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1.1 root 1:
2: /* vmmeter.h 4.6 4/24/81 */
3:
4: /*
5: * Virtual memory related instrumentation
6: */
7: struct vmmeter
8: {
9: #define v_first v_swtch
10: unsigned v_swtch; /* context switches */
11: unsigned v_trap; /* calls to trap */
12: unsigned v_syscall; /* calls to syscall() */
13: unsigned v_intr; /* device interrupts */
14: unsigned v_pdma; /* pseudo-dma interrupts */
15: unsigned v_pswpin; /* pages swapped in */
16: unsigned v_pswpout; /* pages swapped out */
17: unsigned v_pgin; /* pageins */
18: unsigned v_pgout; /* pageouts */
19: unsigned v_pgpgin; /* pages paged in */
20: unsigned v_pgpgout; /* pages paged out */
21: unsigned v_intrans; /* intransit blocking page faults */
22: unsigned v_pgrec; /* total page reclaims */
23: unsigned v_xsfrec; /* found in free list rather than on swapdev */
24: unsigned v_xifrec; /* found in free list rather than in filsys */
25: unsigned v_exfod; /* pages filled on demand from executables */
26: unsigned v_zfod; /* pages zero filled on demand */
27: unsigned v_vrfod; /* fills of pages mapped by vread() */
28: unsigned v_nexfod; /* number of exfod's created */
29: unsigned v_nzfod; /* number of zfod's created */
30: unsigned v_nvrfod; /* number of vrfod's created */
31: unsigned v_pgfrec; /* page reclaims from free list */
32: unsigned v_faults; /* total faults taken */
33: unsigned v_scan; /* scans in page out daemon */
34: unsigned v_rev; /* revolutions of the hand */
35: unsigned v_seqfree; /* pages taken from sequential programs */
36: unsigned v_dfree; /* pages freed by daemon */
37: #define v_last v_dfree
38: unsigned v_swpin; /* swapins */
39: unsigned v_swpout; /* swapouts */
40: };
41: #ifdef KERNEL
42: struct vmmeter cnt, rate, sum;
43: #endif
44:
45: /* systemwide totals computed every five seconds */
46: struct vmtotal
47: {
48: short t_rq; /* length of the run queue */
49: short t_dw; /* jobs in ``disk wait'' (neg priority) */
50: short t_pw; /* jobs in page wait */
51: short t_sl; /* jobs sleeping in core */
52: short t_sw; /* swapped out runnable/short block jobs */
53: int t_vm; /* total virtual memory */
54: int t_avm; /* active virtual memory */
55: short t_rm; /* total real memory in use */
56: short t_arm; /* active real memory */
57: int t_vmtxt; /* virtual memory used by text */
58: int t_avmtxt; /* active virtual memory used by text */
59: short t_rmtxt; /* real memory used by text */
60: short t_armtxt; /* active real memory used by text */
61: short t_free; /* free memory pages */
62: };
63: #ifdef KERNEL
64: struct vmtotal total;
65: #endif
66:
67: /*
68: * Optional instrumentation.
69: */
70: #ifdef PGINPROF
71:
72: #define NDMON 128
73: #define NSMON 128
74:
75: #define DRES 20
76: #define SRES 5
77:
78: #define PMONMIN 20
79: #define PRES 50
80: #define NPMON 64
81:
82: #define RMONMIN 130
83: #define RRES 5
84: #define NRMON 64
85:
86: /* data and stack size distribution counters */
87: unsigned int dmon[NDMON+1];
88: unsigned int smon[NSMON+1];
89:
90: /* page in time distribution counters */
91: unsigned int pmon[NPMON+2];
92:
93: /* reclaim time distribution counters */
94: unsigned int rmon[NRMON+2];
95:
96: int pmonmin;
97: int pres;
98: int rmonmin;
99: int rres;
100:
101: unsigned rectime; /* accumulator for reclaim times */
102: unsigned pgintime; /* accumulator for page in times */
103: #endif
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