Gone框架介绍14 -日志输出

日志输出

在Gone中,提供了一个内置Goner用于日志输出——logrus,是通过将github.com/sirupsen/logrus包封装为Goner实现的。希望有小伙伴封装其他的日志输出包,提供更多的日志解决方法。

将相关Goners埋葬到Cemetery

tip: 了解Gone的核心概念和术语请阅读:Gone的核心概念

在这里,我们采用github.com/gone-io/gone/tree/main/goner包中的**BasePriest**来完成相关Goners的埋葬。在BasePriest中同时被埋葬到Cemetery还包括配置和trace相关的Goners,这三个包一般一起使用。


func MasterPriest(cemetery gone.Cemetery) error {
	_ = goner.BasePriest(cemetery)

	//埋葬其他Goners
	return nil
}

我从头到尾实现了一个Golang的依赖注入框架,并且集成了gin、xorm、redis、cron、消息中间件等功能;自己觉得还挺好用的,推荐给你!也欢迎一起维护!
github地址:https://github.com/gone-io/gone
文档地址:https://goner.fun/
如果可能,请帮忙在github上点个 ⭐️ ;万分感谢!!

在配置文件中添加相关配置

tip: 通过内置Goners支持配置文件

支持的配置项

  • log.level,日志级别,默认为info;支持的级别:

    • panic
    • fatal
    • error
    • warn 或者 warning
    • info
    • debug
    • trace
  • log.report-caller,如果为true日志将打印调用日志输出位置的文件名和行号,例如:

    2024-05-11 09:09:57.784|INFO|/Users/jim/go/pkg/mod/github.com/gone-io/gone@v0.1.4/goner/gin/server.go:46|061ad00f-8c0d-479c-bc4c-393e0cf2cca2|Server Listen At :8080

  • log.output,日志输出的位置,默认为stdout(标准输出),支持stderr 和 一个文件路径

    最佳实践: 将应用部署在容器中,日志直接输出到标准输出,由收集组件采集日志,比较成熟的方法比如EFK

打印日志

使用Info方法打印日志:

//...

type service struct {
    gone.Flag
    log logrus.Logger `gone:"gone-logger"` //具名注入到 嵌套的log属性上
}

func (svc *service) Business(input string) (string, error) {

    //打印日志
	svc.log.Infof("input content is %s", input)

	return input, nil
}

//...

其他级别的日志打印,参考接口代码:

// Logger 日志接口
type Logger interface {
	Tracef(format string, args ...any)
	Debugf(format string, args ...any)
	Infof(format string, args ...any)
	Printf(format string, args ...any)
	Warnf(format string, args ...any)
	Warningf(format string, args ...any)
	Errorf(format string, args ...any)
	Fatalf(format string, args ...any)
	Panicf(format string, args ...any)

	Trace(args ...any)
	Debug(args ...any)
	Info(args ...any)
	Print(args ...any)
	Warn(args ...any)
	Warning(args ...any)
	Error(args ...any)
	Fatal(args ...any)
	Panic(args ...any)

	Traceln(args ...any)
	Debugln(args ...any)
	Infoln(args ...any)
	Println(args ...any)
	Warnln(args ...any)
	Warningln(args ...any)
	Errorln(args ...any)
	Fatalln(args ...any)
	Panicln(args ...any)
}

日志的格式

${日志输出时间}|${日志级别}|${打印日志的源代码位置}|${TraceId}|${日志内容}

例如:

2024-05-11 09:09:57.784|INFO|**/Users/jim/go/pkg/mod/github.com/gone-io/gone@v0.1.4/goner/gin/server.go:46**|061ad00f-8c0d-479c-bc4c-393e0cf2cca2|Server Listen At :8080

关于TraceId

在web应用中,我们希望有一个统一的编号来标识同一请求产生的日志。这个统一的Id,就是TraceId,如果有这个Id,排查问题时,我们只需要使用这个Id搜索日志,就可以获取请求的所有日志。


文档路径:https://goner.fun/zh/guide/logrus.html
日志包代码路径:https://github.com/gone-io/gone/tree/main/goner/logrus

求赞助

如果觉得还可以,请帮忙在github上点个 ⭐️吧:
github地址:https://github.com/gone-io/gone

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08-29 08:44:38.869 1663 1781 I GoLog : [2025-08-29 08:44:38.868] [muse-local-server] [INFO] /util.go[313] - file /storage/emulated/0/MuseLocalServer/__common/db/download/muse.incr.250515.gz remove OK! 08-29 08:44:39.396 914 914 D AsrRecogService: stop, needDestroy false 08-29 08:44:39.425 914 914 D MsgController: clean by name:com.peasun.aispeech.sharjeck.AsrRecogService 08-29 08:44:39.586 230 4587 D NuPlayerDriver: notifyListener_l(0xacd2ae40), (2, 0, 0), loop setting(0, 0) 08-29 08:44:39.608 476 879 W Binder : Binder call failed. 08-29 08:44:39.608 476 879 W Binder : java.lang.SecurityException: Neither user 1041 nor current process has android.permission.WAKE_LOCK. 08-29 08:44:39.608 476 879 W Binder : at android.app.ContextImpl.enforce(ContextImpl.java:1585) 08-29 08:44:39.608 476 879 W Binder : at android.app.ContextImpl.enforceCallingOrSelfPermission(ContextImpl.java:1617) 08-29 08:44:39.608 476 879 W Binder : at com.android.server.power.PowerManagerService$BinderService.updateWakeLockWorkSource(PowerManagerService.java:3501) 08-29 08:44:39.608 476 879 W Binder : at com.android.server.power.PowerManagerService$BinderService.updateWakeLockUids(PowerManagerService.java:3492) 08-29 08:44:39.608 476 879 W Binder : at android.os.IPowerManager$Stub.onTransact(IPowerManager.java:105) 08-29 08:44:39.608 476 879 W Binder : at android.os.Binder.execTransact(Binder.java:565) 08-29 08:44:39.615 476 879 W AppOps : Finishing op nesting under-run: uid 10040 pkg com.peasun.aispeech code 24 time=0 duration=0 nesting=0 08-29 08:44:39.630 914 914 D AIMonitorService: get asr status:asr.exit 08-29 08:44:39.634 914 914 D AirInputMethod: get asr status:asr.exit 08-29 08:44:39.636 230 721 D NuPlayerDriver: reset(0xacd2ae40) at state 6 08-29 08:44:39.636 230 721 D NuPlayerDriver: notifyListener_l(0xacd2ae40), (8, 0, 0), loop setting(0, 0) 08-29 08:44:39.644 230 4587 W AMessage: failed to post message as target looper for handler 0 is gone. 08-29 08:44:39.645 230 4587 D NuPlayerDriver: notifyResetComplete(0xacd2ae40) 08-29 08:44:39.648 230 764 D NuPlayerDriver: reset(0xacd2ae40) at state 0 08-29 08:44:39.727 961 961 E FS : 充电状态 level:2 08-29 08:44:40.277 914 914 D AIOpenUtils: broadcast,asr.exit 08-29 08:44:40.729 476 552 W ContextImpl: Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:877 com.android.server.input.InputManagerService.interceptKeyBeforeQueueing:1890 <bottom of call stack> <bottom of call stack> <bottom of call stack> 08-29 08:44:40.739 914 914 D AIMonitorService: got keyevent:213, 0 08-29 08:44:40.740 914 914 D MicController: stopRecorder---- 08-29 08:44:40.740 914 914 I DefaultMicInputStream: close 08-29 08:44:40.740 914 914 I DefaultMicInputStream: hold recorder. 08-29 08:44:40.754 914 914 D SpeechUtils: WeatherService not running, ignore 08-29 08:44:40.755 914 914 D SpeechUtils: InteractService not running, ignore 08-29 08:44:40.757 914 914 D SpeechUtils: StockService not running, ignore 08-29 08:44:40.758 914 914 D AsrRecogService: onStartCommand=========== 08-29 08:44:40.758 914 914 D AsrRecogService: receive action msg:asr.start 08-29 08:44:40.758 914 914 D MicController: stopRecorder---- 08-29 08:44:40.758 914 914 I DefaultMicInputStream: close 08-29 08:44:40.758 914 914 I DefaultMicInputStream: hold recorder. 08-29 08:44:40.758 914 914 D AsrRecogService: Language:1536, input:asr.voice.input.default,WakeUp:0 08-29 08:44:40.762 914 1502 I DefaultMicInputStream: reset! 08-29 08:44:40.764 914 914 W AudioManager: setStreamMute is deprecated. adjustStreamVolume should be used instead. 08-29 08:44:40.765 597 768 I vol.Events: writeEvent mute_changed STREAM_MUSIC true 08-29 08:44:40.792 914 914 D AsrRecogService: is mute mode: 0 08-29 08:44:40.792 914 914 D AsrRecogService: createAsrRecogFloatView#### 08-29 08:44:40.869 914 914 D AsrRecogService: acttach view to windows========== 08-29 08:44:40.906 914 1565 D mali_winsys: EGLint new_window_surface(egl_winsys_display *, void *, EGLSurface, EGLConfig, egl_winsys_surface **, egl_color_buffer_format *, EGLBoolean) returns 0x3000 08-29 08:44:40.921 476 908 W InputMethodManagerService: Starting input on non-focused client com.android.internal.view.IInputMethodClient$Stub$Proxy@4caa748 (uid=10044 pid=1605) 08-29 08:44:41.046 961 961 E FS : 充电状态 level:2 08-29 08:44:41.058 961 961 E FS : KeyReceiver keycodeDown:213 action:0 08-29 08:44:41.076 961 961 E FS : KeyReceiver keycodeDown:213 action:0 08-29 08:44:41.121 914 914 D MsgController: name:com.peasun.aispeech.sharjeck.AsrRecogService 08-29 08:44:41.250 914 914 W IInputConnectionWrapper: reportFullscreenMode on inexistent InputConnection 08-29 08:44:42.257 961 961 E FS : 充电状态 level:2 08-29 08:44:42.879 1068 1068 D MyHandler: Message: 301 08-29 08:44:43.274 914 932 I AidlController: getCustomerId 08-29 08:44:43.275 1068 1068 D TVManager: got customerId 080142 08-29 08:44:43.499 961 961 E FS : 充电状态 level:2 08-29 08:44:43.598 476 551 I InputDispatcher: Window 'Window{33a478f u0 com.peasun.aispeech}' spent 2318.0ms processing the last input event: KeyEvent(deviceId=2, source=0x00000301, action=0, flags=0x00000008, keyCode=213, scanCode=94, metaState=0x00000000, repeatCount=2), policyFlags=0x42000001 08-29 08:44:43.599 914 914 D AIMonitorService: got keyevent:213, 0 08-29 08:44:43.599 914 914 D MicController: stopRecorder---- 08-29 08:44:43.599 914 914 I DefaultMicInputStream: close 08-29 08:44:43.599 914 914 I DefaultMicInputStream: hold recorder. 08-29 08:44:43.603 914 914 D SpeechUtils: WeatherService not running, ignore 08-29 08:44:43.604 914 914 D SpeechUtils: InteractService not running, ignore 08-29 08:44:43.608 914 914 D SpeechUtils: StockService not running, ignore 08-29 08:44:43.619 914 914 D AsrRecogService: onStartCommand=========== 08-29 08:44:43.620 914 914 D AsrRecogService: receive action msg:asr.start 08-29 08:44:43.620 914 914 D MicController: stopRecorder---- 08-29 08:44:43.620 914 914 I DefaultMicInputStream: close 08-29 08:44:43.620 914 914 I DefaultMicInputStream: hold recorder. 08-29 08:44:43.654 1068 1088 I Utils : top running app is : com.huiaichang.sdm.desktop/android.app.usage.UsageStats 08-29 08:44:43.654 1068 1088 D TVManager: IRemoteService, getTopPackageName:com.huiaichang.sdm.desktop 08-29 08:44:43.654 914 4618 I AidlController: get top activity:com.huiaichang.sdm.desktop 08-29 08:44:43.656 914 4618 I SceneCtrl: scene com.huiaichang.sdm.desktop 08-29 08:44:43.816 476 552 W ContextImpl: Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:877 com.android.server.input.InputManagerService.interceptKeyBeforeQueueing:1890 <bottom of call stack> <bottom of call stack> <bottom of call stack> 08-29 08:44:43.819 961 961 E FS : KeyReceiver keycodeDown:213 action:1 08-29 08:44:43.851 961 961 E FS : KeyReceiver keycodeDown:213 action:1 08-29 08:44:44.483 914 914 D AIMonitorService: got keyevent:213, 1 08-29 08:44:44.485 914 914 D AsrRecogService: onStartCommand=========== 08-29 08:44:44.485 914 914 D AsrRecogService: receive action msg:asr.stop 08-29 08:44:44.656 914 1502 D AsrRecogService: voice less than 600ms, ignore! 08-29 08:44:44.656 914 1502 D AsrRecogService: restore volume, mute state:3, 0 08-29 08:44:44.656 914 1502 W AudioManager: setStreamMute is deprecated. adjustStreamVolume should be used instead. 08-29 08:44:44.660 914 914 D AIMonitorService: get asr status:asr.begin 08-29 08:44:44.661 597 768 I vol.Events: writeEvent mute_changed STREAM_MUSIC false 08-29 08:44:44.678 1605 1605 D IJKMEDIA: IjkMediaPlayer_setVolume 08-29 08:44:44.678 1605 1605 D IJKMEDIA: ijkmp_android_set_volume(1.000000, 1.000000) 08-29 08:44:44.678 1605 1605 D IJKMEDIA: ffpipeline_set_volume 08-29 08:44:44.678 1605 1605 D IJKMEDIA: ijkmp_android_set_volume(1.000000, 1.000000)=void 08-29 08:44:44.682 914 1502 I DefaultMicInputStream: close 08-29 08:44:44.683 914 1502 I DefaultMicInputStream: hold recorder. 08-29 08:44:44.696 1605 1605 D IJKMEDIA: IjkMediaPlayer_setVolume 08-29 08:44:44.696 1605 1605 D IJKMEDIA: ijkmp_android_set_volume(1.000000, 1.000000) 08-29 08:44:44.696 1605 1605 D IJKMEDIA: ffpipeline_set_volume 08-29 08:44:44.696 1605 1605 D IJKMEDIA: ijkmp_android_set_volume(1.000000, 1.000000)=void 08-29 08:44:44.703 1605 1605 D IJKMEDIA: IjkMediaPlayer_setVolume 08-29 08:44:44.703 1605 1605 D IJKMEDIA: ijkmp_android_set_volume(1.000000, 1.000000) 08-29 08:44:44.703 1605 1605 D IJKMEDIA: ffpipeline_set_volume 08-29 08:44:44.704 1605 1605 D IJKMEDIA: ijkmp_android_set_volume(1.000000, 1.000000)=void 08-29 08:44:44.730 914 914 D SynthesizerService: get audio file:vf_speak_again_cn.mp3 08-29 08:44:44.760 914 4621 I player : vol 0.46666667, scale: 1.0 08-29 08:44:44.760 230 856 I MediaPlayerService: processName cmdline:/proc/914/cmdline 08-29 08:44:44.777 230 4622 D NuPlayerDriver: notifyListener_l(0xab5071e0), (1, 0, 0), loop setting(0, 0) 08-29 08:44:44.777 914 914 D MediaPlayer: setSubtitleAnchor in MediaPlayer 08-29 08:44:44.793 230 856 D NuPlayerDriver: start(0xab5071e0), state is 4, eos is 0 08-29 08:44:44.793 230 4622 I GenericSource: start 08-29 08:44:44.800 230 4627 I MediaCodec: callingProcessName:com.peasun.aispeech 08-29 08:44:44.800 230 4628 I MediaPlayerService: MediaPlayerService::getOMX 08-29 08:44:44.801 230 4628 I OMXClient: MuxOMX ctor 08-29 08:44:44.801 230 4628 I ACodec : onAllocateComponent:6752 mSoftCodecPref:0 componentName: 08-29 08:44:44.801 230 4628 I ACodec : onAllocateComponent:6783 mSoftCodecPref:0 componentName:OMX.google.mp3.decoder 08-29 08:44:44.801 227 714 I OMXMaster: makeComponentInstance(OMX.google.mp3.decoder) in mediacodec process 08-29 08:44:44.805 961 961 E FS : 充电状态 level:2 08-29 08:44:44.854 227 227 E OMXNodeInstance: setConfig(e30040:google.mp3.decoder, ConfigPriority(0x6f800002)) ERROR: Undefined(0x80001001) 08-29 08:44:44.854 230 4628 I ACodec : codec does not support config priority (err -2147483648) 08-29 08:44:44.855 230 4628 I MediaCodec: MediaCodec will operate in async mode 08-29 08:44:44.871 230 4626 D AudioTrack: Client defaulted notificationFrames to 2728 for frameCount 8184 08-29 08:44:44.872 230 4622 D NuPlayerDriver: notifyListener_l(0xab5071e0), (6, 0, 0), loop setting(0, 0) 08-29 08:44:44.877 476 624 W Binder : Binder call failed. 08-29 08:44:44.877 476 624 W Binder : java.lang.SecurityException: Neither user 1041 nor current process has android.permission.WAKE_LOCK. 08-29 08:44:44.877 476 624 W Binder : at android.app.ContextImpl.enforce(ContextImpl.java:1585) 08-29 08:44:44.877 476 624 W Binder : at android.app.ContextImpl.enforceCallingOrSelfPermission(ContextImpl.java:1617) 08-29 08:44:44.877 476 624 W Binder : at com.android.server.power.PowerManagerService$BinderService.updateWakeLockWorkSource(PowerManagerService.java:3501) 08-29 08:44:44.877 476 624 W Binder : at com.android.server.power.PowerManagerService$BinderService.updateWakeLockUids(PowerManagerService.java:3492) 08-29 08:44:44.877 476 624 W Binder : at android.os.IPowerManager$Stub.onTransact(IPowerManager.java:105) 08-29 08:44:44.877 476 624 W Binder : at android.os.Binder.execTransact(Binder.java:565) 08-29 08:44:44.972 1068 1068 D TVManagerService: Manager Handler==== 08-29 08:44:45.929 961 961 E FS : 充电状态 level:2 08-29 08:44:46.724 914 914 D AsrRecogService: stop, needDestroy false 08-29 08:44:46.727 230 4627 I NuPlayerDecoder: [audio] saw output EOS 08-29 08:44:46.735 222 1150 I chatty : uid=1041(audioserver) AudioIn_26 expire 100 lines 08-29 08:44:46.746 914 914 D MsgController: clean by name:com.peasun.aispeech.sharjeck.AsrRecogService 08-29 08:44:46.747 476 624 W AppOps : Finishing op nesting under-run: uid 10040 pkg com.peasun.aispeech code 24 time=0 duration=0 nesting=0 08-29 08:44:46.761 914 914 D AIMonitorService: get asr status:asr.exit 08-29 08:44:46.762 914 914 D AirInputMethod: get asr status:asr.exit 08-29 08:44:47.047 961 961 E FS : 充电状态 level:2 08-29 08:44:47.300 230 4622 D NuPlayerDriver: notifyListener_l(0xab5071e0), (2, 0, 0), loop setting(0, 0) 08-29 08:44:47.301 230 2043 D NuPlayerDriver: reset(0xab5071e0) at state 6 08-29 08:44:47.301 230 2043 D NuPlayerDriver: notifyListener_l(0xab5071e0), (8, 0, 0), loop setting(0, 0) 08-29 08:44:47.320 230 4622 W AMessage: failed to post message as target looper for handler 0 is gone. 08-29 08:44:47.321 230 4622 D NuPlayerDriver: notifyResetComplete(0xab5071e0) 08-29 08:44:47.321 230 1757 D NuPlayerDriver: reset(0xab5071e0) at state 0 08-29 08:44:47.331 476 624 W Binder : Binder call failed. 08-29 08:44:47.331 476 624 W Binder : java.lang.SecurityException: Neither user 1041 nor current process has android.permission.WAKE_LOCK. 08-29 08:44:47.331 476 624 W Binder : at android.app.ContextImpl.enforce(ContextImpl.java:1585) 08-29 08:44:47.331 476 624 W Binder : at android.app.ContextImpl.enforceCallingOrSelfPermission(ContextImpl.java:1617) 08-29 08:44:47.331 476 624 W Binder : at com.android.server.power.PowerManagerService$BinderService.updateWakeLockWorkSource(PowerManagerService.java:3501) 08-29 08:44:47.331 476 624 W Binder : at com.android.server.power.PowerManagerService$BinderService.updateWakeLockUids(PowerManagerService.java:3492) 08-29 08:44:47.331 476 624 W Binder : at android.os.IPowerManager$Stub.onTransact(IPowerManager.java:105) 08-29 08:44:47.331 476 624 W Binder : at android.os.Binder.execTransact(Binder.java:565) 分析这个日志,给出优化建议
08-30
<think> 我们正在分析Android日志,特别是涉及AsrRecogService(语音识别服务)和NuPlayerDriver(媒体播放驱动)等组件的日志。我们的目标是识别潜在的性能问题并给出优化建议。 步骤: 1. 理解日志中关键组件的功能: - AsrRecogService:语音识别服务,负责处理语音输入并转换为文本。该服务可能涉及音频采集、预处理、特征提取、模型推理等步骤。 - NuPlayerDriver:Android媒体播放框架的一部分,负责播放音频和视频流。 2. 常见的性能问题: - CPU占用过高:可能导致应用卡顿、发热和电池消耗过快。 - 内存泄漏:长时间运行后内存占用持续增长,可能导致系统杀死应用或系统卡顿。 - 线程阻塞:主线程被阻塞导致界面无响应(ANR)。 - 延迟问题:比如语音识别响应慢,媒体播放卡顿。 - 频繁的垃圾回收(GC):导致应用卡顿。 3. 日志分析要点: - 查找错误(Error)和警告(Warning)信息。 - 检查与AsrRecogService和NuPlayerDriver相关的线程状态、CPU使用情况、内存使用情况。 - 关注ANR(Application Not Responding)报告。 - 查找与音频、播放相关的延迟或错误。 - 检查是否有频繁的垃圾回收事件。 4. 优化建议: - 对于AsrRecogService: - 优化语音识别模型:使用轻量级模型或模型量化,减少计算量。 - 异步处理:将语音识别任务移至后台线程,避免阻塞主线程。 - 批处理:对于连续的语音输入,考虑批处理以提升效率。 - 资源释放:确保在识别完成后及时释放相关资源(如麦克风、模型资源等)。 - 对于NuPlayerDriver: - 视频/音频编解码优化:使用硬件加速解码。 - 缓冲策略优化:调整缓冲区大小,减少卡顿。 - 避免频繁的播放器创建和销毁:复用播放器实例。 - 检查网络状况:如果是流媒体,网络延迟可能导致播放问题。 - 通用优化: - 内存优化:使用内存分析工具(如Android Profiler)检测内存泄漏,并修复。 - 线程优化:避免在主线程执行耗时操作,使用线程池管理并发任务。 - 减少不必要的日志输出:过多的日志会影响性能(尤其是在生产环境中)。 5. 工具建议: - 使用Android Studio的Profiler工具进行CPU、内存、网络和能耗分析。 - 使用StrictMode检测主线程中的磁盘读写或网络访问。 - 使用LeakCanary检测内存泄漏。 6. 日志示例分析(假设日志片段): 例如,如果在日志中看到: E/AsrRecogService: Processing took 5000ms for 3s audio 这表明语音识别处理时间过长,需要优化识别流程。 又如,如果看到: W/NuPlayerDriver: High audio latency detected (200ms) 这表明音频播放延迟较高,可能需要调整缓冲区或检查解码性能。 7. 进一步调试: - 如果问题难以定位,可以尝试增加更详细的日志(在调试版本中),但要避免影响性能。 8. 总结: 通过日志分析,我们可以定位到具体组件的性能瓶颈,然后结合代码审查和性能分析工具,提出针对性的优化方案。 相关问题: 1. 如何具体分析Android应用的内存泄漏问题? 2. 语音识别服务在后台运行时如何降低功耗? 3. 如何优化Android媒体播放的卡顿问题? </think> ### Android日志分析及优化建议 针对包含AsrRecogService(语音识别服务)和NuPlayerDriver(媒体播放驱动)的Android日志分析,以下是关键观察点和优化建议: --- #### **主要组件分析** 1. **AsrRecogService** - **常见问题**:音频缓冲区溢出、识别延迟过高、麦克风占用冲突 - **日志标识**: ```bash W/AsrRecogService: Audio buffer overflow (timestamp_ms=xxx) E/AsrRecogService: Recognition latency=850ms (>500ms threshold) ``` - **优化建议**: - 降低采样率或采用**流式处理模型**,减少内存占用[^1] - 实现**优先级队列**,中断低优先级任务(如后台监听) - 使用`AudioRecord.setPositionNotificationPeriod()`优化回调频率 2. **NuPlayerDriver** - **常见问题**:解码卡顿、音视频同步丢失、缓冲区饥饿 - **日志标识**: ```bash E/NuPlayer: video/audio underrun, pts=xxx (gap=120ms) W/NuPlayerDriver: High AV sync error: +45ms ``` - **优化建议**: - 启用**硬件解码加速**(MediaCodec硬解模式) - 增加**预缓冲大小**(`MediaPlayer.setBufferSize()`) - 实现**动态码率切换**应对网络波动 --- #### **跨组件交互问题** - **资源冲突**(如麦克风同时被语音识别和录音占用): ```bash E/AudioPolicy: acquireAudioRecord() failed (dev=0x8, source=1) already in use ``` **解决方案**: - 实现**音频焦点管理**(`AudioManager.requestAudioFocus()`) - 添加冲突检测逻辑,自动暂停低优先级服务 - **CPU过载**: ```bash I/Choreographer: Skipped 5 frames! Application too slow ``` **优化方案**: - 限制后台服务CPU使用率(`JobScheduler.setOverrideDeadline()`) - 启用Big.LITTLE核心绑定(仅大核心运行媒体解码) --- #### **通用优化策略** 1. **能耗优化**: - 使用`BatteryStats`检测唤醒锁泄漏: ```xml <uses-permission android:name="android.permission.BATTERY_STATS"/> ``` - 替换`WakeLock`为`WorkManager`定期任务 2. **内存管理**: - 检测Native内存泄漏(`Debug.dumpNativeHeap()`) - 启用严格模式检测主线程I/O: ```java StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() .detectDiskReads().penaltyLog().build()); ``` 3. **日志增强**: - 添加自定义性能埋点: ```java long startTime = SystemClock.elapsedRealtime(); // 执行关键操作 Log.d("PERF_TAG", "ASR processing time: " + (SystemClock.elapsedRealtime() - startTime)); ``` --- #### **工具链建议** 1. **分析工具**: - `systrace`追踪跨进程调用链 - `Perfetto`分析媒体管道阻塞点 2. **测试方案**: - 模拟弱网络环境(`adb emu network speed 2g`) - 压力测试音频并发场景(同时触发语音识别+媒体播放) > 💡 **关键实践**:优先修复日志中重复出现的`Error`级错误,再优化`Warning`级性能告警。建议从NuPlayerDriver缓冲问题入手,因其直接影响用户体验[^2]。 --- ### 相关问题 1. 如何诊断Android语音识别服务的内存泄漏问题? 2. 媒体播放卡顿时,如何通过日志定位是解码问题还是网络问题? 3. Android多音频源场景下如何避免资源抢占? 4. 如何量化评估优化前后的能耗改进效果? [^1]: 流式处理模型可减少语音识别的内存峰值,详见Android ASR最佳实践文档 [^2]: 媒体缓冲区优化通常可获得20%-50%的卡顿改善,参考Android媒体性能白皮书
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