pfs_metric_provider.h

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/* Copyright (c) 2023, 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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  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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  You should have received a copy of the GNU General Public License
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#ifndef PFS_METRIC_PROVIDER_H
#define PFS_METRIC_PROVIDER_H
 
/**
  @file include/pfs_metric_provider.h
  Performance schema instrumentation (declarations).
*/
 
/* HAVE_PSI_*_INTERFACE */
#include "my_psi_config.h"  // IWYU pragma: keep
 
#ifdef HAVE_PSI_METRICS_INTERFACE
#if defined(MYSQL_SERVER) || defined(PFS_DIRECT_CALL)
#ifndef MYSQL_DYNAMIC_PLUGIN
 
#include "my_macros.h"
#include "mysql/psi/psi_metric.h"
 
#define PSI_METRIC_CALL(M) pfs_##M##_v1
 
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_DYNAMIC_PLUGIN */
#endif /* MYSQL_SERVER || PFS_DIRECT_CALL */
#endif /* HAVE_PSI_METRICS_INTERFACE */
 
#endif