2007-11-24 11:05:36 +00:00
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.\" 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 Joseph Koshy ``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 Joseph Koshy 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 24, 2007
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.Dt PMC_NAME_OF_CAPABILITY 3
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2010-04-14 19:08:06 +00:00
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.Os
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2007-11-24 11:05:36 +00:00
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.Sh NAME
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.Nm pmc_name_of_capability ,
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.Nm pmc_name_of_class ,
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.Nm pmc_name_of_cputype ,
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.Nm pmc_name_of_disposition ,
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.Nm pmc_name_of_event ,
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.Nm pmc_name_of_mode ,
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.Nm pmc_name_of_state
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.Nd human readable names for numeric constants used by
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.Xr pmc 3
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and
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.Xr hwpmc 4
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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 "const char *"
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.Fn pmc_name_of_capability "enum pmc_caps pc"
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.Ft "const char *"
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.Fn pmc_name_of_class "enum pmc_class pc"
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.Ft "const char *"
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.Fn pmc_name_of_cputype "enum pmc_cputype ct"
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.Ft "const char *"
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.Fn pmc_name_of_disposition "enum pmc_disp pd"
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.Ft "const char *"
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.Fn pmc_name_of_event "enum pmc_event pe"
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.Ft "const char *"
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.Fn pmc_name_of_mode "enum pmc_mode pm"
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.Ft "const char *"
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.Fn pmc_name_of_state "enum pmc_state ps"
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.Sh DESCRIPTION
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These convenience functions translate numeric constants used by the
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.Lb libpmc
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to
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.Vt "const char *"
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pointers to human readable representations of their arguments.
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.Pp
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Function
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.Fn pmc_name_of_capability
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translates a PMC capability flag given in argument
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.Fa pc
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to a human readable string.
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PMC capabilities are described in
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.Xr pmc 3 .
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.Pp
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Function
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.Fn pmc_name_of_class
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translates the PMC class value specified in argument
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.Fa pc
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to a human readable name.
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PMC classes are described in
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.Xr pmc 3 .
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.Pp
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Function
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.Fn pmc_name_of_cputype
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translates the CPU type value specified in argument
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.Fa ct
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to a human readable name.
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CPU types known to the library are described in
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.Xr pmc 3 .
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.Pp
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Function
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.Fn pmc_name_of_disposition
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translates the PMC row disposition specified in argument
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.Fa pd
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to a human readable name.
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PMC row dispositions are described in
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.Xr hwpmc 4 .
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.Pp
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Function
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.Fn pmc_name_of_event
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translates the PMC event number specified by argument
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.Fa pe
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to a string.
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PMC event names are documented in section
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.Sx EVENT SPECIFIERS
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of
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.Xr pmc 3 .
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.Pp
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Function
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.Fn pmc_name_of_mode
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translates the PMC mode specified by argument
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.Fa pm
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to a human readable string.
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PMC modes are described in
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.Xr pmc 3 .
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.Pp
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Function
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.Fn pmc_name_of_state
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translates the value of argument
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.Fa ps
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to a human readable name.
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.Sh IMPLEMENTATION NOTES
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The returned pointers point to static storage inside the PMC
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library and should not be freed by the caller.
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.Sh RETURN VALUES
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These functions return a non-NULL pointer on successful completion.
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In case of an error, a NULL pointer is returned and the global
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variable
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.Va errno
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is set to indicate the error.
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.Sh ERRORS
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A call to these functions 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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The function argument specified an invalid value.
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.El
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.Sh SEE ALSO
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.Xr pmc 3 ,
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.Xr pmc_cpuinfo 3 ,
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.Xr pmc_pmcinfo 3 ,
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.Xr hwpmc 4
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