mirrors/spdlog
1
0
Fork 0
mirror of https://github.com/gabime/spdlog.git synced 2024-12-24 09:31:34 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

astyle

Browse Source
This commit is contained in:
gabime 2014-12-07 07:18:43 +02:00
parent 5db6c5163c
commit 6313174bf1
5 changed files with 108 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
bench/spdlog-bench-async.cpp
View File

@ -14,9 +14,9 @@ int main(int, char* [])
for(int i = 0 ; i < howmany; ++i)
logger->info() << "spdlog message #" << i << ": This is some text for your pleasure";
//because spdlog async logger waits for the back thread logger to finish all messages upon destrcuting,
//and we want to measure only the time it took to push those messages to the backthread..
abort();
//because spdlog async logger waits for the back thread logger to finish all messages upon destrcuting,
//and we want to measure only the time it took to push those messages to the backthread..
abort();
return 0;
}

6
bench/spdlog-bench-mt-async.cpp
View File

@ -45,7 +45,7 @@ int main(int argc, char* argv[])
t.join();
};
//because spdlog async logger waits for the back thread logger to finish all messages upon destrcuting,
//and we want to measure only the time it took to push those messages to the backthread..
abort();
//because spdlog async logger waits for the back thread logger to finish all messages upon destrcuting,
//and we want to measure only the time it took to push those messages to the backthread..
abort();
}

20
example/bench.cpp
View File

@ -69,8 +69,8 @@ int main(int argc, char* argv[])
cout << "Single thread, " << format(howmany) << " iterations, auto flush=" << auto_flush << endl;
cout << "*******************************************************************************\n";
auto rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_st", file_size, rotating_files, auto_flush);
bench(howmany, rotating_st);
auto rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_st", file_size, rotating_files, auto_flush);
bench(howmany, rotating_st);
auto daily_st = spdlog::daily_logger_st("daily_st", "logs/daily_st", auto_flush);
bench(howmany, daily_st);
bench(howmany, spdlog::create<null_sink_st>("null_st"));
@ -79,8 +79,8 @@ int main(int argc, char* argv[])
cout << threads << " threads sharing same logger, " << format(howmany) << " iterations, auto_flush=" << auto_flush << endl;
cout << "*******************************************************************************\n";
auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "logs/rotating_mt", file_size, rotating_files, auto_flush);
bench_mt(howmany, rotating_mt, threads);
auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "logs/rotating_mt", file_size, rotating_files, auto_flush);
bench_mt(howmany, rotating_mt, threads);
auto daily_mt = spdlog::daily_logger_mt("daily_mt", "logs/daily_mt", auto_flush);
@ -94,12 +94,12 @@ int main(int argc, char* argv[])
spdlog::set_async_mode(howmany);
for(int i = 0; i < 5; ++i)
{
auto as = spdlog::daily_logger_st("as", "logs/daily_async", auto_flush);
bench_mt(howmany, as, threads);
spdlog::drop("as");
}
for(int i = 0; i < 5; ++i)
{
auto as = spdlog::daily_logger_st("as", "logs/daily_async", auto_flush);
bench_mt(howmany, as, threads);
spdlog::drop("as");
}
}
catch (std::exception &ex)
{

12
example/example.cpp
View File

@ -47,7 +47,7 @@ int main(int, char* [])
console->info("An info message example {}..", 1);
console->info() << "Streams are supported too " << 1;
console->info("Easy padding in numbers like {:08d}", 12);
console->info("Support for int: {0:d}; hex: {0:08x}; oct: {0:o}; bin: {0:b}", 42);
console->info("Support for floats {:03.2f}", 1.23456);
@ -56,13 +56,13 @@ int main(int, char* [])
console->info("{:<30}", "left aligned");
console->info("{:>30}", "right aligned");
console->info("{:^30}", "centered");
//Create a file rotating logger with 5mb size max and 3 rotated files
auto file_logger = spd::rotating_logger_mt("file_logger", filename, 1024 * 1024 * 5, 3);
file_logger->info("Log file message number", 1);
for(int i = 0; i < 10; ++i)
file_logger->info("{} * {} equals {:>10}", i, i, i*i);
file_logger->info("Log file message number", 1);
for(int i = 0; i < 10; ++i)
file_logger->info("{} * {} equals {:>10}", i, i, i*i);
spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
file_logger->info("This is another message with custom format");

170
include/spdlog/details/mpmc_bounded_q.h
View File

@ -74,101 +74,101 @@ class mpmc_bounded_queue
{
public:
using item_type = T;
mpmc_bounded_queue(size_t buffer_size)
: buffer_(new cell_t [buffer_size]),
buffer_mask_(buffer_size - 1)
{
//queue size must be power of two
if(!((buffer_size >= 2) && ((buffer_size & (buffer_size - 1)) == 0)))
throw spdlog_ex("async logger queue size must be power of two");
using item_type = T;
mpmc_bounded_queue(size_t buffer_size)
: buffer_(new cell_t [buffer_size]),
buffer_mask_(buffer_size - 1)
{
//queue size must be power of two
if(!((buffer_size >= 2) && ((buffer_size & (buffer_size - 1)) == 0)))
throw spdlog_ex("async logger queue size must be power of two");
for (size_t i = 0; i != buffer_size; i += 1)
buffer_[i].sequence_.store(i, std::memory_order_relaxed);
enqueue_pos_.store(0, std::memory_order_relaxed);
dequeue_pos_.store(0, std::memory_order_relaxed);
}
for (size_t i = 0; i != buffer_size; i += 1)
buffer_[i].sequence_.store(i, std::memory_order_relaxed);
enqueue_pos_.store(0, std::memory_order_relaxed);
dequeue_pos_.store(0, std::memory_order_relaxed);
}
~mpmc_bounded_queue()
{
delete [] buffer_;
}
~mpmc_bounded_queue()
{
delete [] buffer_;
}
bool enqueue(T&& data)
{
cell_t* cell;
size_t pos = enqueue_pos_.load(std::memory_order_relaxed);
for (;;)
{
cell = &buffer_[pos & buffer_mask_];
size_t seq = cell->sequence_.load(std::memory_order_acquire);
intptr_t dif = (intptr_t)seq - (intptr_t)pos;
if (dif == 0)
{
if (enqueue_pos_.compare_exchange_weak(pos, pos + 1, std::memory_order_relaxed))
break;
}
else if (dif < 0)
{
return false;
}
else
{
pos = enqueue_pos_.load(std::memory_order_relaxed);
}
}
cell->data_ = std::move(data);
cell->sequence_.store(pos + 1, std::memory_order_release);
return true;
}
bool enqueue(T&& data)
{
cell_t* cell;
size_t pos = enqueue_pos_.load(std::memory_order_relaxed);
for (;;)
{
cell = &buffer_[pos & buffer_mask_];
size_t seq = cell->sequence_.load(std::memory_order_acquire);
intptr_t dif = (intptr_t)seq - (intptr_t)pos;
if (dif == 0)
{
if (enqueue_pos_.compare_exchange_weak(pos, pos + 1, std::memory_order_relaxed))
break;
}
else if (dif < 0)
{
return false;
}
else
{
pos = enqueue_pos_.load(std::memory_order_relaxed);
}
}
cell->data_ = std::move(data);
cell->sequence_.store(pos + 1, std::memory_order_release);
return true;
}
bool dequeue(T& data)
{
cell_t* cell;
size_t pos = dequeue_pos_.load(std::memory_order_relaxed);
for (;;)
{
cell = &buffer_[pos & buffer_mask_];
size_t seq =
cell->sequence_.load(std::memory_order_acquire);
intptr_t dif = (intptr_t)seq - (intptr_t)(pos + 1);
if (dif == 0)
{
if (dequeue_pos_.compare_exchange_weak(pos, pos + 1, std::memory_order_relaxed))
break;
}
else if (dif < 0)
return false;
else
pos = dequeue_pos_.load(std::memory_order_relaxed);
}
data = std::move(cell->data_);
cell->sequence_.store(pos + buffer_mask_ + 1, std::memory_order_release);
return true;
}
bool dequeue(T& data)
{
cell_t* cell;
size_t pos = dequeue_pos_.load(std::memory_order_relaxed);
for (;;)
{
cell = &buffer_[pos & buffer_mask_];
size_t seq =
cell->sequence_.load(std::memory_order_acquire);
intptr_t dif = (intptr_t)seq - (intptr_t)(pos + 1);
if (dif == 0)
{
if (dequeue_pos_.compare_exchange_weak(pos, pos + 1, std::memory_order_relaxed))
break;
}
else if (dif < 0)
return false;
else
pos = dequeue_pos_.load(std::memory_order_relaxed);
}
data = std::move(cell->data_);
cell->sequence_.store(pos + buffer_mask_ + 1, std::memory_order_release);
return true;
}
private:
struct cell_t
{
std::atomic<size_t> sequence_;
T data_;
};
struct cell_t
{
std::atomic<size_t> sequence_;
T data_;
};
static size_t const cacheline_size = 64;
typedef char cacheline_pad_t [cacheline_size];
static size_t const cacheline_size = 64;
typedef char cacheline_pad_t [cacheline_size];
cacheline_pad_t pad0_;
cell_t* const buffer_;
size_t const buffer_mask_;
cacheline_pad_t pad1_;
std::atomic<size_t> enqueue_pos_;
cacheline_pad_t pad2_;
std::atomic<size_t> dequeue_pos_;
cacheline_pad_t pad3_;
cacheline_pad_t pad0_;
cell_t* const buffer_;
size_t const buffer_mask_;
cacheline_pad_t pad1_;
std::atomic<size_t> enqueue_pos_;
cacheline_pad_t pad2_;
std::atomic<size_t> dequeue_pos_;
cacheline_pad_t pad3_;
mpmc_bounded_queue(mpmc_bounded_queue const&);
void operator = (mpmc_bounded_queue const&);
mpmc_bounded_queue(mpmc_bounded_queue const&);
void operator = (mpmc_bounded_queue const&);
};
} // ns details