_size;
if (!need_expand(n))
{
// Temp to avoid extra load due to this* aliasing.
uint16_t chunkOffset = m_chunkOffset;
char* data = m_chunks.last->data + chunkOffset;
chunkOffset += n + sizeof(uint16_t);
m_chunkOffset = chunkOffset;
unaligned_store16(data, n);
data += sizeof(uint16_t);
// If there is enough space for at least another payload size,
// set it to zero.
if (chunkOffset < N_MINUS_ONE)
unaligned_zero16(data + n);
return data;
}
m_chunkOffset = n + sizeof(uint16_t);
m_chunks.emplace_back();
char* data = m_chunks.last->data;
unaligned_store16(data, n);
data += sizeof(uint16_t);
// We assume here that it takes more than one element to fill a chunk.
unaligned_zero16(data + n);
return data;
}
/** Check if current storage is not enough to store additional n bytes.
*/
bool need_expand(uint16_t n) const
{
return (m_chunkOffset + n + sizeof(uint16_t)) > N;
}
uint32_t size() const
{
return m_size;
}
bool empty() const
{
return m_size == 0;
}
void clear()
{
m_size = 0;
m_chunkOffset = 0;
m_chunks.clear_all_except_last(); // There is always at least one chunk
}
/** Serialize data to stream.
\warning Data will be cleared after serialization.
*/
void serialize(profiler::OStream& _outputStream)
{
// Chunks are stored in reversed order (stack).
// To be able to iterate them in direct order we have to invert the chunks list.
m_chunks.invert();
// Each chunk is an array of N bytes that can hold between
// 1(if the list isn't empty) and however many elements can fit in a chunk,
// where an element consists of a payload size + a payload as follows:
// elementStart[0..1]: size as a uint16_t
// elementStart[2..size-1]: payload.
// The maximum chunk offset is N-sizeof(uint16_t) b/c, if we hit that (or go past),
// there is either no space left, 1 byte left, or 2 bytes left, all of which are
// too small to cary more than a zero-sized element.
chunk* current = m_chunks.last;
do {
const char* data = current->data;
int_fast32_t chunkOffset = 0; // signed int so overflow is not checked.
uint16_t payloadSize = unaligned_load16<uint16_t>(data);
while (chunkOffset < MAX_CHUNK_OFFSET && payloadSize != 0) {
const uint16_t chunkSize = sizeof(uint16_t) + payloadSize;
_outputStream.write(data, chunkSize);
data += chunkSize;
chunkOffset += chunkSize;
unaligned_load16(data, &payloadSize);
}
current = current->prev;
} while (current != nullptr);
clear();
}
private:
chunk_allocator(const chunk_allocator&) = delete;
chunk_allocator(chunk_allocator&&) = delete;
}; // END of class chunk_allocator.
//////////////////////////////////////////////////////////////////////////
class NonscopedBlock : public profiler::Block
{
char* m_runtimeName; ///< a copy of _runtimeName to make it safe to begin block in one function and end it in another
NonscopedBlock() = delete;
NonscopedBlock(const NonscopedBlock&) = delete;
NonscopedBlock(NonscopedBlock&&) = delete;
NonscopedBlock& operator = (const NonscopedBlock&) = delete;
NonscopedBlock& operator = (NonscopedBlock&&) = delete;
public:
NonscopedBlock(const profiler::BaseBlockDescriptor* _desc, const char* _runtimeName, bool = false);
~NonscopedBlock();
/** Copy string from m_name to m_runtimeName to make it safe to end block in another function.
Performs any work if block is ON and m_name != ""
*/
void copyname();
void destroy();
}; // END of class NonscopedBlock.
//////////////////////////////////////////////////////////////////////////
template <class T>
inline void destroy_elem(T*)
{
}
inline void destroy_elem(NonscopedBlock* _elem)
{
_elem->destroy();
}
template <class T>
class StackBuffer
{
struct chunk { int8_t data[sizeof(T)]; };
std::list<chunk> m_overflow; ///< List of additional stack elements if current capacity of buffer is not enough
T* m_buffer; ///< Contiguous buffer used for stack
uint32_t m_size; ///< Current size of stack
uint32_t m_capacity; ///< Current capacity of m_buffer
uint32_t m_maxcapacity; ///< Maximum used capacity including m_buffer and m_overflow
public:
StackBuffer(uint32_t N) : m_buffer(static_cast<T*>(malloc(N * sizeof(T)))), m_size(0), m_capacity(N), m_maxcapacity(N)
{
}
~StackBuffer()
{
for (uint32_t i = 0; i < m_size; ++i)
destroy_elem(m_buffer + i);
free(m_buffer);
for (auto& elem : m_overflow)
destroy_elem(reinterpret_cast<T*>(elem.data + 0));
}
template <class ... TArgs>
T& push(TArgs ... _args)
{
if (m_size < m_capacity)
return *(::new (m_buffer + m_size++) T(_args...));
m_overflow.emplace_back();
const uint32_t cap = m_capacity + static_cast<uint32_t>(m_overflow.size());
if (m_maxcapacity < cap)
m_maxcapacity = cap;
return *(::new (m_overflow.back().data + 0) T(_args...));
}
void pop()
{
if (m_overflow.empty())
{
// m_size should not be equal to 0 here because ProfileManager behavior does not allow such situation
destroy_elem(m_buffer + --m_size);
if (m_size == 0 && m_maxcapacity > m_capacity)
{
// When stack gone empty we can resize buffer to use enough space in the future
free(m_buffer);
m_maxcapacity = m_capacity = std::max(m_maxcapacity, m_capacity << 1);
m_buffer = static_cast<T*>(malloc(m_capacity * sizeof(T)));
}
return;
}
destroy_elem(reinterpret_cast<T*>(m_overflow.back().data + 0));
m_overflow.pop_back();
}
private:
StackBuffer(const StackBuffer&) = delete;
StackBuffer(StackBuffer&&) = delete;
}; // END of class StackBuffer.
//////////////////////////////////////////////////////////////////////////
template <class T, const uint16_t N>
struct BlocksList
{
BlocksList() = default;
std::vector<T> openedList;
chunk_allocator<N> closedList;
uint64_t usedMemorySize = 0;
void clearClosed() {
//closedList.clear();
usedMemorySize = 0;
}
private:
BlocksList(const BlocksList&) = delete;
BlocksList(BlocksList&&) = delete;
}; // END of struct BlocksList.
//////////////////////////////////////////////////////////////////////////
class CSwitchBlock : public profiler::CSwitchEvent
{
const char* m_name;
public:
CSwitchBlock(profiler::timestamp_t _begin_time, profiler::thread_id_t _tid, const char* _runtimeName);
inline const char* name() const { return m_name; }
};
//////////////////////////////////////////////////////////////////////////
const uint16_t SIZEOF_BLOCK = sizeof(profiler::BaseBlockData) + 1 + sizeof(uint16_t); // SerializedBlock stores BaseBlockData + at least 1 character for name ('\0') + 2 bytes for size of serialized data
const uint16_t SIZEOF_CSWITCH = sizeof(profiler::CSwitchEvent) + 1 + sizeof(uint16_t); // SerializedCSwitch also stores additional 4 bytes to be able to save 64-bit thread_id
struct ThreadStorage
{
StackBuffer<NonscopedBlock> nonscopedBlocks;
BlocksList<std::reference_wrapper<profiler::Block>, SIZEOF_BLOCK * (uint16_t)128U> blocks;
BlocksList<CSwitchBlock, SIZEOF_CSWITCH * (uint16_t)128U> sync;
std::string name; ///< Thread name
#ifndef _WIN32
const pthread_t pthread_id; ///< Thread pointer
#endif
const profiler::thread_id_t id; ///< Thread ID
std::atomic<char> expired; ///< Is thread expired
std::atomic_bool frame; ///< Is new frame opened
bool allowChildren; ///< False if one of previously opened blocks has OFF_RECURSIVE or ON_WITHOUT_CHILDREN status
bool named; ///< True if thread name was set
bool guarded; ///< True if thread has been registered using ThreadGuard
void storeBlock(const profiler::Block& _block);
void storeCSwitch(const CSwitchBlock& _block);
void clearClosed();
void popSilent();
ThreadStorage();
private:
ThreadStorage(const ThreadStorage&) = delete;
ThreadStorage(ThreadStorage&&) = delete;
}; // END of struct ThreadStorage.
//////////////////////////////////////////////////////////////////////////

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/**
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.
**/
#ifndef EASY_PROFILER_STACK_BUFFER_H
#define EASY_PROFILER_STACK_BUFFER_H
#include "nonscoped_block.h"
#include <list>
#include <algorithm>
#ifdef max
#undef max
#endif
template <class T>
inline void destroy_elem(T*)
{
}
inline void destroy_elem(NonscopedBlock* _elem)
{
_elem->destroy();
}
template <class T>
class StackBuffer
{
struct chunk { int8_t data[sizeof(T)]; };
std::list<chunk> m_overflow; ///< List of additional stack elements if current capacity of buffer is not enough
T* m_buffer; ///< Contiguous buffer used for stack
uint32_t m_size; ///< Current size of stack
uint32_t m_capacity; ///< Current capacity of m_buffer
uint32_t m_maxcapacity; ///< Maximum used capacity including m_buffer and m_overflow
public:
StackBuffer(uint32_t N) : m_buffer(static_cast<T*>(malloc(N * sizeof(T)))), m_size(0), m_capacity(N), m_maxcapacity(N)
{
}
~StackBuffer()
{
for (uint32_t i = 0; i < m_size; ++i)
destroy_elem(m_buffer + i);
free(m_buffer);
for (auto& elem : m_overflow)
destroy_elem(reinterpret_cast<T*>(elem.data + 0));
}
template <class ... TArgs>
T& push(TArgs ... _args)
{
if (m_size < m_capacity)
return *(::new (m_buffer + m_size++) T(_args...));
m_overflow.emplace_back();
const uint32_t cap = m_capacity + static_cast<uint32_t>(m_overflow.size());
if (m_maxcapacity < cap)
m_maxcapacity = cap;
return *(::new (m_overflow.back().data + 0) T(_args...));
}
void pop()
{
if (m_overflow.empty())
{
// m_size should not be equal to 0 here because ProfileManager behavior does not allow such situation
destroy_elem(m_buffer + --m_size);
if (m_size == 0 && m_maxcapacity > m_capacity)
{
// When stack gone empty we can resize buffer to use enough space in the future
free(m_buffer);
m_maxcapacity = m_capacity = std::max(m_maxcapacity, m_capacity << 1);
m_buffer = static_cast<T*>(malloc(m_capacity * sizeof(T)));
}
return;
}
destroy_elem(reinterpret_cast<T*>(m_overflow.back().data + 0));
m_overflow.pop_back();
}
private:
StackBuffer(const StackBuffer&) = delete;
StackBuffer(StackBuffer&&) = delete;
}; // END of class StackBuffer.
#endif // EASY_PROFILER_STACK_BUFFER_H

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/**
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 <easy/serialized_block.h>
#include "thread_storage.h"
#include "current_thread.h"
#include "current_time.h"
ThreadStorage::ThreadStorage() : nonscopedBlocks(16), id(getCurrentThreadId()), allowChildren(true), named(false), guarded(false)
{
expired = ATOMIC_VAR_INIT(0);
frame = ATOMIC_VAR_INIT(false);
}
void ThreadStorage::storeBlock(const profiler::Block& block)
{
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
EASY_LOCAL_STATIC_PTR(const BaseBlockDescriptor*, desc, \
MANAGER.addBlockDescriptor(EASY_OPTION_STORAGE_EXPAND_BLOCKS_ON ? profiler::ON : profiler::OFF, EASY_UNIQUE_LINE_ID, "EasyProfiler.ExpandStorage", \
__FILE__, __LINE__, profiler::BLOCK_TYPE_BLOCK, EASY_COLOR_INTERNAL_EVENT));
EASY_THREAD_LOCAL static profiler::timestamp_t beginTime = 0ULL;
EASY_THREAD_LOCAL static profiler::timestamp_t endTime = 0ULL;
#endif
uint16_t name_length = static_cast<uint16_t>(strlen(block.name()));
uint16_t size = static_cast<uint16_t>(sizeof(profiler::BaseBlockData) + name_length + 1);
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
const bool expanded = (desc->m_status & profiler::ON) && blocks.closedList.need_expand(size);
if (expanded) beginTime = getCurrentTime();
#endif
void* data = blocks.closedList.allocate(size);
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
if (expanded) endTime = getCurrentTime();
#endif
::new (data) profiler::SerializedBlock(block, name_length);
blocks.usedMemorySize += size;
#if EASY_OPTION_MEASURE_STORAGE_EXPAND != 0
if (expanded)
{
profiler::Block b(beginTime, desc->id(), "");
b.finish(endTime);
size = static_cast<uint16_t>(sizeof(profiler::BaseBlockData) + 1);
data = blocks.closedList.allocate(size);
::new (data) profiler::SerializedBlock(b, 0);
blocks.usedMemorySize += size;
}
#endif
}
void ThreadStorage::storeCSwitch(const CSwitchBlock& block)
{
uint16_t name_length = static_cast<uint16_t>(strlen(block.name()));
uint16_t size = static_cast<uint16_t>(sizeof(profiler::CSwitchEvent) + name_length + 1);
void* data = sync.closedList.allocate(size);
::new (data) profiler::SerializedCSwitch(block, name_length);
sync.usedMemorySize += size;
}
void ThreadStorage::clearClosed()
{
blocks.clearClosed();
sync.clearClosed();
}
void ThreadStorage::popSilent()
{
if (!blocks.openedList.empty())
{
profiler::Block& top = blocks.openedList.back();
top.m_end = top.m_begin;
if (!top.m_isScoped)
nonscopedBlocks.pop();
blocks.openedList.pop_back();
}
}

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/**
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.
**/
#ifndef EASY_PROFILER_THREAD_STORAGE_H
#define EASY_PROFILER_THREAD_STORAGE_H
#include <easy/profiler.h>
#include <vector>
#include <string>
#include <atomic>
#include "stack_buffer.h"
#include "chunk_allocator.h"
//////////////////////////////////////////////////////////////////////////
template <class T, const uint16_t N>
struct BlocksList
{
BlocksList() = default;
std::vector<T> openedList;
chunk_allocator<N> closedList;
uint64_t usedMemorySize = 0;
void clearClosed() {
//closedList.clear();
usedMemorySize = 0;
}
private:
BlocksList(const BlocksList&) = delete;
BlocksList(BlocksList&&) = delete;
}; // END of struct BlocksList.
//////////////////////////////////////////////////////////////////////////
class CSwitchBlock : public profiler::CSwitchEvent
{
const char* m_name;
public:
CSwitchBlock(profiler::timestamp_t _begin_time, profiler::thread_id_t _tid, const char* _runtimeName);
inline const char* name() const { return m_name; }
};
//////////////////////////////////////////////////////////////////////////
const uint16_t SIZEOF_BLOCK = sizeof(profiler::BaseBlockData) + 1 + sizeof(uint16_t); // SerializedBlock stores BaseBlockData + at least 1 character for name ('\0') + 2 bytes for size of serialized data
const uint16_t SIZEOF_CSWITCH = sizeof(profiler::CSwitchEvent) + 1 + sizeof(uint16_t); // SerializedCSwitch also stores additional 4 bytes to be able to save 64-bit thread_id
struct ThreadStorage
{
StackBuffer<NonscopedBlock> nonscopedBlocks;
BlocksList<std::reference_wrapper<profiler::Block>, SIZEOF_BLOCK * (uint16_t)128U> blocks;
BlocksList<CSwitchBlock, SIZEOF_CSWITCH * (uint16_t)128U> sync;
std::string name; ///< Thread name
const profiler::thread_id_t id; ///< Thread ID
std::atomic<char> expired; ///< Is thread expired
std::atomic_bool frame; ///< Is new frame opened
bool allowChildren; ///< False if one of previously opened blocks has OFF_RECURSIVE or ON_WITHOUT_CHILDREN status
bool named; ///< True if thread name was set
bool guarded; ///< True if thread has been registered using ThreadGuard
void storeBlock(const profiler::Block& _block);
void storeCSwitch(const CSwitchBlock& _block);
void clearClosed();
void popSilent();
ThreadStorage();
private:
ThreadStorage(const ThreadStorage&) = delete;
ThreadStorage(ThreadStorage&&) = delete;
}; // END of struct ThreadStorage.
//////////////////////////////////////////////////////////////////////////
#endif // EASY_PROFILER_THREAD_STORAGE_H