PAPI_num_events (3) Linux Manual Page
PAPI_num_events –
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