usr/src/uts/common/sys/sysinfo.h

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