DOKK / manpages / debian 10 / libpapi-dev / PAPI_num_events.3.en
PAPI_num_events(3) PAPI PAPI_num_events(3)

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 .

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

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Fri Feb 22 2019 Version 5.7.0.0