Benchmarks: Micro benchmark - add ncu profile support in cublaslt-gemm

[yukirora]

Description
This PR adds NCU (NVIDIA Nsight Compute) profiling support to the cublaslt-gemm micro benchmark, enabling detailed kernel analysis including DRAM throughput, compute throughput, and launch arguments.

Major Revision

• Add --enable_ncu_profiling and --profiling_metrics for ncu profiling
• Modifies command execution to use NCU when profiling is enabled
• Updates result parsing to handle both standard and NCU profiled output formats

[abuccts]

pls fix errors in unit tests

[Copilot]

Pull Request Overview

This PR adds NCU (NVIDIA Nsight Compute) profiling support to the cublaslt-gemm micro benchmark, enabling detailed kernel analysis including DRAM throughput, compute throughput, and launch arguments.

• Adds two new command-line arguments: --enable_ncu_profiling and --profiling_metrics
• Modifies command execution to use NCU when profiling is enabled
• Updates result parsing to handle both standard and NCU profiled output formats

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
superbench/benchmarks/micro_benchmarks/cublaslt_function.py	Adds NCU profiling arguments, command wrapping, and CSV output parsing
tests/benchmarks/micro_benchmarks/test_cublaslt_function.py	Updates test cases to include new profiling arguments and adds NCU output parsing test

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[codecov]

Codecov Report

❌ Patch coverage is 81.81818% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.71%. Comparing base (fe23426) to head (638ba7f).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...h/benchmarks/micro_benchmarks/cublaslt_function.py	81.81%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #740      +/-   ##
==========================================
- Coverage   85.74%   85.71%   -0.04%     
==========================================
  Files         102      102              
  Lines        7640     7678      +38     
==========================================
+ Hits         6551     6581      +30     
- Misses       1089     1097       +8     

Flag	Coverage Δ
cpu-python3.10-unit-test	70.94% <81.81%> (+0.04%)	⬆️
cpu-python3.12-unit-test	70.94% <81.81%> (+0.04%)	⬆️
cpu-python3.7-unit-test	70.39% <81.81%> (+0.04%)	⬆️
cuda-unit-test	83.61% <81.81%> (-0.03%)	⬇️

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