adb $DEVICE shell "kill -s SIGUSR1 $PID"
TRACE_FILE=$(adb $DEVICE shell "ls $TRACE_DIR \
- grep $TRACE_FILE_PATTEN | tail -n1" | tr -d '\r')
+ | grep $TRACE_FILE_PATTEN | tail -n1" | tr -d '\r')
# Wiat the trace file generation to complete
adb $DEVICE shell "lsof $PID" | grep $TRACE_FILE > /dev/null