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      1 /*
      2  * Copyright 2002 Red Hat Inc., Durham, North Carolina.
      3  *
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining
      7  * a copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation on the rights to use, copy, modify, merge,
     10  * publish, distribute, sublicense, and/or sell copies of the Software,
     11  * and to permit persons to whom the Software is furnished to do so,
     12  * subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial
     16  * portions of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
     22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     25  * SOFTWARE.
     26  */
     27 
     28 /*
     29  * Authors:
     30  *   Rickard E. (Rik) Faith <faith (at) redhat.com>
     31  *
     32  */
     33 
     34 /** \file
     35  * Interface for statistic gathering interface. \see dmxstat.c */
     36 
     37 #ifndef _DMXSTAT_H_
     38 #define _DMXSTAT_H_
     39 
     40 #define DMX_STAT_LENGTH     10  /**< number of events for moving average */
     41 #define DMX_STAT_INTERVAL 1000  /**< msec between printouts */
     42 #define DMX_STAT_BINS        3  /**< number of bins */
     43 #define DMX_STAT_BIN0    10000  /**< us for bin[0] */
     44 #define DMX_STAT_BINMULT   100  /**< multiplier for next bin[] */
     45 
     46 extern int         dmxStatInterval; /**< Only for dmxstat.c and dmxsync.c */
     47 extern void        dmxStatActivate(const char *interval, const char *displays);
     48 extern DMXStatInfo *dmxStatAlloc(void);
     49 extern void        dmxStatFree(DMXStatInfo *);
     50 extern void        dmxStatInit(void);
     51 extern void        dmxStatSync(DMXScreenInfo *dmxScreen,
     52                                struct timeval *stop, struct timeval *start,
     53                                unsigned long pending);
     54 
     55 #endif
     56