Unity 测量游戏启动时间

 1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 

#!/usr/bin/env python3 """将 Android Logcat 日志的时间戳转换为相对时间""" import re import sys from datetime import datetime TIMESTAMP_PATTERN = re.compile(r'^(/d{4}-/d{2}-/d{2} /d{2}:/d{2}:/d{2}/./d{3}) /d+-/d+//S+ ') TIMESTAMP_FORMAT = '%Y-%m-%d %H:%M:%S.%f' def parse_timestamp(ts_str): """解析时间戳字符串""" return datetime.strptime(ts_str, TIMESTAMP_FORMAT) def format_relative_time(delta): """将时间差格式化为 +HH:MM:SS.mmm 格式""" total_seconds = delta.total_seconds() hours, remainder = divmod(total_seconds, 3600) minutes, seconds = divmod(remainder, 60) milliseconds = int((seconds - int(seconds)) * 1000) return f"+{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d}.{milliseconds:03d}" def convert_log_file(input_file, output_file=None): """转换日志文件中的时间戳为相对时间""" if output_file is None: output_file = input_file.rsplit('.', 1)[0] + '-relative.log' first_timestamp = None output_lines = [] with open(input_file, 'r', encoding='utf-8') as f: for line in f: match = TIMESTAMP_PATTERN.match(line) if match: ts_str = match.group(1) current_ts = parse_timestamp(ts_str) if first_timestamp is None: first_timestamp = current_ts delta = current_ts - first_timestamp relative_str = format_relative_time(delta) line = relative_str + ' ' + line[match.end():] output_lines.append(line) with open(output_file, 'w', encoding='utf-8') as f: f.writelines(output_lines) print(f"转换完成: {output_file}") return output_file if __name__ == '__main__': if len(sys.argv) < 2: input_file = 'android-logcat.log' else: input_file = sys.argv[1] output_file = sys.argv[2] if len(sys.argv) > 2 else None convert_log_file(input_file, output_file) 

 1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 

using System; using System.Collections.Generic; using System.Linq; using UnityEngine; public class StartupTimer { private static readonly StartupTimer instance; static StartupTimer() => instance = new StartupTimer(); private StartupTimer() => steps = new List<Step>(); public static StartupTimer Instance => instance; private struct Step { public string name; public double time; // 秒（从启动开始）  } private List<Step> steps; public void Mark(string step) => steps.Add(new Step { name = step, time = Time.realtimeSinceStartupAsDouble }); public void PrintSummary() { if (steps.Count == 0) { Debug.Log("没有记录任何步骤，无法生成总结。"); return; } double totalSeconds = steps[^1].time; // 最后一个步骤的绝对时间即为总耗时  long totalMs = (long)Math.Round(totalSeconds * 1000.0, MidpointRounding.AwayFromZero); Debug.Log($"=== 启动时间总结 ==="); Debug.Log($"总启动耗时: {totalMs} ms/n"); // 计算最大名称长度（考虑步骤名、表头“步骤名称”和汇总行“总用时”）  int maxNameLength = steps.Max(s => s.name.Length); int nameWidth = Math.Max(maxNameLength, "步骤名称".Length); nameWidth = Math.Max(nameWidth, "总用时".Length) + 4; // 准备数据列表  var rows = new List<(string name, long timeMs, long deltaMs, string ratioStr)>(); long prevTimeMs = 0; for (int i = 0; i < steps.Count; i++) { long timeMs = (long)Math.Round(steps[i].time * 1000.0, MidpointRounding.AwayFromZero); long deltaMs = i == 0 ? 0 : timeMs - prevTimeMs; // 占比 = 增量 / 总耗时 * 100%  double ratio = totalMs > 0 ? (deltaMs / (double)totalMs) * 100.0 : 0; string ratioStr = ratio.ToString("F1") + "%"; rows.Add((steps[i].name, timeMs, deltaMs, ratioStr)); prevTimeMs = timeMs; } // 表头  string header = $"{"步骤名称",-nameWidth} {"耗时(ms)",8} {"增量(ms)",8} {"占比",6}"; Debug.Log(header); // 输出每一行  foreach (var row in rows) { string line = $"{row.name,-nameWidth} {row.timeMs,8} {row.deltaMs,8} {row.ratioStr,6}"; Debug.Log(line); } // 汇总行（总用时）  Debug.Log(new string('-', header.Length)); // 分隔线  string totalLine = $"{"总用时",-nameWidth} {totalMs,8} {"",8} {"",6}"; Debug.Log(totalLine); // 步骤间耗时明细（可选）  if (steps.Count > 1) { Debug.Log("/n--- 步骤间耗时明细 ---"); for (int i = 1; i < steps.Count; i++) { double elapsedSeconds = steps[i].time - steps[i - 1].time; Debug.Log($"{steps[i - 1].name} → {steps[i].name}: {FormatMilliseconds(elapsedSeconds)} ms"); } } } public void Reset() => steps.Clear(); private string FormatMilliseconds(double seconds) { long ms = (long)Math.Round(seconds * 1000.0, MidpointRounding.AwayFromZero); return ms.ToString(); } // 静态便捷方法  public static void Mark(string step) => Instance.Mark(step); public static void PrintSummary() => Instance.PrintSummary(); public static void Reset() => Instance.Reset(); } 

1 2 3 4 5 6 7 8 9 

=== 启动时间总结 === 总启动耗时: 300 ms 步骤名称 耗时(ms) 增量(ms) 占比 Awake 50 0 0.0% Start 150 100 33.3% ResourcesLoaded 300 150 50.0% ----------------------------------------------- 总用时 300