thread_pool_psi.h

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#ifndef MYSQL_SCHEDULER_THREAD_POOL_PSI_H
#define MYSQL_SCHEDULER_THREAD_POOL_PSI_H
 
#include "mysql/allocators/memory_resource.h"
#include "mysql/concurrency/condition_variable.h"
#include "mysql/concurrency/mutex.h"
#include "mysql/concurrency/thread.h"
 
namespace mysql::scheduler {
 
/// @brief Thread_pool instrumentation parameters, packed into this
/// structure to simplify construction of a Thread_pool class instance and
/// prevent mistakes when passing a lot of integer parameters into the
/// class constructor
struct Thread_pool_psi {
  /// thread: worker thread key
  concurrency::Thread_key key_thread_worker{0};
  /// stage: waiting for work
  concurrency::Stage_key key_stage_waiting{0};
  /// stage: executing task
  concurrency::Stage_key key_stage_executing{0};
  /// stage: thread stopped
  concurrency::Stage_key key_stage_stopped{0};
  /// memory: memory instrumentation object (thread pool queue)
  allocators::Memory_resource memory_resource{};
};
 
}  // namespace mysql::scheduler
 
#endif  // MYSQL_SCHEDULER_THREAD_POOL_PSI_H