misc(shell)

1. find ./ -type f -name "*.*" |xargs grep "words"

2. adb shell logcat -v time > c:\temp\test.txt

3.

#include <utils/CallStack.h>
#define CALLSTACK() \
{ \
    ALOGD("CALL STACK : - %s", __FUNCTION__); \
    android::CallStack stack; \
    stack.update(); \
    String8 strtemp = stack.toString(""); \
    ALOGD("\t%s", strtemp.string()); \
}