Start counting hardware events in an event set. More...
|EventSet||– an integer handle for a PAPI event set as created by PAPI_create_eventset|
|PAPI_EINVAL||– One or more of the arguments is invalid.|
|PAPI_ESYS||– A system or C library call failed inside PAPI, see the errno variable.|
|PAPI_ENOEVST||– The EventSet specified does not exist.|
|PAPI_EISRUN||– The EventSet is currently counting events.|
|PAPI_ECNFLCT||– The underlying counter hardware can not count this event and other events in the EventSet simultaneously.|
|PAPI_ENOEVNT||– The PAPI preset is not available on the underlying hardware.|
PAPI_start starts counting all of the hardware events contained in the previously defined EventSet. All counters are implicitly set to zero before counting. Assumes an initialized PAPI library and a properly added event set.