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1.1 root 1: /*
2: * Copyright (c) 1982, 1986 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)vmmeter.h 7.1 (Berkeley) 6/4/86
7: */
8:
9: /*
10: * Virtual memory related instrumentation
11: */
12: struct vmmeter
13: {
14: #define v_first v_swtch
15: unsigned v_swtch; /* context switches */
16: unsigned v_trap; /* calls to trap */
17: unsigned v_syscall; /* calls to syscall() */
18: unsigned v_intr; /* device interrupts */
19: unsigned v_soft; /* software interrupts */
20: unsigned v_pdma; /* pseudo-dma interrupts */
21: unsigned v_pswpin; /* pages swapped in */
22: unsigned v_pswpout; /* pages swapped out */
23: unsigned v_pgin; /* pageins */
24: unsigned v_pgout; /* pageouts */
25: unsigned v_pgpgin; /* pages paged in */
26: unsigned v_pgpgout; /* pages paged out */
27: unsigned v_intrans; /* intransit blocking page faults */
28: unsigned v_pgrec; /* total page reclaims */
29: unsigned v_xsfrec; /* found in free list rather than on swapdev */
30: unsigned v_xifrec; /* found in free list rather than in filsys */
31: unsigned v_exfod; /* pages filled on demand from executables */
32: unsigned v_zfod; /* pages zero filled on demand */
33: unsigned v_vrfod; /* fills of pages mapped by vread() */
34: unsigned v_nexfod; /* number of exfod's created */
35: unsigned v_nzfod; /* number of zfod's created */
36: unsigned v_nvrfod; /* number of vrfod's created */
37: unsigned v_pgfrec; /* page reclaims from free list */
38: unsigned v_faults; /* total faults taken */
39: unsigned v_scan; /* scans in page out daemon */
40: unsigned v_rev; /* revolutions of the hand */
41: unsigned v_seqfree; /* pages taken from sequential programs */
42: unsigned v_dfree; /* pages freed by daemon */
43: unsigned v_fastpgrec; /* fast reclaims in locore */
44: #define v_last v_fastpgrec
45: unsigned v_swpin; /* swapins */
46: unsigned v_swpout; /* swapouts */
47: };
48: #ifdef KERNEL
49: struct vmmeter cnt, rate, sum;
50: #endif
51:
52: /* systemwide totals computed every five seconds */
53: struct vmtotal
54: {
55: short t_rq; /* length of the run queue */
56: short t_dw; /* jobs in ``disk wait'' (neg priority) */
57: short t_pw; /* jobs in page wait */
58: short t_sl; /* jobs sleeping in core */
59: short t_sw; /* swapped out runnable/short block jobs */
60: long t_vm; /* total virtual memory */
61: long t_avm; /* active virtual memory */
62: long t_rm; /* total real memory in use */
63: long t_arm; /* active real memory */
64: long t_vmtxt; /* virtual memory used by text */
65: long t_avmtxt; /* active virtual memory used by text */
66: long t_rmtxt; /* real memory used by text */
67: long t_armtxt; /* active real memory used by text */
68: long t_free; /* free memory pages */
69: };
70: #ifdef KERNEL
71: struct vmtotal total;
72: #endif
73:
74: /*
75: * Optional instrumentation.
76: */
77: #ifdef PGINPROF
78:
79: #define NDMON 128
80: #define NSMON 128
81:
82: #define DRES 20
83: #define SRES 5
84:
85: #define PMONMIN 20
86: #define PRES 50
87: #define NPMON 64
88:
89: #define RMONMIN 130
90: #define RRES 5
91: #define NRMON 64
92:
93: /* data and stack size distribution counters */
94: unsigned int dmon[NDMON+1];
95: unsigned int smon[NSMON+1];
96:
97: /* page in time distribution counters */
98: unsigned int pmon[NPMON+2];
99:
100: /* reclaim time distribution counters */
101: unsigned int rmon[NRMON+2];
102:
103: int pmonmin;
104: int pres;
105: int rmonmin;
106: int rres;
107:
108: unsigned rectime; /* accumulator for reclaim times */
109: unsigned pgintime; /* accumulator for page in times */
110: #endif
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