PAPI_num_events man page
PAPI_num_events — Return the number of events in an event set.
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 .
int PAPI_num_events(int EventSet );
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.
// Count the events in our EventSet printf(
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