Module tracing 

Deep Tracing Module (PROBAR-SPEC-006 Section J)

Implements syscall tracing, WASM event capture, flamegraph generation, and source correlation for performance analysis.

Based on research:

• [C9] Treadmill methodology for trace attribution

Structs

Flamegraph

Flamegraph data structure

FlamegraphNode

Flamegraph node

SourceHotspot

Source code hotspot (performance bottleneck)

SourceLocation

Source code location

SyscallStats

Syscall statistics

TraceAnalysis

Complete trace analysis

TraceConfig

Deep trace configuration

TraceSpan

A span in the trace timeline

WasmEvent

WASM-specific event

Enums

OptimizationSuggestion

Optimization suggestion for hotspot

TraceCategory

Trace category for filtering

WasmEventType

WASM event types

Functions

render_trace_json

Render as JSON

render_trace_report

Render trace analysis as TUI