/*- * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Berkeley Software Design Inc's name may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $ * $FreeBSD$ */ /* * Wraparound kernel trace buffer support. */ #ifndef _SYS_KTR_H_ #define _SYS_KTR_H_ /* Requires sys/types.h, sys/time.h, machine/atomic.h, and machine/cpufunc.h */ #include #include /* * Trace classes */ #define KTR_GEN 0x00000001 /* General (TR) */ #define KTR_NET 0x00000002 /* Network */ #define KTR_DEV 0x00000004 /* Device driver */ #define KTR_LOCK 0x00000008 /* MP locking */ #define KTR_SMP 0x00000010 /* MP general */ #define KTR_FS 0x00000020 /* Filesystem */ #define KTR_PMAP 0x00000040 /* Pmap tracing */ #define KTR_MALLOC 0x00000080 /* Malloc tracing */ #define KTR_TRAP 0x00000100 /* Trap processing */ #define KTR_INTR 0x00000200 /* Interrupt tracing */ #define KTR_SIG 0x00000400 /* Signal processing */ #define KTR_CLK 0x00000800 /* hardclock verbose */ #define KTR_PROC 0x00001000 /* Process scheduling */ #define KTR_SYSC 0x00002000 /* System call */ #define KTR_INIT 0x00004000 /* System initialization */ #define KTR_KGDB 0x00008000 /* Trace kgdb internals */ #define KTR_IO 0x00010000 /* Upper I/O */ #define KTR_LOCKMGR 0x00020000 #define KTR_NFS 0x00040000 /* The obvious */ #define KTR_VOP 0x00080000 /* The obvious */ #define KTR_VM 0x00100000 /* The virtual memory system */ #define KTR_IDLELOOP 0x00200000 /* checks done in the idle process */ /* * Trace classes which can be assigned to particular use at compile time * These must remain in high 22 as some assembly code counts on it */ #define KTR_CT1 0x010000000 #define KTR_CT2 0x020000000 #define KTR_CT3 0x040000000 #define KTR_CT4 0x080000000 #define KTR_CT5 0x100000000 #define KTR_CT6 0x200000000 #define KTR_CT7 0x400000000 #define KTR_CT8 0x800000000 /* Trace classes to compile in */ #ifndef KTR_COMPILE #define KTR_COMPILE (KTR_GEN) #endif #ifndef KTR_MASK #define KTR_MASK (KTR_GEN) #endif #ifndef KTR_CPUMASK #define KTR_CPUMASK (~0) #endif #ifndef LOCORE #include struct ktr_entry { struct timespec ktr_tv; #ifdef KTR_EXTEND #ifndef KTRDESCSIZE #define KTRDESCSIZE 80 #endif #ifndef KTRFILENAMESIZE #define KTRFILENAMESIZE 32 #endif char ktr_desc [KTRDESCSIZE]; char ktr_filename [KTRFILENAMESIZE]; int ktr_line; int ktr_cpu; #else char *ktr_desc; u_long ktr_parm1; u_long ktr_parm2; u_long ktr_parm3; u_long ktr_parm4; u_long ktr_parm5; #endif }; /* These variables are used by gdb to analyse the output */ extern int ktr_extend; extern int ktr_cpumask; extern int ktr_mask; extern int ktr_entries; extern volatile int ktr_idx; extern struct ktr_entry ktr_buf[]; #endif /* !LOCORE */ #ifdef KTR #ifndef KTR_ENTRIES #define KTR_ENTRIES 1024 #endif #ifdef KTR_EXTEND #ifndef _TR_CPU #ifdef SMP #define _TR_CPU cpuid #else #define _TR_CPU 0 #endif #endif #ifndef _TR #include #define _TR() \ struct ktr_entry *_ktrptr; \ int _ktr_newidx, _ktr_saveidx; \ int _tr_intrsave = save_intr(); \ disable_intr(); \ do { \ _ktr_saveidx = ktr_idx; \ _ktr_newidx = (ktr_idx + 1) & (KTR_ENTRIES - 1); \ } while (atomic_cmpset_int(&ktr_idx, _ktr_saveidx, _ktr_newidx) == 0); \ _ktrptr = &ktr_buf[_ktr_saveidx]; \ restore_intr(_tr_intrsave); \ nanotime(&_ktrptr->ktr_tv); \ snprintf (_ktrptr->ktr_filename, KTRFILENAMESIZE, "%s", __FILE__); \ _ktrptr->ktr_line = __LINE__; \ _ktrptr->ktr_cpu = _TR_CPU; #endif #define CTR0(m, _desc) \ if (KTR_COMPILE & (m)) { \ if ((ktr_mask & (m)) && ((1 << _TR_CPU) & ktr_cpumask)) { \ _TR() \ memcpy (_ktrptr->ktr_desc, _desc, KTRDESCSIZE); \ } \ } #define CTR1(m, _desc, _p1) \ if (KTR_COMPILE & (m)) { \ if ((ktr_mask & (m)) && ((1 << _TR_CPU) & ktr_cpumask)) { \ _TR() \ snprintf (_ktrptr->ktr_desc, KTRDESCSIZE, _desc, _p1); \ } \ } #define CTR2(m, _desc, _p1, _p2) \ if (KTR_COMPILE & (m)) { \ if ((ktr_mask & (m)) && ((1 << _TR_CPU) & ktr_cpumask)) { \ _TR() \ snprintf (_ktrptr->ktr_desc, KTRDESCSIZE, _desc, _p1, _p2); \ } \ } #define CTR3(m, _desc, _p1, _p2, _p3) \ if (KTR_COMPILE & (m)) { \ if ((ktr_mask & (m)) && ((1 << _TR_CPU) & ktr_cpumask)) { \ _TR() \ snprintf (_ktrptr->ktr_desc, KTRDESCSIZE, _desc, _p1, _p2, _p3); \ } \ } #define CTR4(m, _desc, _p1, _p2, _p3, _p4) \ if (KTR_COMPILE & (m)) { \ if ((ktr_mask & (m)) && ((1 << _TR_CPU) & ktr_cpumask)) { \ _TR() \ snprintf (_ktrptr->ktr_desc, KTRDESCSIZE, _desc, _p1, _p2, _p3, _p4); \ } \ } #define CTR5(m, _desc, _p1, _p2, _p3, _p4, _p5) \ if (KTR_COMPILE & (m)) { \ if ((ktr_mask & (m)) && ((1 << _TR_CPU) & ktr_cpumask)) { \ _TR() \ snprintf (_ktrptr->ktr_desc, KTRDESCSIZE, _desc, _p1, _p2, _p3, _p4, _p5); \ } \ } #else /* not extended */ #ifndef _TR #define _TR(_desc) \ struct ktr_entry *_ktrptr; \ int _ktr_newidx, _ktr_saveidx; \ do { \ _ktr_saveidx = ktr_idx; \ _ktr_newidx = (ktr_idx + 1) & (KTR_ENTRIES - 1); \ } while (atomic_cmpset_int(&ktr_idx, _ktr_saveidx, _ktr_newidx) == 0); \ _ktrptr = &ktr_buf[_ktr_saveidx]; \ nanotime(&_ktrptr->ktr_tv); \ _ktrptr->ktr_desc = (_desc); #endif #define CTR0(m, _desc) \ if (KTR_COMPILE & (m)) { \ if (ktr_mask & (m)) { \ _TR(_desc) \ } \ } #define CTR1(m, _desc, _p1) \ if (KTR_COMPILE & (m)) { \ if (ktr_mask & (m)) { \ _TR(_desc) \ _ktrptr->ktr_parm1 = (u_long)(_p1); \ } \ } #define CTR2(m, _desc, _p1, _p2) \ if (KTR_COMPILE & (m)) { \ if (ktr_mask & (m)) { \ _TR(_desc) \ _ktrptr->ktr_parm1 = (u_long)(_p1); \ _ktrptr->ktr_parm2 = (u_long)(_p2); \ } \ } #define CTR3(m, _desc, _p1, _p2, _p3) \ if (KTR_COMPILE & (m)) { \ if (ktr_mask & (m)) { \ _TR(_desc) \ _ktrptr->ktr_parm1 = (u_long)(_p1); \ _ktrptr->ktr_parm2 = (u_long)(_p2); \ _ktrptr->ktr_parm3 = (u_long)(_p3); \ } \ } #define CTR4(m, _desc, _p1, _p2, _p3, _p4) \ if (KTR_COMPILE & (m)) { \ if (ktr_mask & (m)) { \ _TR(_desc) \ _ktrptr->ktr_parm1 = (u_long)(_p1); \ _ktrptr->ktr_parm2 = (u_long)(_p2); \ _ktrptr->ktr_parm3 = (u_long)(_p3); \ _ktrptr->ktr_parm4 = (u_long)(_p4); \ } \ } #define CTR5(m, _desc, _p1, _p2, _p3, _p4, _p5) \ if (KTR_COMPILE & (m)) { \ if (ktr_mask & (m)) { \ _TR(_desc) \ _ktrptr->ktr_parm1 = (u_long)(_p1); \ _ktrptr->ktr_parm2 = (u_long)(_p2); \ _ktrptr->ktr_parm3 = (u_long)(_p3); \ _ktrptr->ktr_parm4 = (u_long)(_p4); \ _ktrptr->ktr_parm5 = (u_long)(_p5); \ } \ } #endif #else /* KTR */ #undef KTR_COMPILE #define KTR_COMPILE 0 #define CTR0(m, d) #define CTR1(m, d, p1) #define CTR2(m, d, p1, p2) #define CTR3(m, d, p1, p2, p3) #define CTR4(m, d, p1, p2, p3, p4) #define CTR5(m, d, p1, p2, p3, p4, p5) /* XXX vvvvvvvv ??? */ #define SEG_ATR(d,s) #define SEG_ATR_DESC(d,s) #define ATR(d) #define CATR(f,d,n) #define CATRD(f,d,n) #endif /* KTR */ #define TR0(d) CTR0(KTR_GEN, d) #define TR1(d, p1) CTR1(KTR_GEN, d, p1) #define TR2(d, p1, p2) CTR2(KTR_GEN, d, p1, p2) #define TR3(d, p1, p2, p3) CTR3(KTR_GEN, d, p1, p2, p3) #define TR4(d, p1, p2, p3, p4) CTR4(KTR_GEN, d, p1, p2, p3, p4) #define TR5(d, p1, p2, p3, p4, p5) CTR5(KTR_GEN, d, p1, p2, p3, p4, p5) /* * Trace initialization events, similar to CTR with KTR_INIT, but * completely ifdef'ed out if KTR_INIT isn't in KTR_COMPILE (to * save string space, the compiler doesn't optimize out strings * for the conditional ones above). */ #if (KTR_COMPILE & KTR_INIT) != 0 #define ITR0(d) CTR0(KTR_INIT, d) #define ITR1(d, p1) CTR1(KTR_INIT, d, p1) #define ITR2(d, p1, p2) CTR2(KTR_INIT, d, p1, p2) #define ITR3(d, p1, p2, p3) CTR3(KTR_INIT, d, p1, p2, p3) #define ITR4(d, p1, p2, p3, p4) CTR4(KTR_INIT, d, p1, p2, p3, p4) #define ITR5(d, p1, p2, p3, p4, p5) CTR5(KTR_INIT, d, p1, p2, p3, p4, p5) #else #define ITR0(d) #define ITR1(d, p1) #define ITR2(d, p1, p2) #define ITR3(d, p1, p2, p3) #define ITR4(d, p1, p2, p3, p4) #define ITR5(d, p1, p2, p3, p4, p5) #endif #endif /* !_SYS_KTR_H_ */