PAPI_num_events - Man Page

PAPI_num_events() returns the number of preset and/or native events contained in an event set. The event set should be created by PAPI_create_eventset .

C Interface:

Parameters

EventSet -- an integer handle for a PAPI event set created by PAPI_create_eventset.
*count -- (Fortran only) On output the variable contains the number of events in the event set

Return values

On success, this function returns the positive number of events in the event set.
PAPI_EINVAL The event count is zero; only if code is compiled with debug enabled.
PAPI_ENOEVST The EventSet specified does not exist.

Example

// Count the events in our EventSet 
printf(\"%d events found in EventSet.\\n\", PAPI_num_events(EventSet));

See also

PAPI_add_event

PAPI_create_eventset

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