PAPI_num_events
Return the number of events in an event set.
- Provided by: libpapi-dev (Version: 7.1.0-5build1)
- Source: papi
- Report a bug
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 );
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
*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.
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));
See also
PAPI_add_event
PAPI_create_eventset
Author
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