[RK3288][Android6.0] 调试笔记 --- 开机后台抓取kernel log

Platform: Rockchip
OS: Android 6.0
Kernel: 3.10.92

1. log保存在/data/log下
2. 最大保存5份文件
3. 满5份之后删除最旧的一份

kris@:~/rk3288/device/rockchip/rk3288$ g df 86f2bc34af5f4f8455a0e674c781b7c05c5af8a6 ed7447a416c3e47ab097b633d6b1c95ab67f1277diff --git a/device.mk b/device.mkindex af3630b..22b92ff 100644--- a/device.mk+++ b/device.mk@@ -112,6 +112,10 @@ PRODUCT_PACKAGES += \+#Kris,170814.+PRODUCT_COPY_FILES += \+    device/rockchip/rk3288/kmsg.sh:system/bin/kmsg.sh+ # setup dalvik vm configs. $(call inherit-product, frameworks/native/build/tablet-10in-xhdpi-2048-dalvik-heap.mk)

开机脚本：

diff --git a/kmsg.sh b/kmsg.shnew file mode 100644index 0000000..5b5ebb3--- /dev/null+++ b/kmsg.sh@@ -0,0 +1,28 @@+#!/system/bin/sh+#Kris, 20170814, Created.++#Save five files as max.+count=5+for i in `seq $(($count+1))`+do+       #echo "i is $i"+       if [ ! -f "/data/log/kmsg_$i.log" ]; then+           break+       fi+done++if [ $i -eq $(($count+1)) ]; then +       rm /data/log/kmsg_1.log+       i=$count+       for j in `seq $(($count-1))`+       do+               #echo "/data/log/kmsg_$(($j+1)).log /data/log/kmsg_$j.log"+               mv /data/log/kmsg_$(($j+1)).log /data/log/kmsg_$j.log+       done+fi+++cat /proc/kmsg > /data/log/kmsg_$i.log+++#cat /proc/kmsg > /data/log/kmsg_`date +%Y%m%d%H%M%S`.log

kris@:~/rk3288/system/core/rootdir$ g df d79a7ce597f36a56feff86fe6d92eacd433598e0 df4552a1f2f27f4967b5e84b47efab73e74ac23ediff --git a/rootdir/init.rc b/rootdir/init.rcindex fe8893a..d2860d7 100644--- a/rootdir/init.rc+++ b/rootdir/init.rc@@ -788,3 +788,8 @@ service syslog /system/bin/logcat -f /data/log/system.log -r 10240 -v time     user root     group system     oneshot++#Kris, 170814, save kernel log.+service kmsg_log /system/bin/kmsg.sh+    class late_start