taglinefilesource code
uptime242fs/proc/array.cunsigned long uptime;
uptime245fs/proc/array.cuptime = jiffies;
uptime259fs/proc/array.cuptime / HZ,
uptime260fs/proc/array.c(((uptime % HZ) * 100) / HZ) % 100,
uptime265fs/proc/array.cuptime / HZ,
uptime266fs/proc/array.cuptime % HZ,
uptime74include/linux/kernel.hlong uptime;      /* Seconds since boot */
uptime28kernel/info.cval.uptime = jiffies / HZ;