[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller#22543
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Deep review done. Stream manager and buffer occupancy controller look solid; no issues found.
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Implement infrastructure components for traffic management and buffer control: Stream Manager: - StreamManager: Traffic stream configuration and management - Supports 1→N and N→1 traffic patterns - Handles port configuration (PortInfo with MAC, IP) - Flow configuration (FlowConfig with priority, DSCP) - Automatic DMAC determination for traffic routing - Stream lifecycle management (add/remove streams) Buffer Occupancy Controller: - BufferOccupancyController: TX state and buffer management - Tracks buffer hold/release states across ports - Manages transmission enable/disable for buffer occupancy control - Supports port group operations - State validation and consistency checking - Integration with PTF dataplane for TX control These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states. Signed-off-by: Xu Chen <[email protected]>
Signed-off-by: Xu Chen <[email protected]>
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✅ LGTM — Clean infrastructure extraction
Well-designed extraction of traffic management from the monolithic sai_qos_tests.py:
- StreamManager: Clean flow management with
(src, dst, frozen_keys)composite keys. ThePortInfo.port_idproperty withactual_port_idfallback handles LAG scenarios nicely. - BufferOccupancyController: The expected/actual tracking with auto-restore is well-thought-out. Design philosophy of "track disabled state (异常) rather than enabled state (正常)" avoids initialization edge cases — good call.
determine_traffic_dmac(): Correctly handles dualtor case withdef_vlan_mac.
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…troller (sonic-net#22543) * probe: Add stream manager and buffer occupancy controller Implement infrastructure components for traffic management and buffer control: Stream Manager: - StreamManager: Traffic stream configuration and management - Supports 1→N and N→1 traffic patterns - Handles port configuration (PortInfo with MAC, IP) - Flow configuration (FlowConfig with priority, DSCP) - Automatic DMAC determination for traffic routing - Stream lifecycle management (add/remove streams) Buffer Occupancy Controller: - BufferOccupancyController: TX state and buffer management - Tracks buffer hold/release states across ports - Manages transmission enable/disable for buffer occupancy control - Supports port group operations - State validation and consistency checking - Integration with PTF dataplane for TX control These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states. Signed-off-by: Xu Chen <[email protected]> * fix pre-commit errors Signed-off-by: Xu Chen <[email protected]> --------- Signed-off-by: Xu Chen <[email protected]>
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…troller (sonic-net#22543) * probe: Add stream manager and buffer occupancy controller Implement infrastructure components for traffic management and buffer control: Stream Manager: - StreamManager: Traffic stream configuration and management - Supports 1→N and N→1 traffic patterns - Handles port configuration (PortInfo with MAC, IP) - Flow configuration (FlowConfig with priority, DSCP) - Automatic DMAC determination for traffic routing - Stream lifecycle management (add/remove streams) Buffer Occupancy Controller: - BufferOccupancyController: TX state and buffer management - Tracks buffer hold/release states across ports - Manages transmission enable/disable for buffer occupancy control - Supports port group operations - State validation and consistency checking - Integration with PTF dataplane for TX control These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states. Signed-off-by: Xu Chen <[email protected]> * fix pre-commit errors Signed-off-by: Xu Chen <[email protected]> --------- Signed-off-by: Xu Chen <[email protected]> Signed-off-by: selldinesh <[email protected]>
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…troller (sonic-net#22543) * probe: Add stream manager and buffer occupancy controller Implement infrastructure components for traffic management and buffer control: Stream Manager: - StreamManager: Traffic stream configuration and management - Supports 1→N and N→1 traffic patterns - Handles port configuration (PortInfo with MAC, IP) - Flow configuration (FlowConfig with priority, DSCP) - Automatic DMAC determination for traffic routing - Stream lifecycle management (add/remove streams) Buffer Occupancy Controller: - BufferOccupancyController: TX state and buffer management - Tracks buffer hold/release states across ports - Manages transmission enable/disable for buffer occupancy control - Supports port group operations - State validation and consistency checking - Integration with PTF dataplane for TX control These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states. Signed-off-by: Xu Chen <[email protected]> * fix pre-commit errors Signed-off-by: Xu Chen <[email protected]> --------- Signed-off-by: Xu Chen <[email protected]>
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…#22541) <!-- Please make sure you've read and understood our contributing guidelines; https://github.com/sonic-net/SONiC/blob/gh-pages/CONTRIBUTING.md Please provide following information to help code review process a bit easier: --> ### Description of PR <!-- - Please include a summary of the change and which issue is fixed. - Please also include relevant motivation and context. Where should reviewer start? background context? - List any dependencies that are required for this change. --> Summary: Implement platform-specific executors and factory pattern for executor management: Executor Registry: - ExecutorRegistry: Factory for environment-specific executor instantiation Supports 'physical' and 'sim' environments with lazy loading Physical Executors: - PfcXoffProbingExecutor: PFC Xoff detection on physical hardware via SAI - IngressDropProbingExecutor: Ingress drop detection on physical hardware Simulation Executors: - SimPfcXoffProbingExecutor: Mock PFC Xoff detection for unit/integration tests - SimIngressDropProbingExecutor: Mock ingress drop detection for testing All executors implement the ProbingExecutorProtocol interface, enabling algorithm-executor separation and testability through simulation. Fixes # (issue) ### Type of change <!-- - Fill x for your type of change. - e.g. - [x] Bug fix --> - [ ] Bug fix - [x] Testbed and Framework(new/improvement) - [ ] New Test case - [ ] Skipped for non-supported platforms - [ ] Test case improvement ### Back port request - [ ] 202205 - [ ] 202305 - [ ] 202311 - [ ] 202405 - [ ] 202411 - [ ] 202505 - [ ] 202511 ### Approach #### What is the motivation for this PR? qos refactoring #### How did you do it? Implemented probing executors using Protocol pattern with decorator-based registry for environment-specific instantiation. #### How did you verify/test it? UT: 446 passed (mock-based executor tests). IT: 75 passed (end-to-end probing workflows). #### Any platform specific information? #### Supported testbed topology if it's a new test case? ### Documentation <!-- (If it's a new feature, new test case) Did you update documentation/Wiki relevant to your implementation? Link to the wiki page? --> relevant PRs: [[mmu probing] pr01.docs: Add MMU threshold probing framework design](#22539) [[mmu probing] pr02.probe: Add core probing algorithms with essential data structures](#22540) [[mmu probing] pr03.probe: Add probing executors and executor registry](#22541) [[mmu probing] pr04.probe: Add observer pattern for metrics tracking](#22542) [[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller](#22543) [[mmu probing] pr06.probe: Add base framework and all probing implementations](#22544) [[mmu probing] pr07.test: Add comprehensive unit tests for probe framework](#22545) [[mmu probing] pr08.test: Add integration tests for end-to-end probing workflows](#22546) [[mmu probing] pr09.test: Add production probe test and infrastructure updates](#22547) --------- Signed-off-by: Xu Chen <[email protected]> Co-authored-by: Copilot <[email protected]>
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…troller (sonic-net#22543) * probe: Add stream manager and buffer occupancy controller Implement infrastructure components for traffic management and buffer control: Stream Manager: - StreamManager: Traffic stream configuration and management - Supports 1→N and N→1 traffic patterns - Handles port configuration (PortInfo with MAC, IP) - Flow configuration (FlowConfig with priority, DSCP) - Automatic DMAC determination for traffic routing - Stream lifecycle management (add/remove streams) Buffer Occupancy Controller: - BufferOccupancyController: TX state and buffer management - Tracks buffer hold/release states across ports - Manages transmission enable/disable for buffer occupancy control - Supports port group operations - State validation and consistency checking - Integration with PTF dataplane for TX control These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states. Signed-off-by: Xu Chen <[email protected]> * fix pre-commit errors Signed-off-by: Xu Chen <[email protected]> --------- Signed-off-by: Xu Chen <[email protected]> Signed-off-by: opcoder0 <[email protected]>
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…sonic-net#22541) <!-- Please make sure you've read and understood our contributing guidelines; https://github.com/sonic-net/SONiC/blob/gh-pages/CONTRIBUTING.md Please provide following information to help code review process a bit easier: --> ### Description of PR <!-- - Please include a summary of the change and which issue is fixed. - Please also include relevant motivation and context. Where should reviewer start? background context? - List any dependencies that are required for this change. --> Summary: Implement platform-specific executors and factory pattern for executor management: Executor Registry: - ExecutorRegistry: Factory for environment-specific executor instantiation Supports 'physical' and 'sim' environments with lazy loading Physical Executors: - PfcXoffProbingExecutor: PFC Xoff detection on physical hardware via SAI - IngressDropProbingExecutor: Ingress drop detection on physical hardware Simulation Executors: - SimPfcXoffProbingExecutor: Mock PFC Xoff detection for unit/integration tests - SimIngressDropProbingExecutor: Mock ingress drop detection for testing All executors implement the ProbingExecutorProtocol interface, enabling algorithm-executor separation and testability through simulation. Fixes # (issue) ### Type of change <!-- - Fill x for your type of change. - e.g. - [x] Bug fix --> - [ ] Bug fix - [x] Testbed and Framework(new/improvement) - [ ] New Test case - [ ] Skipped for non-supported platforms - [ ] Test case improvement ### Back port request - [ ] 202205 - [ ] 202305 - [ ] 202311 - [ ] 202405 - [ ] 202411 - [ ] 202505 - [ ] 202511 ### Approach #### What is the motivation for this PR? qos refactoring #### How did you do it? Implemented probing executors using Protocol pattern with decorator-based registry for environment-specific instantiation. #### How did you verify/test it? UT: 446 passed (mock-based executor tests). IT: 75 passed (end-to-end probing workflows). #### Any platform specific information? #### Supported testbed topology if it's a new test case? ### Documentation <!-- (If it's a new feature, new test case) Did you update documentation/Wiki relevant to your implementation? Link to the wiki page? --> relevant PRs: [[mmu probing] pr01.docs: Add MMU threshold probing framework design](sonic-net#22539) [[mmu probing] pr02.probe: Add core probing algorithms with essential data structures](sonic-net#22540) [[mmu probing] pr03.probe: Add probing executors and executor registry](sonic-net#22541) [[mmu probing] pr04.probe: Add observer pattern for metrics tracking](sonic-net#22542) [[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller](sonic-net#22543) [[mmu probing] pr06.probe: Add base framework and all probing implementations](sonic-net#22544) [[mmu probing] pr07.test: Add comprehensive unit tests for probe framework](sonic-net#22545) [[mmu probing] pr08.test: Add integration tests for end-to-end probing workflows](sonic-net#22546) [[mmu probing] pr09.test: Add production probe test and infrastructure updates](sonic-net#22547) --------- Signed-off-by: Xu Chen <[email protected]> Co-authored-by: Copilot <[email protected]> Signed-off-by: opcoder0 <[email protected]>
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… updates (#22547) <!-- Please make sure you've read and understood our contributing guidelines; https://github.com/sonic-net/SONiC/blob/gh-pages/CONTRIBUTING.md Please provide following information to help code review process a bit easier: --> ### Description of PR <!-- - Please include a summary of the change and which issue is fixed. - Please also include relevant motivation and context. Where should reviewer start? background context? - List any dependencies that are required for this change. --> Summary: Enable probe framework for production testbed usage with infrastructure updates and physical hardware test cases. Infrastructure Updates: 1. tests/conftest.py: - Add --enable_qos_ptf_pdb option for PTF debugging with pdb breakpoint - Add --ingress_drop_probing option to switch between PFC/Drop probing modes 2. tests/ptf_runner.py: - Add 'probe' subdirectory support alongside 'py3' - Add test_subdir parameter for flexible PTF test location - Enable probe tests to run via PTF runner infrastructure 3. tests/qos/qos_sai_base.py (QosSaiBase refactoring): - Move replaceNonExistentPortId() from TestQosSai to base class - Move updateTestPortIdIp() from TestQosSai to base class - Add bufferConfig to dut_qos_maps fixture for all devices - Enable probe tests to access buffer configuration - Shared utility methods for port ID/IP management 4. tests/qos/test_qos_sai.py: - Remove replaceNonExistentPortId() (moved to base) - Remove updateTestPortIdIp() (moved to base) - Reduce code duplication Production Test Cases: 5. tests/qos/test_qos_probe.py (NEW - 544 lines): - TestQosProbe class for physical testbed probing - test_pfc_xoff_probing: PFC Xoff threshold detection on hardware - test_ingress_drop_probing: Ingress drop threshold detection - test_headroom_pool_probing: Headroom pool size probing - Integrates with existing QoS test infrastructure - Uses physical executors for real hardware validation - Validates probe framework on production testbeds This PR completes the probe framework integration, enabling threshold probing tests to run on physical SONiC testbeds alongside existing QoS tests. Fixes # (issue) ### Type of change <!-- - Fill x for your type of change. - e.g. - [x] Bug fix --> - [ ] Bug fix - [ ] Testbed and Framework(new/improvement) - [ ] New Test case - [ ] Skipped for non-supported platforms - [ ] Test case improvement ### Back port request - [ ] 202205 - [ ] 202305 - [ ] 202311 - [ ] 202405 - [ ] 202411 - [ ] 202505 - [ ] 202511 ### Approach #### What is the motivation for this PR? qos refactoring #### How did you do it? #### How did you verify/test it? #### Any platform specific information? #### Supported testbed topology if it's a new test case? ### Documentation <!-- (If it's a new feature, new test case) Did you update documentation/Wiki relevant to your implementation? Link to the wiki page? --> relevant PRs: [[mmu probing] pr01.docs: Add MMU threshold probing framework design](#22539) [[mmu probing] pr02.probe: Add core probing algorithms with essential data structures](#22540) [[mmu probing] pr03.probe: Add probing executors and executor registry](#22541) [[mmu probing] pr04.probe: Add observer pattern for metrics tracking](#22542) [[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller](#22543) [[mmu probing] pr06.probe: Add base framework and all probing implementations](#22544) [[mmu probing] pr07.test: Add comprehensive unit tests for probe framework](#22545) [[mmu probing] pr08.test: Add integration tests for end-to-end probing workflows](#22546) [[mmu probing] pr09.test: Add production probe test and infrastructure updates](#22547) --------- Signed-off-by: Xu Chen <[email protected]> Co-authored-by: Copilot <[email protected]>
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…troller (sonic-net#22543) * probe: Add stream manager and buffer occupancy controller Implement infrastructure components for traffic management and buffer control: Stream Manager: - StreamManager: Traffic stream configuration and management - Supports 1→N and N→1 traffic patterns - Handles port configuration (PortInfo with MAC, IP) - Flow configuration (FlowConfig with priority, DSCP) - Automatic DMAC determination for traffic routing - Stream lifecycle management (add/remove streams) Buffer Occupancy Controller: - BufferOccupancyController: TX state and buffer management - Tracks buffer hold/release states across ports - Manages transmission enable/disable for buffer occupancy control - Supports port group operations - State validation and consistency checking - Integration with PTF dataplane for TX control These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states. Signed-off-by: Xu Chen <[email protected]> * fix pre-commit errors Signed-off-by: Xu Chen <[email protected]> --------- Signed-off-by: Xu Chen <[email protected]> Signed-off-by: Raghavendran Ramanathan <[email protected]>
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…sonic-net#22541) <!-- Please make sure you've read and understood our contributing guidelines; https://github.com/sonic-net/SONiC/blob/gh-pages/CONTRIBUTING.md Please provide following information to help code review process a bit easier: --> ### Description of PR <!-- - Please include a summary of the change and which issue is fixed. - Please also include relevant motivation and context. Where should reviewer start? background context? - List any dependencies that are required for this change. --> Summary: Implement platform-specific executors and factory pattern for executor management: Executor Registry: - ExecutorRegistry: Factory for environment-specific executor instantiation Supports 'physical' and 'sim' environments with lazy loading Physical Executors: - PfcXoffProbingExecutor: PFC Xoff detection on physical hardware via SAI - IngressDropProbingExecutor: Ingress drop detection on physical hardware Simulation Executors: - SimPfcXoffProbingExecutor: Mock PFC Xoff detection for unit/integration tests - SimIngressDropProbingExecutor: Mock ingress drop detection for testing All executors implement the ProbingExecutorProtocol interface, enabling algorithm-executor separation and testability through simulation. Fixes # (issue) ### Type of change <!-- - Fill x for your type of change. - e.g. - [x] Bug fix --> - [ ] Bug fix - [x] Testbed and Framework(new/improvement) - [ ] New Test case - [ ] Skipped for non-supported platforms - [ ] Test case improvement ### Back port request - [ ] 202205 - [ ] 202305 - [ ] 202311 - [ ] 202405 - [ ] 202411 - [ ] 202505 - [ ] 202511 ### Approach #### What is the motivation for this PR? qos refactoring #### How did you do it? Implemented probing executors using Protocol pattern with decorator-based registry for environment-specific instantiation. #### How did you verify/test it? UT: 446 passed (mock-based executor tests). IT: 75 passed (end-to-end probing workflows). #### Any platform specific information? #### Supported testbed topology if it's a new test case? ### Documentation <!-- (If it's a new feature, new test case) Did you update documentation/Wiki relevant to your implementation? Link to the wiki page? --> relevant PRs: [[mmu probing] pr01.docs: Add MMU threshold probing framework design](sonic-net#22539) [[mmu probing] pr02.probe: Add core probing algorithms with essential data structures](sonic-net#22540) [[mmu probing] pr03.probe: Add probing executors and executor registry](sonic-net#22541) [[mmu probing] pr04.probe: Add observer pattern for metrics tracking](sonic-net#22542) [[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller](sonic-net#22543) [[mmu probing] pr06.probe: Add base framework and all probing implementations](sonic-net#22544) [[mmu probing] pr07.test: Add comprehensive unit tests for probe framework](sonic-net#22545) [[mmu probing] pr08.test: Add integration tests for end-to-end probing workflows](sonic-net#22546) [[mmu probing] pr09.test: Add production probe test and infrastructure updates](sonic-net#22547) --------- Signed-off-by: Xu Chen <[email protected]> Co-authored-by: Copilot <[email protected]> Signed-off-by: Raghavendran Ramanathan <[email protected]>
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… updates (sonic-net#22547) <!-- Please make sure you've read and understood our contributing guidelines; https://github.com/sonic-net/SONiC/blob/gh-pages/CONTRIBUTING.md Please provide following information to help code review process a bit easier: --> ### Description of PR <!-- - Please include a summary of the change and which issue is fixed. - Please also include relevant motivation and context. Where should reviewer start? background context? - List any dependencies that are required for this change. --> Summary: Enable probe framework for production testbed usage with infrastructure updates and physical hardware test cases. Infrastructure Updates: 1. tests/conftest.py: - Add --enable_qos_ptf_pdb option for PTF debugging with pdb breakpoint - Add --ingress_drop_probing option to switch between PFC/Drop probing modes 2. tests/ptf_runner.py: - Add 'probe' subdirectory support alongside 'py3' - Add test_subdir parameter for flexible PTF test location - Enable probe tests to run via PTF runner infrastructure 3. tests/qos/qos_sai_base.py (QosSaiBase refactoring): - Move replaceNonExistentPortId() from TestQosSai to base class - Move updateTestPortIdIp() from TestQosSai to base class - Add bufferConfig to dut_qos_maps fixture for all devices - Enable probe tests to access buffer configuration - Shared utility methods for port ID/IP management 4. tests/qos/test_qos_sai.py: - Remove replaceNonExistentPortId() (moved to base) - Remove updateTestPortIdIp() (moved to base) - Reduce code duplication Production Test Cases: 5. tests/qos/test_qos_probe.py (NEW - 544 lines): - TestQosProbe class for physical testbed probing - test_pfc_xoff_probing: PFC Xoff threshold detection on hardware - test_ingress_drop_probing: Ingress drop threshold detection - test_headroom_pool_probing: Headroom pool size probing - Integrates with existing QoS test infrastructure - Uses physical executors for real hardware validation - Validates probe framework on production testbeds This PR completes the probe framework integration, enabling threshold probing tests to run on physical SONiC testbeds alongside existing QoS tests. Fixes # (issue) ### Type of change <!-- - Fill x for your type of change. - e.g. - [x] Bug fix --> - [ ] Bug fix - [ ] Testbed and Framework(new/improvement) - [ ] New Test case - [ ] Skipped for non-supported platforms - [ ] Test case improvement ### Back port request - [ ] 202205 - [ ] 202305 - [ ] 202311 - [ ] 202405 - [ ] 202411 - [ ] 202505 - [ ] 202511 ### Approach #### What is the motivation for this PR? qos refactoring #### How did you do it? #### How did you verify/test it? #### Any platform specific information? #### Supported testbed topology if it's a new test case? ### Documentation <!-- (If it's a new feature, new test case) Did you update documentation/Wiki relevant to your implementation? Link to the wiki page? --> relevant PRs: [[mmu probing] pr01.docs: Add MMU threshold probing framework design](sonic-net#22539) [[mmu probing] pr02.probe: Add core probing algorithms with essential data structures](sonic-net#22540) [[mmu probing] pr03.probe: Add probing executors and executor registry](sonic-net#22541) [[mmu probing] pr04.probe: Add observer pattern for metrics tracking](sonic-net#22542) [[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller](sonic-net#22543) [[mmu probing] pr06.probe: Add base framework and all probing implementations](sonic-net#22544) [[mmu probing] pr07.test: Add comprehensive unit tests for probe framework](sonic-net#22545) [[mmu probing] pr08.test: Add integration tests for end-to-end probing workflows](sonic-net#22546) [[mmu probing] pr09.test: Add production probe test and infrastructure updates](sonic-net#22547) --------- Signed-off-by: Xu Chen <[email protected]> Co-authored-by: Copilot <[email protected]> Signed-off-by: Raghavendran Ramanathan <[email protected]>
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Description of PR
Summary:
Implement infrastructure components for traffic management and buffer control:
Stream Manager:
Buffer Occupancy Controller:
These components provide essential support for probing test execution, enabling precise control over traffic patterns and buffer states.
Fixes # (issue)
Type of change
Back port request
Approach
What is the motivation for this PR?
qos refactoring
How did you do it?
How did you verify/test it?
Any platform specific information?
Supported testbed topology if it's a new test case?
Documentation
relevant PRs:
[mmu probing] pr01.docs: Add MMU threshold probing framework design
[mmu probing] pr02.probe: Add core probing algorithms with essential data structures
[mmu probing] pr03.probe: Add probing executors and executor registry
[mmu probing] pr04.probe: Add observer pattern for metrics tracking
[mmu probing] pr05.probe: Add stream manager and buffer occupancy controller
[mmu probing] pr06.probe: Add base framework and all probing implementations
[mmu probing] pr07.test: Add comprehensive unit tests for probe framework
[mmu probing] pr08.test: Add integration tests for end-to-end probing workflows
[mmu probing] pr09.test: Add production probe test and infrastructure updates