Provided by: libpapi-dev_5.3.0-3_amd64 bug

NAME

       PAPI_set_cmp_granularity -

       Set the default counting granularity for eventsets bound to the specified component.

SYNOPSIS

Detailed Description

       @par C Prototype:
               int PAPI_set_cmp_granularity( int granularity, int cidx );

       @param granularity one of the following constants as defined in the papi.h header file
       @arg PAPI_GRN_THR   Count each individual thread
       @arg PAPI_GRN_PROC  Count each individual process
       @arg PAPI_GRN_PROCG Count each individual process group
       @arg PAPI_GRN_SYS   Count the current CPU
       @arg PAPI_GRN_SYS_CPU   Count all CPUs individually
       @arg PAPI_GRN_MIN   The finest available granularity
       @arg PAPI_GRN_MAX   The coarsest available granularity

       @param cidx
           An integer identifier for a component.
           By convention, component 0 is always the cpu component.

       Return values:
           PAPI_OK
           PAPI_EINVAL One or more of the arguments is invalid.
           PAPI_ENOCMP The argument cidx is not a valid component.

       PAPI_set_cmp_granularity sets the default counting granularity for all new event sets, and
       requires an explicit component argument. Event sets that are already in existence are not
       affected.

       To change the granularity of an existing event set, please see PAPI_set_opt. The reader
       should note that the granularity of an event set affects only the mode in which the
       counter continues to run.

       Example:

           int ret;

           // Initialize the library
           ret = PAPI_library_init(PAPI_VER_CURRENT);
           if (ret > 0 && ret != PAPI_VER_CURRENT) {
             fprintf(stderr,"PAPI library version mismatch!0);
             exit(1);
           }
           if (ret < 0) handle_error(ret);

           // Set the default granularity for the cpu component
           ret = PAPI_set_cmp_granularity(PAPI_GRN_PROC, 0);
           if (ret != PAPI_OK) handle_error(ret);
           ret = PAPI_create_eventset(&EventSet);
           if (ret != PAPI_OK) handle_error(ret);
            *

       See Also:
           PAPI_set_granularity PAPI_set_domain PAPI_set_opt PAPI_get_opt

Author

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