114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
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/* $FreeBSD$ */
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/* $KAME: altq_rmclass_debug.h,v 1.3 2002/11/29 04:36:24 kjc Exp $ */
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/*
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* Copyright (c) Sun Microsystems, Inc. 1998 All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the SMCC Technology
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* Development Group at Sun Microsystems, Inc.
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*
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* 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* SUN MICROSYSTEMS DOES NOT CLAIM MERCHANTABILITY OF THIS SOFTWARE OR THE
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* SUITABILITY OF THIS SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is
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* provided "as is" without express or implied warranty of any kind.
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*
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* These notices must be retained in any copies of any part of this software.
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*/
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#ifndef _ALTQ_ALTQ_RMCLASS_DEBUG_H_
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#define _ALTQ_ALTQ_RMCLASS_DEBUG_H_
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/* #pragma ident "@(#)rm_class_debug.h 1.7 98/05/04 SMI" */
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/*
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* Cbq debugging macros
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef CBQ_TRACE
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#ifndef NCBQTRACE
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#define NCBQTRACE (16 * 1024)
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#endif
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/*
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* To view the trace output, using adb, type:
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* adb -k /dev/ksyms /dev/mem <cr>, then type
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* cbqtrace_count/D to get the count, then type
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* cbqtrace_buffer,0tcount/Dp4C" "Xn
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* This will dump the trace buffer from 0 to count.
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*/
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/*
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* in ALTQ, "call cbqtrace_dump(N)" from DDB to display 20 events
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* from Nth event in the circular buffer.
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*/
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struct cbqtrace {
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int count;
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int function; /* address of function */
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int trace_action; /* descriptive 4 characters */
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int object; /* object operated on */
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};
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extern struct cbqtrace cbqtrace_buffer[];
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extern struct cbqtrace *cbqtrace_ptr;
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extern int cbqtrace_count;
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#define CBQTRACEINIT() { \
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if (cbqtrace_ptr == NULL) \
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cbqtrace_ptr = cbqtrace_buffer; \
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else { \
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cbqtrace_ptr = cbqtrace_buffer; \
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bzero((void *)cbqtrace_ptr, sizeof(cbqtrace_buffer)); \
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cbqtrace_count = 0; \
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} \
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}
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#define LOCK_TRACE() splimp()
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#define UNLOCK_TRACE(x) splx(x)
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#define CBQTRACE(func, act, obj) { \
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int __s = LOCK_TRACE(); \
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int *_p = &cbqtrace_ptr->count; \
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*_p++ = ++cbqtrace_count; \
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*_p++ = (int)(func); \
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*_p++ = (int)(act); \
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*_p++ = (int)(obj); \
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if ((struct cbqtrace *)(void *)_p >= &cbqtrace_buffer[NCBQTRACE])\
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cbqtrace_ptr = cbqtrace_buffer; \
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else \
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cbqtrace_ptr = (struct cbqtrace *)(void *)_p; \
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UNLOCK_TRACE(__s); \
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}
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#else
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/* If no tracing, define no-ops */
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#define CBQTRACEINIT()
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#define CBQTRACE(a, b, c)
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#endif /* !CBQ_TRACE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ALTQ_ALTQ_RMCLASS_DEBUG_H_ */
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