Android logcat

التصنيف:: Android
الحالة:: ملاحظة_مؤرشفة
المعرفة:: Linux

How to trim¶

grep -iE 'crash|error|fail|fatal' <yourfulllog> &> <trimmed_log>  

• Types
  The three most important log types are:
  logcat: the logoutput of the Android system
  radio logcat: the log outpur ot your System / BB / RIL communication
  kernel log (kmsg / dmesg): the kernel messages
  Additionally there’s the last_kmsg which is a dump of the kernel log until the last shutdown.
  Normal Logcat:
  

  adb logcat -v time -d > logcat.log  
  

  
  Radio Logcat:
  

  adb logcat -b radio -v time -d > logcat_radio.log  
  

  
  Note: Cyanogenmod (based) ROMs require the following setting to export kernel logs via adb:
  Settings - Developer Options - Root access - choose: “Apps and ADB”
  Kernel Log:
  

  adb shell su -c dmesg > dmesg.log  
  

  
  Last_kmsg:
  

  adb shell su -c "cat /proc/last_kmsg" >  
  

• How to take logs
  http://telegra.ph/HOW-TO-TAKE-LOGS-06-11
  https://forum.xda-developers.com/showpost.php?p=70974375&postcount=3
  SysLog
  https://f-droid.org/app/com.tortel.syslog
  Or
  https://play.google.com/store/apps/details?id=com.tortel.syslog
  AIOlogs Take logs with PC, useful when there are bootloops
  https://forum.xda-developers.com/showthread.php?t=1944776
  Or
  https://forum.xda-developers.com/showthread.php?t=2324411
  More log guides:
  https://www.xda-developers.com/guide-sending-a-logcat-to-help-debug-your-favorite-app/
  https://plus.google.com/+CharG/posts/LbPX25m61nT
• How to take logs
  http://telegra.ph/HOW-TO-TAKE-LOGS-06-11
  https://forum.xda-developers.com/showpost.php?p=70974375&postcount=3
  SysLog
  https://f-droid.org/app/com.tortel.syslog
  Or
  https://play.google.com/store/apps/details?id=com.tortel.syslog
  AIOlogs Take logs with PC, useful when there are bootloops
  https://forum.xda-developers.com/showthread.php?t=1944776
  Or
  https://forum.xda-developers.com/showthread.php?t=2324411
  More log guides:
  https://www.xda-developers.com/guide-sending-a-logcat-to-help-debug-your-favorite-app/
  https://plus.google.com/+CharG/posts/LbPX25m61nT

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