/*
  *  OpenVPN -- An application to securely tunnel IP networks
  *             over a single TCP/UDP port, with support for SSL/TLS-based
  *             session authentication and key exchange,
  *             packet encryption, packet authentication, and
  *             packet compression.
  *

  *  Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>

  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2
  *  as published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *

  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, write to the Free Software Foundation, Inc.,
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  */
 
 /*
  * The interval_ routines are designed to optimize the calling of a routine
  * (normally tls_multi_process()) which can be called less frequently
  * between triggers.
  */
 
 #ifndef PERF_H
 #define PERF_H
 
 /*#define ENABLE_PERFORMANCE_METRICS*/
 
 /*
  * Metrics
  */
 #define PERF_BIO_READ_PLAINTEXT     0
 #define PERF_BIO_WRITE_PLAINTEXT    1
 #define PERF_BIO_READ_CIPHERTEXT    2
 #define PERF_BIO_WRITE_CIPHERTEXT   3
 #define PERF_TLS_MULTI_PROCESS      4
 #define PERF_IO_WAIT                5
 #define PERF_EVENT_LOOP             6
 #define PERF_MULTI_CREATE_INSTANCE  7
 #define PERF_MULTI_CLOSE_INSTANCE   8
 #define PERF_MULTI_SHOW_STATS       9
 #define PERF_MULTI_BCAST            10
 #define PERF_MULTI_MCAST            11
 #define PERF_SCRIPT                 12
 #define PERF_READ_IN_LINK           13
 #define PERF_PROC_IN_LINK           14
 #define PERF_READ_IN_TUN            15
 #define PERF_PROC_IN_TUN            16
 #define PERF_PROC_OUT_LINK          17
 #define PERF_PROC_OUT_TUN           18
 #define PERF_PROC_OUT_TUN_MTCP      19
 #define PERF_N                      20
 
 #ifdef ENABLE_PERFORMANCE_METRICS
 
 #include "basic.h"
 
 /*
  * Stack size
  */
 #define STACK_N               64
 

 void perf_push(int type);

 void perf_pop(void);

 void perf_output_results(void);

 #else  /* ifdef ENABLE_PERFORMANCE_METRICS */

 static inline void

 perf_push(int type)
 {

 }
 static inline void

 perf_pop(void)
 {

 }
 static inline void

 perf_output_results(void)
 {

 }
 
 #endif /* ifdef ENABLE_PERFORMANCE_METRICS */
 
 #endif /* ifndef PERF_H */