firmware/export/profile.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Profiling routines counts ticks and calls to each profiled function.
  11  *
  12  * Copyright (C) 2005 by Brandon Low
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  20  * KIND, either express or implied.
  21  ****************************************************************************/
  22
  23 #ifndef _SYS_PROFILE_H
  24 #define _SYS_PROFILE_H
  25
  26 /* Initialize and start profiling */
  27 void profstart(int current_thread)
  28   NO_PROF_ATTR;
  29
  30 /* Clean up and write profile data */
  31 void profstop (void)
  32   NO_PROF_ATTR;
  33
  34 /* Called every time a thread stops, we check if it's our thread and store
  35  * temporary timing data if it is */
  36 void profile_thread_stopped(int current_thread)
  37   NO_PROF_ATTR;
  38 /* Called when a thread starts, we check if it's our thread and resume timing */
  39 void profile_thread_started(int current_thread)
  40   NO_PROF_ATTR;
  41
  42 void __cyg_profile_func_exit(void *this_fn, void *call_site)
  43   NO_PROF_ATTR ICODE_ATTR;
  44 void __cyg_profile_func_enter(void *this_fn, void *call_site)
  45   NO_PROF_ATTR ICODE_ATTR;
  46
  47 #endif /*_SYS_PROFILE_H*/