On Thu, 2016-07-21 at 20:24 -0700, Gaurav Poothia wrote: (top posting.. naught naughty;)
> 1.What is the function that translates from various nice levels to > weight i.e. nice(0) == 1024 how to translate for other levels If you rummage around in kernel/sched, you'll find this table: const int sched_prio_to_weight[40] = { /* -20 */ 88761, 71755, 56483, 46273, 36291, /* -15 */ 29154, 23254, 18705, 14949, 11916, /* -10 */ 9548, 7620, 6100, 4904, 3906, /* -5 */ 3121, 2501, 1991, 1586, 1277, /* 0 */ 1024, 820, 655, 526, 423, /* 5 */ 335, 272, 215, 172, 137, /* 10 */ 110, 87, 70, 56, 45, /* 15 */ 36, 29, 23, 18, 15, }; > 2.How does that work when an interior node has multiple tasks? So if I > added tasks E and F with difference nice levels to Group 1 task list > how would the math work? The math works the same as if you were adding task groups. An entity is an entity is an entity... -Mike