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PMC_EVENT_NAMES_OF_CLASS(3) FreeBSD Library Functions Manual
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
argument 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
successful; 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 area to hold the result failed.
SEE ALSO
pmc(3), hwpmc(4)
FreeBSD 14.0-RELEASE-p11 November 23, 2007 FreeBSD 14.0-RELEASE-p11