void init(void)
{
gProcessorSpeed = getClockSpeed();
gProcessorRecip = 1.0f / (NxF32) gProcessorSpeed;
gCurrentTime = 0;
QueryPerformanceCounter((LARGE_INTEGER *) &gLastTimeRTDSC);
//gLastTimeRTDSC = Cycle::getRTDSC();
}
/* hardware or reads values from the operatings system. */
static int
nvml_hardware_read( long long *value, int which_one)
//, nvml_context_t *ctx)
{
nvml_native_event_entry_t *entry;
nvmlDevice_t handle;
int cudaIdx = -1;
entry = &nvml_native_table[which_one];
*value = (long long) -1;
/* replace entry->resources with the current cuda_device->nvml device */
cudaGetDevice( &cudaIdx );
if ( cudaIdx < 0 || cudaIdx > device_count )
return PAPI_EINVAL;
/* Make sure the device we are running on has the requested event */
if ( !HAS_FEATURE( features[cudaIdx] , entry->type) )
return PAPI_EINVAL;
handle = devices[cudaIdx];
switch (entry->type) {
case FEATURE_CLOCK_INFO:
*value = getClockSpeed( handle,
(nvmlClockType_t)entry->options.clock );
break;
case FEATURE_ECC_LOCAL_ERRORS:
*value = getEccLocalErrors( handle,
(nvmlEccBitType_t)entry->options.ecc_opts.bits,
(int)entry->options.ecc_opts.which_one);
break;
case FEATURE_FAN_SPEED:
*value = getFanSpeed( handle );
break;
case FEATURE_MAX_CLOCK:
*value = getMaxClockSpeed( handle,
(nvmlClockType_t)entry->options.clock );
break;
case FEATURE_MEMORY_INFO:
*value = getMemoryInfo( handle,
(int)entry->options.which_one );
break;
case FEATURE_PERF_STATES:
*value = getPState( handle );
break;
case FEATURE_POWER:
*value = getPowerUsage( handle );
break;
case FEATURE_TEMP:
*value = getTemperature( handle );
break;
case FEATURE_ECC_TOTAL_ERRORS:
*value = getTotalEccErrors( handle,
(nvmlEccBitType_t)entry->options.ecc_opts.bits );
break;
case FEATURE_UTILIZATION:
*value = getUtilization( handle,
(int)entry->options.which_one );
break;
default:
return PAPI_EINVAL;
}
return PAPI_OK;
}
