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:CUPTI_SUCCESSCUPTI_ERROR_NOT_INITIALIZEDCUPTI_ERROR_INVALID_DEVICECUPTI_ERROR_INVALID_EVENT_DOMAIN_IDCUPTI_ERROR_INVALID_PARAMETER if valueSize or value is NULL, or ifattrib is not an event domain attributeCUPTI_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:CUPTI_SUCCESSCUPTI_ERROR_NOT_INITIALIZEDCUPTI_ERROR_INVALID_DEVICECUPTI_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 CUPTI User’s Guide DA-05679-001_v01 | 86
Return values:CUPTI_SUCCESSCUPTI_ERROR_NOT_INITIALIZEDCUPTI_ERROR_INVALID_CONTEXTCUPTI_ERROR_INVALID_PARAMETER is timestamp is NULLCUptiResult cuptiEnumEventDomains (size_t ∗ arraySizeBytes,CUpti_EventDomainID ∗ domainArray)Returns all the event domains available on any CUDA-capable device. Event domain IDsare returned in domainArray. The size of the domainArray buffer is given by∗arraySizeBytes. The size of the domainArray buffer must be at least numDomains ∗sizeof(CUpti_EventDomainID) or all domains will not be returned. The value returned in∗arraySizeBytes contains the number of bytes returned in domainArray.Parameters:arraySizeBytes The size of domainArray in bytes, and returns the number of byteswritten to domainArraydomainArray Returns all the event domainsReturn values:CUPTI_SUCCESSCUPTI_ERROR_INVALID_PARAMETER if arraySizeBytes or domainArray areNULLCUptiResult cuptiEventDomainEnumEvents(CUpti_EventDomainID eventDomain, size_t ∗arraySizeBytes, CUpti_EventID ∗ eventArray)Returns the event IDs in eventArray for a domain. The size of the eventArray buffer isgiven by ∗arraySizeBytes. The size of the eventArray buffer must be at leastnumdomainevents ∗ sizeof(CUpti_EventID) or else all events will not be returned. Thevalue returned in ∗arraySizeBytes contains the number of bytes returned in eventArray.Parameters:eventDomain ID of the event domainarraySizeBytes The size of eventArray in bytes, and returns the number of byteswritten to eventArrayeventArray Returns the IDs of the events in the domainCUDA Tools SDK CUPTI User’s Guide DA-05679-001_v01 | 87
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CUDA Tools SDKCUPTI User’s GuideD
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CUPTIThe CUDA Profiling Tools Inter
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CUPTI_CBID_RESOURCE_CONTEXT_CREATED
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twice each time any of the CUDA run
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device-specific limits. At any give
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Sampling EventsThe event API can al
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CapabilityEvent Name Description Ty
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CUPTI ReferenceCUPTI VersionDefines
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CUPTI Result CodesEnumerations◮ e
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CUPTI_ERROR_INVALID_METRIC_IDCUPTI_
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CUPTI_ACTIVITY_COMPUTE_API_OPENCL =
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size_t ∗validBufferSizeBytes)Quer
Page 36 and 37: CUPTI_ACTIVITY_MEMCPY_KIND_HTOAcopy
Page 38 and 39: CUptiResult cuptiActivityEnqueueBuf
Page 40 and 41: CUptiResult cuptiActivityGetNumDrop
Page 42 and 43: CUpti_Activity Type ReferenceThe ba
Page 44 and 45: CUpti_ActivityKind CUpti_ActivityAP
Page 46 and 47: Detailed DescriptionThis activity r
Page 48 and 49: uint32_t CUpti_ActivityDevice::maxI
Page 50 and 51: uint64_t CUpti_ActivityEvent::value
Page 52 and 53: Field Documentationint32_t CUpti_Ac
Page 54 and 55: uint16_t CUpti_ActivityKernel::regi
Page 56 and 57: uint8_t CUpti_ActivityMemcpy::copyK
Page 58 and 59: CUpti_ActivityMemset Type Reference
Page 60 and 61: CUpti_ActivityMetric Type Reference
Page 62 and 63: CUPTI Callback APIData Structures
Page 64 and 65: Enable or disabled all callbacks fo
Page 66 and 67: Enumerator:CUPTI_CBID_RESOURCE_INVA
Page 68 and 69: Parameters:enable New enable state
Page 70 and 71: CUptiResult cuptiUnsubscribe (CUpti
Page 72 and 73: context.uint32_t CUpti_CallbackData
Page 74 and 75: CUpti_ResourceData Type ReferenceDa
Page 76 and 77: CUPTI Event APIData Structures◮ s
Page 78 and 79: CUPTI_EVENT_GROUP_ATTR_NUM_EVENTS =
Page 80 and 81: ∗eventValueBuffer, size_t ∗even
Page 82 and 83: CUPTI_DEVICE_ATTR_MAX_EVENT_DOMAIN_
Page 84 and 85: CUPTI_EVENT_GROUP_ATTR_PROFILE_ALL_
Page 88 and 89: Return values:CUPTI_SUCCESSCUPTI_ER
Page 90 and 91: Parameters:device The CUDA deviceev
Page 92 and 93: Parameters:eventGroup The event gro
Page 94 and 95: flags Flags controlling the reading
Page 96 and 97: Return values:CUPTI_SUCCESSCUPTI_ER
Page 98 and 99: CUPTI_ERROR_INVALID_OPERATION if an
Page 100 and 101: CUPTI_METRIC_VALUE_KIND_PERCENT = 2
Page 102 and 103: enum CUpti_MetricCategoryEach metri
Page 104 and 105: metricArray Returns the IDs of the
Page 106 and 107: CUPTI_ERROR_NOT_INITIALIZEDCUPTI_ER
Page 108 and 109: CUPTI_ERROR_INVALID_PARAMETER if me
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CUPTI User's Guide

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