On 10/14/2013 02:08 PM, Peter Zijlstra wrote: > On Mon, Oct 14, 2013 at 12:43:39PM +0200, Juri Lelli wrote: >> From: Dario Faggioli <raist...@linux.it> >> >> Add some typical sched-debug output to dl_rq(s) and some >> schedstats to -deadline tasks. > > Could you perhaps add a bit to the changelog explaining what kind of > problems this patch helped (or could help) to find? >
Expanded in this: Add some typical sched-debug output to dl_rq(s) and some schedstats to -deadline tasks. This helps spotting problems with queue and dequeue operations (incorrect ordering) and gives hints about system status (one can have an idea if the system is overloaded, if tasks are missing their deadlines and the entity of such anomalies). Thanks, - Juri -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
