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@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
46extern int         dmxStatInterval; /**< Only for dmxstat.c and dmxsync.c */
47extern void        dmxStatActivate(const char *interval, const char *displays);
48extern DMXStatInfo *dmxStatAlloc(void);
49extern void        dmxStatFree(DMXStatInfo *);
50extern void        dmxStatInit(void);
51extern void        dmxStatSync(DMXScreenInfo *dmxScreen,
52                               struct timeval *stop, struct timeval *start,
53                               unsigned long pending);
54
55#endif
56