CUPTI User's Guide
CUPTI User's Guide
CUPTI User's Guide
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valueSize The size of the value buffer in bytes, and returns the number of byteswritten to valuevalue Returns the attribute’s valueReturn values:<strong>CUPTI</strong>_SUCCESS<strong>CUPTI</strong>_ERROR_NOT_INITIALIZED<strong>CUPTI</strong>_ERROR_INVALID_DEVICE<strong>CUPTI</strong>_ERROR_INVALID_EVENT_DOMAIN_ID<strong>CUPTI</strong>_ERROR_INVALID_PARAMETER if valueSize or value is NULL, or ifattrib is not an event domain attribute<strong>CUPTI</strong>_ERROR_PARAMETER_SIZE_NOT_SUFFICIENT For non-c-stringattribute values, indicates that the value buffer is too small to hold the attributevalue.CUptiResult cuptiDeviceGetNumEventDomains (CUdevice device,uint32_t ∗ numDomains)Returns the number of domains in numDomains for a device.Parameters:device The CUDA devicenumDomains Returns the number of domainsReturn values:<strong>CUPTI</strong>_SUCCESS<strong>CUPTI</strong>_ERROR_NOT_INITIALIZED<strong>CUPTI</strong>_ERROR_INVALID_DEVICE<strong>CUPTI</strong>_ERROR_INVALID_PARAMETER if numDomains is NULLCUptiResult cuptiDeviceGetTimestamp (CUcontext context,uint64_t ∗ timestamp)Returns the device timestamp in ∗timestamp. The timestamp is reported in nanosecondsand indicates the time since the device was last reset.Parameters:context A context on the device from which to get the timestamptimestamp Returns the device timestampCUDA Tools SDK <strong>CUPTI</strong> User’s <strong>Guide</strong> DA-05679-001_v01 | 86
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