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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <sys/types.h> 28 #include <sys/param.h> 29 #include <sys/user.h> 30 #include <sys/buf.h> 31 #include <sys/systm.h> 32 #include <sys/vm.h> 33 #include <sys/uio.h> 34 #include <vm/seg.h> 35 #include <sys/stat.h> 36 37 #include <sys/time.h> 38 #include <sys/varargs.h> 39 40 #include <sys/rsm/rsm.h> 41 42 /* lint -w2 */ 43 44 extern char *vsprintf_len(size_t, char *, const char *, va_list); 45 extern char *sprintf(char *buf, const char *fmt, ...); 46 47 /* 48 * From kmdb, read printfs using : *rsmka_dbg/s 49 */ 50 #define RSMKA_BUFSIZE 0x10000 51 52 char rsmka_buf[RSMKA_BUFSIZE]; 53 char *rsmka_dbg = rsmka_buf; 54 char *rsmka_buf_end = rsmka_buf; 55 char *rsmka_buf_top = rsmka_buf + RSMKA_BUFSIZE - 256; 56 kmutex_t rsmka_buf_lock; 57 58 int rsmdbg_category = RSM_KERNEL_ALL; 59 #ifdef DEBUG 60 int rsmdbg_level = RSM_DEBUG_VERBOSE; 61 #else 62 int rsmdbg_level = RSM_NOTICE; 63 #endif 64 65 void dbprintf(char *fmt, ...) { 66 va_list ap; 67 /* lint -save -e40 */ 68 va_start(ap, fmt); 69 /* lint -restore */ 70 mutex_enter(&rsmka_buf_lock); 71 (void) vsprintf_len(255, rsmka_buf_end, fmt, ap); 72 rsmka_buf_end += strlen(rsmka_buf_end); 73 if (rsmka_buf_end > rsmka_buf_top) { 74 rsmka_buf_end = rsmka_buf; 75 } 76 va_end(ap); 77 mutex_exit(&rsmka_buf_lock); 78 } 79 80 void 81 dbg_printf(int msg_category, int msg_level, char *fmt, ...) 82 { 83 if ((msg_category & rsmdbg_category) && 84 (msg_level <= rsmdbg_level)) { 85 va_list ap; 86 va_start(ap, fmt); 87 mutex_enter(&rsmka_buf_lock); 88 (void) sprintf(rsmka_buf_end, "%16" PRIx64 ":", 89 curthread->t_did); 90 rsmka_buf_end += 17; 91 (void) vsprintf_len(255, rsmka_buf_end, fmt, ap); 92 rsmka_buf_end += strlen(rsmka_buf_end); 93 if (rsmka_buf_end > rsmka_buf_top) { 94 rsmka_buf_end = rsmka_buf; 95 } 96 mutex_exit(&rsmka_buf_lock); 97 va_end(ap); 98 } 99 } 100