altq_rmclass_debug.h (3192B) - Raw
1 /*- 2 * Copyright (c) Sun Microsystems, Inc. 1998 All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the SMCC Technology 18 * Development Group at Sun Microsystems, Inc. 19 * 20 * 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or 21 * promote products derived from this software without specific prior 22 * written permission. 23 * 24 * SUN MICROSYSTEMS DOES NOT CLAIM MERCHANTABILITY OF THIS SOFTWARE OR THE 25 * SUITABILITY OF THIS SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is 26 * provided "as is" without express or implied warranty of any kind. 27 * 28 * These notices must be retained in any copies of any part of this software. 29 * 30 * $KAME: altq_rmclass_debug.h,v 1.3 2002/11/29 04:36:24 kjc Exp $ 31 */ 32 33 #ifndef _ALTQ_ALTQ_RMCLASS_DEBUG_H_ 34 #define _ALTQ_ALTQ_RMCLASS_DEBUG_H_ 35 36 /* #pragma ident "@(#)rm_class_debug.h 1.7 98/05/04 SMI" */ 37 38 /* 39 * Cbq debugging macros 40 */ 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 #ifdef CBQ_TRACE 47 #ifndef NCBQTRACE 48 #define NCBQTRACE (16 * 1024) 49 #endif 50 51 /* 52 * To view the trace output, using adb, type: 53 * adb -k /dev/ksyms /dev/mem <cr>, then type 54 * cbqtrace_count/D to get the count, then type 55 * cbqtrace_buffer,0tcount/Dp4C" "Xn 56 * This will dump the trace buffer from 0 to count. 57 */ 58 /* 59 * in ALTQ, "call cbqtrace_dump(N)" from DDB to display 20 events 60 * from Nth event in the circular buffer. 61 */ 62 63 struct cbqtrace { 64 int count; 65 int function; /* address of function */ 66 int trace_action; /* descriptive 4 characters */ 67 int object; /* object operated on */ 68 }; 69 70 extern struct cbqtrace cbqtrace_buffer[]; 71 extern struct cbqtrace *cbqtrace_ptr; 72 extern int cbqtrace_count; 73 74 #define CBQTRACEINIT() { \ 75 if (cbqtrace_ptr == NULL) \ 76 cbqtrace_ptr = cbqtrace_buffer; \ 77 else { \ 78 cbqtrace_ptr = cbqtrace_buffer; \ 79 bzero((void *)cbqtrace_ptr, sizeof(cbqtrace_buffer)); \ 80 cbqtrace_count = 0; \ 81 } \ 82 } 83 84 #define LOCK_TRACE() splimp() 85 #define UNLOCK_TRACE(x) splx(x) 86 87 #define CBQTRACE(func, act, obj) { \ 88 int __s = LOCK_TRACE(); \ 89 int *_p = &cbqtrace_ptr->count; \ 90 *_p++ = ++cbqtrace_count; \ 91 *_p++ = (int)(func); \ 92 *_p++ = (int)(act); \ 93 *_p++ = (int)(obj); \ 94 if ((struct cbqtrace *)(void *)_p >= &cbqtrace_buffer[NCBQTRACE])\ 95 cbqtrace_ptr = cbqtrace_buffer; \ 96 else \ 97 cbqtrace_ptr = (struct cbqtrace *)(void *)_p; \ 98 UNLOCK_TRACE(__s); \ 99 } 100 #else 101 102 /* If no tracing, define no-ops */ 103 #define CBQTRACEINIT() 104 #define CBQTRACE(a, b, c) 105 106 #endif /* !CBQ_TRACE */ 107 108 #ifdef __cplusplus 109 } 110 #endif 111 112 #endif /* _ALTQ_ALTQ_RMCLASS_DEBUG_H_ */