tracer deterministism

[KRRT7]

PR Type

Enhancement, Tests, Bug fix

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Description

• Improved tracer logic with added threading profile reset.

• Added project root file scope check.

• Updated test to expect four traced functions.

• Minor workload file formatting changes.

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Changes walkthrough 📝

	Relevant files
Formatting	workload.py Adjust workload file formatting and spacing.                          code_to_optimize/code_directories/simple_tracer_e2e/workload.py Inserted extra blank lines. Ensured newline at file end. +4/-1
Enhancement	tracer.py Improve tracer logic with safety checks.                                  codeflash/tracer.py Added threading.setprofile(None) on timeout. Added file relative check with is_relative_to. +4/-0
Tests	end_to_end_test_utilities.py Correct test expectation for traced functions.                      tests/scripts/end_to_end_test_utilities.py Updated expected function call count from 5 to 4. +2/-2

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[github-actions]

PR Reviewer Guide 🔍

(Review updated until commit 67830c3)

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 PR contains tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Thread Profiling Verify that both sys and threading profile disabling are intended to be called together during a timeout and that their indentation aligns with the expected control flow. sys.setprofile(None) threading.setprofile(None) console.print(f"Codeflash: Timeout reached! Stopping tracing at {self.timeout} seconds.") File Scope Check Confirm that using is_relative_to for project root validation behaves correctly in all environments and that it doesn’t inadvertently skip tracing for files that should be included. if not file_name.is_relative_to(self.project_root): return

[github-actions]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Verify thread profiling disable Confirm that disabling profiling for threads immediately after disabling it with sys.setprofile covers all active threads and is executed in the correct order. codeflash/tracer.py [250] +threading.setprofile(None) - Suggestion importance[1-10]: 3 __ Why: The suggestion merely prompts a verification of the profiling disable order without modifying code, making it non‐actionable and low impact.	Low
	Validate project path check Ensure that using is_relative_to for filtering files correctly handles all expected path scenarios (such as symlinks) without inadvertently excluding valid project files. codeflash/tracer.py [260-261] +if not file_name.is_relative_to(self.project_root): + return - Suggestion importance[1-10]: 3 __ Why: This suggestion encourages a review of the path filtering logic but does not suggest actual code changes, resulting in only a minor improvement in code scrutiny.	Low
	Confirm expected function count Revisit the change in the expected traced function count to ensure it aligns with the intended tracer behavior and update test documentation if needed. tests/scripts/end_to_end_test_utilities.py [205-206] +if not functions_traced or int(functions_traced.group(1)) != 4: + logging.error("Expected 4 traced functions") - Suggestion importance[1-10]: 3 __ Why: The suggestion advises re-evaluating the expected count in the test without changing the code, so it has limited actionable impact while prompting careful consideration.	Low

[codeflash-ai]

⚡️ Codeflash found optimizations for this PR

📄 18% (0.18x) speedup for _is_separating_line in codeflash/code_utils/tabulate.py

⏱️ Runtime : 49.2 microseconds → 41.6 microseconds (best of 509 runs)

I created a new dependent PR with the suggested changes. Please review:

• ⚡️ Speed up function _is_separating_line by 18% in PR #110 (trace-deterministic) #120

If you approve, it will be merged into this PR (branch trace-deterministic).

[github-actions]

Persistent review updated to latest commit 080be20

[github-actions]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Verify thread profiling disable Confirm that disabling profiling for threads immediately after disabling it with sys.setprofile covers all active threads and is executed in the correct order. codeflash/tracer.py [250] +threading.setprofile(None) - Suggestion importance[1-10]: 3 __ Why: The suggestion merely prompts a verification of the profiling disable order without modifying code, making it non‐actionable and low impact.	Low
	Validate project path check Ensure that using is_relative_to for filtering files correctly handles all expected path scenarios (such as symlinks) without inadvertently excluding valid project files. codeflash/tracer.py [260-261] +if not file_name.is_relative_to(self.project_root): + return - Suggestion importance[1-10]: 3 __ Why: This suggestion encourages a review of the path filtering logic but does not suggest actual code changes, resulting in only a minor improvement in code scrutiny.	Low
	Confirm expected function count Revisit the change in the expected traced function count to ensure it aligns with the intended tracer behavior and update test documentation if needed. tests/scripts/end_to_end_test_utilities.py [205-206] +if not functions_traced or int(functions_traced.group(1)) != 4: + logging.error("Expected 4 traced functions") - Suggestion importance[1-10]: 3 __ Why: The suggestion advises re-evaluating the expected count in the test without changing the code, so it has limited actionable impact while prompting careful consideration.	Low

[github-actions]

Persistent review updated to latest commit 67830c3

[github-actions]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Verify thread profiling disable Confirm that disabling profiling for threads immediately after disabling it with sys.setprofile covers all active threads and is executed in the correct order. codeflash/tracer.py [250] +threading.setprofile(None) - Suggestion importance[1-10]: 3 __ Why: The suggestion merely prompts a verification of the profiling disable order without modifying code, making it non‐actionable and low impact.	Low
	Validate project path check Ensure that using is_relative_to for filtering files correctly handles all expected path scenarios (such as symlinks) without inadvertently excluding valid project files. codeflash/tracer.py [260-261] +if not file_name.is_relative_to(self.project_root): + return - Suggestion importance[1-10]: 3 __ Why: This suggestion encourages a review of the path filtering logic but does not suggest actual code changes, resulting in only a minor improvement in code scrutiny.	Low
	Confirm expected function count Revisit the change in the expected traced function count to ensure it aligns with the intended tracer behavior and update test documentation if needed. tests/scripts/end_to_end_test_utilities.py [205-206] +if not functions_traced or int(functions_traced.group(1)) != 4: + logging.error("Expected 4 traced functions") - Suggestion importance[1-10]: 3 __ Why: The suggestion advises re-evaluating the expected count in the test without changing the code, so it has limited actionable impact while prompting careful consideration.	Low