Messages in this thread | | | Subject | RE: [PATCH] provide hrtimer exports for module use [Was: Exports for hrtimer APIs] | From | Thomas Gleixner <> | Date | Tue, 14 Mar 2006 23:18:14 +0100 |
| |
On Tue, 2006-03-14 at 14:11 -0800, Stone, Joshua I wrote: > Sure - SystemTap uses timers to provide an asynchronous probe during > module execution. This might be utilized for polling kernel states, for > flushing trace data, and perhaps other similar uses. Currently we're > using the main timer APIs - add_timer, mod_timer, etc. > > My motivation for moving to hrtimer is because of what I read in its > documentation - basically that the timer wheel is best for timeout cases > which are rarely recascaded. The way SystemTap uses timers is more for > defining intervals, and they are always cascaded until the module is > complete. The hrtimers seem more suited to this methodology.
What means "more for defining intervals" ? Which intervals (period in ms)? What are the timers used for ?
tglx
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |