doc/ja_JP.eucJP/man/man2/ktrace.2

.\" Copyright (c) 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.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 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.
.\"
.\"     @(#)ktrace.2	8.1 (Berkeley) 6/4/93
.\" %FreeBSD: src/lib/libc/sys/ktrace.2,v 1.17 2001/10/01 16:09:02 ru Exp %
.\"
.\" $FreeBSD$
.Dd June 4, 1993
.Dt KTRACE 2
.Os
.Sh ̾¾Î
.Nm ktrace
.Nd ¥×¥í¥»¥¹¤Î¥È¥ì¡¼¥¹
.Sh ¥é¥¤¥Ö¥é¥ê
.Lb libc
.Sh ½ñ¼°
.In sys/param.h
.In sys/time.h
.In sys/uio.h
.In sys/ktrace.h
.Ft int
.Fn ktrace "const char *tracefile" "int ops" "int trpoints" "int pid"
.Sh ²òÀâ
.Fn ktrace
´Ø¿ô¤Ï¡¢1 ¤Ä¤Þ¤¿¤ÏÊ£¿ô¤Î¥×¥í¥»¥¹¤Î¥È¥ì¡¼¥¹¤òÍ­¸ú¤Þ¤¿¤Ï̵¸ú¤Ë¤·¤Þ¤¹¡£
¥æ¡¼¥¶¤Ï¼«Ê¬¤Î¥×¥í¥»¥¹¤À¤±¤ò¥È¥ì¡¼¥¹¤Ç¤­¤Þ¤¹¡£
¥¹¡¼¥Ñ¥æ¡¼¥¶¤À¤±¤¬¡¢setuid ¥×¥í¥°¥é¥à¤Þ¤¿¤Ï
setgid ¥×¥í¥°¥é¥à¤ò¥È¥ì¡¼¥¹¤Ç¤­¤Þ¤¹¡£
.Pp
.Fa tracefile
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¸Æ¤Ó½Ð¤·Â¦¥×¥í¥»¥¹¤Ë¤è¤Ã¤Æ½ñ¹þ¤ß²Äǽ¤ÊÄ̾ï¥Õ¥¡¥¤¥ë¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
¥È¥ì¡¼¥¹¥ì¥³¡¼¥É¤Ï¤¹¤Ù¤Æ¥Õ¥¡¥¤¥ë¤ÎËöÈø¤ËÄɲ䵤ì¤ë¤Î¤Ç¡¢
ľÁ°¤Î¥È¥ì¡¼¥¹¥Ç¡¼¥¿¤òÀÚ¤ê¼Î¤Æ¤ë¤¿¤á¤Ë¤Ï¥Õ¥¡¥¤¥ë¤ÎŤµ¤ò 0 ¤Ë¤¹¤ëɬÍפ¬
¤¢¤ê¤Þ¤¹¡£
¥È¥ì¡¼¥¹ÅÀ¤¬Ìµ¸ú¤Ê¾ì¹ç (¸å½Ò¤Î KTROP_CLEAR ¤ò»²¾È)¡¢
.Fa tracefile
¤Ï NULL ¤Ë¤Ç¤­¤Þ¤¹¡£
.Pp
.Fa ops
¥Ñ¥é¥á¡¼¥¿¤ÏÍ׵ᤵ¤ì¤¿ ktrace Áàºî¤ò»ØÄꤷ¤Þ¤¹¡£
ÄêµÁ¤µ¤ì¤Æ¤¤¤ëÁàºî¤Ï¼¡¤Î¤È¤ª¤ê¤Ç¤¹:
.Bl -column KTRFLAG_DESCENDXXX -offset indent
.It "KTROP_SET	"
.Fa trpoints
¤Ç»ØÄꤵ¤ì¤¿¥È¥ì¡¼¥¹ÅÀ¤òÍ­¸ú¤Ë¤·¤Þ¤¹¡£
.It "KTROP_CLEAR	"
.Fa trpoints
¤Ç»ØÄꤵ¤ì¤¿¥È¥ì¡¼¥¹ÅÀ¤ò̵¸ú¤Ë¤·¤Þ¤¹¡£
.It "KTROP_CLEARFILE	¤¹¤Ù¤Æ¤Î¥È¥ì¡¼¥¹¤òÄä»ß¤·¤Þ¤¹¡£"
.It "KTRFLAG_DESCEND	¥È¥ì¡¼¥¹¤ÎÊѹ¹¤¬¡¢»ØÄê¤Î¥×¥í¥»¥¹¤È¤½¤Î¸½ºß¤Î"
¤¹¤Ù¤Æ¤Î»Ò¥×¥í¥»¥¹¤ËŬÍѤµ¤ì¤Þ¤¹¡£
.El
.Pp
.Fa trpoints
¥Ñ¥é¥á¡¼¥¿¤Ï´Ø¿´¤Î¤¢¤ë¥È¥ì¡¼¥¹ÅÀ¤ò»ØÄꤷ¤Þ¤¹¡£
ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¥È¥ì¡¼¥¹ÅÀ¤Ï¼¡¤Î¤È¤ª¤ê¤Ç¤¹:
.Bl -column KTRFAC_SYSCALLXXX -offset indent
.It "KTRFAC_SYSCALL	¥·¥¹¥Æ¥à¥³¡¼¥ë¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£"
.It "KTRFAC_SYSRET	¥·¥¹¥Æ¥à¥³¡¼¥ë¤«¤é¤ÎÌá¤êÃͤò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£"
.It "KTRFAC_NAMEI	¥Ñ¥¹Ì¾¤Îõº÷Áàºî¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£"
.It "KTRFAC_GENIO	¤¹¤Ù¤Æ¤ÎÆþ½ÐÎϤò¥È¥ì¡¼¥¹¤·¤Þ¤¹"
(¤³¤Î¥ª¥×¥·¥ç¥ó¤¬ÂçÎ̤νÐÎϤòÀ¸À®¤¹¤ë²ÄǽÀ­¤¬¤¢¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤)¡£
.It "KTRFAC_PSIG	¥Ý¥¹¥È¤µ¤ì¤¿¥·¥°¥Ê¥ë¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£"
.It "KTRFAC_CSW	¥³¥ó¥Æ¥­¥¹¥È¥¹¥¤¥Ã¥Á¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£"
.It "KTRFAC_INHERIT	¤³¤ì°Ê¹ß¤Î»Ò¤Ë¥È¥ì¡¼¥¹¤ò·Ñ¾µ¤·¤Þ¤¹¡£"
.El
.Pp
³Æ¥È¥ì¡¼¥¹¥¤¥Ù¥ó¥È¤Ï¡¢ÈÆÍѤΥإåÀ¤Î¸å¤Ë
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ÈÆÍѤΥإåÀ¤Ï¼¡¤Î¤È¤ª¤ê¤Ç¤¹:
.Bd -literal
struct ktr_header {
	int	ktr_len;		/* ¥Ð¥Ã¥Õ¥¡¤ÎŤµ */
	short	ktr_type;		/* ¥È¥ì¡¼¥¹¥ì¥³¡¼¥É¤Î¥¿¥¤¥× */
	pid_t	ktr_pid;		/* ¥×¥í¥»¥¹ ID */
	char	ktr_comm[MAXCOMLEN+1];	/* ¥³¥Þ¥ó¥É̾ */
	struct	timeval ktr_time;	/* ¥¿¥¤¥à¥¹¥¿¥ó¥× */
	caddr_t	ktr_buf;
};
.Ed
.Pp
.Va ktr_len
¥Õ¥£¡¼¥ë¥É¤Ï¤³¤Î¥Ø¥Ã¥À¤Ë³¤¯
.Va ktr_type
¥Ç¡¼¥¿¤ÎŤµ¤ò¼¨¤·¤Þ¤¹¡£
.Va ktr_pid
¥Õ¥£¡¼¥ë¥É¤È
.Va ktr_comm
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.Va ktr_time
¥Õ¥£¡¼¥ë¥É¤Ï¡¢
¥ì¥³¡¼¥É¤¬À¸À®¤µ¤ì¤¿»þ¹ï¤ò (¥Þ¥¤¥¯¥íÉÃñ°Ì¤Ç) ¼¨¤·¤Þ¤¹¡£
.Va ktr_buf
¤Ï¡¢ÆâÉô¥«¡¼¥Í¥ë¥Ý¥¤¥ó¥¿¤Ç¤¢¤Ã¤ÆÍ­ÍѤǤϤ¢¤ê¤Þ¤»¤ó¡£
.Pp
ÈÆÍѥإåÀ¤Ë¤Ï
.Va ktr_len
¥Ð¥¤¥È¤ÎŤµ¤Î
.Va ktr_type
¥ì¥³¡¼¥É¤¬Â³¤­¤Þ¤¹¡£
¥¿¥¤¥×¤Ë¸ÇÍ­¤Î¥ì¥³¡¼¥É¤Ï
.Aq Pa sys/ktrace.h
¥¤¥ó¥¯¥ë¡¼¥É¥Õ¥¡¥¤¥ëÆâ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
.Sh Ìá¤êÃÍ
.Rv -std ktrace
.Sh ¥¨¥é¡¼
.Fn ktrace
¤Ï¼¡¤Î¾ì¹ç¤Ë¼ºÇÔ¤·¤Þ¤¹:
.Bl -tag -width Er
.It Bq Er ENOTDIR
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.It Bq Er ENAMETOOLONG
¥Ñ¥¹Ì¾¤Î¹½À®Í×ÁǤ¬ 255 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤ë¤«¡¢
¤Þ¤¿¤Ï¥Ñ¥¹Ì¾Á´ÂΤ¬ 1023 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤Þ¤¹¡£
.It Bq Er ENOENT
»ØÄê¤Î¥È¥ì¡¼¥¹¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Þ¤»¤ó¡£
.It Bq Er EACCES
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.It Bq Er ELOOP
¥Ñ¥¹Ì¾¤òÊÑ´¹¤¹¤ë¤È¤­¤Ë¸¡½Ð¤µ¤ì¤¿¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤¬Â¿¤¹¤®¤Þ¤¹¡£
.It Bq Er EIO
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ËÆɤ߽ñ¤­¤·¤Æ¤¤¤ë´Ö¤ËÆþ½ÐÎÏ¥¨¥é¡¼¤¬È¯À¸¤·¤Þ¤·¤¿¡£
.It Bq Er ENOSYS
¥«¡¼¥Í¥ë¤¬
.Nm
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.El
.Sh ´ØÏ¢¹àÌÜ
.Xr kdump 1 ,
.Xr ktrace 1
.Sh Îò»Ë
.Fn ktrace
´Ø¿ô¤Ï
.Bx 4.4
¤Ç¤Ï¤¸¤á¤ÆÅо줷¤Þ¤·¤¿¡£