3.5. Device State Inspection
Variables
- CUDBGResult ( *CUDBGAPI_st::generateCoredump )( const char* filename, CUDBGCoredumpGenerationFlags flags )
- Generates a coredump for the current GPU state.
- CUDBGResult ( *CUDBGAPI_st::getConstBankAddress )( uint32_t dev, uint64_t gridId64, uint32_t bank, uint64_t* address, uint32_t* size )
- Get constant bank GPU VA and size.
- CUDBGResult ( *CUDBGAPI_st::getConstBankAddress123 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t bank, uint32_t offset, uint64_t* address )
- Convert constant bank number and offset into GPU VA.
- CUDBGResult ( *CUDBGAPI_st::getLoadedFunctionInfo )( uint32_t devId, uint64_t handle, CUDBGLoadedFunctionInfo* info, uint32_t startIndex, uint32_t numEntries )
- Get the section number and address of loaded functions for a given module.
- CUDBGResult ( *CUDBGAPI_st::getLoadedFunctionInfo118 )( uint32_t devId, uint64_t handle, CUDBGLoadedFunctionInfo* info, uint32_t numEntries )
- Get the section number and address of loaded functions for a given module.
- CUDBGResult ( *CUDBGAPI_st::getManagedMemoryRegionInfo )( uint64_t startAddress, CUDBGMemoryInfo* memoryInfo, uint32_t memoryInfo_size, uint32_t* numEntries )
- Returns a sorted list of managed memory regions The sorted list of memory regions starts from a region containing the specified starting address. If the starting address is set to 0, a sorted list of managed memory regions is returned which starts from the managed memory region with the lowest start address.
- CUDBGResult ( *CUDBGAPI_st::memcheckReadErrorAddress )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t* address, ptxStorageKind* storage )
- Get the address that memcheck detected an error on.
- CUDBGResult ( *CUDBGAPI_st::readActiveLanes )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* activeLanesMask )
- Reads the bitmask of active lanes on a valid warp.
- CUDBGResult ( *CUDBGAPI_st::readBlockIdx )( uint32_t dev, uint32_t sm, uint32_t wp, CuDim3* blockIdx )
- Reads the CUDA block index running on a valid warp.
- CUDBGResult ( *CUDBGAPI_st::readBlockIdx32 )( uint32_t dev, uint32_t sm, uint32_t wp, CuDim2* blockIdx )
- Reads the two-dimensional CUDA block index running on a valid warp.
- CUDBGResult ( *CUDBGAPI_st::readBrokenWarps )( uint32_t dev, uint32_t sm, uint64_t* brokenWarpsMask )
- Reads the bitmask of warps that are at a breakpoint on a given SM.
- CUDBGResult ( *CUDBGAPI_st::readCCRegister )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t* val )
- Reads the hardware CC register.
- CUDBGResult ( *CUDBGAPI_st::readCallDepth )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t* depth )
- Reads the call depth (number of calls) for a given lane.
- CUDBGResult ( *CUDBGAPI_st::readCallDepth32 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* depth )
- Reads the call depth (number of calls) for a given warp.
- CUDBGResult ( *CUDBGAPI_st::readClusterIdx )( uint32_t dev, uint32_t sm, uint32_t wp, CuDim3* clusterIdx )
- Reads the CUDA cluster index running on a valid warp.
- CUDBGResult ( *CUDBGAPI_st::readCodeMemory )( uint32_t dev, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the code memory segment.
- CUDBGResult ( *CUDBGAPI_st::readConstMemory )( uint32_t dev, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the constant memory segment.
- CUDBGResult ( *CUDBGAPI_st::readErrorPC )( uint32_t devId, uint32_t sm, uint32_t wp, uint64_t* errorPC, bool* errorPCValid )
- Get the hardware reported error PC if it exists.
- CUDBGResult ( *CUDBGAPI_st::readGenericMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t addr, void* buf, uint32_t sz )
- Reads content at an address in the generic address space. This function determines if the given address falls into the local, shared, or global memory window. It then accesses memory taking into account the hardware co-ordinates provided as inputs.
- CUDBGResult ( *CUDBGAPI_st::readGlobalMemory )( uint64_t addr, void* buf, uint32_t sz )
- Reads content at an address in the global address space. If the address is valid on more than one device and one of those devices does not support UVA, an error is returned.
- CUDBGResult ( *CUDBGAPI_st::readGlobalMemory31 )( uint32_t dev, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the global memory segment.
- CUDBGResult ( *CUDBGAPI_st::readGlobalMemory55 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the global memory segment (entire 40-bit VA on Fermi+).
- CUDBGResult ( *CUDBGAPI_st::readGridId )( uint32_t dev, uint32_t sm, uint32_t wp, uint64_t* gridId64 )
- Reads the 64-bit CUDA grid index running on a valid warp.
- CUDBGResult ( *CUDBGAPI_st::readGridId50 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* gridId )
- Reads the CUDA grid index running on a valid warp.
- CUDBGResult ( *CUDBGAPI_st::readLaneException )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, CUDBGException_t* exception )
- Reads the exception type for a given lane.
- CUDBGResult ( *CUDBGAPI_st::readLaneStatus )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, bool* error )
- Reads the status of the given lane. For specific error values, use readLaneException.
- CUDBGResult ( *CUDBGAPI_st::readLocalMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the local memory segment.
- CUDBGResult ( *CUDBGAPI_st::readPC )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t* pc )
- Reads the PC on the given active lane.
- CUDBGResult ( *CUDBGAPI_st::readParamMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the param memory segment.
- CUDBGResult ( *CUDBGAPI_st::readPinnedMemory )( uint64_t addr, void* buf, uint32_t sz )
- Reads content at pinned address in system memory.
- CUDBGResult ( *CUDBGAPI_st::readPredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t predicates_size, uint32_t* predicates )
- Reads content of hardware predicate registers.
- CUDBGResult ( *CUDBGAPI_st::readRegister )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t regno, uint32_t* val )
- Reads content of a hardware register.
- CUDBGResult ( *CUDBGAPI_st::readRegisterRange )( uint32_t devId, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t index, uint32_t registers_size, uint32_t* registers )
- Reads content of a hardware range of hardware registers.
- CUDBGResult ( *CUDBGAPI_st::readReturnAddress )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t level, uint64_t* ra )
- Reads the physical return address for a call level.
- CUDBGResult ( *CUDBGAPI_st::readReturnAddress32 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t level, uint64_t* ra )
- Reads the physical return address for a call level.
- CUDBGResult ( *CUDBGAPI_st::readSharedMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint64_t addr, void* buf, uint32_t sz )
- Reads content at address in the shared memory segment.
- CUDBGResult ( *CUDBGAPI_st::readSyscallCallDepth )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t* depth )
- Reads the call depth of syscalls for a given lane.
- CUDBGResult ( *CUDBGAPI_st::readTextureMemory )( uint32_t devId, uint32_t vsm, uint32_t wp, uint32_t id, uint32_t dim, uint32_t* coords, void* buf, uint32_t sz )
- This method is no longer supported since CUDA 12.0.
- CUDBGResult ( *CUDBGAPI_st::readTextureMemoryBindless )( uint32_t devId, uint32_t vsm, uint32_t wp, uint32_t texSymtabIndex, uint32_t dim, uint32_t* coords, void* buf, uint32_t sz )
- This method is no longer supported since CUDA 12.0.
- CUDBGResult ( *CUDBGAPI_st::readThreadIdx )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, CuDim3* threadIdx )
- Reads the CUDA thread index running on valid lane.
- CUDBGResult ( *CUDBGAPI_st::readUniformPredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t predicates_size, uint32_t* predicates )
- Reads contents of uniform predicate registers.
- CUDBGResult ( *CUDBGAPI_st::readUniformRegisterRange )( uint32_t devId, uint32_t sm, uint32_t wp, uint32_t regno, uint32_t registers_size, uint32_t* registers )
- Reads a range of uniform registers.
- CUDBGResult ( *CUDBGAPI_st::readValidLanes )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* validLanesMask )
- Reads the bitmask of valid lanes on a given warp.
- CUDBGResult ( *CUDBGAPI_st::readValidWarps )( uint32_t dev, uint32_t sm, uint64_t* validWarpsMask )
- Reads the bitmask of valid warps on a given SM.
- CUDBGResult ( *CUDBGAPI_st::readVirtualPC )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t* pc )
- Reads the virtual PC on the given active lane.
- CUDBGResult ( *CUDBGAPI_st::readVirtualReturnAddress )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t level, uint64_t* ra )
- Reads the virtual return address for a call level.
- CUDBGResult ( *CUDBGAPI_st::readVirtualReturnAddress32 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t level, uint64_t* ra )
- Reads the virtual return address for a call level.
- CUDBGResult ( *CUDBGAPI_st::readWarpState )( uint32_t dev, uint32_t sm, uint32_t wp, CUDBGWarpState* state )
- Get state of a given warp.
- CUDBGResult ( *CUDBGAPI_st::readWarpState60 )( uint32_t devId, uint32_t sm, uint32_t wp, CUDBGWarpState60* state )
- Get state of a given warp.
- CUDBGResult ( *CUDBGAPI_st::writePinnedMemory )( uint64_t addr, const void* buf, uint32_t sz )
- Writes content to pinned address in system memory.
- CUDBGResult ( *CUDBGAPI_st::writePredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t predicates_size, const uint32_t* predicates )
- Writes content to hardware predicate registers.
- CUDBGResult ( *CUDBGAPI_st::writeUniformPredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t predicates_size, const uint32_t* predicates )
- Writes to uniform predicate registers.
Variables
- CUDBGResult ( *CUDBGAPI_st::generateCoredump )( const char* filename, CUDBGCoredumpGenerationFlags flags )
-
Generates a coredump for the current GPU state. Since CUDA 12.3
Parameters
- filename
- - target coredump file name
- flags
- - coredump generation flags/options
Returns
CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_NOT_SUPPORTED
- CUDBGResult ( *CUDBGAPI_st::getConstBankAddress )( uint32_t dev, uint64_t gridId64, uint32_t bank, uint64_t* address, uint32_t* size )
-
Get constant bank GPU VA and size. Since CUDA 12.4
Parameters
- dev
- - device index
- gridId64
- - grid ID of the grid containing the constant bank
- bank
- - constant bank number
- address
- - (output) GPU VA of the bank memory
- size
- - (output) bank size
Returns
CUDBG_ERROR_NOT_SUPPORTED
- CUDBGResult ( *CUDBGAPI_st::getConstBankAddress123 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t bank, uint32_t offset, uint64_t* address )
-
Convert constant bank number and offset into GPU VA. Since CUDA 12.3
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- bank
- - constant bank number
- offset
- - offset within the bank
- address
- - (output) GPU VA
Returns
CUDBG_ERROR_NOT_SUPPORTED
- CUDBGResult ( *CUDBGAPI_st::getLoadedFunctionInfo )( uint32_t devId, uint64_t handle, CUDBGLoadedFunctionInfo* info, uint32_t startIndex, uint32_t numEntries )
-
Get the section number and address of loaded functions for a given module. Since CUDA 11.8
Parameters
- devId
- handle
- - ELF/cubin image handle
- info
- startIndex
- numEntries
- - number of function load entries to read
Returns
CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_NOT_SUPPORTED
- CUDBGResult ( *CUDBGAPI_st::getLoadedFunctionInfo118 )( uint32_t devId, uint64_t handle, CUDBGLoadedFunctionInfo* info, uint32_t numEntries )
-
Get the section number and address of loaded functions for a given module. Since CUDA 11.8
Parameters
- devId
- handle
- - ELF/cubin image handle
- info
- numEntries
- - number of function load entries to read
Returns
CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_NOT_SUPPORTED
- CUDBGResult ( *CUDBGAPI_st::getManagedMemoryRegionInfo )( uint64_t startAddress, CUDBGMemoryInfo* memoryInfo, uint32_t memoryInfo_size, uint32_t* numEntries )
-
Returns a sorted list of managed memory regions The sorted list of memory regions starts from a region containing the specified starting address. If the starting address is set to 0, a sorted list of managed memory regions is returned which starts from the managed memory region with the lowest start address. Since CUDA 6.0.
Parameters
- startAddress
- - The address that the first region in the list must contain. If the starting address is set to 0, the list of managed memory regions returned starts from the managed memory region with the lowest start address.
- memoryInfo
- - Client-allocated array of memory region records of type CUDBGMemoryInfo.
- memoryInfo_size
- - Number of records of type CUDBGMemoryInfo that memoryInfo can hold.
- numEntries
- - Pointer to a client-allocated variable holding the number of valid entries retured in memoryInfo. Valid entries are continguous and start from memoryInfo[0].
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_ADDRESS, CUDBG_ERROR_INTERNAL
- CUDBGResult ( *CUDBGAPI_st::memcheckReadErrorAddress )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t* address, ptxStorageKind* storage )
-
Get the address that memcheck detected an error on. Since CUDA 5.0.
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- address
- - returned address detected by memcheck
- storage
- - returned address class of address
Returns
CUDBG_ERROR_NOT_SUPPORTED,
- CUDBGResult ( *CUDBGAPI_st::readActiveLanes )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* activeLanesMask )
-
Reads the bitmask of active lanes on a valid warp. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- activeLanesMask
- - the returned bitmask of active lanes
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readBlockIdx )( uint32_t dev, uint32_t sm, uint32_t wp, CuDim3* blockIdx )
-
Reads the CUDA block index running on a valid warp. Since CUDA 4.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- blockIdx
- - the returned CUDA block index
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readBlockIdx32 )( uint32_t dev, uint32_t sm, uint32_t wp, CuDim2* blockIdx )
-
Reads the two-dimensional CUDA block index running on a valid warp. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- blockIdx
- - the returned CUDA block index
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readBrokenWarps )( uint32_t dev, uint32_t sm, uint64_t* brokenWarpsMask )
-
Reads the bitmask of warps that are at a breakpoint on a given SM. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- brokenWarpsMask
- - the returned bitmask of broken warps
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readCCRegister )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t* val )
-
Reads the hardware CC register. Since CUDA 6.5.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- val
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readCallDepth )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t* depth )
-
Reads the call depth (number of calls) for a given lane. Since CUDA 4.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- depth
- - the returned call depth
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readCallDepth32 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* depth )
-
Reads the call depth (number of calls) for a given warp. Since CUDA 3.1.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- depth
- - the returned call depth
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readClusterIdx )( uint32_t dev, uint32_t sm, uint32_t wp, CuDim3* clusterIdx )
-
Reads the CUDA cluster index running on a valid warp. Since CUDA 12.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- clusterIdx
- - the returned CUDA cluster index
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readCodeMemory )( uint32_t dev, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the code memory segment. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED
- CUDBGResult ( *CUDBGAPI_st::readConstMemory )( uint32_t dev, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the constant memory segment. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED
- CUDBGResult ( *CUDBGAPI_st::readErrorPC )( uint32_t devId, uint32_t sm, uint32_t wp, uint64_t* errorPC, bool* errorPCValid )
-
Get the hardware reported error PC if it exists. Since CUDA 6.0
Parameters
- devId
- - the device index
- sm
- - the SM index
- wp
- errorPC
- - PC ofthe exception
- errorPCValid
- - boolean to indicate that the returned error PC is valid
Returns
CUDBG_SUCCESS CUDBG_ERROR_UNINITIALIZED CUDBG_ERROR_INVALID_DEVICE CUDBG_ERROR_INVALID_SM CUDBG_ERROR_INVALID_WARP CUDBG_ERROR_INVALID_ARGS CUDBG_ERROR_UNKNOWN_FUNCTION
- CUDBGResult ( *CUDBGAPI_st::readGenericMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at an address in the generic address space. This function determines if the given address falls into the local, shared, or global memory window. It then accesses memory taking into account the hardware co-ordinates provided as inputs. Since CUDA 6.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- addr
- - memory address
- buf
- - buffer
- sz
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED, CUDBG_ERROR_ADDRESS_NOT_IN_DEVICE_MEM
- CUDBGResult ( *CUDBGAPI_st::readGlobalMemory )( uint64_t addr, void* buf, uint32_t sz )
-
Reads content at an address in the global address space. If the address is valid on more than one device and one of those devices does not support UVA, an error is returned. Since CUDA 6.0.
See also:
Parameters
- addr
- - memory address
- buf
- - buffer
- sz
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED, CUDBG_ERROR_INVALID_MEMORY_ACCESS, CUDBG_ERROR_ADDRESS_NOT_IN_DEVICE_MEM CUDBG_ERROR_AMBIGUOUS_MEMORY_ADDRESS_
- CUDBGResult ( *CUDBGAPI_st::readGlobalMemory31 )( uint32_t dev, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the global memory segment. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED
- CUDBGResult ( *CUDBGAPI_st::readGlobalMemory55 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the global memory segment (entire 40-bit VA on Fermi+). Since CUDA 3.2.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED, CUDBG_ERROR_ADDRESS_NOT_IN_DEVICE_MEM
- CUDBGResult ( *CUDBGAPI_st::readGridId )( uint32_t dev, uint32_t sm, uint32_t wp, uint64_t* gridId64 )
-
Reads the 64-bit CUDA grid index running on a valid warp. Since CUDA 5.5.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- gridId64
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readGridId50 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* gridId )
-
Reads the CUDA grid index running on a valid warp. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- gridId
- - the returned CUDA grid index
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readLaneException )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, CUDBGException_t* exception )
-
Reads the exception type for a given lane. Since CUDA 3.1.
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- exception
- - the returned exception type
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readLaneStatus )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, bool* error )
-
Reads the status of the given lane. For specific error values, use readLaneException. Since CUDA 3.0.
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- error
- - true if there is an error
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readLocalMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the local memory segment. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED
- CUDBGResult ( *CUDBGAPI_st::readPC )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t* pc )
-
Reads the PC on the given active lane. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- pc
- - the returned PC
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNKNOWN_FUNCTION, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readParamMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the param memory segment. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED
- CUDBGResult ( *CUDBGAPI_st::readPinnedMemory )( uint64_t addr, void* buf, uint32_t sz )
-
Reads content at pinned address in system memory. Since CUDA 3.2.
See also:
Parameters
- addr
- - system memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_MEMORY_MAPPING_FAILED, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readPredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t predicates_size, uint32_t* predicates )
-
Reads content of hardware predicate registers. Since CUDA 6.5.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- predicates_size
- - number of predicate registers to read
- predicates
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readRegister )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t regno, uint32_t* val )
-
Reads content of a hardware register. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- regno
- - register index
- val
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readRegisterRange )( uint32_t devId, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t index, uint32_t registers_size, uint32_t* registers )
-
Reads content of a hardware range of hardware registers. Since CUDA 6.0.
See also:
Parameters
- devId
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- index
- - index of the first register to read
- registers_size
- - number of registers to read
- registers
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readReturnAddress )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t level, uint64_t* ra )
-
Reads the physical return address for a call level. Since CUDA 4.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- level
- - the specified call level
- ra
- - the returned return address for level
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_GRID, CUDBG_ERROR_INVALID_CALL_LEVEL, CUDBG_ERROR_ZERO_CALL_DEPTH, CUDBG_ERROR_UNKNOWN_FUNCTION, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readReturnAddress32 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t level, uint64_t* ra )
-
Reads the physical return address for a call level. Since CUDA 3.1.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- level
- - the specified call level
- ra
- - the returned return address for level
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_INVALID_GRID, CUDBG_ERROR_INVALID_CALL_LEVEL, CUDBG_ERROR_ZERO_CALL_DEPTH, CUDBG_ERROR_UNKNOWN_FUNCTION, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readSharedMemory )( uint32_t dev, uint32_t sm, uint32_t wp, uint64_t addr, void* buf, uint32_t sz )
-
Reads content at address in the shared memory segment. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- addr
- - memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_MEMORY_MAPPING_FAILED
- CUDBGResult ( *CUDBGAPI_st::readSyscallCallDepth )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t* depth )
-
Reads the call depth of syscalls for a given lane. Since CUDA 4.1.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- depth
- - the returned call depth
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readTextureMemory )( uint32_t devId, uint32_t vsm, uint32_t wp, uint32_t id, uint32_t dim, uint32_t* coords, void* buf, uint32_t sz )
-
This method is no longer supported since CUDA 12.0.
See also:
Parameters
- devId
- - device index
- vsm
- - SM index
- wp
- - warp index
- id
- - texture id (the value of DW_AT_location attribute in the relocated ELF image)
- dim
- - texture dimension (1 to 4)
- coords
- - array of coordinates of size dim
- buf
- - result buffer
- sz
- - size of the buffer
Returns
CUDBG_ERROR_NOT_SUPPORTED,
- CUDBGResult ( *CUDBGAPI_st::readTextureMemoryBindless )( uint32_t devId, uint32_t vsm, uint32_t wp, uint32_t texSymtabIndex, uint32_t dim, uint32_t* coords, void* buf, uint32_t sz )
-
This method is no longer supported since CUDA 12.0.
See also:
Parameters
- devId
- - device index
- vsm
- - SM index
- wp
- - warp index
- texSymtabIndex
- - global symbol table index of the texture symbol
- dim
- - texture dimension (1 to 4)
- coords
- - array of coordinates of size dim
- buf
- - result buffer
- sz
- - size of the buffer
Returns
CUDBG_ERROR_NOT_SUPPORTED
- CUDBGResult ( *CUDBGAPI_st::readThreadIdx )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, CuDim3* threadIdx )
-
Reads the CUDA thread index running on valid lane. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- threadIdx
- - the returned CUDA thread index
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readUniformPredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t predicates_size, uint32_t* predicates )
-
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- predicates_size
- - number of predicate registers to read
- predicates
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readUniformRegisterRange )( uint32_t devId, uint32_t sm, uint32_t wp, uint32_t regno, uint32_t registers_size, uint32_t* registers )
-
Parameters
- devId
- sm
- - SM index
- wp
- - warp index
- regno
- - starting index into uniform register file
- registers_size
- - number of bytes to read
- registers
- - pointer to buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readValidLanes )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t* validLanesMask )
-
Reads the bitmask of valid lanes on a given warp. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- validLanesMask
- - the returned bitmask of valid lanes
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readValidWarps )( uint32_t dev, uint32_t sm, uint64_t* validWarpsMask )
-
Reads the bitmask of valid warps on a given SM. Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- validWarpsMask
- - the returned bitmask of valid warps
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::readVirtualPC )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint64_t* pc )
-
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- pc
- - the returned PC
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_UNKNOWN_FUNCTION
- CUDBGResult ( *CUDBGAPI_st::readVirtualReturnAddress )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t level, uint64_t* ra )
-
Reads the virtual return address for a call level. Since CUDA 4.0.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- level
- - the specified call level
- ra
- - the returned virtual return address for level
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_GRID, CUDBG_ERROR_INVALID_CALL_LEVEL, CUDBG_ERROR_ZERO_CALL_DEPTH, CUDBG_ERROR_UNKNOWN_FUNCTION, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INTERNAL
- CUDBGResult ( *CUDBGAPI_st::readVirtualReturnAddress32 )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t level, uint64_t* ra )
-
Reads the virtual return address for a call level. Since CUDA 3.1.
See also:
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- level
- - the specified call level
- ra
- - the returned virtual return address for level
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_INVALID_GRID, CUDBG_ERROR_INVALID_CALL_LEVEL, CUDBG_ERROR_ZERO_CALL_DEPTH, CUDBG_ERROR_UNKNOWN_FUNCTION, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INTERNAL
- CUDBGResult ( *CUDBGAPI_st::readWarpState )( uint32_t dev, uint32_t sm, uint32_t wp, CUDBGWarpState* state )
-
Get state of a given warp. Since CUDA 12.0.
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- state
- - pointer to structure that contains warp status
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED,
- CUDBGResult ( *CUDBGAPI_st::readWarpState60 )( uint32_t devId, uint32_t sm, uint32_t wp, CUDBGWarpState60* state )
-
Get state of a given warp. Since CUDA 6.0.
Parameters
- devId
- sm
- - SM index
- wp
- - warp index
- state
- - pointer to structure that contains warp status
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED,
- CUDBGResult ( *CUDBGAPI_st::writePinnedMemory )( uint64_t addr, const void* buf, uint32_t sz )
-
Writes content to pinned address in system memory. Since CUDA 3.2.
See also:
Parameters
- addr
- - system memory address
- buf
- - buffer
- sz
- - size of the buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_MEMORY_MAPPING_FAILED, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::writePredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t ln, uint32_t predicates_size, const uint32_t* predicates )
-
Writes content to hardware predicate registers. Since CUDA 6.5.
See also:
writeConstMemory
writeTextureMemory
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- ln
- - lane index
- predicates_size
- - number of predicate registers to write
- predicates
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_LANE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED
- CUDBGResult ( *CUDBGAPI_st::writeUniformPredicates )( uint32_t dev, uint32_t sm, uint32_t wp, uint32_t predicates_size, const uint32_t* predicates )
-
Writes to uniform predicate registers. Since CUDA 10.0.
See also:
readUniformPredicate
Parameters
- dev
- - device index
- sm
- - SM index
- wp
- - warp index
- predicates_size
- - number of predicate registers to write
- predicates
- - buffer
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_INVALID_DEVICE, CUDBG_ERROR_INVALID_SM, CUDBG_ERROR_INVALID_WARP, CUDBG_ERROR_UNINITIALIZED