kernel - Implement spectre mitigations part 1
[dragonfly.git] / test / debug / kshowprocs.c
blob252bab4be2a2ef2a81a600541b7551dec9c3505a
1 /*
2 * KSHOWPROCS.C
4 * cc kshowprocs.c -o /usr/local/bin/kshowprocs -g -O0 -pipe -lkvm
6 * Dump kernel processes
8 * Copyright (c) 2011 The DragonFly Project. All rights reserved.
10 * This code is derived from software contributed to The DragonFly Project
11 * by Antonio Huete <tuxillo@quantumachine.net>
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the
22 * distribution.
23 * 3. Neither the name of The DragonFly Project nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific, prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
31 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
35 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
37 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <fcntl.h>
46 #include <kvm.h>
47 #include <err.h>
48 #include <nlist.h>
49 #include <getopt.h>
51 #include <sys/user.h>
52 #include <sys/sysctl.h>
54 int debugopt;
55 int verboseopt;
57 int
58 main(int ac, char **av)
60 const char *corefile = NULL;
61 const char *sysfile = NULL;
62 struct kinfo_proc *kp;
63 kvm_t *kd;
64 int ch;
65 int i;
66 int nprocs;
68 while ((ch = getopt(ac, av, "M:N:v")) != -1) {
69 switch(ch) {
70 case 'v':
71 ++verboseopt;
72 break;
73 case 'M':
74 corefile = optarg;
75 break;
76 case 'N':
77 sysfile = optarg;
78 break;
79 default:
80 fprintf(stderr, "%s [-M core] [-N system]\n", av[0]);
81 exit(1);
84 ac -= optind;
85 av += optind;
87 if ((kd = kvm_open(sysfile, corefile, NULL, O_RDONLY, "kvm:")) == NULL) {
88 perror("kvm_open");
89 exit(1);
92 if ((kp = kvm_getprocs(kd, KERN_PROC_ALL, 0, &nprocs)) == NULL)
93 errx(1, "%s", kvm_geterr(kd));
95 fprintf(stdout, "%-6s %-6s %-20s %-10s %-5s\n",
96 "PID",
97 "PPID",
98 "COMMAND",
99 "LOGIN",
100 "NICE");
102 for (i = 0; i < nprocs; i++) {
103 fprintf(stdout, "%-6d %-6d %-20s %-10s %-5d\n",
104 kp[i].kp_pid,
105 kp[i].kp_ppid,
106 kp[i].kp_comm,
107 kp[i].kp_login,
108 kp[i].kp_nice);
111 kvm_close(kd);
113 return 0;