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Describe pmc_event_names_of_class() in its own manual page.

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This commit is contained in:
Joseph Koshy 2007-11-23 12:30:55 +00:00
parent 1ddf079eed
commit 115cadfd60
2 changed files with 77 additions and 2 deletions
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4
lib/libpmc/Makefile
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@ -7,7 +7,8 @@ INCS= pmc.h pmclog.h
WARNS?= 6
MAN= pmc.3 pmc_allocate.3 pmc_disable.3 pmclog.3
MAN= pmc.3 pmc_allocate.3 pmc_disable.3 pmc_event_names_of_class.3
MAN+= pmclog.3
MLINKS+= \
pmc_allocate.3 pmc_release.3 \
@ -17,7 +18,6 @@ MLINKS+= \
pmc.3 pmc_cpuinfo.3 \
pmc.3 pmc_detach.3 \
pmc_disable.3 pmc_enable.3 \
pmc.3 pmc_event_names_of_class.3 \
pmc.3 pmc_flush_logfile.3 \
pmc.3 pmc_get_driver_stats.3 \
pmc.3 pmc_init.3 \

75
lib/libpmc/pmc_event_names_of_class.3 Normal file
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@ -0,0 +1,75 @@
.\" Copyright (c) 2007 Joseph Koshy. 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.
.\"
.\" This software is provided by Joseph Koshy ``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 Joseph Koshy 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.
.\"
.\" $FreeBSD$
.\"
.Dd November 23, 2007
.Os
.Dt PMC_EVENT_NAMES_OF_CLASS 3
.Sh NAME
.Nm pmc_event_names_of_class
.Nd return a list of event names supported by a PMC class.
.Sh LIBRARY
.Lb libpmc
.Sh SYNOPSIS
.In pmc.h
.Ft int
.Fo pmc_event_names_of_class
.Fa "enum pmc_class cl"
.Fa "const char ***eventnames"
.Fa "int *nevents"
.Fc
.Sh DESCRIPTION
Function
.Fn pmc_event_names_of_class
retrieves the hardware event names supported by the class of PMC hardware
specified by argument
.Fa cl .
.Pp
It returns an array of
.Vt "const char *"
pointers to names of events supported by the specified class of PMC
hardware.
The location pointed to by argument
.Fa nevents
is set to the number of event names returned.
.Pp
The returned array is allocated using
.Xr malloc 3 .
.Sh RETURN VALUES
.Rv -std pmc_event_names_of_class
.Sh ERRORS
A call to
.Fn pmc_event_names_of_class
may fail with the following errors:
.Bl -tag -width Er
.It Bq Er EINVAL
Argument
.Fa cl
was invalid.
.It Bq Er ENOMEM
Allocation of a memory arena to hold the result failed.
.El
.Sh SEE ALSO
.Xr pmc 3 ,
.Xr hwpmc 4