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Annotation of kernel/machdep/i386/event_meter.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Copyright (c) 1987, 1988 NeXT, Inc.
                     27:  *
                     28:  * HISTORY
                     29:  * 28-Sep-88  Avadis Tevanian, Jr. (avie) at NeXT
                     30:  *     Made conditional on eventmeter option.
                     31:  *
                     32:  * 07-Mar-88  John Seamons (jks) at NeXT
                     33:  *     Created.
                     34:  */
                     35: 
                     36: #ifndef        _I386_EM_
                     37: #define        _I386_EM_
                     38: 
                     39: #ifdef KERNEL_BUILD
                     40: #import <eventmeter.h>
                     41: #else  /* KERNEL_BUILD */
                     42: #import <mach/features.h>
                     43: #endif /* KERNEL_BUILD */
                     44: 
                     45: #if    EVENTMETER
                     46: 
                     47: #import <mach/vm_statistics.h>
                     48: #import <bsd/dev/i386/video.h>
                     49: 
                     50: /* key codes */
                     51: #define        EM_KEY_UP       1
                     52: #define        EM_KEY_DOWN     -1
                     53: 
                     54: /* events */
                     55: #define        EM_INTR         6
                     56: #define        EM_DMA          5
                     57: #define EM_DISK                4
                     58: #define        EM_ENET         3
                     59: #define        EM_SYSCALL      2
                     60: #define        EM_PAGER        1
                     61: #define        EM_PAGE_FAULT   0
                     62: 
                     63: /* display geometry */
                     64: #define        EM_L            30
                     65: #define        EM_R            (EM_L + 1026)
                     66: #define        EM_W            1024
                     67: #define        EM_Y_OD         (VIDEO_H + 43)
                     68: #define        EM_Y_SD         (VIDEO_H + 59)
                     69: #define        EM_Y_EVTOP      (VIDEO_H + 25)
                     70: #define        EM_Y_EVBOT      (VIDEO_H + 25 + 15)
                     71: 
                     72: /* states */
                     73: #define        EM_OFF          0
                     74: #define        EM_MISC         1
                     75: #define        EM_VM           2
                     76: #define        EM_NSTATE       2
                     77: 
                     78: /* video "start" values */
                     79: #define        EM_VID_NORM     0x0
                     80: #define        EM_VID_UP       0x1b
                     81: #define        EM_VID_DOWN     0xe5
                     82: 
                     83: /* log graph */
                     84: #define        EM_VMPF         0
                     85: #define        EM_VMPA         1
                     86: #define        EM_VMPI         2
                     87: #define        EM_VMPW         3
                     88: #define        EM_FAULT        4
                     89: #define        EM_PAGEIN       5
                     90: #define        EM_PAGEOUT      6
                     91: #define        EM_NEVENT       7
                     92: 
                     93: /* disk */
                     94: #define        EM_OD           0
                     95: #define        EM_SD           1
                     96: #define        EM_NDISK        2
                     97: #define        EM_READ         0x30000000
                     98: #define        EM_WRITE        0x03000000
                     99: 
                    100: /* vm */
                    101: #define        EM_NVM          3
                    102: 
                    103: /* misc */
                    104: #define        EM_RATE         1               /* update rate 1 sec */
                    105: #define        EM_UPDATE       (hz/EM_RATE)
                    106: 
                    107: struct em {
                    108:        int     state;
                    109:        int     flags;
                    110:        int     event_x;
                    111:        int     last[EM_NEVENT];
                    112:        int     disk_last[EM_NDISK];
                    113:        int     disk_rw[EM_NDISK];
                    114:        vm_statistics_data_t vm_stat;
                    115:        int     pid[EM_NVM];
                    116: } em;
                    117: 
                    118: /* flags */
                    119: #define        EMF_LOCK        0x00000001
                    120: #define        EMF_LEDS        0x00000002
                    121: 
                    122: #define        event_meter(event) \
                    123:        if (em.state == EM_MISC && (em.flags & EMF_LOCK) == 0) { \
                    124:                em.flags |= EMF_LOCK; \
                    125:                event_vline (em.event_x, EM_Y_EVTOP, EM_Y_EVBOT, \
                    126:                        0x44444444 | (3 << (((event) << 2) + 4))); \
                    127:                event_vline (em.event_x + 1, EM_Y_EVTOP, EM_Y_EVBOT, WHITE); \
                    128:                if (++em.event_x > EM_R) \
                    129:                        em.event_x = EM_L; \
                    130:                em.flags &= ~EMF_LOCK; \
                    131:        }
                    132: 
                    133: #else  /* EVENTMETER */
                    134: #define        event_meter(event)
                    135: #endif /* EVENTMETER */
                    136: #endif /* _I386_EM_ */

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