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1.1.1.2 root 1: /*
1.1 root 2: * Mach Operating System
3: * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
4: * All Rights Reserved.
1.1.1.2 root 5: *
1.1 root 6: * Permission to use, copy, modify and distribute this software and its
7: * documentation is hereby granted, provided that both the copyright
8: * notice and this permission notice appear in all copies of the
9: * software, derivative works or modified versions, and any portions
10: * thereof, and that both notices appear in supporting documentation.
1.1.1.2 root 11: *
1.1 root 12: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
1.1.1.2 root 15: *
1.1 root 16: * Carnegie Mellon requests users of this software to return to
1.1.1.2 root 17: *
1.1 root 18: * Software Distribution Coordinator or [email protected]
19: * School of Computer Science
20: * Carnegie Mellon University
21: * Pittsburgh PA 15213-3890
1.1.1.2 root 22: *
1.1 root 23: * any improvements or extensions that they make and grant Carnegie Mellon
24: * the rights to redistribute these changes.
25: */
26: /*
1.1.1.2 root 27: * Include file for xpr circular buffer silent tracing.
1.1 root 28: *
29: */
30: /*
1.1.1.2 root 31: * If the kernel flag XPRDEBUG is set, the XPR macro is enabled. The
1.1 root 32: * macro should be invoked something like the following:
33: * XPR(XPR_SYSCALLS, ("syscall: %d, 0x%x\n", syscallno, arg1);
34: * which will expand into the following code:
35: * if (xprflags & XPR_SYSCALLS)
36: * xpr("syscall: %d, 0x%x\n", syscallno, arg1);
1.1.1.4 ! root 37: * Xpr will log the pointer to the printf string and up to 6 arguments,
1.1 root 38: * along with a timestamp and cpuinfo (for multi-processor systems), into
39: * a circular buffer. The actual printf processing is delayed until after
40: * the buffer has been collected. It is assumed that the text/data segments
41: * of the kernel can easily be reconstructed in a post-processor which
42: * performs the printf processing.
43: *
1.1.1.2 root 44: * If the XPRDEBUG compilation switch is not set, the XPR macro expands
1.1 root 45: * to nothing.
46: */
47:
48: #ifndef _KERN_XPR_H_
49: #define _KERN_XPR_H_
50:
1.1.1.3 root 51: #ifndef KERNEL
1.1 root 52: #include <sys/features.h>
1.1.1.2 root 53: #endif /* KERNEL */
1.1 root 54:
55: #include <machine/xpr.h>
56:
57: #if XPR_DEBUG
58:
59: #define XPR(flags,xprargs) if(xprflags&flags) xpr xprargs
60:
61: extern int xprflags;
62: /*
63: * flags for message types.
64: */
65: #define XPR_SYSCALLS 0x00000001
66: #define XPR_TRAPS 0x00000002
67: #define XPR_SCHED 0x00000004
68: #define XPR_NPTCP 0x00000008
69: #define XPR_NP 0x00000010
70: #define XPR_TCP 0x00000020
71:
72: #define XPR_VM_OBJECT (1 << 8)
73: #define XPR_VM_OBJECT_CACHE (1 << 9)
74: #define XPR_VM_PAGE (1 << 10)
75: #define XPR_VM_PAGEOUT (1 << 11)
76: #define XPR_MEMORY_OBJECT (1 << 12)
77: #define XPR_VM_FAULT (1 << 13)
78: #define XPR_INODE_PAGER (1 << 14)
79: #define XPR_INODE_PAGER_DATA (1 << 15)
80:
1.1.1.2 root 81: #else /* XPR_DEBUG */
1.1 root 82: #define XPR(flags,xprargs)
1.1.1.2 root 83: #endif /* XPR_DEBUG */
1.1 root 84:
85: struct xprbuf {
86: char *msg;
87: int arg1,arg2,arg3,arg4,arg5;
88: int timestamp;
89: int cpuinfo;
90: };
91:
1.1.1.3 root 92: extern void xpr(char *, int, int, int, int, int);
93: extern void xpr_dump(struct xprbuf *, int);
94: extern void xprinit(void);
95: extern void xprbootstrap(void);
1.1 root 96:
1.1.1.2 root 97: #endif /* _KERN_XPR_H_ */
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