NAME

       PAPI_stop - Stop counting hardware events in an event set.

SYNOPSIS

Detailed Description

       C Interface:
           #include <papi.h>
            int PAPI_stop( int  EventSet, long long * values );

       Parameters
           EventSet -- an integer handle for a PAPI event set as created by PAPI_create_eventset
           values -- an array to hold the counter values of the counting events

       Return values
           PAPI_OK
           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_ENOTRUN The EventSet is currently not running.

       PAPI_stop halts the counting of a previously defined event set and the counter values
       contained in that EventSet are copied into the values array Assumes an initialized PAPI
       library and a properly added event set.

       Example:

           int EventSet = PAPI_NULL;
           long long values[2];
           int ret;

           ret = PAPI_create_eventset(&EventSet);
           if (ret != PAPI_OK) handle_error(ret);

           // Add Total Instructions Executed to our EventSet
           ret = PAPI_add_event(EventSet, PAPI_TOT_INS);
           if (ret != PAPI_OK) handle_error(ret);

           // Start counting
           ret = PAPI_start(EventSet);
           if (ret != PAPI_OK) handle_error(ret);
           poorly_tuned_function();
           ret = PAPI_stop(EventSet, values);
           if (ret != PAPI_OK) handle_error(ret);
           printf("%lld\\n",values[0]);

       See also
           PAPI_create_eventset PAPI_start

Author

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