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1.1 root 1: /*-
2: * Copyright (c) 1982, 1986 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * @(#)vmmeter.h 7.3 (Berkeley) 5/5/91
34: */
35:
36: /*
37: * Virtual memory related instrumentation
38: */
39: struct vmmeter
40: {
41: #define v_first v_swtch
42: unsigned v_swtch; /* context switches */
43: unsigned v_trap; /* calls to trap */
44: unsigned v_syscall; /* calls to syscall() */
45: unsigned v_intr; /* device interrupts */
46: unsigned v_soft; /* software interrupts */
47: unsigned v_pdma; /* pseudo-dma interrupts */
48: unsigned v_pswpin; /* pages swapped in */
49: unsigned v_pswpout; /* pages swapped out */
50: unsigned v_pgin; /* pageins */
51: unsigned v_pgout; /* pageouts */
52: unsigned v_pgpgin; /* pages paged in */
53: unsigned v_pgpgout; /* pages paged out */
54: unsigned v_intrans; /* intransit blocking page faults */
55: unsigned v_pgrec; /* total page reclaims */
56: unsigned v_xsfrec; /* found in free list rather than on swapdev */
57: unsigned v_xifrec; /* found in free list rather than in filsys */
58: unsigned v_exfod; /* pages filled on demand from executables */
59: unsigned v_zfod; /* pages zero filled on demand */
60: unsigned v_vrfod; /* fills of pages mapped by vread() */
61: unsigned v_nexfod; /* number of exfod's created */
62: unsigned v_nzfod; /* number of zfod's created */
63: unsigned v_nvrfod; /* number of vrfod's created */
64: unsigned v_pgfrec; /* page reclaims from free list */
65: unsigned v_faults; /* total faults taken */
66: unsigned v_scan; /* scans in page out daemon */
67: unsigned v_rev; /* revolutions of the hand */
68: unsigned v_seqfree; /* pages taken from sequential programs */
69: unsigned v_dfree; /* pages freed by daemon */
70: unsigned v_fastpgrec; /* fast reclaims in locore */
71: #ifdef tahoe
72: unsigned v_fpe; /* floating point emulation traps */
73: unsigned v_align; /* alignment emulation traps */
74: #endif
75: #define v_last v_fastpgrec
76: unsigned v_swpin; /* swapins */
77: unsigned v_swpout; /* swapouts */
78: };
79: #ifdef KERNEL
80: struct vmmeter cnt, rate, sum;
81: #endif
82:
83: /* systemwide totals computed every five seconds */
84: struct vmtotal
85: {
86: short t_rq; /* length of the run queue */
87: short t_dw; /* jobs in ``disk wait'' (neg priority) */
88: short t_pw; /* jobs in page wait */
89: short t_sl; /* jobs sleeping in core */
90: short t_sw; /* swapped out runnable/short block jobs */
91: long t_vm; /* total virtual memory */
92: long t_avm; /* active virtual memory */
93: long t_rm; /* total real memory in use */
94: long t_arm; /* active real memory */
95: long t_vmtxt; /* virtual memory used by text */
96: long t_avmtxt; /* active virtual memory used by text */
97: long t_rmtxt; /* real memory used by text */
98: long t_armtxt; /* active real memory used by text */
99: long t_free; /* free memory pages */
100: };
101: #ifdef KERNEL
102: struct vmtotal total;
103: #endif
104:
105: /*
106: * Optional instrumentation.
107: */
108: #ifdef PGINPROF
109:
110: #define NDMON 128
111: #define NSMON 128
112:
113: #define DRES 20
114: #define SRES 5
115:
116: #define PMONMIN 20
117: #define PRES 50
118: #define NPMON 64
119:
120: #define RMONMIN 130
121: #define RRES 5
122: #define NRMON 64
123:
124: /* data and stack size distribution counters */
125: unsigned int dmon[NDMON+1];
126: unsigned int smon[NSMON+1];
127:
128: /* page in time distribution counters */
129: unsigned int pmon[NPMON+2];
130:
131: /* reclaim time distribution counters */
132: unsigned int rmon[NRMON+2];
133:
134: int pmonmin;
135: int pres;
136: int rmonmin;
137: int rres;
138:
139: unsigned rectime; /* accumulator for reclaim times */
140: unsigned pgintime; /* accumulator for page in times */
141: #endif
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