PAPI  5.3.2.0
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PAPI_reset Class Reference

Reset the hardware event counts in an event set. More...

Detailed Description

@par C Prototype:
    \#include <papi.h> @n
    int PAPI_reset( int EventSet );

@param EventSet
    an integer handle for a PAPI event set as created by PAPI_create_eventset 

@retval PAPI_OK 
@retval PAPI_ESYS 
    A system or C library call failed inside PAPI, see the errno variable.
@retval PAPI_ENOEVST 
    The EventSet specified does not exist. 



PAPI_reset() zeroes the values of the counters contained in EventSet. 
This call assumes an initialized PAPI library and a properly added event set 

@par Example:
int EventSet = PAPI_NULL;
int Events[] = {PAPI_TOT_INS, PAPI_FP_OPS};
int ret;
// Create an empty EventSet
ret = PAPI_create_eventset(&EventSet);
if (ret != PAPI_OK) handle_error(ret);
// Add two events to our EventSet
ret = PAPI_add_events(EventSet, Events, 2);
if (ret != PAPI_OK) handle_error(ret);
// Start counting
ret = PAPI_start(EventSet);
if (ret != PAPI_OK) handle_error(ret);
// Stop counting, ignore values
ret = PAPI_stop(EventSet, NULL);
if (ret != PAPI_OK) handle_error(ret);
// reset the counters in this EventSet
ret = PAPI_reset(EventSet);
if (ret != PAPI_OK) handle_error(ret);
*
See Also
PAPI_create_eventset

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