tag	line	file	source code
ac_btime	12	include/linux/acct.h	time_t  ac_btime;    /* Beginning time */
ac_btime	302	kernel/sys.c	ac.ac_btime = CT_TO_SECS(current->start_time) + (xtime.tv_sec - (jiffies / HZ));
ac_btime	303	kernel/sys.c	ac.ac_etime = CURRENT_TIME - ac.ac_btime;