CUPTI User's Guide

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CUPTI_ACTIVITY_COMPUTE_API_OPENCL = 2 }The kind of a compute API, indicating if the context was created for CUDA api orOpenCL APIs.◮ enum CUpti_ActivityFlag {CUPTI_ACTIVITY_FLAG_NONE = 0,CUPTI_ACTIVITY_FLAG_DEVICE_CONCURRENT_KERNELS = 1
CUPTI_ACTIVITY_MEMCPY_KIND_HTOH = 9 }The kind of a memory copy, indicating the source and destination targets of the copy.◮ enum CUpti_ActivityMemoryKind {CUPTI_ACTIVITY_MEMORY_KIND_UNKNOWN = 0,CUPTI_ACTIVITY_MEMORY_KIND_PAGEABLE = 1,CUPTI_ACTIVITY_MEMORY_KIND_PINNED = 2,CUPTI_ACTIVITY_MEMORY_KIND_DEVICE = 3,CUPTI_ACTIVITY_MEMORY_KIND_ARRAY = 4 }The kinds of memory accessed by a memory copy.Functions◮ CUptiResult cuptiActivityDequeueBuffer (CUcontext context, uint32_t streamId,uint8_t ∗∗buffer, size_t ∗validBufferSizeBytes)Dequeue a buffer containing activity records.◮ CUptiResult cuptiActivityDisable (CUpti_ActivityKind kind)Disable collection of a specific kind of activity record.◮ CUptiResult cuptiActivityEnable (CUpti_ActivityKind kind)Enable collection of a specific kind of activity record.◮ CUptiResult cuptiActivityEnqueueBuffer (CUcontext context, uint32_t streamId,uint8_t ∗buffer, size_t bufferSizeBytes)Queue a buffer for activity record collection.◮ CUptiResult cuptiActivityGetNextRecord (uint8_t ∗buffer, size_tvalidBufferSizeBytes, CUpti_Activity ∗∗record)Iterate over the activity records in a buffer.◮ CUptiResult cuptiActivityGetNumDroppedRecords (CUcontext context, uint32_tstreamId, size_t ∗dropped)Get the number of activity records that were dropped from a queue because of insufficientbuffer space.◮ CUptiResult cuptiActivityQueryBuffer (CUcontext context, uint32_t streamId,CUDA Tools SDK CUPTI User’s Guide DA-05679-001_v01 | 33
Page 1 and 2: CUDA Tools SDKCUPTI User’s GuideD
Page 3 and 4: CUPTIThe CUDA Profiling Tools Inter
Page 5 and 6: CUPTI_CBID_RESOURCE_CONTEXT_CREATED
Page 7 and 8: twice each time any of the CUDA run
Page 9 and 10: device-specific limits. At any give
Page 11 and 12: Sampling EventsThe event API can al
Page 13: CapabilityEvent Name Description Ty
Page 16 and 17: CapabilityEvent Name Description Ty
Page 18 and 19: CapabilityEvent Name Description Ty
Page 20: CapabilityEvent Name Description Ty
Page 26 and 27: CUPTI ReferenceCUPTI VersionDefines
Page 28 and 29: CUPTI Result CodesEnumerations◮ e
Page 30 and 31: CUPTI_ERROR_INVALID_METRIC_IDCUPTI_
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
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
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CUPTI_DEVICE_ATTR_MAX_EVENT_DOMAIN_
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CUPTI_EVENT_GROUP_ATTR_PROFILE_ALL_
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valueSize The size of the value buf
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Return values:CUPTI_SUCCESSCUPTI_ER
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Parameters:device The CUDA deviceev
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Parameters:eventGroup The event gro
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flags Flags controlling the reading
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Return values:CUPTI_SUCCESSCUPTI_ER
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CUPTI_ERROR_INVALID_OPERATION if an
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CUPTI_METRIC_VALUE_KIND_PERCENT = 2
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enum CUpti_MetricCategoryEach metri
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metricArray Returns the IDs of the
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CUPTI_ERROR_NOT_INITIALIZEDCUPTI_ER
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CUPTI_ERROR_INVALID_PARAMETER if me
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CUPTI User's Guide

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