kernel: Make SMP support default (and non-optional).
[dragonfly.git] / sys / sys / kinfo.h
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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.
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33 */
34
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35#ifndef _SYS_KINFO_H_
36#define _SYS_KINFO_H_
7b124c9f 37
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38#ifndef _KERNEL_STRUCTURES
39#define _KERNEL_STRUCTURES
40#endif
41
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42#ifndef _SYS_TYPES_H_
43#include <sys/types.h>
44#endif
45#ifndef _SYS_PARAM_H_
46#include <sys/param.h>
47#endif
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48#include <sys/resource.h>
49#include <sys/rtprio.h>
164b8401 50#include <sys/proc.h>
1bd40720 51
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52struct kinfo_file {
53 size_t f_size; /* size of struct kinfo_file */
54 pid_t f_pid; /* owning process */
55 uid_t f_uid; /* effective uid of owning process */
56 int f_fd; /* descriptor number */
57 void *f_file; /* address of struct file */
58 short f_type; /* descriptor type */
59 int f_count; /* reference count */
60 int f_msgcount; /* references from message queue */
61 off_t f_offset; /* file offset */
62 void *f_data; /* file descriptor specific data */
63 u_int f_flag; /* flags (see fcntl.h) */
64};
65
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66/*
67 * CPU time statistics
68 */
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69struct kinfo_cputime {
70 uint64_t cp_user;
71 uint64_t cp_nice;
72 uint64_t cp_sys;
73 uint64_t cp_intr;
74 uint64_t cp_idle;
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75 uint64_t cp_unused01;
76 uint64_t cp_unused02;
77 uint64_t cp_unused03;
78 uint64_t cp_stallpc; /* code stall address */
79 char cp_msg[32]; /* code stall token or mplock */
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80};
81
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82/*
83 * CPU system/interrupt program counter sampler
84 */
85#define PCTRACK_ARYSIZE 32 /* must be a power of 2 */
86#define PCTRACK_ARYMASK (PCTRACK_ARYSIZE - 1)
87
88struct kinfo_pcheader {
89 int pc_ntrack; /* number of tracks per cpu (2) */
90 int pc_arysize; /* size of storage array (32) */
91};
92
93struct kinfo_pctrack {
94 int pc_index;
95 void *pc_array[PCTRACK_ARYSIZE];
96};
97
98#define PCTRACK_SYS 0
99#define PCTRACK_INT 1
100#define PCTRACK_SIZE 2
101
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102struct kinfo_clockinfo {
103 int ci_hz; /* clock frequency */
104 int ci_tick; /* micro-seconds per hz tick */
105 int ci_tickadj; /* clock skew rate for adjtime() */
106 int ci_stathz; /* statistics clock frequency */
107 int ci_profhz; /* profiling clock frequency */
108};
109
5dfd06ac 110/*
ef02d0e1 111 * Structure definition for the lwp-specific data in struct kinfo_proc.
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112 */
113struct kinfo_lwp {
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114 pid_t kl_pid; /* PID of our associated proc */
115 lwpid_t kl_tid; /* thread id */
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116
117 int kl_flags; /* LWP_ flags */
164b8401 118 enum lwpstat kl_stat; /* LS* lwp status */
cc1d939b 119 int kl_lock; /* lwp lock (prevent destruct) count */
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120 int kl_tdflags; /* thread flags */
121 int kl_mpcount; /* MP lock held count */
122 int kl_prio; /* scheduling priority */
123 int kl_tdprio; /* lwkt sched priority */
124 struct rtprio kl_rtprio; /* real-time scheduling prio */
125
126 /* accounting */
127 uint64_t kl_uticks; /* time accounting */
128 uint64_t kl_sticks;
129 uint64_t kl_iticks;
130 uint64_t kl_cpticks; /* sched quantums used */
131 u_int kl_pctcpu; /* percentage cputime */
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132 u_int kl_slptime; /* time since last blocked */
133 int kl_origcpu; /* originally scheduled on cpu */
134 int kl_estcpu;
135 int kl_cpuid; /* CPU this lwp was last scheduled on */
136
137 struct rusage kl_ru; /* resource usage stats */
138
139 sigset_t kl_siglist; /* pending signals */
140 sigset_t kl_sigmask; /* masked signals */
8ddceaf5 141#define WMESGLEN 8
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142 uintptr_t kl_wchan; /* waiting channel */
143 char kl_wmesg[WMESGLEN+1]; /* waiting message */
144};
145
146/*
147 * KERN_PROC subtype ops return arrays of normalized proc structures:
148 */
149struct kinfo_proc {
150 uintptr_t kp_paddr; /* address of this proc */
151
152 /* proc information */
153 int kp_flags;
164b8401 154 enum procstat kp_stat;
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155 int kp_lock;
156 int kp_acflag; /* accounting flags */
157 int kp_traceflag;
158
159 uintptr_t kp_fd; /* address of the proc's files */
160
161 sigset_t kp_siglist;
162 sigset_t kp_sigignore;
163 sigset_t kp_sigcatch;
164 int kp_sigflag; /* from ps_flag */
165 struct timeval kp_start;
166
167 char kp_comm[MAXCOMLEN+1];
168
169 /* cred information */
170 uid_t kp_uid;
171 short kp_ngroups;
172 gid_t kp_groups[NGROUPS];
173 uid_t kp_ruid;
174 uid_t kp_svuid;
175 gid_t kp_rgid;
176 gid_t kp_svgid;
177
178 pid_t kp_pid; /* process id */
179 pid_t kp_ppid; /* parent process id */
180 pid_t kp_pgid; /* process group id */
181 int kp_jobc; /* job control counter */
182 pid_t kp_sid; /* session id */
183 char kp_login[roundup(MAXLOGNAME, sizeof(long))]; /* setlogin() name */
184 dev_t kp_tdev; /* controlling tty dev */
185 pid_t kp_tpgid; /* tty process group id */
186 pid_t kp_tsid; /* tty session id */
187
188 u_short kp_exitstat; /* exit status information */
189 int kp_nthreads;
190 int kp_nice;
08f2f1bb 191 unsigned int kp_swtime;
5dfd06ac 192
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193 vm_size_t kp_vm_map_size; /* vmmap virtual size in bytes */
194 segsz_t kp_vm_rssize; /* resident set size in pages */
195 segsz_t kp_vm_swrss; /* rss before last swap in pages */
196 segsz_t kp_vm_tsize; /* text size in pages */
197 segsz_t kp_vm_dsize; /* data size in pages */
198 segsz_t kp_vm_ssize; /* stack size in pages */
199 u_int kp_vm_prssize; /* proportional rss in pages */
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200
201 int kp_jailid;
202
203 struct rusage kp_ru;
204 struct rusage kp_cru;
205
206 int kp_auxflags; /* generated flags */
207#define KI_CTTY 1
208#define KI_SLEADER 2
209
210 struct kinfo_lwp kp_lwp;
211
212 int kp_spare[4];
213};
214
215struct proc;
216struct lwp;
ef02d0e1 217struct thread;
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218
219void fill_kinfo_proc(struct proc *, struct kinfo_proc *);
220void fill_kinfo_lwp(struct lwp *, struct kinfo_lwp *);
ef02d0e1 221void fill_kinfo_proc_kthread(struct thread *, struct kinfo_proc *);
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222
223#define KINFO_NEXT(kp) ((union kinfo *)((uintptr_t)kp + kp->gen.len))
224#define KINFO_END(kp) (kp->gen.type == KINFO_TYPE_END)
225
9eea7f0c 226#if defined(_KERNEL)
9eea7f0c 227#define cpu_time cputime_percpu[mycpuid]
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228#endif
229
230#if defined(_KERNEL)
231extern struct kinfo_cputime cputime_percpu[MAXCPU];
232#endif
233
ad9b9267 234#endif /* !_SYS_KINFO_H_ */