android linux 命令记录

1.find查找busybox find / -size +1000k   2.busybox sh  //执行busybox中的shell命令

1. top -m 4 查看占用当前cpu最高的前4个2.查看应用程序的命令：adb shell procrank 注： VSS - Virtual Set Size 虚拟耗用内存（包含共享库占用的内存） RSS - Resident Set Size 实际使用物理内存（包含共享库占用的内存） PSS - Proportional Set Size 实际使用的物理内存（比例分配共享库占用的内存） USS - Unique Set Size 进程独自占用的物理内存（不包含共享库占用的内存） 3.查看单个应用程序内存占用量的命令：adb shell dumpsys meminfo $包名 或者 $进程号

1.启动activity am start -n com.home/com.home.HomeActivity 2.启动服务 例如：am startservice -n com.gsme/com. (这里-n表示组件)  或者 am startservice -a com.gsm.GSMService (这里-a表示动作，就是你在Androidmanifest里定义的)  3. 发送一个广播：  am broadcast -a <广播动作>  例如： am broadcast -a com.smz.mybroadcast

1.zImage带上root头cd kernel && make bzImage CONFIG_INITRAMFS_SOURCE=../out/target/product/generic/root/ -j 2 && cd -2.zImage+root--------->uImage./mkimage -A arm -O linux -T kernel -C none -a 80800000 -e 80800000 -d arch/arm/boot/zImage uImage

1.命令修改mac地址：
127|root@android:/sys/class/net/eth0 # busybox vi address
32:1a:2d:3d:c1:a4

2.android抓网络包 chmod 777 /system/xbin/tcpdump /system/xbin/tcpdump -s0 -w /eth0.cap &
3.logcat 打印

1>清除缓存打印：logcat -c 2>打印加上时间：logcat -v time 3>log保存到本地文件:adb logcat -v time >D:\1.log
4>android保存log到设备文件，防漏打印:logcat -v time -f /1.log

root@android:/ # logcat -h unknown option -- hUnrecognized Option Usage: logcat [options] [filterspecs] options include: -s Set default filter to silent. Like specifying filterspec '*:s' -f <filename> Log to file. Default to stdout -r [<kbytes>] Rotate log every kbytes. (16 if unspecified). Requires -f -n <count> Sets max number of rotated logs to <count>, default 4 -v <format> Sets the log print format, where <format> is one of: brief process tag thread raw time threadtime long -c clear (flush) the entire log and exit -d dump the log and then exit (don't block) -t <count> print only the most recent <count> lines (implies -d) -g get the size of the log's ring buffer and exit -b <buffer> Request alternate ring buffer, 'main', 'system', 'radio' or 'events'. Multiple -b parameters are allowed and the results are interleaved. The default is -b main -b system. -B output the log in binary filterspecs are a series of <tag>[:priority] where <tag> is a log component tag (or * for all) and priority is: V Verbose D Debug I Info W Warn E Error F Fatal S Silent (supress all output) '*' means '*:d' and <tag> by itself means <tag>:v If not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS. If no filterspec is found, filter defaults to '*:I' If not specified with -v, format is set from ANDROID_PRINTF_LOG or defaults to "brief"

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