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astyle+comments
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@ -19,9 +19,9 @@ int main(int argc, char* argv[])
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int thread_count = 10;
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if(argc > 1)
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thread_count = atoi(argv[1]);
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int howmany = 1000000;
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int howmany = 10000001;
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spd::set_async_mode(1048576);
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spd::set_async_mode(1048576*16, spd::async_overflow_policy::discard_log_msg);
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auto logger = spdlog::create<spd::sinks::simple_file_sink_mt>("file_logger", "logs/spd-bench-async.txt", false);
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logger->set_pattern("[%Y-%b-%d %T.%e]: %v");
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@ -37,7 +37,7 @@ int main(int, char* [])
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spd::set_level(spd::level::debug);
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// Create console, multithreaded logger
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auto console = spd::stdout_logger_mt("console");
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auto console = spd::stdout_logger_mt("console");
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console->info("Hello {}", 1);
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console->info("An info message example {}..", 1);
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console->info() << "Streams are supported too " << 1;
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@ -65,7 +65,7 @@ int main(int, char* [])
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SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
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SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
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// Asynchronous logging is very fast..
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// Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
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size_t q_size = 1048576; //queue size must be power of 2
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@ -94,7 +94,10 @@ int main(int, char* [])
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// Example of user defined class with operator<<
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//
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class some_class {};
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std::ostream& operator<<(std::ostream& os, const some_class&) { return os << "some_class"; }
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std::ostream& operator<<(std::ostream& os, const some_class&)
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{
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return os << "some_class";
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}
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void custom_class_example()
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{
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@ -107,8 +107,9 @@ public:
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void log(const details::log_msg& msg);
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//Stop logging and join the back thread
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// stop logging and join the back thread
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~async_log_helper();
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void set_formatter(formatter_ptr);
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@ -137,11 +138,11 @@ private:
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// worker thread main loop
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void worker_loop();
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//pop next message from the queue and process it
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//return true if a message was available (queue was not empty), will set the last_pop to the pop time
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// pop next message from the queue and process it
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// return true if a message was available (queue was not empty), will set the last_pop to the pop time
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bool process_next_msg(clock::time_point& last_pop);
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// guess how much to sleep if queue is empty/full using last successful op time as hint
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// sleep,yield or return immediatly using the time passed since last message as a hint
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static void sleep_or_yield(const clock::time_point& last_op_time);
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};
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@ -210,8 +211,8 @@ inline void spdlog::details::async_log_helper::worker_loop()
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}
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}
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// Process next message in the queue
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// Return true if this thread should still be active (no msg with level::off was received)
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// process next message in the queue
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// return true if this thread should still be active (no msg with level::off was received)
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inline bool spdlog::details::async_log_helper::process_next_msg(clock::time_point& last_pop)
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{
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@ -243,7 +244,7 @@ inline void spdlog::details::async_log_helper::set_formatter(formatter_ptr msg_f
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}
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// Sleep,yield or return immediatly using the time passed since last message as a hint
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// sleep,yield or return immediatly using the time passed since last message as a hint
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inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_point& last_op_time)
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{
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using std::chrono::milliseconds;
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@ -251,7 +252,7 @@ inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_
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auto time_since_op = clock::now() - last_op_time;
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//spin upto 1 ms
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// spin upto 1 ms
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if (time_since_op <= milliseconds(1))
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return;
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@ -267,7 +268,7 @@ inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_
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return sleep_for(milliseconds(100));
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}
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//throw if the worker thread threw an exception or not active
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// throw if the worker thread threw an exception or not active
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inline void spdlog::details::async_log_helper::throw_if_bad_worker()
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{
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if (_last_workerthread_ex)
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@ -490,7 +490,7 @@ inline void spdlog::pattern_formatter::handle_flag(char flag)
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case 'L':
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_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::short_level_formatter()));
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break;
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case('t') :
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_formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::t_formatter()));
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break;
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@ -55,7 +55,7 @@ void set_pattern(const std::string& format_string);
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void set_formatter(formatter_ptr f);
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//
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// Set global logging level for
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// Set global logging level for
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//
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void set_level(level::level_enum log_level);
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@ -69,7 +69,7 @@ void set_level(level::level_enum log_level);
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// async_overflow_policy::block_retry - if queue is full, block until queue has room for the new log entry.
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// async_overflow_policy::discard_log_msg - never block and discard any new messages when queue overflows.
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//
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// worker_warmup_cb (optional):
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// worker_warmup_cb (optional):
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// callback function that will be called in worker thread upon start (can be used to init stuff like thread affinity)
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//
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void set_async_mode(size_t queue_size, const async_overflow_policy overflow_policy = async_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
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