CUPTI User's Guide

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∗eventValueBuffer, size_t ∗eventIdArraySizeBytes, CUpti_EventID ∗eventIdArray,size_t ∗numEventIdsRead)Read the values for all the events in an event group.◮ CUptiResult cuptiEventGroupReadEvent (CUpti_EventGroup eventGroup,CUpti_ReadEventFlags flags, CUpti_EventID event, size_t∗eventValueBufferSizeBytes, uint64_t ∗eventValueBuffer)Read the value for an event in an event group.◮ CUptiResult cuptiEventGroupRemoveAllEvents (CUpti_EventGroup eventGroup)Remove all events from an event group.◮ CUptiResult cuptiEventGroupRemoveEvent (CUpti_EventGroup eventGroup,CUpti_EventID event)Remove an event from an event group.◮ CUptiResult cuptiEventGroupResetAllEvents (CUpti_EventGroup eventGroup)Zero all the event counts in an event group.◮ CUptiResult cuptiEventGroupSetAttribute (CUpti_EventGroup eventGroup,CUpti_EventGroupAttribute attrib, size_t valueSize, void ∗value)Write an event group attribute.◮ CUptiResult cuptiEventGroupSetsCreate (CUcontext context, size_teventIdArraySizeBytes, CUpti_EventID ∗eventIdArray, CUpti_EventGroupSets∗∗eventGroupPasses)For a set of events, get the grouping that indicates the number of passes and the eventgroups necessary to collect the events.◮ CUptiResult cuptiEventGroupSetsDestroy (CUpti_EventGroupSets∗eventGroupSets)Destroy a CUpti_EventGroupSets object.◮ CUptiResult cuptiGetNumEventDomains (uint32_t ∗numDomains)Get the number of event domains available on any device.◮ CUptiResult cuptiGetTimestamp (uint64_t ∗timestamp)Get the CUPTI timestamp.CUDA Tools SDK CUPTI User’s Guide DA-05679-001_v01 | 80
◮ CUptiResult cuptiSetEventCollectionMode (CUcontext context,CUpti_EventCollectionMode mode)Set the event collection mode.Define Documentation#defineCUPTI_EVENT_OVERFLOW ((uint64_t)0xFFFFFFFFFFFFFFFFULL)The CUPTI event value that indicates an overflow.Typedef Documentationtypedef uint32_t CUpti_EventDomainIDID for an event domain. An event domain represents a group of related events. A devicemay have multiple instances of a domain, indicating that the device can simultaneouslyrecord multiple instances of each event within that domain.typedef void∗ CUpti_EventGroupAn event group is a collection of events that are managed together. All events in an eventgroup must belong to the same domain.typedef uint32_t CUpti_EventIDAn event represents a countable activity, action, or occurrence on the device.Enumeration Type Documentationenum CUpti_DeviceAttributeCUPTI device attributes. These attributes can be read using cuptiDeviceGetAttribute.Enumerator:CUPTI_DEVICE_ATTR_MAX_EVENT_IDValue is a uint32_t.Number of event IDs for a device.CUDA Tools SDK CUPTI User’s Guide DA-05679-001_v01 | 81
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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
Page 30 and 31: CUPTI_ERROR_INVALID_METRIC_IDCUPTI_
Page 32 and 33: CUPTI_ACTIVITY_COMPUTE_API_OPENCL =
Page 34 and 35: 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
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Page 76 and 77: CUPTI Event APIData Structures◮ s
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Page 86 and 87: valueSize The size of the value buf
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
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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
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