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CHANGELOG.md

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Changelog

This document lists the version history of the software and describes relevant changes introduced in each version. Versions are ordered from most to less recent.

Version 3.2 (06/02/2024)

  • New ProfileDescriptor field (flowID) representing MPAM Partition ID has been added as optional field to traffic profile configuration files; Added example configuration using new flowID field
  • Use gem5 PartitionFieldsExtension extension to store flowIDs in generated packets
  • Consolidated internal packet metadata tagging functionality into PacketTagger
  • Bump C++ version used to 17 to retain compatibility with current libabseil and protobuf
  • Add gem5 v22.0+ compatibility; drop gem5 v20.1 support; note that gem5 v23.1+ is required to map flowIDs to PartitionFieldsExtensions
  • Updated documentation file to show new features

Version 3.1 (03/02/2020)

  • ATPDevice gem5 model is a programmable device enabling run-time configuration of traffic generation
    • Supports generation of DeviceTree entry for discovery by Linux
  • Support for integration with gem5 v20.1
  • New baremetal_atp.py configuration for instantiating ProfileGen and ATPDevice in a gem5 simulation
  • New Linux kernel modules under linux for driving ATPDevice based simulations
    • Enable allocation of shared memory buffers, configuration and activation of traffic profiles
    • Complementary user API under linux/uapi for applications to access driving capabilities
    • Integration tests under linux/test for verifying kernel module and user API correctness
  • New programmability.md document, which specifies
    • The Programmers Model implemented by ATPDevice
    • The Linux kernel modules and user API design and usage
  • Version history now in CHANGELOG.md document
  • Other fixes

Version 3.0 (19/05/2020) [initial release]

  • Standalone Engine C++ code, Protocol Buffer data layer and build files
    • Standalone Engine test suite in test_atp.[hh|cc]
  • Examples of traffic profiles in .atp files under configs
  • ProfileGen gem5 model is an adapter enabling integration with open-source gem5 simulator
  • Python utilities under utils to use for exploration of traffic profiles and Engine traces
  • Software specification in Arm AMBA ATP Engine Specification (IHI0092) - Issue A
  • License statement - Clear BSD License
  • Usage instructions in README.md