Method get_header_times

ci/perf/compile_perf.py:165–237

Get header parse times with nesting information. IMPORTANT: Returns CUMULATIVE time (total time including all nested includes). This is the full duration from when the compiler starts processing the header until it finishes, including all headers it includes recursi

(self, max_depth: int = 2)

        return Path(path).name

    def get_header_times(self, max_depth: int = 2) -> dict[str, Any]:
        """
        Get header parse times with nesting information.

        IMPORTANT: Returns CUMULATIVE time (total time including all nested includes).
        This is the full duration from when the compiler starts processing the header
        until it finishes, including all headers it includes recursively.

        Returns:
            Dict mapping header name to:
            {
                'time': float,        # CUMULATIVE milliseconds (includes nested headers)
                'path': str,          # full path
                'depth': int,         # nesting level
                'parent': str,        # parent header
                'children': List[str] # child headers
            }
        """
        headers: dict[str, dict[str, Any]] = {}

        # Sort events by timestamp
        sorted_sources = sorted(self.source_events, key=lambda e: e.get("ts", 0))

        # Build parent-child relationships
        stack: list[tuple[str, int, int]] = []  # (path, start_ts, end_ts)

        for event in sorted_sources:
            path = event.get("args", {}).get("detail", "")
            if not path:
                continue

            ts = event.get("ts", 0)
            dur = event.get("dur", 0)
            end_ts = ts + dur

            # Find parent (last event that contains this timestamp)
            parent = None
            depth = 0

            # Clean up stack (remove events that have ended)
            while stack and stack[-1][2] <= ts:
                stack.pop()

            if stack:
                parent = stack[-1][0]
                depth = len(stack)

            stack.append((path, ts, end_ts))

            header_name = self._extract_header_name(path)

            if header_name not in headers:
                headers[header_name] = {
                    "time": dur / 1000.0,
                    "path": path,
                    "depth": depth,
                    "parent": self._extract_header_name(parent) if parent else None,
                    "children": [],