1 2 /* vmmeter.h 4.6 04/24/81 */ 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 104