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 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <strings.h> 28 #include <unistd.h> 29 #include <dtrace.h> 30 31 static int g_count; 32 static int g_errs; 33 static int g_fd; 34 static int g_verbose; 35 static int g_errexit; 36 static char *g_progname; 37 38 static int 39 probe(dtrace_hdl_t *dtp, const dtrace_probedesc_t *pdp, void *data) 40 { 41 dtrace_probeinfo_t p; 42 dtrace_argdesc_t arg; 43 char buf[BUFSIZ]; 44 int i; 45 46 (void) printf("\r%6d", ++g_count); 47 (void) fflush(stdout); 48 49 if (dtrace_probe_info(dtp, pdp, &p) != 0) { 50 (void) printf(" failed to get probe info for " 51 "%s:%s:%s:%s [%d]\n", pdp->dtpd_provider, pdp->dtpd_mod, 52 pdp->dtpd_func, pdp->dtpd_name, pdp->dtpd_id); 53 g_errs++; 54 return (0); 55 } 56 57 for (i = 0; i < p.dtp_argc; i++) { 58 if (p.dtp_argv[i].dtt_type == CTF_ERR) { 59 bzero(&arg, sizeof (dtrace_argdesc_t)); 60 arg.dtargd_id = pdp->dtpd_id; 61 arg.dtargd_ndx = i; 62 (void) ioctl(g_fd, DTRACEIOC_PROBEARG, &arg); 63 64 (void) printf(" failed to get types for args[%d] " 65 "of %s:%s:%s:%s [%d]: <%s> -> <%s>\n", i, 66 pdp->dtpd_provider, pdp->dtpd_mod, pdp->dtpd_func, 67 pdp->dtpd_name, pdp->dtpd_id, 68 arg.dtargd_native, arg.dtargd_xlate); 69 70 g_errs++; 71 72 if (g_errexit) 73 return (-1); 74 75 } else if (g_verbose) { 76 (void) printf("%d args[%d] : %s\n", pdp->dtpd_id, i, 77 ctf_type_name(p.dtp_argv[i].dtt_ctfp, 78 p.dtp_argv[i].dtt_type, buf, sizeof (buf))); 79 } 80 } 81 82 return (0); 83 } 84 85 int 86 main(int argc, char *argv[]) 87 { 88 dtrace_probedesc_t pd, *pdp = NULL; 89 dtrace_hdl_t *dtp; 90 int err, c; 91 char *p; 92 93 g_progname = argv[0]; 94 95 if ((dtp = dtrace_open(DTRACE_VERSION, 0, &err)) == NULL) { 96 (void) fprintf(stderr, "%s: failed to open dtrace: %s\n", 97 g_progname, dtrace_errmsg(dtp, err)); 98 return (1); 99 } 100 101 while ((c = getopt(argc, argv, "evx:")) != -1) { 102 switch (c) { 103 case 'e': 104 g_errexit++; 105 break; 106 case 'v': 107 g_verbose++; 108 break; 109 case 'x': 110 if ((p = strchr(optarg, '=')) != NULL) 111 *p++ = '\0'; 112 113 if (dtrace_setopt(dtp, optarg, p) != 0) { 114 (void) fprintf(stderr, "%s: failed to set " 115 "option -x %s: %s\n", g_progname, optarg, 116 dtrace_errmsg(dtp, dtrace_errno(dtp))); 117 return (2); 118 } 119 break; 120 121 default: 122 (void) fprintf(stderr, "Usage: %s [-ev] " 123 "[-x opt[=arg]] [probedesc]\n", g_progname); 124 return (2); 125 } 126 } 127 128 argv += optind; 129 argc -= optind; 130 131 if (argc > 0) { 132 if (dtrace_str2desc(dtp, DTRACE_PROBESPEC_NAME, argv[0], &pd)) { 133 (void) fprintf(stderr, "%s: invalid probe description " 134 "%s: %s\n", g_progname, argv[0], 135 dtrace_errmsg(dtp, dtrace_errno(dtp))); 136 return (2); 137 } 138 pdp = &pd; 139 } 140 141 g_fd = dtrace_ctlfd(dtp); 142 (void) dtrace_probe_iter(dtp, pdp, probe, NULL); 143 dtrace_close(dtp); 144 145 (void) printf("\nTotal probes: %d\n", g_count); 146 (void) printf("Total errors: %d\n\n", g_errs); 147 148 return (g_errs != 0); 149 } 150