Move rtems/freebsd to freebsd and contrib to freebsd/contrib

1 files changed, 282 insertions, 0 deletions

diff --git a/freebsd/sys/ktr.h b/freebsd/sys/ktr.h
new file mode 100644
index 00000000..3942b92e
--- /dev/null
+++ b/freebsd/sys/ktr.h
@@ -0,0 +1,282 @@
+/*-
+ * 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_HH_
+#define _SYS_KTR_HH_
+
+/*
+ * Trace classes
+ *
+ * Two of the trace classes (KTR_DEV and KTR_SUBSYS) are special in that
+ * they are really placeholders so that indvidual drivers and subsystems
+ * can map their internal tracing to the general class when they wish to
+ * have tracing enabled and map it to 0 when they don't.
+ */
+#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_SUBSYS	0x00000020		/* Subsystem. */
+#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_SPARE2	0x00000800		/* XXX Used by cxgb */
+#define	KTR_PROC	0x00001000		/* Process scheduling */
+#define	KTR_SYSC	0x00002000		/* System call */
+#define	KTR_INIT	0x00004000		/* System initialization */
+#define	KTR_SPARE3	0x00008000		/* XXX Used by cxgb */
+#define	KTR_SPARE4	0x00010000		/* XXX Used by cxgb */
+#define	KTR_EVH		0x00020000		/* Eventhandler */
+#define	KTR_VFS		0x00040000		/* VFS events */
+#define	KTR_VOP		0x00080000		/* Auto-generated vop events */
+#define	KTR_VM		0x00100000		/* The virtual memory system */
+#define	KTR_INET	0x00200000		/* IPv4 stack */
+#define	KTR_RUNQ	0x00400000		/* Run queue */
+#define	KTR_CONTENTION	0x00800000		/* Lock contention */
+#define	KTR_UMA		0x01000000		/* UMA slab allocator */
+#define	KTR_CALLOUT	0x02000000		/* Callouts and timeouts */
+#define	KTR_GEOM	0x04000000		/* GEOM I/O events */
+#define	KTR_BUSDMA	0x08000000		/* busdma(9) events */
+#define	KTR_INET6	0x10000000		/* IPv6 stack */
+#define	KTR_SCHED	0x20000000		/* Machine parsed sched info. */
+#define	KTR_BUF		0x40000000		/* Buffer cache */
+#define	KTR_ALL		0x7fffffff
+
+/*
+ * 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		0x01000000
+#define KTR_CT2		0x02000000
+#define KTR_CT3		0x04000000
+#define KTR_CT4		0x08000000
+#define KTR_CT5		0x10000000
+#define KTR_CT6		0x20000000
+#define KTR_CT7		0x40000000
+#define KTR_CT8		0x80000000
+
+/* Trace classes to compile in */
+#ifdef KTR
+#ifndef KTR_COMPILE
+#define	KTR_COMPILE	(KTR_ALL)
+#endif
+#else	/* !KTR */
+#undef KTR_COMPILE
+#define KTR_COMPILE 0
+#endif	/* KTR */
+
+/*
+ * Version number for ktr_entry struct.  Increment this when you break binary
+ * compatibility.
+ */
+#define	KTR_VERSION	2
+
+#define	KTR_PARMS	6
+
+#ifndef LOCORE
+
+struct ktr_entry {
+	u_int64_t ktr_timestamp;
+	int	ktr_cpu;
+	int	ktr_line;
+	const	char *ktr_file;
+	const	char *ktr_desc;
+	struct	thread *ktr_thread;
+	u_long	ktr_parms[KTR_PARMS];
+};
+
+extern int ktr_cpumask;
+extern int ktr_mask;
+extern int ktr_entries;
+extern int ktr_verbose;
+
+extern volatile int ktr_idx;
+extern struct ktr_entry ktr_buf[];
+
+#ifdef KTR
+
+void	ktr_tracepoint(u_int mask, const char *file, int line,
+	    const char *format, u_long arg1, u_long arg2, u_long arg3,
+	    u_long arg4, u_long arg5, u_long arg6);
+
+#define CTR6(m, format, p1, p2, p3, p4, p5, p6) do {			\
+	if (KTR_COMPILE & (m))						\
+		ktr_tracepoint((m), __FILE__, __LINE__, format,		\
+		    (u_long)(p1), (u_long)(p2), (u_long)(p3),		\
+		    (u_long)(p4), (u_long)(p5), (u_long)(p6));		\
+	} while(0)
+#define CTR0(m, format)			CTR6(m, format, 0, 0, 0, 0, 0, 0)
+#define CTR1(m, format, p1)		CTR6(m, format, p1, 0, 0, 0, 0, 0)
+#define	CTR2(m, format, p1, p2)		CTR6(m, format, p1, p2, 0, 0, 0, 0)
+#define	CTR3(m, format, p1, p2, p3)	CTR6(m, format, p1, p2, p3, 0, 0, 0)
+#define	CTR4(m, format, p1, p2, p3, p4)	CTR6(m, format, p1, p2, p3, p4, 0, 0)
+#define	CTR5(m, format, p1, p2, p3, p4, p5)	CTR6(m, format, p1, p2, p3, p4, p5, 0)
+#else	/* KTR */
+#define	CTR0(m, d)			(void)0
+#define	CTR1(m, d, p1)			(void)0
+#define	CTR2(m, d, p1, p2)		(void)0
+#define	CTR3(m, d, p1, p2, p3)		(void)0
+#define	CTR4(m, d, p1, p2, p3, p4)	(void)0
+#define	CTR5(m, d, p1, p2, p3, p4, p5)	(void)0
+#define	CTR6(m, d, p1, p2, p3, p4, p5, p6)	(void)0
+#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)
+#define	TR6(d, p1, p2, p3, p4, p5, p6)	CTR6(KTR_GEN, d, p1, p2, p3, p4, p5, p6)
+
+/*
+ * The event macros implement KTR graphic plotting facilities provided
+ * by src/tools/sched/schedgraph.py.  Three generic types of events are
+ * supported: states, counters, and points.
+ *
+ * m is the ktr class for ktr_mask.
+ * ident is the string identifier that owns the event (ie: "thread 10001")
+ * etype is the type of event to plot (state, counter, point)
+ * edat is the event specific data (state name, counter value, point name)
+ * up to four attributes may be supplied as a name, value pair of arguments.
+ *
+ * etype and attribute names must be string constants.  This minimizes the
+ * number of ktr slots required by construction the final format strings
+ * at compile time.  Both must also include a colon and format specifier
+ * (ie. "prio:%d", prio).  It is recommended that string arguments be
+ * contained within escaped quotes if they may contain ',' or ':' characters.
+ *
+ * The special attribute (KTR_ATTR_LINKED, ident) creates a reference to another
+ * id on the graph for easy traversal of related graph elements.
+ */
+
+#define	KTR_ATTR_LINKED	"linkedto:\"%s\""
+#define	KTR_EFMT(egroup, ident, etype)					\
+	    "KTRGRAPH group:\"" egroup "\", id:\"%s\", " etype ", attributes: "
+
+#define	KTR_EVENT0(m, egroup, ident, etype, edat)			\
+	CTR2(m,	KTR_EFMT(egroup, ident, etype) "none", ident, edat)
+#define	KTR_EVENT1(m, egroup, ident, etype, edat, a0, v0)		\
+	CTR3(m, KTR_EFMT(egroup, ident, etype) a0, ident, edat, (v0))
+#define	KTR_EVENT2(m, egroup, ident, etype, edat, a0, v0, a1, v1)	\
+	CTR4(m, KTR_EFMT(egroup, ident, etype) a0 ", " a1,		\
+	    ident, edat, (v0), (v1))
+#define	KTR_EVENT3(m, egroup, ident, etype, edat, a0, v0, a1, v1, a2, v2)\
+	CTR5(m,KTR_EFMT(egroup, ident, etype) a0 ", " a1 ", " a2,	\
+	    ident, edat, (v0), (v1), (v2))
+#define	KTR_EVENT4(m, egroup, ident, etype, edat,			\
+	    a0, v0, a1, v1, a2, v2, a3, v3)				\
+	CTR6(m,KTR_EFMT(egroup, ident, etype) a0 ", " a1 ", " a2 ", " a3,\
+	     ident, edat, (v0), (v1), (v2), (v3))
+
+/*
+ * State functions graph state changes on an ident.
+ */
+#define KTR_STATE0(m, egroup, ident, state)				\
+	KTR_EVENT0(m, egroup, ident, "state:\"%s\"", state)
+#define KTR_STATE1(m, egroup, ident, state, a0, v0)			\
+	KTR_EVENT1(m, egroup, ident, "state:\"%s\"", state, a0, (v0))
+#define KTR_STATE2(m, egroup, ident, state, a0, v0, a1, v1)		\
+	KTR_EVENT2(m, egroup, ident, "state:\"%s\"", state, a0, (v0), a1, (v1))
+#define KTR_STATE3(m, egroup, ident, state, a0, v0, a1, v1, a2, v2)	\
+	KTR_EVENT3(m, egroup, ident, "state:\"%s\"",			\
+	    state, a0, (v0), a1, (v1), a2, (v2))
+#define KTR_STATE4(m, egroup, ident, state, a0, v0, a1, v1, a2, v2, a3, v3)\
+	KTR_EVENT4(m, egroup, ident, "state:\"%s\"",			\
+	    state, a0, (v0), a1, (v1), a2, (v2), a3, (v3))
+
+/*
+ * Counter functions graph counter values.  The counter id
+ * must not be intermixed with a state id. 
+ */
+#define	KTR_COUNTER0(m, egroup, ident, counter)				\
+	KTR_EVENT0(m, egroup, ident, "counter:%d", counter)
+#define	KTR_COUNTER1(m, egroup, ident, edat, a0, v0)			\
+	KTR_EVENT1(m, egroup, ident, "counter:%d", counter, a0, (v0))
+#define	KTR_COUNTER2(m, egroup, ident, counter, a0, v0, a1, v1)		\
+	KTR_EVENT2(m, egroup, ident, "counter:%d", counter, a0, (v0), a1, (v1))
+#define	KTR_COUNTER3(m, egroup, ident, counter, a0, v0, a1, v1, a2, v2)	\
+	KTR_EVENT3(m, egroup, ident, "counter:%d",			\
+	    counter, a0, (v0), a1, (v1), a2, (v2))
+#define	KTR_COUNTER4(m, egroup, ident, counter, a0, v0, a1, v1, a2, v2, a3, v3)\
+	KTR_EVENT4(m, egroup, ident, "counter:%d",			\
+	    counter, a0, (v0), a1, (v1), a2, (v2), a3, (v3))
+
+/*
+ * Point functions plot points of interest on counter or state graphs.
+ */
+#define	KTR_POINT0(m, egroup, ident, point)				\
+	KTR_EVENT0(m, egroup, ident, "point:\"%s\"", point)
+#define	KTR_POINT1(m, egroup, ident, point, a0, v0)			\
+	KTR_EVENT1(m, egroup, ident, "point:\"%s\"", point, a0, (v0))
+#define	KTR_POINT2(m, egroup, ident, point, a0, v0, a1, v1)		\
+	KTR_EVENT2(m, egroup, ident, "point:\"%s\"", point, a0, (v0), a1, (v1))
+#define	KTR_POINT3(m, egroup, ident, point, a0, v0, a1, v1, a2, v2)	\
+	KTR_EVENT3(m, egroup, ident, "point:\"%s\"", point,		\
+	    a0, (v0), a1, (v1), a2, (v2))
+#define	KTR_POINT4(m, egroup, ident, point, a0, v0, a1, v1, a2, v2, a3, v3)\
+	KTR_EVENT4(m, egroup, ident, "point:\"%s\"",			\
+	    point, a0, (v0), a1, (v1), a2, (v2), a3, (v3))
+
+/*
+ * 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)
+#define	ITR6(d, p1, p2, p3, p4, p5, p6)	CTR6(KTR_INIT, d, p1, p2, p3, p4, p5, p6)
+#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)
+#define	ITR6(d, p1, p2, p3, p4, p5, p6)
+#endif
+
+#endif /* !LOCORE */
+
+#endif /* !_SYS_KTR_HH_ */