[TASK][Timpani-n] Implement Monitoring for Timpani-n

[LGSI-KarumuriHari]

📝 Task Description

Implement logic for collecting runtime statistics and performance metrics in Timpani-n.

📋 Checklist

• Collect runtime statistics
• Update performance metrics
• Integrate with eBPF and scheduler

🔗 Related Requirement

Relates to #22

📐 Implementation Guidelines

Reference timpani-n/src/monitoring.c and related C code.

🧪 Testing Method

• Unit test for statistics collection
• Integration test with eBPF and scheduler