PAPI_num_events(3) Return the number of events in an event set.

SYNOPSIS


Detailed Description

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:

#include <papi.h>

 int PAPI_num_events(int  EventSet );

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(*

See Also:

PAPI_add_event

PAPI_create_eventset

Author

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