starpu-max/tests/perfmodels/papi.c

/*****************************************************************************
 * This example shows how to use PAPI_add_event, PAPI_start, PAPI_read,       *
 *  PAPI_stop and PAPI_remove_event.                                          *
 ******************************************************************************/
 
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <nvml.h>
#include <cuda.h>
#include <cuda_runtime.h>


#define NUM_EVENTS 2
#define ERROR_RETURN(retval) { fprintf(stderr, "Error %d %s:line %d: \n", retval,__FILE__,__LINE__);  exit(retval); }

const char* event_names[] = { "rapl:::PACKAGE_ENERGY:PACKAGE0",

                              "rapl:::DRAM_ENERGY:PACKAGE0"};

int main()
{
               

	
	int i, retval;

	/*This is where we store the values we read from the eventset */
    
	/* We use number to keep track of the number of events in the EventSet */ 
	//int deviceCount;
        	
        /************************************************************/
	unsigned long long energy_begin, energy_end;
        nvmlDevice_t device;
	

	/*retval = nvmlDeviceGetCount_v2 ( & deviceCount ) ;
	if(retval != 0){
		printf("error getting nvml number of devices\n");
		exit (0);
	}*/

	//energy_begin = (long long*)malloc(device * sizeof(long long));
	//energy_end = (long long*)malloc(device * sizeof(long long));
	/************************************************************/

       	retval = nvmlDeviceGetHandleByIndex_v2 (0,  &device);
	retval = nvmlDeviceGetTotalEnergyConsumption ( device, &energy_begin );

   
	/* you can replace your code here */
		  
        int j;
	for( i = 0; i < 2000000000; i++) { j += i;}
            sleep ( 10 );
 
 
       // retval = nvmlDeviceGetHandleByIndex_v2 (0,  &device);
	retval = nvmlDeviceGetTotalEnergyConsumption ( device, &energy_end );
         
       //energy est caclule en mJ
        /***********************************************************/
	printf("energy consumptionnnnnnnnnn on device %d is %lld mJ \n", 0, (energy_end - energy_begin));
	/*********************************************************/
	
 
	exit(0);
}