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Diffstat (limited to 'include/sys/gmon.h')
| -rw-r--r-- | include/sys/gmon.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/include/sys/gmon.h b/include/sys/gmon.h deleted file mode 100644 index f29b410d3..000000000 --- a/include/sys/gmon.h +++ /dev/null @@ -1,201 +0,0 @@ -/*- - * Copyright (c) 1982, 1986, 1992, 1993 - * The Regents of the University of California. 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. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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. - * - * @(#)gmon.h 8.2 (Berkeley) 1/4/94 - */ - -#ifndef _SYS_GMON_H -#define _SYS_GMON_H 1 - -#include <features.h> - -#include <sys/types.h> - -/* - * See gmon_out.h for gmon.out format. - */ - -/* structure emitted by "gcc -a". This must match struct bb in - gcc/libgcc2.c. It is OK for gcc to declare a longer structure as - long as the members below are present. */ -struct __bb -{ - long zero_word; - const char *filename; - long *counts; - long ncounts; - struct __bb *next; - const unsigned long *addresses; -}; - -extern struct __bb *__bb_head; - -/* - * histogram counters are unsigned shorts (according to the kernel). - */ -#define HISTCOUNTER unsigned short - -/* - * fraction of text space to allocate for histogram counters here, 1/2 - */ -#define HISTFRACTION 2 - -/* - * Fraction of text space to allocate for from hash buckets. - * The value of HASHFRACTION is based on the minimum number of bytes - * of separation between two subroutine call points in the object code. - * Given MIN_SUBR_SEPARATION bytes of separation the value of - * HASHFRACTION is calculated as: - * - * HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1); - * - * For example, on the VAX, the shortest two call sequence is: - * - * calls $0,(r0) - * calls $0,(r0) - * - * which is separated by only three bytes, thus HASHFRACTION is - * calculated as: - * - * HASHFRACTION = 3 / (2 * 2 - 1) = 1 - * - * Note that the division above rounds down, thus if MIN_SUBR_FRACTION - * is less than three, this algorithm will not work! - * - * In practice, however, call instructions are rarely at a minimal - * distance. Hence, we will define HASHFRACTION to be 2 across all - * architectures. This saves a reasonable amount of space for - * profiling data structures without (in practice) sacrificing - * any granularity. - */ -#define HASHFRACTION 2 - -/* - * Percent of text space to allocate for tostructs. - * This is a heuristic; we will fail with a warning when profiling programs - * with a very large number of very small functions, but that's - * normally OK. - * 2 is probably still a good value for normal programs. - * Profiling a test case with 64000 small functions will work if - * you raise this value to 3 and link statically (which bloats the - * text size, thus raising the number of arcs expected by the heuristic). - */ -#define ARCDENSITY 3 - -/* - * Always allocate at least this many tostructs. This - * hides the inadequacy of the ARCDENSITY heuristic, at least - * for small programs. - */ -#define MINARCS 50 - -/* - * The type used to represent indices into gmonparam.tos[]. - */ -#define ARCINDEX u_long - -/* - * Maximum number of arcs we want to allow. - * Used to be max representable value of ARCINDEX minus 2, but now - * that ARCINDEX is a long, that's too large; we don't really want - * to allow a 48 gigabyte table. - * The old value of 1<<16 wasn't high enough in practice for large C++ - * programs; will 1<<20 be adequate for long? FIXME - */ -#define MAXARCS (1 << 20) - -struct tostruct { - u_long selfpc; - long count; - ARCINDEX link; -}; - -/* - * a raw arc, with pointers to the calling site and - * the called site and a count. - */ -struct rawarc { - u_long raw_frompc; - u_long raw_selfpc; - long raw_count; -}; - -/* - * general rounding functions. - */ -#define ROUNDDOWN(x,y) (((x)/(y))*(y)) -#define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y)) - -/* - * The profiling data structures are housed in this structure. - */ -struct gmonparam { - long int state; - u_short *kcount; - u_long kcountsize; - ARCINDEX *froms; - u_long fromssize; - struct tostruct *tos; - u_long tossize; - ARCINDEX tolimit; - u_long lowpc; - u_long highpc; - u_long textsize; - u_long hashfraction; - long log_hashfraction; -}; - -/* - * Possible states of profiling. - */ -#define GMON_PROF_ON 0 -#define GMON_PROF_BUSY 1 -#define GMON_PROF_ERROR 2 -#define GMON_PROF_OFF 3 - -/* - * Sysctl definitions for extracting profiling information from the kernel. - */ -#define GPROF_STATE 0 /* int: profiling enabling variable */ -#define GPROF_COUNT 1 /* struct: profile tick count buffer */ -#define GPROF_FROMS 2 /* struct: from location hash bucket */ -#define GPROF_TOS 3 /* struct: destination/count structure */ -#define GPROF_GMONPARAM 4 /* struct: profiling parameters (see above) */ - -__BEGIN_DECLS - -/* Set up data structures and start profiling. */ -extern void __monstartup (u_long __lowpc, u_long __highpc) __THROW; -extern void monstartup (u_long __lowpc, u_long __highpc) __THROW; - -/* Clean up profiling and write out gmon.out. */ -extern void _mcleanup (void) __THROW; - -__END_DECLS - -#endif /* sys/gmon.h */ |