* Copyright (c) 1988, 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
* 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
static char copyright
[] =
"@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
static char sccsid
[] = "@(#)ktrace.c 8.1 (Berkeley) 6/6/93";
enum { NOTSET
, CLEAR
, CLEARALL
} clear
;
int append
, ch
, fd
, inherit
, ops
, pid
, pidset
, trpoints
;
append
= ops
= pidset
= inherit
= 0;
tracefile
= DEF_TRACEFILE
;
while ((ch
= getopt(argc
,argv
,"aCcdf:g:ip:t:")) != EOF
)
trpoints
= getpoints(optarg
);
"ktrace: unknown facility in %s\n", optarg
);
if (pidset
&& *argv
|| !pidset
&& !*argv
)
trpoints
|= KTRFAC_INHERIT
;
ops
= KTROP_CLEAR
| KTRFLAG_DESCEND
;
ops
|= pid
? KTROP_CLEAR
: KTROP_CLEARFILE
;
if (ktrace(tracefile
, ops
, trpoints
, pid
) < 0)
if ((fd
= open(tracefile
, O_CREAT
| O_WRONLY
| (append
? 0 : O_TRUNC
),
if (ktrace(tracefile
, ops
, trpoints
, getpid()) < 0)
execvp(argv
[0], &argv
[0]);
else if (ktrace(tracefile
, ops
, trpoints
, pid
) < 0)
"ktrace: only one -g or -p flag is permitted.\n");
(void)fprintf(stderr
, "ktrace: illegal process id.\n");
(void)fprintf(stderr
, "ktrace: %s: %s.\n", name
, strerror(errno
));
"usage:\tktrace [-aCcid] [-f trfile] [-g pgid] [-p pid] [-t [acgn]\n\tktrace [-aCcid] [-f trfile] [-t [acgn] command\n");