tf::TFProfObserver tf::ObserverInterface taskflow/core/observer.hpp tf::TFProfObserver::Summary tf::TFProfObserver::TaskSummary tf::TFProfObserver::WorkerSummary class friend class Executor Executor Executor class friend class TFProfManager TFProfManager TFProfManager Timeline Timeline tf::TFProfObserver::_timeline _timeline std::vector< std::stack< observer_stamp_t > > std::vector<std::stack<observer_stamp_t> > tf::TFProfObserver::_stacks _stacks void void tf::TFProfObserver::dump (std::ostream &ostream) const dump std::ostream & ostream dumps the timelines into a Taskflow Profiler format through an output stream std::string std::string tf::TFProfObserver::dump () const dump dumps the timelines into a JSON string void void tf::TFProfObserver::summary (std::ostream &ostream) const summary std::ostream & ostream shows the summary report through an output stream std::string std::string tf::TFProfObserver::summary () const summary returns the summary report in a string void void tf::TFProfObserver::clear () clear clears the timeline data size_t size_t tf::TFProfObserver::num_tasks () const num_tasks queries the number of tasks observed size_t size_t tf::TFProfObserver::num_workers () const num_workers queries the number of observed workers void void tf::TFProfObserver::set_up (size_t num_workers) override final set_up set_up size_t num_workers constructor-like method to call when the executor observer is fully created num_workers the number of the worker threads in the executor void void tf::TFProfObserver::on_entry (WorkerView, TaskView) override final on_entry on_entry WorkerView wv TaskView task_view method to call before a worker thread executes a closure wv an immutable view of this worker thread task_view a constant wrapper object to the task void void tf::TFProfObserver::on_exit (WorkerView, TaskView) override final on_exit on_exit WorkerView wv TaskView task_view method to call after a worker thread executed a closure wv an immutable view of this worker thread task_view a constant wrapper object to the task class to create an observer based on the built-in taskflow profiler format A tf::TFProfObserver inherits tf::ObserverInterface and defines methods to dump the observed thread activities into a format that can be visualized through Taskflow Profiler. tf::Taskflowtaskflow; tf::Executorexecutor; //inserttasksintotaskflow //... //createacustomobserver std::shared_ptr<tf::TFProfObserver>observer=executor.make_observer<tf::TFProfObserver>(); //runthetaskflow executor.run(taskflow).wait(); //dumpthethreadactivitiestoTaskflowProfilerformat. observer->dump(std::cout); tf::ObserverInterface tf::TFProfObserver tf::ObserverInterface tf::TFProfObserver tf::TFProfObserver_stacks tf::TFProfObserver_timeline tf::TFProfObserverclear tf::TFProfObserverdump tf::TFProfObserverdump tf::TFProfObserverExecutor tf::TFProfObservernum_tasks tf::TFProfObservernum_workers tf::TFProfObserveron_entry tf::TFProfObserveron_exit tf::TFProfObserverset_up tf::TFProfObserversummary tf::TFProfObserversummary tf::TFProfObserverTFProfManager tf::TFProfObserver~ObserverInterface