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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <strings.h> 30 #include <unistd.h> 31 #include <dtrace.h> 32 33 static int g_count; 34 static int g_errs; 35 static int g_fd; 36 static int g_verbose; 37 static int g_errexit; 38 39 static int 40 probe(dtrace_hdl_t *dtp, const dtrace_probedesc_t *pdp, void *data) 41 { 42 dtrace_probeinfo_t p; 43 dtrace_argdesc_t arg; 44 char buf[BUFSIZ]; 45 int i; 46 47 (void) printf("\r%6d", ++g_count); 48 (void) fflush(stdout); 49 50 if (dtrace_probe_info(dtp, pdp, &p) != 0) { 51 (void) printf(" failed to get probe info for " 52 "%s:%s:%s:%s [%d]\n", pdp->dtpd_provider, pdp->dtpd_mod, 53 pdp->dtpd_func, pdp->dtpd_name, pdp->dtpd_id); 54 g_errs++; 55 return (0); 56 } 57 58 for (i = 0; i < p.dtp_argc; i++) { 59 if (p.dtp_argv[i].dtt_type == CTF_ERR) { 60 bzero(&arg, sizeof (dtrace_argdesc_t)); 61 arg.dtargd_id = pdp->dtpd_id; 62 arg.dtargd_ndx = i; 63 (void) ioctl(g_fd, DTRACEIOC_PROBEARG, &arg); 64 65 (void) printf(" failed to get types for args[%d] " 66 "of %s:%s:%s:%s [%d]: <%s> -> <%s>\n", i, 67 pdp->dtpd_provider, pdp->dtpd_mod, pdp->dtpd_func, 68 pdp->dtpd_name, pdp->dtpd_id, 69 arg.dtargd_native, arg.dtargd_xlate); 70 71 g_errs++; 72 73 if (g_errexit) 74 return (-1); 75 76 } else if (g_verbose) { 77 (void) printf("%d args[%d] : %s\n", pdp->dtpd_id, i, 78 ctf_type_name(p.dtp_argv[i].dtt_ctfp, 79 p.dtp_argv[i].dtt_type, buf, sizeof (buf))); 80 } 81 } 82 83 return (0); 84 } 85 86 int 87 main(int argc, char *argv[]) 88 { 89 dtrace_probedesc_t pd, *pdp = NULL; 90 dtrace_hdl_t *dtp; 91 int err, c; 92 char *p; 93 94 if ((dtp = dtrace_open(DTRACE_VERSION, 0, &err)) == NULL) { 95 (void) fprintf(stderr, "%s: failed to open dtrace: %s\n", 96 argv[0], dtrace_errmsg(dtp, err)); 97 return (1); 98 } 99 100 while ((c = getopt(argc, argv, "evx:")) != -1) { 101 switch (c) { 102 case 'e': 103 g_errexit++; 104 break; 105 case 'v': 106 g_verbose++; 107 break; 108 case 'x': 109 if ((p = strchr(optarg, '=')) != NULL) 110 *p++ = '\0'; 111 112 if (dtrace_setopt(dtp, optarg, p) != 0) { 113 (void) fprintf(stderr, "%s: failed to set " 114 "option -x %s: %s\n", argv[0], optarg, 115 dtrace_errmsg(dtp, dtrace_errno(dtp))); 116 return (2); 117 } 118 break; 119 120 default: 121 (void) fprintf(stderr, "Usage: %s [-ev] " 122 "[-x opt[=arg]] [probedesc]\n", argv[0]); 123 return (2); 124 } 125 } 126 127 argv += optind; 128 argc -= optind; 129 130 if (argc > 0) { 131 if (dtrace_str2desc(dtp, DTRACE_PROBESPEC_NAME, argv[1], &pd)) { 132 (void) fprintf(stderr, "%s: invalid probe description " 133 "%s: %s\n", argv[0], argv[1], 134 dtrace_errmsg(dtp, dtrace_errno(dtp))); 135 return (2); 136 } 137 pdp = &pd; 138 } 139 140 g_fd = dtrace_ctlfd(dtp); 141 (void) dtrace_probe_iter(dtp, pdp, probe, NULL); 142 dtrace_close(dtp); 143 144 (void) printf("\nTotal probes: %d\n", g_count); 145 (void) printf("Total errors: %d\n\n", g_errs); 146 147 return (g_errs != 0); 148 } 149