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

NAME

       PAPI_set_granularity -

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

SYNOPSIS

Detailed Description

       @par C Prototype:
               int PAPI_set_granularity( int granularity );

       @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

       Return values:
           PAPI_OK
           PAPI_EINVAL One or more of the arguments is invalid.

       PAPI_set_granularity sets the default counting granularity for all new event sets created
       by PAPI_create_eventset. This call implicitly sets the granularity for the cpu component
       (component 0) and is included to preserve backward compatibility.

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

       See Also:
           PAPI_set_cmp_granularity PAPI_set_domain PAPI_set_opt PAPI_get_opt

Author

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