Messages in this thread Patch in this message | | | From | Yuyang Du <> | Subject | [RFC PATCH 08/12 v1] Intercept wakeup/fork/exec balance | Date | Mon, 5 May 2014 08:02:48 +0800 |
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Signed-off-by: Yuyang Du <yuyang.du@intel.com> --- kernel/sched/fair.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e7153ff..65f1651 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4365,9 +4365,16 @@ static int select_idle_sibling(struct task_struct *p, int target) struct sched_domain *sd; struct sched_group *sg; int i = task_cpu(p); +#ifdef CONFIG_WORKLOAD_CONSOLIDATION + int ret; + ret = workload_consolidation_wakeup(i, target); + if (ret < nr_cpu_ids) + return ret; +#else if (idle_cpu(target)) return target; +#endif /* * If the prevous cpu is cache affine and idle, don't be stupid. @@ -4460,7 +4467,7 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f } while (sd) { - struct sched_group *group; + struct sched_group *group = NULL; int weight; if (!(sd->flags & sd_flag)) { @@ -4468,6 +4475,12 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f continue; } +#ifdef CONFIG_WORKLOAD_CONSOLIDATION + if (sd->flags & SD_ASYM_CONCURRENCY) + group = workload_consolidation_find_group(sd, p, cpu); + + if (!group) +#endif group = find_idlest_group(sd, p, cpu, sd_flag); if (!group) { sd = sd->child; -- 1.7.9.5
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