026dbd291e
Advantages: - Reduces the number of different license versions in the tree - Eliminates a typo - Removes some incorrect author attributions due to c/p - Removes c/p error potential for future pmc manpages Approved by: jkoshy, gnn, rpaulo, fabient (copyright holders) MFC after: 1 week
76 lines
2.4 KiB
Groff
76 lines
2.4 KiB
Groff
.\" Copyright (c) 2007 Joseph Koshy. 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 November 23, 2007
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.Dt PMC_EVENT_NAMES_OF_CLASS 3
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.Os
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.Sh NAME
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.Nm pmc_event_names_of_class
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.Nd return a list of event names supported by a PMC class.
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.Sh LIBRARY
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.Lb libpmc
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.Sh SYNOPSIS
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.In pmc.h
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.Ft int
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.Fo pmc_event_names_of_class
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.Fa "enum pmc_class cl"
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.Fa "const char ***eventnames"
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.Fa "int *nevents"
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.Fc
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.Sh DESCRIPTION
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Function
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.Fn pmc_event_names_of_class
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retrieves the hardware event names supported by the class of PMC hardware
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specified by argument
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.Fa cl .
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.Pp
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It returns an array of
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.Vt "const char *"
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pointers to names of events supported by the specified class of PMC
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hardware.
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The location pointed to by argument
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.Fa nevents
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is set to the number of event names returned.
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.Pp
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The returned array is allocated using
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.Xr malloc 3 .
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.Sh RETURN VALUES
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.Rv -std pmc_event_names_of_class
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.Sh ERRORS
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A call to
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.Fn pmc_event_names_of_class
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may fail with the following errors:
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.Bl -tag -width Er
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.It Bq Er EINVAL
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Argument
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.Fa cl
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was invalid.
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.It Bq Er ENOMEM
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Allocation of a memory area to hold the result failed.
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.El
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.Sh SEE ALSO
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.Xr pmc 3 ,
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.Xr hwpmc 4
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