1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 22 /* All Rights Reserved */ 23 24 25 /* 26 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 /* 31 * Copyright 2026 Oxide Computer Company 32 */ 33 34 #ifndef _SYS_SYSINFO_H 35 #define _SYS_SYSINFO_H 36 37 #include <sys/types.h> 38 #include <sys/t_lock.h> 39 #include <sys/kstat.h> 40 #include <sys/machlock.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* 47 * System Information. 48 */ 49 #define CPU_IDLE 0 50 #define CPU_USER 1 51 #define CPU_KERNEL 2 52 #define CPU_WAIT 3 53 #define CPU_STATES 4 54 55 #define W_IO 0 56 #define W_SWAP 1 57 #define W_PIO 2 58 #define W_STATES 3 59 60 typedef struct cpu_sysinfo { 61 uint_t cpu[CPU_STATES]; /* CPU utilization */ 62 uint_t wait[W_STATES]; /* CPU wait time breakdown */ 63 /* 64 * The two stats lwrite and bwrite are used by sar(1) to 65 * generate the write cache hit percentage (%wcache value). 66 * 67 * The value is calculated as follows (unless lwrite < 0.5 and 68 * then %wcache is coded to 100%): 69 * 70 * (lwrite - bwrite)/lwrite * 100.0 71 * 72 * This calculation assumes that when a physical write occurs 73 * (bwrite incremented), that a logical write (lwrite 74 * incremented) has also occured. Note that a logical write 75 * (lwrite incremented) my occur on its own. 76 * 77 * Similar for lread/bread and %rcache. 78 */ 79 uint_t bread; /* physical block reads */ 80 uint_t bwrite; /* physical block writes (sync+async) */ 81 uint_t lread; /* logical block reads */ 82 uint_t lwrite; /* logical block writes */ 83 uint_t phread; /* raw I/O reads */ 84 uint_t phwrite; /* raw I/O writes */ 85 uint_t pswitch; /* context switches */ 86 uint_t trap; /* traps */ 87 uint_t intr; /* device interrupts */ 88 uint_t syscall; /* system calls */ 89 uint_t sysread; /* read() + readv() system calls */ 90 uint_t syswrite; /* write() + writev() system calls */ 91 uint_t sysfork; /* forks */ 92 uint_t sysvfork; /* vforks */ 93 uint_t sysexec; /* execs */ 94 uint_t readch; /* bytes read by rdwr() */ 95 uint_t writech; /* bytes written by rdwr() */ 96 uint_t rcvint; /* XXX: UNUSED */ 97 uint_t xmtint; /* XXX: UNUSED */ 98 uint_t mdmint; /* XXX: UNUSED */ 99 uint_t rawch; /* terminal input characters */ 100 uint_t canch; /* chars handled in canonical mode */ 101 uint_t outch; /* terminal output characters */ 102 uint_t msg; /* msg count (msgrcv()+msgsnd() calls) */ 103 uint_t sema; /* semaphore ops count (semop() calls) */ 104 uint_t namei; /* pathname lookups */ 105 uint_t ufsiget; /* ufs_iget() calls */ 106 uint_t ufsdirblk; /* directory blocks read */ 107 uint_t ufsipage; /* inodes taken with attached pages */ 108 uint_t ufsinopage; /* inodes taked with no attached pages */ 109 uint_t inodeovf; /* inode table overflows */ 110 uint_t fileovf; /* file table overflows */ 111 uint_t procovf; /* proc table overflows */ 112 uint_t intrthread; /* interrupts as threads (below clock) */ 113 uint_t intrblk; /* intrs blkd/prempted/released (swtch) */ 114 uint_t idlethread; /* times idle thread scheduled */ 115 uint_t inv_swtch; /* involuntary context switches */ 116 uint_t nthreads; /* thread_create()s */ 117 uint_t cpumigrate; /* cpu migrations by threads */ 118 uint_t xcalls; /* xcalls to other cpus */ 119 uint_t mutex_adenters; /* failed mutex enters (adaptive) */ 120 uint_t rw_rdfails; /* rw reader failures */ 121 uint_t rw_wrfails; /* rw writer failures */ 122 uint_t modload; /* times loadable module loaded */ 123 uint_t modunload; /* times loadable module unloaded */ 124 uint_t bawrite; /* physical block writes (async) */ 125 /* Following are gathered only under #ifdef STATISTICS in source */ 126 uint_t rw_enters; /* tries to acquire rw lock */ 127 uint_t win_uo_cnt; /* reg window user overflows */ 128 uint_t win_uu_cnt; /* reg window user underflows */ 129 uint_t win_so_cnt; /* reg window system overflows */ 130 uint_t win_su_cnt; /* reg window system underflows */ 131 uint_t win_suo_cnt; /* reg window system user overflows */ 132 } cpu_sysinfo_t; 133 134 typedef struct sysinfo { /* (update freq) update action */ 135 uint_t updates; /* (1 sec) ++ */ 136 uint_t runque; /* (1 sec) += num runnable procs */ 137 uint_t runocc; /* (1 sec) ++ if num runnable procs > 0 */ 138 uint_t swpque; /* (1 sec) += num swapped procs */ 139 uint_t swpocc; /* (1 sec) ++ if num swapped procs > 0 */ 140 uint_t waiting; /* (1 sec) += jobs waiting for I/O */ 141 } sysinfo_t; 142 143 typedef struct cpu_syswait { 144 int iowait; /* procs waiting for block I/O */ 145 int swap; /* XXX: UNUSED */ 146 int physio; /* XXX: UNUSED */ 147 } cpu_syswait_t; 148 149 typedef struct cpu_vminfo { 150 uint_t pgrec; /* page reclaims (includes pageout) */ 151 uint_t pgfrec; /* page reclaims from free list */ 152 uint_t pgin; /* pageins */ 153 uint_t pgpgin; /* pages paged in */ 154 uint_t pgout; /* pageouts */ 155 uint_t pgpgout; /* pages paged out */ 156 uint_t swapin; /* swapins */ 157 uint_t pgswapin; /* pages swapped in */ 158 uint_t swapout; /* swapouts */ 159 uint_t pgswapout; /* pages swapped out */ 160 uint_t zfod; /* pages zero filled on demand */ 161 uint_t dfree; /* pages freed by daemon or auto */ 162 uint_t scan; /* pages examined by pageout daemon */ 163 uint_t rev; /* revolutions of the page daemon hand */ 164 uint_t hat_fault; /* minor page faults via hat_fault() */ 165 uint_t as_fault; /* minor page faults via as_fault() */ 166 uint_t maj_fault; /* major page faults */ 167 uint_t cow_fault; /* copy-on-write faults */ 168 uint_t prot_fault; /* protection faults */ 169 uint_t softlock; /* faults due to software locking req */ 170 uint_t kernel_asflt; /* as_fault()s in kernel addr space */ 171 uint_t pgrrun; /* times pager scheduled */ 172 uint_t execpgin; /* executable pages paged in */ 173 uint_t execpgout; /* executable pages paged out */ 174 uint_t execfree; /* executable pages freed */ 175 uint_t anonpgin; /* anon pages paged in */ 176 uint_t anonpgout; /* anon pages paged out */ 177 uint_t anonfree; /* anon pages freed */ 178 uint_t fspgin; /* fs pages paged in */ 179 uint_t fspgout; /* fs pages paged out */ 180 uint_t fsfree; /* fs pages free */ 181 } cpu_vminfo_t; 182 183 typedef struct vminfo { /* (update freq) update action */ 184 uint64_t freemem; /* (1 sec) += freemem in pages */ 185 uint64_t swap_resv; /* (1 sec) += reserved swap in pages */ 186 uint64_t swap_alloc; /* (1 sec) += allocated swap in pages */ 187 uint64_t swap_avail; /* (1 sec) += unreserved swap in pages */ 188 uint64_t swap_free; /* (1 sec) += unallocated swap in pages */ 189 uint64_t updates; /* (1 sec) ++ */ 190 } vminfo_t; 191 192 typedef struct cpu_stat { 193 uint_t __cpu_stat_lock[2]; /* 32-bit kstat compat. */ 194 cpu_sysinfo_t cpu_sysinfo; 195 cpu_syswait_t cpu_syswait; 196 cpu_vminfo_t cpu_vminfo; 197 } cpu_stat_t; 198 199 typedef struct cpu_sys_stats { 200 uint64_t cpu_ticks_idle; /* CPU utilization */ 201 uint64_t cpu_ticks_user; 202 uint64_t cpu_ticks_kernel; 203 uint64_t cpu_ticks_wait; 204 uint64_t wait_ticks_io; /* CPU wait time breakdown */ 205 uint64_t bread; /* physical block reads */ 206 uint64_t bwrite; /* physical block writes (sync+async) */ 207 uint64_t lread; /* logical block reads */ 208 uint64_t lwrite; /* logical block writes */ 209 uint64_t phread; /* raw I/O Reads */ 210 uint64_t phwrite; /* raw I/O writes */ 211 uint64_t pswitch; /* context switches */ 212 uint64_t trap; /* traps */ 213 uint64_t intr[PIL_MAX]; /* device interrupts per PIL */ 214 uint64_t syscall; /* system calls */ 215 uint64_t sysread; /* read() + readv() system calls */ 216 uint64_t syswrite; /* write() + writev() system calls */ 217 uint64_t sysfork; /* forks */ 218 uint64_t sysvfork; /* vforks */ 219 uint64_t sysexec; /* execs */ 220 uint64_t sysspawn; /* spawns */ 221 uint64_t readch; /* bytes read by rdwr() */ 222 uint64_t writech; /* bytes written by rdwr() */ 223 uint64_t rcvint; /* XXX: unused (mostly) */ 224 uint64_t xmtint; /* XXX: unused */ 225 uint64_t mdmint; /* XXX: unused */ 226 uint64_t rawch; /* terminal input characters */ 227 uint64_t canch; /* chars handled in canonical mode */ 228 uint64_t outch; /* terminal output characters */ 229 uint64_t msg; /* msg count (msgrcv() + msgsnd()) */ 230 uint64_t sema; /* semaphore ops count (semop()) */ 231 uint64_t namei; /* pathname lookups */ 232 uint64_t ufsiget; /* ufs_iget() calls */ 233 uint64_t ufsdirblk; /* directory blocks read */ 234 uint64_t ufsipage; /* inodes taken with attached pages */ 235 uint64_t ufsinopage; /* inodes taken with no attached pgs */ 236 uint64_t procovf; /* failed forks */ 237 uint64_t intrblk; /* ints blkd/prempted/rel'd (swtch) */ 238 uint64_t intrunpin; /* intr thread unpins pinned thread */ 239 uint64_t idlethread; /* times idle thread scheduled */ 240 uint64_t inv_swtch; /* involuntary context switches */ 241 uint64_t nthreads; /* thread_create()s */ 242 uint64_t cpumigrate; /* cpu migrations by threads */ 243 uint64_t xcalls; /* xcalls to other cpus */ 244 uint64_t mutex_adenters; /* failed mutex enters (adaptive) */ 245 uint64_t rw_rdfails; /* rw reader failures */ 246 uint64_t rw_wrfails; /* rw writer failures */ 247 uint64_t modload; /* times loadable module loaded */ 248 uint64_t modunload; /* times loadable module unloaded */ 249 uint64_t bawrite; /* physical block writes (async) */ 250 uint64_t iowait; /* count of waiters for block I/O */ 251 } cpu_sys_stats_t; 252 253 typedef struct cpu_vm_stats { 254 uint64_t pgrec; /* page reclaims (includes pageout) */ 255 uint64_t pgfrec; /* page reclaims from free list */ 256 uint64_t pgin; /* pageins */ 257 uint64_t pgpgin; /* pages paged in */ 258 uint64_t pgout; /* pageouts */ 259 uint64_t pgpgout; /* pages paged out */ 260 uint64_t swapin; /* swapins */ 261 uint64_t pgswapin; /* pages swapped in */ 262 uint64_t swapout; /* swapouts */ 263 uint64_t pgswapout; /* pages swapped out */ 264 uint64_t zfod; /* pages zero filled on demand */ 265 uint64_t dfree; /* pages freed by daemon or auto */ 266 uint64_t scan; /* pages examined by pageout daemon */ 267 uint64_t rev; /* revolutions of page daemon hand */ 268 uint64_t hat_fault; /* minor page faults via hat_fault() */ 269 uint64_t as_fault; /* minor page faults via as_fault() */ 270 uint64_t maj_fault; /* major page faults */ 271 uint64_t cow_fault; /* copy-on-write faults */ 272 uint64_t prot_fault; /* protection faults */ 273 uint64_t softlock; /* faults due to software locking req */ 274 uint64_t kernel_asflt; /* as_fault()s in kernel addr space */ 275 uint64_t pgrrun; /* times pager scheduled */ 276 uint64_t execpgin; /* executable pages paged in */ 277 uint64_t execpgout; /* executable pages paged out */ 278 uint64_t execfree; /* executable pages freed */ 279 uint64_t anonpgin; /* anon pages paged in */ 280 uint64_t anonpgout; /* anon pages paged out */ 281 uint64_t anonfree; /* anon pages freed */ 282 uint64_t fspgin; /* fs pages paged in */ 283 uint64_t fspgout; /* fs pages paged out */ 284 uint64_t fsfree; /* fs pages free */ 285 } cpu_vm_stats_t; 286 287 typedef struct cpu_stats { 288 cpu_sys_stats_t sys; 289 cpu_vm_stats_t vm; 290 } cpu_stats_t; 291 292 #ifdef __cplusplus 293 } 294 #endif 295 296 #endif /* _SYS_SYSINFO_H */ 297