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(46) events_logからのアプリケーション終了

2022-02-28 10:53:26

前置き 最初はsys_logとmain_logを見て、今はevent_logをちょこちょこ見て、ほとんど気にしてないんですけどね。


1. events_log はじめに

私のevents_logに関する知識はまだ比較的浅く、onCreate OnPause OnDestroyといったアプリケーションのライフサイクルに関わるものであることはよく理解しているつもりです。Baiduにevents_logはActivityManagerやPowerManagerなどの関連ログに関するものであると、より簡潔な紹介がありましたので、後日追記します。

adb crawl events_log コマンド： adb logcat -b events

2. アプリの終了ログを取得する

アプリケーションがクラッシュしたとき、私はいつもcrash_logを見るのが好きで、スタックやヌルポインタなどが一目でわかるようにプリントアウトされます。

テストデモの様子 

package com.example.onkeydowntest;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;

public class MainActivity extends AppCompatActivity {
    private static final String TAG = "jiatai";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        Log.d(TAG, "onKeyDown : "+ keyCode);
        switch (keyCode) {
            KEYCODE_VOLUME_UP:
                Log.d(TAG, "KeyEvent.KEYCODE_VOLUME_UP");
                String s = null;
                if(s.equals("jiatai")) return false;
                return true;
            case KeyEvent.KEYCODE_VOLUME_DOWN:
                Log.d(TAG, "KEYEvent.KEYCODE_VOLUME_DOWN");
                return true;
            default:
                break;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        //Log.d(TAG, "onKeyUp", new RuntimeException());
        Log.d(TAG, "onKeyUp : "+ keyCode);
        return super.onKeyUp(keyCode, event);
    }
}

2.1 アプリが正常に終了する

デスクトップアイコンから正常に起動し、その後メイン画面を終了するために戻り、最後に最近のタスクからアプリを削除します。 

// Normal launch from desktop icon
06-22 10:17:24.157 794 3981 I am_create_activity: [0,76731128,78,com.example.onkeydowntest/.MainActivity,android.intent.action.MAIN,NULL ,NULL,270532608]
06-22 10:17:24.235 794 1878 I am_proc_start: [0,6269,10134,com.example.onkeydowntest,activity,com.example.onkeydowntest/.MainActivity]
06-22 10:17:24.304 794 3981 I am_proc_bound: [0,6269,com.example.onkeydowntest]
06-22 10:17:24.313 794 3981 I am_restart_activity: [0,76731128,78,com.example.onkeydowntest/.MainActivity]
06-22 10:17:24.315 794 3981 I am_set_resumed_activity: [0,com.example.onkeydowntest/.MainActivity,minimalResumeActivityLocked]
06-22 10:17:25.015 6269 6269 I am_on_resume_called: [0,com.example.onkeydowntest.MainActivity,LAUNCH_ACTIVITY]
06-22 10:17:25.260 794 908 I sysui_multi_action: [319,167,321,127,322,1095,325,1913,757,761,758,7,759,1,806,com.example.onkeydowntest, 871,com.example.onkeydowntest.MainActivity,904,com.xxxx.launcher,905,0,945,152]
06-22 10:17:25.261 794 908 I am_activity_launch_time: [0,76731128,com.example.onkeydowntest/.MainActivity,1027,1027]
// Press the return key to exit the main interface
06-22 10:17:58.757 794 3981 I am_finish_activity: [0,76731128,78,com.example.onkeydowntest/.MainActivity,app-request]
06-22 10:17:58.760 794 3981 I am_pause_activity: [0,76731128,com.example.onkeydowntest/.MainActivity]
06-22 10:17:58.768 6269 6269 I am_on_paused_called: [0,com.example.onkeydowntest.MainActivity,handlePauseActivity]
06-22 10:17:59.113 794 899 I am_destroy_activity: [0,76731128,78,com.example.onkeydowntest/.MainActivity,finish-imm]
06-22 10:17:59.124 6269 6269 I am_on_stop_called: [0,com.example.onkeydowntest.MainActivity,destroy]
// Remove application from recent tasks
06-22 10:18:18.937 1036 1036 I sysui_action: [289,ComponentInfo{com.example.onkeydowntest/com.example.onkeydowntest.MainActivity}]
06-22 10:18:18.938 1036 1036 I sysui_multi_action: [757,289,758,4,806,ComponentInfo{com.example.onkeydowntest/com.example.onkeydowntest. MainActivity}]
06-22 10:18:18.940 794 5473 I am_kill : [0,6269,com.example.onkeydowntest,900,remove task]
06-22 10:18:19.084 794 1732 I am_proc_died: [0,6269,com.example.onkeydowntest,900,17]

別のsys_logグラブを添付する 

06-22 11:28:19.055 868 4357 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg= 0x10200000 cmp=com.example.onkeydowntest/.MainActivity (has extras)} from uid 10012
06-22 11:28:19.081 868 1939 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{d19fab4 u0 com.example. onkeydowntest/.MainActivity t97}. System free memory=621318144
06-22 11:28:19.098 868 1939 I ActivityManager: Start proc 5551:com.example.onkeydowntest/u0a134 for activity com.example.onkeydowntest/. MainActivity duration: 16
06-22 11:28:19.100 868 1939 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{d19fab4 u0 com.example. onkeydowntest/.MainActivity t97}. System free memory=620093440
06-22 11:28:42.550 868 1929 D ActivityManager: [MemInfo] Before resuming ActivityRecord{75f8a7c u0 com.xxxx.launcher/com.android.launcher3. Launcher t93}. Syst



2.2 adbコマンドでアプリを終了させる

デスクトップから普通に起動し、adbコマンドでkillします。 

// Normal start from desktop
06-22 10:19:41.407 794 5437 I am_create_activity: [0,43078101,79,com.example.onkeydowntest/.MainActivity,android.intent.action.MAIN,NULL ,NULL,270532608]
06-22 10:19:41.459 794 5437 I am_proc_start: [0,6401,10134,com.example.onkeydowntest,activity,com.example.onkeydowntest/.MainActivity]
06-22 10:19:41.523 794 834 I am_proc_bound: [0,6401,com.example.onkeydowntest]
06-22 10:19:41.532 794 834 I am_restart_activity: [0,43078101,79,com.example.onkeydowntest/.MainActivity]
06-22 10:19:41.534 794 834 I am_set_resumed_activity: [0,com.example.onkeydowntest/.MainActivity,minimalResumeActivityLocked]
06-22 10:19:42.226 6401 6401 I am_on_resume_called: [0,com.example.onkeydowntest.MainActivity,LAUNCH_ACTIVITY]
06-22 10:19:42.466 794 908 I sysui_multi_action: [319,136,321,90,322,1049,325,2050,757,761,758,7,759,1,806,com.example.onkeydowntest,871 ,com.example.onkeydowntest.MainActivity,904,com.xxxx.launcher,905,0,945,122]
06-22 10:19:42.466 794 908 I am_activity_launch_time: [0,43078101,com.example.onkeydowntest/.MainActivity,1006,1006]

//then kill with adb command
06-22 10:19:53.949 794 891 I am_pss : [6401,10134,com.example.onkeydowntest,39263232,33537024,132096]
06-22 10:20:02.544 794 1965 I am_proc_died: [0,6401,com.example.onkeydowntest,0,2]
06-22 10:20:02.553 794 1965 I am_finish_activity: [0,43078101,79,com.example.onkeydowntest/.MainActivity,proc died without state saved]


システムUIには、最近のタスクにアプリケーションの起動ログが残っているので、それを削除して、以下のログを出力します。 

06-22 10:21:44.465 1036 1036 I sysui_action: [289,ComponentInfo{com.example.onkeydowntest/com.example.onkeydowntest.MainActivity}]
06-22 10:21:44.466 1036 1036 I sysui_multi_action: [757,289,758,4,806,ComponentInfo{com.example.onkeydowntest/com.example.onkeydowntest. MainActivity}]

adb kill アプリケーションコマンドです。                                    
1|xxx:/ # ps -A | grep onkeydown                                       
u0_a134 6401 503 4513416 105752 SyS_epoll_wait 7f52cf86ec S com.example.onkeydowntest
xxxx:/ # kill 6401

6401はアプリケーションに対応するプロセス番号です。6401は、am_proc_startとam-proc_bondの2桁目に相当することがわかります。

再取得したsys_logで 

06-22 11:32:49.636 868 4357 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg= 0x10200000 cmp=com.example.onkeydowntest/.MainActivity (has extras)} from uid 10012
06-22 11:32:49.709 868 2000 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{7e1e417 u0 com.example. onkeydowntest/.MainActivity t99}. System free memory=608862208
06-22 11:32:49.726 868 2000 I ActivityManager: Start proc 5880:com.example.onkeydowntest/u0a134 for activity com.example.onkeydowntest/. MainActivity duration: 16
06-22 11:32:49.727 868 2000 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{7e1e417 u0 com.example. onkeydowntest/.MainActivity t99}. System free memory=607121408
06-22 11:33:00.552 868 1255 I ActivityManager: Process com.example.onkeydowntest (pid 5880) has died: fore TOP 
06-22 11:33:00.552 868 1255 W ActivityManager: App Op not allow to restart app com.example.onkeydowntest/10134
06-22 11:33:00.558 868 1255 W ActivityManager: Force removing ActivityRecord{7e1e417 u0 com.example.onkeydowntest/.MainActivity t99}: app died, no saved state
06-22 11:33:00.605 868 1255 D ActivityManager: [MemInfo] Before resuming ActivityRecord{75f8a7c u0 com.xxxx.launcher/com.android.launcher3. Launcher t93}. System free memory=616087552
06-22 11:33:00.619 868 950 W ActivityManager: setHasOverlayUi called on unknown pid: 5880


2.3 自社のクラッシュを適用する

以下のログから、アプリケーションがクラッシュしたとき、events_log には am_crash と NullPointerException という関連プリントがあり、クラッシュが発生したコードの行数に対応する 23 行が表示されることが確認できます。 

//launching the app from the desktop
06-22 10:30:27.378 794 834 I am_create_activity: [0,257695215,81,com.example.onkeydowntest/.MainActivity,android.intent.action.MAIN,NULL ,NULL,270532608]
06-22 10:30:27.412 794 834 I am_proc_start: [0,7184,10134,com.example.onkeydowntest,activity,com.example.onkeydowntest/.MainActivity]
06-22 10:30:27.487 794 1968 I am_proc_bound: [0,7184,com.example.onkeydowntest]
06-22 10:30:27.501 794 1968 I am_restart_activity: [0,257695215,81,com.example.onkeydowntest/.MainActivity]
06-22 10:30:27.503 794 1968 I am_set_resumed_activity: [0,com.example.onkeydowntest/.MainActivity,minimalResumeActivityLocked]
06-22 10:30:28.222 7184 7184 I am_on_resume_called: [0,com.example.onkeydowntest.MainActivity,LAUNCH_ACTIVITY]
06-22 10:30:28.468 794 908 I sysui_multi_action: [319,135,321,100,322,1080,325,2696,757,761,758,7,759,1,806,com.example.onkeydowntest, 871,com.example.onkeydowntest.MainActivity,904,com.xxxx.launcher,905,0,945,115]
06-22 10:30:28.468 794 908 I am_activity_launch_time: [0,257695215,com.example.onkeydowntest/.MainActivity,1052,1052]


// Pressing the volume up key causes a null pointer crash
06-22 10:30:32.751 794 1965 I am_crash: [7184,0,com.example.onkeydowntest,952680262,java.lang.NullPointerException,Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference,MainActivity.java,23]
06-22 10:30:32.759 794 1965 I am_finish_activity: [0,257695215,81,com.example.onkeydowntest/.MainActivity,force-crash]
06-22 10:30:32.761 794 1965 I am_pause_activity: [0,257695215,com.example.onkeydowntest/.MainActivity]
06-22 10:30:33.709 794 899 I am_destroy_activity: [0,257695215,81,com.example.onkeydowntest/.MainActivity,finish-imm]



// Inexplicable printing during screenshot
06-22 10:31:05.911 794 891 I am_pss : [7184,10134,com.example.onkeydowntest,45856768,39862272,136192]


//click ignore (until device reboots)
スクリーンショットは、以下のように

sys_logを再取得した状態 

06-22 11:34:44.239 868 5873 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg= 0x10200000 cmp=com.example.onkeydowntest/.MainActivity (has extras)} from uid 10012
06-22 11:34:44.266 868 1254 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{9e53ee9 u0 com.example. onkeydowntest/.MainActivity t100}. System free memory=574717952
06-22 11:34:44.283 868 1254 I ActivityManager: Start proc 5982:com.example.onkeydowntest/u0a134 for activity com.example.onkeydowntest/. MainActivity duration: 17
06-22 11:34:44.285 868 1254 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{9e53ee9 u0 com.example. onkeydowntest/.MainActivity t100}. System free memory=573767680
06-22 11:34:47.557 868 5873 W ActivityManager: Force finishing activity com.example.onkeydowntest/.MainActivity
06-22 11:34:47.592 868 943 I ActivityManager: Showing crash dialog for package com.example.onkeydowntest u0
06-22 11:34:48.061 868 942 W ActivityManager: Activity pause timeout for ActivityRecord{9e53ee9 u0 com.example.onkeydowntest/.MainActivity t100 f}
06-22 11:34:48.072 868 942 D ActivityManager: [MemInfo] Before resuming ActivityRecord{75f8a7c u0 com.xxxx.launcher/com.android.launcher3. Launcher t93}. System free memory=564867072

//click ignore (until device reboots)
06-22 11:34:54.172 868 1255 I ActivityManager: Process com.example.onkeydowntest (pid 5982) has died: cch CEM 
06-22 11:34:54.172 868 1255 W ActivityManager: App Op not allow to restart app com.example.onkeydowntest/10134
06-22 11:34:54.238 868 950 W ActivityManager: setHasOverlayUi called on unknown pid: 5982


2.4 セットアップでの強制停止 

// desktop open app
06-22 11:08:32.207 794 1396 I am_create_activity: [0,201779972,85,com.example.onkeydowntest/.MainActivity,android.intent.action.MAIN, NULL,NULL,270532608]
06-22 11:08:32.249 794 1396 I am_proc_start: [0,7739,10134,com.example.onkeydowntest,activity,com.example.onkeydowntest/.MainActivity]
06-22 11:08:32.317 794 837 I am_proc_bound: [0,7739,com.example.onkeydowntest]
06-22 11:08:32.327 794 837 I am_restart_activity: [0,201779972,85,com.example.onkeydowntest/.MainActivity]
06-22 11:08:32.329 794 837 I am_set_resumed_activity: [0,com.example.onkeydowntest/.MainActivity,minimalResumeActivityLocked]
06-22 11:08:33.025 7739 7739 I am_on_resume_called: [0,com.example.onkeydowntest.MainActivity,LAUNCH_ACTIVITY]
06-22 11:08:33.259 794 908 I sysui_multi_action: [319,134,321,81,322,1050,325,4981,757,761,758,7,759,1,806,com.example.onkeydowntest,871 ,com.example.onkeydowntest.MainActivity,904,com.xxxx.launcher,905,0,945,119]
06-22 11:08:33.259 794 908 I am_activity_launch_time: [0,201779972,com.example.onkeydowntest/.MainActivity,1013,1013]
06-22 11:08:35.166 794 967 I am_pause_activity: [0,201779972,com.example.onkeydowntest/.MainActivity]
06-22 11:08:35.168 7739 7739 I am_on_paused_called: [0,com.example.onkeydowntest.MainActivity,handlePauseActivity]
06-22 11:08:35.201 794 899 I am_stop_activity: [0,201779972,com.example.onkeydowntest/.MainActivity]
06-22 11:08:35.216 7739 7739 I am_on_stop_called: [0,com.example.onkeydowntest.MainActivity,handleStopActivity]


// the inexplicable print when entering into the setup
06-22 11:09:06.048 794 891 I am_pss : [7739,10134,com.example.onkeydowntest,25741312,20140032,146432]

// Click force stop in settings
06-22 11:09:15.173 7782 7782 I sysui_action: [807,com.example.onkeydowntest]
06-22 11:09:15.173 7782 7782 I sysui_multi_action: [757,807,758,4,806,com.example.onkeydowntest]
06-22 11:09:15.175 794 1876 I am_kill : [0,7739,com.example.onkeydowntest,700,stop com.example.onkeydowntest]
06-22 11:09:15.197 794 1876 I am_finish_activity: [0,201779972,85,com.example.onkeydowntest/.MainActivity,force-stop]
06-22 11:09:15.214 794 899 I am_destroy_activity: [0,201779972,85,com.example.onkeydowntest/.MainActivity,finish-idle]
06-22 11:09:15.279 794 794 I notification_cancel_all: [1000,794,com.example.onkeydowntest,0,0,0,5,NULL]
06-22 11:09:15.280 794 794 I notification_cancel_all: [1000,794,com.example.onkeydowntest,0,0,0,5,NULL]
06-22 11:09:15.375 794 794 I notification_cancel_all: [1000,794,com.example.onkeydowntest,0,0,0,5,NULL]
06-22 11:09:15.640 794 794 I notification_cancel_all: [1000,794,com.example.onkeydowntest,0,0,0,5,NULL]
06-22 11:09:15.776 794 794 I notification_cancel_all: [1000,794,com.example.onkeydowntest,0,0,0,5,NULL]

sys_logを再取得した状態 

06-22 11:36:01.055 868 1945 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg= 0x10200000 cmp=com.example.onkeydowntest/.MainActivity (has extras)} from uid 10012
06-22 11:36:01.087 868 1945 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{fb8a26e u0 com.example. onkeydowntest/.MainActivity t101}. System free memory=572157952
06-22 11:36:01.107 868 1945 I ActivityManager: Start proc 6070:com.example.onkeydowntest/u0a134 for activity com.example.onkeydowntest/. MainActivity duration: 19
06-22 11:36:01.113 868 1945 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{fb8a26e u0 com.example. onkeydowntest/.MainActivity t101}. System free memory=570048512
06-22 11:36:03.269 868 1009 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10200000 cmp =com.xxxx.launcher/com.android.launcher3.Launcher (has extras)} from uid 1000
06-22 11:36:03.303 868 1009 D ActivityManager: [MemInfo] Before resuming ActivityRecord{75f8a7c u0 com.xxxx.launcher/com.android.launcher3. Launcher t93}. System free memory=553832448
06-22 11:36:07.379 868 1949 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg= 0x10200000 cmp=com.android.settings/.Settings (has extras)} from uid 10012
06-22 11:36:07.419 868 1949 D ActivityManager: [MemInfo] Process already exists before starting ActivityRecord{cc77a89 u0 com.android.settings/. Settings t102}. System free memory=533790720
06-22 11:36:10.083 868 1927 I ActivityManager: START u0 {flg=0x8000 cmp=com.android.settings/.Settings$AppAndNotificationDashboardActivity ( has extras)} from uid 1000
06-22 11:36:10.114 868 1927 D ActivityManager: [MemInfo] Process already exists before starting ActivityRecord{746b811 u0 com.android.settings/. Settings$AppAndNotificationDashboardActivity t102}. System free memory=538869760
06-22 11:36:11.998 868 1945 I ActivityManager: START u0 {act=android.intent.action.MAIN cmp=com.android.settings/.SubSettings (has extras)} from uid 1000
06-22 11:36:12.035 868 1927 D ActivityManager: [MemInfo] Process already exists before starting ActivityRecord{ed4f214 u0 com.android.settings/. SubSettings t102}. System free memory=538177536
06-22 11:36:21.186 868 1057 I ActivityManager: START u0 {act=android.intent.action.MAIN cmp=com.android.settings/.SubSettings (has extras)} from uid 1000
06-22 11:36:21.208 868 1945 D ActivityManager: [MemInfo] Process already exists before starting ActivityRecord{bfb0a74 u0 com.android.settings/. SubSettings t102}. System free memory=521396224
06-22 11:36:21.502 868 1057 I ActivityManager: Start proc 6148:com.google.android.packageinstaller/u0a31 for service com.google.android. packageinstaller/com.android.packageinstaller.commission.service.RuntimePermissionPresenterServiceImpl duration: 15
06-22 11:36:24.190 868 1949 I ActivityManager: Force stopping com.example.onkeydowntest appid=10134 user=0: from pid 5736
06-22 11:36:24.191 868 1949 I ActivityManager: Killing 6070:com.example.onkeydowntest/u0a134 (adj 700): stop com.example.onkeydowntest
06-22 11:36:24.192 868 1949 W ActivityManager: App Op not allow to restart app com.example.onkeydowntest/10134
06-22 11:36:24.203 868 1949 I ActivityManager: Force finishing activity ActivityRecord{fb8a26e u0 com.example.onkeydowntest/.MainActivity t101 }
06-22 11:36:24.218 868 1949 I ActivityManager: Force stopping com.example.onkeydowntest appid=10134 user=0: from pid 5736
06-22 11:36:24.223 868 1949 I ActivityManager: Force finishing activity ActivityRecord{fb8a26e u0 com.example.onkeydowntest/.MainActivity t101 f}
06-22 11:36:24.223 868 1949 W ActivityManager: Duplicate finish request for ActivityRecord{fb8a26e u0 com.example.onkeydowntest/.MainActivity t101 f}
06-22 11:36:24.392 868 950 W ActivityManager: setHasOverlayUi called on unknown pid: 6070




2.5 再起動するとアプリが終了する

あまり有益な情報ではないようで、=-=が少ないです。 

06-22 11:18:08.100 794 1210 I am_create_activity: [0,182410702,87,com.example.onkeydowntest/.MainActivity,android.intent.action.MAIN, NULL,NULL,270532608]
06-22 11:18:08.147 794 1210 I am_proc_start: [0,8052,10134,com.example.onkeydowntest,activity,com.example.onkeydowntest/.MainActivity]
06-22 11:18:08.245 794 1701 I am_proc_bound: [0,8052,com.example.onkeydowntest]
06-22 11:18:08.264 794 1701 I am_restart_activity: [0,182410702,87,com.example.onkeydowntest/.MainActivity]
06-22 11:18:08.266 794 1701 I am_set_resumed_activity: [0,com.example.onkeydowntest/.MainActivity,minimalResumeActivityLocked]
06-22 11:18:09.029 8052 8052 I am_on_resume_called: [0,com.example.onkeydowntest.MainActivity,LAUNCH_ACTIVITY]
06-22 11:18:09.285 794 908 I sysui_multi_action: [319,182,321,116,322,1184,325,5557,757,761,758,7,759,1,806,com.example.onkeydowntest, 871,com.example.onkeydowntest.MainActivity,904,com.xxxx.launcher,905,0,945,158]
06-22 11:18:09.285 794 908 I am_activity_launch_time: [0,182410702,com.example.onkeydowntest/.MainActivity,1141,1141]


//restart
06-22 11:18:19.952 794 891 I am_pss : [8052,10134,com.example.onkeydowntest,42259456,37026816,150528]
06-22 11:18:20.523 794 8093 I am_pause_activity: [0,182410702,com.example.onkeydowntest/.MainActivity]
06-22 11:18:20.525 8052 8052 I am_on_paused_called: [0,com.example.onkeydowntest.MainActivity,handlePauseActivity]
06-22 11:18:20.538 794 899 I am_stop_activity: [0,182410702,com.example.onkeydowntest/.MainActivity]
06-22 11:18:20.548 8052 8052 I am_on_stop_called: [0,com.example.onkeydowntest.MainActivity,sleeping]

システムサーバーとアム関連の印刷物があります 

06-22 11:20:23.671282 843 1970 I dvm_lock_sample: [system_server,1,Binder:843_12,10,ActivityManagerService.java,18788,boolean com.android .server.am.ActivityManagerService.stopServiceToken(android.content.ComponentName, android.os.IBinder, int),-,18876,boolean com. android.server.am.ActivityManagerService.unbindService(android.app.IServiceConnection),2]
06-22 11:20:23.818312 843 1946 I dvm_lock_sample: [system_server,1,Binder:843_F,39,ActivityManagerService.java,19330,void com.android. server.am.ActivityManagerService.unregisterReceiver(android.content.IIntentReceiver),-,18876,boolean com.android.server.am. ActivityManagerService.unbindService(android.app.IServiceConnection),7]

sys_logを再取得した状態 

06-22 11:37:28.244 868 4357 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg= 0x10200000 cmp=com.example.onkeydowntest/.MainActivity (has extras)} from uid 10012
06-22 11:37:28.276 868 1933 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{dc6042a u0 com.example. onkeydowntest/.MainActivity t104}. System free memory=660869120
06-22 11:37:28.291 868 1933 I ActivityManager: Start proc 6323:com.example.onkeydowntest/u0a134 for activity com.example.onkeydowntest/. MainActivity duration: 14
06-22 11:37:28.300 868 1933 D ActivityManager: [MemInfo] Process does not exist before starting ActivityRecord{dc6042a u0 com.example. onkeydowntest/.MainActivity t104}. System free memory=658677760
06-22 11:37:33.643 868 1931 I ActivityManager: Start proc 6387:com.xxxx.deskclock:ui/u0a60 for broadcast com.xxxx.deskclock/. AlarmInitReceiver duration: 25
06-22 11:37:33.869 868 6225 I ActivityManager: Start proc 6417:com.xxxx.livedemoservice/1000 for broadcast com.xxxx.livedemoservice/.receiver BootReceiver duration: 14
06-22 11:37:34.026 868 1933 I ActivityManager: Start proc 6444:com.xxxx.sysmonitor/u0a46 for broadcast com.xxxx.sysmonitor/.ShutDownReceiver duration: 17
06-22 11:37:35.241 868 888 I ActivityManager: Process com.android.bluetooth (pid 1669) has died: fore SVC


3. 概要

events_log からは、アプリケーションのライフサイクルの変化、アプリケーションのプロセス番号、クラッシュに関するいくつかの情報を見ることができ、さらにそれがユーザーキル/アドブキル/クラッシュキル/セットフォースストップであったかどうかを知ることができるので、多くの有用な情報を持っているように見えます。

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