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4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
86 lines
2.6 KiB
Groff
86 lines
2.6 KiB
Groff
.\" SPDX-License-Identifier: BSD-2-Clause
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.\"
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.\" Copyright (c) 2022 NetApp, Inc.
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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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.Dd February 18, 2022
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.Dt BOOTTRACE 8
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.Os
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.Sh NAME
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.Nm boottrace
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.Nd trace command execution with
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.Xr boottrace 4
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.Sh SYNOPSIS
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.Nm
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.Ar utility Op Ar argument ...
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.Sh DESCRIPTION
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The
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.Nm
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utility
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executes the specified
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.Ar utility ,
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creating two
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.Xr boottrace 4
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trace entries before and after its execution.
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.Sh ENVIRONMENT
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The
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.Ev PATH
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environment variable is used to locate the requested
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.Ar utility
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if the name contains no
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.Ql /
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characters.
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.Sh EXIT STATUS
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If
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.Ar utility
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was executed successfully, its exit status is returned.
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.Pp
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If
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.Ar utility
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was found but could not be executed, an exit status of 126 is returned.
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If
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.Ar utility
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could not be found, an exit status of 127 is returned.
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.Sh EXAMPLES
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Execute the
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.Xr dumpon 8
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utility, logging the trace entries:
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.Bd -literal -offset indent
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$ boottrace dumpon -z /dev/gpt/swap0
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.Ed
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.Pp
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This will appear in the output of the
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.Va kern.boottrace.log
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.Xr sysctl 8
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node:
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.Bd -literal
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CPU msecs delta process event PID CPUtime IBlks OBlks
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0 63918567 0 kernel sysinit 0x2100001 0 0.00 0 0
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[...]
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0 64076940 120605 boottrace dumpon start 1602 0.00 0 0
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0 64076942 2 boottrace dumpon done 1602 0.00 0 0
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.Ed
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.Sh SEE ALSO
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.Xr boottrace 4 ,
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.Xr rc.subr 8
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