Android性能指标FPS获取的JAVA实现
来源：互联网 发布：网络ms是什么意思啊 编辑：程序博客网 时间：2024/05/23 02:18
先贴代码，待会再编辑
import java.io.BufferedReader;import java.io.InputStreamReader;import java.util.ArrayList;public class FpsCount {//采样频率，单位ms private static int WAITTIME = 1600; //采样次数 private static int RUNTIMES = 10; //gfxinfo用到的command private static String gfxCMD = "adb shell dumpsys gfxinfo com.huajiao"; //需要监控的层 private static String layerName="SurfaceView"; private static String[] command = { "cmd", "/c", "adb shell dumpsys SurfaceFlinger --latency "+layerName}; //清空之前采样的数据，防止统计重复的时间 private static String[] clearCommand = { "cmd", "/c", "adb shell dumpsys SurfaceFlinger --latency-clear"}; private static String[] comd_getUpTime = { "cmd", "/c", "adb shell cat /proc/uptime"}; private static double MillSecds = 1000000.0; private static double NANOS = 1000000000.0; public static void main(String[] args) throws InterruptedException, ArrayIndexOutOfBoundsException { try { for (int i = 0; i < RUNTIMES; i++) { if(layerName==null || "".equals(layerName)){ new RuntimeException("图层获取失败！"); }else{ Runtime.getRuntime().exec(clearCommand); Thread.sleep(WAITTIME); getFps(layerName); } System.out.println("<================第"+(i+1)+"次测试完成！===============>"); } } catch (Exception e) { // TODO: handle exception } } //计算fps 通过SurfaceFlinger --latency获取 @SuppressWarnings("unused") static void getFps(String layer){ BufferedReader br = null,br2 = null,br3 = null; java.text.DecimalFormat df1=new java.text.DecimalFormat("#.0"); java.text.DecimalFormat df2=new java.text.DecimalFormat("#.00"); java.text.DecimalFormat df3=new java.text.DecimalFormat("#.000"); double refreshPriod=0; //设备刷新周期 //这段是使用gfxinfo统计fps，可以删掉 try { Process prt = Runtime.getRuntime().exec(gfxCMD); br3 = new BufferedReader(new InputStreamReader(prt.getInputStream())); String line; boolean flag=false; int frames2=0,jankCount=0,vsync_overtime=0; float countTime=0; while((line = br3.readLine()) != null){ if(line.length()>0){ if(line.contains("Execute")){ flag=true; continue; } if(line.contains("View hierarchy:")){ flag=false; continue; } if(flag){ if(!line.contains(":") && !line.contains("@")){ String[] timeArray = line.trim().split(" "); float oncetime=Float.parseFloat(timeArray[0])+Float.parseFloat(timeArray[1]) +Float.parseFloat(timeArray[2])+Float.parseFloat(timeArray[3]); frames2+=1; countTime=countTime+oncetime; if(oncetime > 16.67){ jankCount+=1; if(oncetime % 16.67 == 0){ vsync_overtime += oncetime/16.67 - 1; }else{ vsync_overtime += oncetime/16.67; } } } } } } if((frames2 + vsync_overtime)>0){ float ffps = frames2 * 60 / (frames2 + vsync_overtime); //System.out.println("gfxinfo方式 | 总帧数："+frames2+" fps："+ffps+" 跳帧数："+jankCount); } //下面代码是利用制定层获取fps的代码 //get device uptime String upTime=""; Process pt = Runtime.getRuntime().exec(comd_getUpTime); br2 = new BufferedReader(new InputStreamReader(pt.getInputStream())); String uptmeLine; while((uptmeLine = br2.readLine()) != null){ if(uptmeLine.length()>0){ upTime = uptmeLine.split(" ")[0]; } } Process p = Runtime.getRuntime().exec(command); br = new BufferedReader(new InputStreamReader(p.getInputStream())); String returnInfo = null; double b = 0; int frames = 0,jank=0; double totalCountPeriod=0; String beginRenderTime="0.0",endRenderTime="0.0"; double r=0; int count=1; while((returnInfo = br.readLine()) != null){ if(!"".equals(returnInfo) && returnInfo.length() > 0){ count++; int frameSize = returnInfo.split("\\s{1,}").length; if(frameSize==1){ refreshPriod = Double.parseDouble(returnInfo)/MillSecds; b = 0; frames = 0; r=refreshPriod; }else{ if(frameSize==3){ String[] timeStamps = returnInfo.split("\\s{1,}"); double t0 = Double.parseDouble(timeStamps[0]); double t1 = Double.parseDouble(timeStamps[1]); double t2 = Double.parseDouble(timeStamps[2]); if(t1 > 0 && !"9223372036854775807".equals(timeStamps[1])){ if(b==0){ b=t1; jank=0; }else{ double countPeriod = (t1-b)/MillSecds; //统计周期，大于500ms重新置为0 if(countPeriod>500){ if(frames>0){ System.out.println(totalCountPeriod/1000); System.out.println("SurfaceFlinger方式(超时了) | 开始采样时间点："+beginRenderTime+"s " + "|结束采样时间点："+df3.format(b/NANOS)+"s " + "|fps："+df2.format(frames*1000/totalCountPeriod) + " |Frames："+frames + " |单帧平均渲染时间："+df2.format(totalCountPeriod/frames)+"ms"); } b=t1; frames=0; totalCountPeriod=0; jank=0; }else{ frames+=1; if(countPeriod>r){ totalCountPeriod+=countPeriod; if((t2-t0)/MillSecds > r){ jank+=1; } b=t1; }else{ totalCountPeriod+=r; b=Double.parseDouble(df1.format(b+r*MillSecds)); } } } if(frames==0){ beginRenderTime=df3.format(t1/NANOS); } } } } } } if(frames>0){ System.out.println("SurfaceFlinger方式 | 开始采样时间点："+beginRenderTime+"s " + "|结束采样时间点："+df3.format(b/NANOS)+"s " + "|fps："+df2.format(frames*1000/totalCountPeriod) + " |Frames："+frames + " |单帧平均渲染时间："+df2.format(totalCountPeriod/frames)+"ms"); }else{ System.out.println("获取的层不正确 or 当前没有渲染操作,请拖动屏幕"); } } catch (Exception e) { e.printStackTrace(); }finally { if (br != null) { try { Runtime.getRuntime().exec(clearCommand); br.close(); } catch (Exception e) { e.printStackTrace(); } } } }} 0 0
- Android性能指标FPS获取的JAVA实现
- Android性能指标FPS获取的JAVA实现
- Android获取FPS的方式
- Android 获取FPS
- 实现Android下的FPS实时显示工具
- 实现Android下的FPS实时显示工具
- 实现Android下的FPS实时显示工具
- Android性能测试之fps获取
- android性能2-电量、流量、FPS获取
- Android性能测试之fps获取
- 获取mp4文件的帧率fps
- 几种获取 FPS 的方式
- Android开发中FPS游戏实现的两种方式比较
- 如何计算android view的FPS
- unity中获取FPS
- 一种注入到unity游戏进程获取FPS的方法
- Android游戏开发2种FPS 实现比较
- Android游戏开发2种FPS 实现比较
- php根据查询条件拼接sql语句
- java项目加载配置文件的工具类
- 停止事件冒泡和阻止浏览器默认行为
- Eclipse远程调试Linux上的Tomcat
- apt-get和nvm装node有什么区别
- Android性能指标FPS获取的JAVA实现
- 项目在线培训分析（一）权限5张表
- 测试ipv6情况
- nexus安装成功后启动失败解决方案
- jquery操作select
- Gif图的分解
- Scala学习笔记（一） --- 搭建Scala环境，并运行第一个程序
- android 设计模式之代理模式
- 命令搜索命令whereis与which
