91 lines
2.7 KiB
Groff
91 lines
2.7 KiB
Groff
.\"-
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.\" Copyright (c) 2002 Chad David
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd March 8, 2005
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.Dt KTRDUMP 8
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.Os
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.Sh NAME
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.Nm ktrdump
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.Nd print kernel ktr trace buffer
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.Sh SYNOPSIS
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.Nm
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.Op Fl cfqrt
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.Op Fl e Ar execfile
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.Op Fl i Ar ktrfile
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.Op Fl m Ar corefile
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.Op Fl o Ar outfile
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.Sh DESCRIPTION
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The
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.Nm
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utility is used to dump the contents of the kernel ktr trace buffer.
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.Pp
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The following options are available:
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.Bl -tag -width ".Fl e Ar execfile"
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.It Fl c
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Print the CPU number that each entry was logged from.
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.It Fl f
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Print the file and line number that each entry was logged from.
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.It Fl q
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Quiet mode; do not print the column header.
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.It Fl r
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Print relative timestamps rather than absolute timestamps.
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.It Fl t
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Print the timestamp for each entry.
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.It Fl i Ar ktrfile
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File containing saved ktr trace events; for more information see the
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.Xr ktr 4
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manual page.
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.It Fl e Ar execfile
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The kernel image to resolve symbols from.
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The default is the value returned via
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.Xr getbootfile 3 .
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.It Fl m Ar corefile
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The core file or memory image to read from.
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The default is
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.Pa /dev/mem .
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.It Fl o Ar outfile
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The file to write the output to.
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The default is standard output.
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.El
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.Sh SEE ALSO
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.Xr ktr 4 ,
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.Xr ktr 9
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 5.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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utility was implemented by
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.An Jake Burkholder Aq jake@FreeBSD.org .
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.Pp
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This manual page was written by
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.An Chad David Aq davidc@FreeBSD.org .
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