pmc_event_names_of_class man page on FreeBSD

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PMC_EVENT_NAMES_OF_CL... BSD Library Functions Manual PMC_EVENT_NAMES_OF_CL...

NAME
     pmc_event_names_of_class — return a list of event names supported by a
     PMC class.

LIBRARY
     Performance Counters Library (libpmc, -lpmc)

SYNOPSIS
     #include <pmc.h>

     int
     pmc_event_names_of_class(enum pmc_class cl, const char ***eventnames,
	 int *nevents);

DESCRIPTION
     Function pmc_event_names_of_class() retrieves the hardware event names
     supported by the class of PMC hardware specified by argument cl.

     It returns an array of const char * pointers to names of events supported
     by the specified class of PMC hardware.  The location pointed to by argu‐
     ment nevents is set to the number of event names returned.

     The returned array is allocated using malloc(3).

RETURN VALUES
     The pmc_event_names_of_class() function returns the value 0 if success‐
     ful; otherwise the value -1 is returned and the global variable errno is
     set to indicate the error.

ERRORS
     A call to pmc_event_names_of_class() may fail with the following errors:

     [EINVAL]		Argument cl was invalid.

     [ENOMEM]		Allocation of a memory arena to hold the result
			failed.

SEE ALSO
     pmc(3), hwpmc(4)

BSD			       November 23, 2007			   BSD
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