pfs_metrics_service_imp.h

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/* Copyright (c) 2022, 2024, Oracle and/or its affiliates.
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.
 
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef MYSQL_SERVER_METRICS_INSTRUMENT_SERVICE_IMP_H
#define MYSQL_SERVER_METRICS_INSTRUMENT_SERVICE_IMP_H
 
#include <mysql/components/services/psi_metric_service.h>
#include <mysql/plugin.h>
 
/**
  @file storage/perfschema/pfs_metrics_service_imp.h
  The performance schema implementation of server metrics instrument service.
*/
extern SERVICE_TYPE(psi_metric_v1)
    SERVICE_IMPLEMENTATION(performance_schema, psi_metric_v1);
 
void initialize_mysql_server_metrics_instrument_service();
void cleanup_mysql_server_metrics_instrument_service();
 
void pfs_register_meters_v1(PSI_meter_info_v1 *info, size_t count);
void pfs_unregister_meters_v1(PSI_meter_info_v1 *info, size_t count);
void pfs_register_change_notification_v1(
    meter_registration_changes_v1_t callback);
void pfs_unregister_change_notification_v1(
    meter_registration_changes_v1_t callback);
void pfs_send_change_notification_v1(const char *meter, MeterNotifyType change);
 
#endif /* MYSQL_SERVER_METRICS_INSTRUMENT_SERVICE_IMP_H */