Bugfix: lcs trace is not supported for Belady

[shermanjlim]

I think there's a typo in the conditionals when checking if we can support lcs trace for the Belady algo. It seems like it should be supported

[gemini-code-assist]

Summary of Changes

Hello @shermanjlim, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a logical error in the cache_init.h file concerning the Belady eviction algorithm's trace support. The previous implementation contained a conditional typo that prevented lcs traces from being correctly recognized as supported, leading to an inaccurate warning mechanism. The fix refines this logic, ensuring that Belady correctly supports both oracleGeneral and lcs trace formats, and issues warnings only for truly unsupported trace types.

Highlights

• Belady Algorithm Trace Support: Modified the conditional logic for the Belady eviction algorithm to correctly identify supported trace types. Previously, 'lcs' traces were incorrectly excluded from the initial check, leading to potential misbehavior or incorrect warnings.
• Warning Logic Refinement: The warning message for unsupported trace types with the Belady algorithm is now triggered only when neither 'oracleGeneral' nor 'lcs' are present in the trace path, ensuring accurate user feedback.

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[gemini-code-assist]

Code Review

This pull request correctly fixes a bug where the 'belady' eviction algorithm would incorrectly fail when used with an 'lcs' trace. The conditional logic has been corrected. I have added one suggestion to prevent a potential null pointer dereference that could lead to a crash.

[haochengxia]

Yes, exactly — that should align with how BeladySize behaves. Thanks for your PR!