sys/sys/kinfo.h

   1 /*
   2  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Joerg Sonnenberger <joerg@bec.de>.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/sys/kinfo.h,v 1.13 2007/02/18 16:17:09 corecode Exp $
  35  */
  36
  37 #ifndef _SYS_KINFO_H_
  38 #define _SYS_KINFO_H_
  39
  40 #ifndef _SYS_TYPES_H_
  41 #include <sys/types.h>
  42 #endif
  43 #ifndef _SYS_PARAM_H_
  44 #include <sys/param.h>
  45 #endif
  46 #include <sys/resource.h>
  47 #include <sys/rtprio.h>
  48 #ifndef _KERNEL_STRUCTURES
  49 #define _KERNEL_STRUCTURES
  50 #endif
  51 #include <sys/proc.h>
  52
  53 struct kinfo_file {
  54         size_t   f_size;        /* size of struct kinfo_file */
  55         pid_t    f_pid;         /* owning process */
  56         uid_t    f_uid;         /* effective uid of owning process */
  57         int      f_fd;          /* descriptor number */
  58         void    *f_file;        /* address of struct file */
  59         short    f_type;        /* descriptor type */
  60         int      f_count;       /* reference count */
  61         int      f_msgcount;    /* references from message queue */
  62         off_t    f_offset;      /* file offset */
  63         void    *f_data;        /* file descriptor specific data */
  64         u_int    f_flag;        /* flags (see fcntl.h) */
  65 };
  66
  67 /*
  68  * CPU time statistics
  69  */
  70 struct kinfo_cputime {
  71         uint64_t        cp_user;
  72         uint64_t        cp_nice;
  73         uint64_t        cp_sys;
  74         uint64_t        cp_intr;
  75         uint64_t        cp_idle;
  76 };
  77
  78 /*
  79  * CPU system/interrupt program counter sampler
  80  */
  81 #define PCTRACK_ARYSIZE 32      /* must be a power of 2 */
  82 #define PCTRACK_ARYMASK (PCTRACK_ARYSIZE - 1)
  83
  84 struct kinfo_pcheader {
  85         int             pc_ntrack;      /* number of tracks per cpu (2) */
  86         int             pc_arysize;     /* size of storage array (32) */
  87 };
  88
  89 struct kinfo_pctrack {
  90         int             pc_index;
  91         void            *pc_array[PCTRACK_ARYSIZE];
  92 };
  93
  94 #define PCTRACK_SYS     0
  95 #define PCTRACK_INT     1
  96 #define PCTRACK_SIZE    2
  97
  98 struct kinfo_clockinfo {
  99         int     ci_hz;          /* clock frequency */
 100         int     ci_tick;        /* micro-seconds per hz tick */
 101         int     ci_tickadj;     /* clock skew rate for adjtime() */
 102         int     ci_stathz;      /* statistics clock frequency */
 103         int     ci_profhz;      /* profiling clock frequency */
 104 };
 105
 106 /*
 107  * Structure definition for the lwp-specific data in struct kinfo_proc.
 108  */
 109 struct kinfo_lwp {
 110         pid_t           kl_pid;         /* PID of our associated proc */
 111         lwpid_t         kl_tid;         /* thread id */
 112
 113         int             kl_flags;       /* LWP_ flags */
 114         enum lwpstat    kl_stat;        /* LS* lwp status */
 115         int             kl_lock;        /* lwp lock (prevent destruct) count */
 116         int             kl_tdflags;     /* thread flags */
 117         int             kl_mpcount;     /* MP lock held count */
 118         int             kl_prio;        /* scheduling priority */
 119         int             kl_tdprio;      /* lwkt sched priority */
 120         struct rtprio   kl_rtprio;      /* real-time scheduling prio */
 121
 122         /* accounting */
 123         uint64_t        kl_uticks;      /* time accounting */
 124         uint64_t        kl_sticks;
 125         uint64_t        kl_iticks;
 126         uint64_t        kl_cpticks;     /* sched quantums used */
 127         u_int           kl_pctcpu;      /* percentage cputime */
 128         u_int           kl_slptime;     /* time since last blocked */
 129         int             kl_origcpu;     /* originally scheduled on cpu */
 130         int             kl_estcpu;
 131         int             kl_cpuid;       /* CPU this lwp was last scheduled on */
 132
 133         struct rusage   kl_ru;          /* resource usage stats */
 134
 135         sigset_t        kl_siglist;     /* pending signals */
 136         sigset_t        kl_sigmask;     /* masked signals */
 137 #define WMESGLEN 7
 138         uintptr_t       kl_wchan;       /* waiting channel */
 139         char            kl_wmesg[WMESGLEN+1];   /* waiting message */
 140 };
 141
 142 /*
 143  * KERN_PROC subtype ops return arrays of normalized proc structures:
 144  */
 145 struct kinfo_proc {
 146         uintptr_t       kp_paddr;       /* address of this proc */
 147
 148         /* proc information */
 149         int             kp_flags;
 150         enum procstat   kp_stat;
 151         int             kp_lock;
 152         int             kp_acflag;      /* accounting flags */
 153         int             kp_traceflag;
 154
 155         uintptr_t       kp_fd;          /* address of the proc's files */
 156
 157         sigset_t        kp_siglist;
 158         sigset_t        kp_sigignore;
 159         sigset_t        kp_sigcatch;
 160         int             kp_sigflag;     /* from ps_flag */
 161         struct timeval  kp_start;
 162
 163         char            kp_comm[MAXCOMLEN+1];
 164
 165         /* cred information */
 166         uid_t           kp_uid;
 167         short           kp_ngroups;
 168         gid_t           kp_groups[NGROUPS];
 169         uid_t           kp_ruid;
 170         uid_t           kp_svuid;
 171         gid_t           kp_rgid;
 172         gid_t           kp_svgid;
 173
 174         pid_t           kp_pid; /* process id */
 175         pid_t           kp_ppid;        /* parent process id */
 176         pid_t           kp_pgid;        /* process group id */
 177         int             kp_jobc;        /* job control counter */
 178         pid_t           kp_sid; /* session id */
 179         char            kp_login[roundup(MAXLOGNAME, sizeof(long))];    /* setlogin() name */
 180         dev_t           kp_tdev;        /* controlling tty dev */
 181         pid_t           kp_tpgid;       /* tty process group id */
 182         pid_t           kp_tsid;        /* tty session id */
 183
 184         u_short         kp_exitstat;    /* exit status information */
 185         int             kp_nthreads;
 186         int             kp_nice;
 187         unsigned int    kp_swtime;
 188
 189         vm_size_t       kp_vm_map_size; /* vmmap virtual size */
 190         segsz_t         kp_vm_rssize;           /* resident set size */
 191         segsz_t         kp_vm_swrss;            /* rss before last swap */
 192         segsz_t         kp_vm_tsize;            /* text size */
 193         segsz_t         kp_vm_dsize;            /* data size */
 194         segsz_t         kp_vm_ssize;            /* stack size */
 195
 196         int             kp_jailid;
 197
 198         struct rusage   kp_ru;
 199         struct rusage   kp_cru;
 200
 201         int             kp_auxflags;    /* generated flags */
 202 #define KI_CTTY 1
 203 #define KI_SLEADER      2
 204
 205         struct kinfo_lwp kp_lwp;
 206
 207         int             kp_spare[4];
 208 };
 209
 210 struct proc;
 211 struct lwp;
 212 struct thread;
 213
 214 void fill_kinfo_proc(struct proc *, struct kinfo_proc *);
 215 void fill_kinfo_lwp(struct lwp *, struct kinfo_lwp *);
 216 void fill_kinfo_proc_kthread(struct thread *, struct kinfo_proc *);
 217
 218 #define KINFO_NEXT(kp)  ((union kinfo *)((uintptr_t)kp + kp->gen.len))
 219 #define KINFO_END(kp)   (kp->gen.type == KINFO_TYPE_END)
 220
 221 #if defined(_KERNEL)
 222 #ifdef SMP
 223 #define cpu_time        cputime_percpu[mycpuid]
 224 #else
 225 #define cpu_time        cputime_percpu[0]
 226 #endif
 227 #endif
 228
 229 #if defined(_KERNEL)
 230 extern struct kinfo_cputime cputime_percpu[MAXCPU];
 231 #endif
 232
 233 #endif /* !_SYS_KINFO_H_ */