tag	line	file	source code
sbusy	1734	drivers/net/ppp.c	ppp->stats.sbusy++;
sbusy	1872	drivers/net/ppp.c	ppp_stats.collisions = ppp->stats.sbusy;
sbusy	151	include/linux/ppp.h	unsigned long    sbusy;    /* "transmitter busy" counter   */