When a tombstone occurs in the system, the kernel will first report a serious warning signal (signal), after the upper layer receives it, It means that the Linux kernel has reached a situation where you don’t know how to take the next step. mdm log/data/tombstones/mdm/ modem restart and reset tombstones log/data/tombstones/ modem restart and reset etc. Sprintf(cmd, " cp -R %s %s " ,from_dir,to_dir) panic log needs to determine whether/proc/apanic_console exists Some scripts or executable programs can be used to save log information to analyze the problem How to store the log and save the current system operation situation? Through adb logcat/ bugreport you can view the system log and system status information in real time Window displays the keyboard, windows and their relationship The adb shell dumpsys command has more detailed usage.įor example, adb shell dumpsys meminfo system is to view the memory information of the system process.Īctivity displays information about all activities ĭumpsys is about the contents of all processes in the system. It contains dmesg, dumpstate and dumpsys ĭmesg (command adb shell dmesg> ldmesg_kernel.log) is the kernel log, which is related to the kernel, such as a problem with the driver (camera, Bluetooth, usb, startup, etc.)ĭumpstate is the system state information, which is relatively complete, including the current memory information of the phone, cpu information, logcat cache, kernel cache, etc. In fact, one is enough, that is, bugreport (command adb bugreport>bugreport.log). Tcpdump is very useful, you can use this to capture all TCP/IP protocol related,Īdb shell tcpdump -s 10000 -w/sdcard/capture.pcap,įor example, grab the UA profile when downloading mms, when the browser is online, use the proxy's APN to download, and streaming related content includes UA profile, etc. Status information: adb shell dmesg, adb shell dumpstate, adb shell dumpsys, adb bugreportĪdb logcat -b events -v time Print the log of system events, such as touch screen events The main real-time printing is: logcat main, logcat radio, logcat events, tcpdump, QXDM Log The log file is divided into real-time printing and status information Recently, I have encountered some log-grabbing events, and many of the sharing from Internet experts, sum it up:
0 kommentar(er)
