sys/kern/kern_clocksource.c

33  * Common routines to manage event timers hardware.
118 	sbintime_t	nextevent;	/* Next scheduled event on this CPU. */
120 	sbintime_t	nexthard;	/* Next hardclock() event. */
121 	sbintime_t	nextstat;	/* Next statclock() event. */
122 	sbintime_t	nextprof;	/* Next profclock() event. */
123 	sbintime_t	nextcall;	/* Next callout event. */
124 	sbintime_t	nextcallopt;	/* Next optional callout event. */
229  * Schedule binuptime of the next event on current CPU.
234 	sbintime_t event;
240 	event = state->nexthard;
250 			event += tick_sbt * (hardfreq - 1);
253 	if (event > state->nextcall)
254 		event = state->nextcall;
256 		if (event > state->nextstat)
257 			event = state->nextstat;
258 		if (profiling && event > state->nextprof)
259 			event = state->nextprof;
261 	return (event);
265  * Schedule binuptime of the next event on all CPUs.
271 	sbintime_t event;
281 	event = state->nextevent;
286 			if (event > state->nextevent) {
287 				event = state->nextevent;
296 	    curcpu, (int)(event >> 32), (u_int)(event & 0xffffffff), c);
297 	return (event);
421  * Prepare event timer parameters after configuration changes.
590  * Configure and start event timers (BSP part).
622 		panic("No usable event timer found!");
678  * Start per-CPU event timers on APs.
863 	/* If there is some other event set earlier -- do nothing. */
886  * Report or change the active event timers hardware.
927     0, 0, sysctl_kern_eventtimer_timer, "A", "Chosen event timer");
930  * Report or change the active event timer periodicity.
950     0, 0, sysctl_kern_eventtimer_periodic, "I", "Enable event timer periodic mode");