PAPI_num_events Class Reference

Return the number of events in an event set. More...

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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:

[in]	EventSet	-- an integer handle for a PAPI event set created by PAPI_create_eventset().
[out]	*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));

Bug:

This function has no known bugs.

See also:

PAPI_add_event

PAPI_create_eventset

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The documentation for this class was generated from the following file:

• papi.c