PAPI_reset (3) Linux Manual Page

PAPI_reset –

Reset the hardware event counts in an event set.

Synopsis

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

Author

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