
Amir Shetaia enhanced the ROCm/rocm-systems repository by implementing Memory Allocation Properties Reporting, expanding observability for memory allocations in user-space tools. He extended the HSA pointer information structures in C++ to include allocation flags, enabling dynamic binary instrumentors to access detailed memory properties without requiring kernel or ioctl modifications. His work involved ABI-safe struct extensions and careful versioning to maintain interface stability, addressing correctness gaps in global flag mappings and updating documentation. Leveraging his expertise in C++, kernel development, and system programming, Amir delivered a robust feature that improves profiling and instrumentation capabilities while preserving compatibility across ROCm runtimes.
March 2026 monthly summary for ROCm/rocm-systems focused on expanding memory allocation observability and instrumentation readiness. Delivered Memory Allocation Properties Reporting by extending the HSA pointer info with alloc_flags, enabling tools (including dynamic binary instrumentors) to determine executable and other allocation properties without kernel/ioctl changes. Implemented ABI-safe struct extension (hsa_amd_pointer_info_alloc_flag_t with 7 flags and alloc_flags in hsa_amd_pointer_info_t), and populated these fields in Runtime::PtrInfo() and Runtime::VMemoryPtrInfo() paths. Addressed correctness gaps by fixing ExtendedCoherent mapping for global_flags, correcting a struct comment typo, and bumping the interface version minor to 18. Closes ROCm/rocm-systems/issues/742. The commits associated include d9710963baf3697e6f9a008e23d6b804961608f0, which documents the exposure of KFD memory flags via hsa_amd_pointer_info. Resulting impact includes improved visibility for memory allocations, enabling more accurate profiling and instrumentation with no kernel changes required, and stronger ABI stability across ROCm runtimes.
March 2026 monthly summary for ROCm/rocm-systems focused on expanding memory allocation observability and instrumentation readiness. Delivered Memory Allocation Properties Reporting by extending the HSA pointer info with alloc_flags, enabling tools (including dynamic binary instrumentors) to determine executable and other allocation properties without kernel/ioctl changes. Implemented ABI-safe struct extension (hsa_amd_pointer_info_alloc_flag_t with 7 flags and alloc_flags in hsa_amd_pointer_info_t), and populated these fields in Runtime::PtrInfo() and Runtime::VMemoryPtrInfo() paths. Addressed correctness gaps by fixing ExtendedCoherent mapping for global_flags, correcting a struct comment typo, and bumping the interface version minor to 18. Closes ROCm/rocm-systems/issues/742. The commits associated include d9710963baf3697e6f9a008e23d6b804961608f0, which documents the exposure of KFD memory flags via hsa_amd_pointer_info. Resulting impact includes improved visibility for memory allocations, enabling more accurate profiling and instrumentation with no kernel changes required, and stronger ABI stability across ROCm runtimes.

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