48 lines
1.7 KiB
TypeScript
48 lines
1.7 KiB
TypeScript
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// 解析性能报告，提取时间戳和性能数据
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export function parseVProfReport(rawReport: string): { timestamp: string; data: string } | null {
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if (!rawReport) return null
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const lines = rawReport.split("\n")
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let timestamp = ""
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let inPerformanceSection = false
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const performanceLines: string[] = []
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for (const line of lines) {
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// 提取时间戳：格式如 "11/05 01:51:27 [VProf] -- Performance report --"
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const timestampMatch = line.match(
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/(\d{2}\/\d{2}\s+\d{2}:\d{2}:\d{2})\s+\[VProf\]\s+--\s+Performance\s+report\s+--/
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)
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if (timestampMatch) {
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timestamp = timestampMatch[1]
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inPerformanceSection = true
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// 也包含 Performance report 这一行，但移除时间戳
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const lineWithoutTimestamp = line.trim().replace(/^\d{2}\/\d{2}\s+\d{2}:\d{2}:\d{2}\s+/, "")
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performanceLines.push(lineWithoutTimestamp)
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continue
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}
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// 如果在性能报告部分
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if (inPerformanceSection) {
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const trimmedLine = line.trim()
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// 只收集包含 [VProf] 的行
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if (trimmedLine.includes("[VProf]")) {
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// 移除行首的时间戳（格式：MM/DD HH:mm:ss ）
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// 例如："11/05 02:13:56 [VProf] ..." -> "[VProf] ..."
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const lineWithoutTimestamp = trimmedLine.replace(/^\d{2}\/\d{2}\s+\d{2}:\d{2}:\d{2}\s+/, "")
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performanceLines.push(lineWithoutTimestamp)
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}
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// 如果遇到空行且已经有数据，可能是报告结束，但不直接结束，因为可能还有更多数据
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// 如果后续没有 [VProf] 行的数据，空行会被过滤掉
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}
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}
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if (performanceLines.length === 0) return null
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return {
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timestamp,
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data: performanceLines.join("\n").trim(),
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}
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}
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