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Merge branch 'linus' into sched/core

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Merge reason: pick up the latest scheduler fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2011-07-21 17:59:54 +02:00
parent bd96efe17d cf6ace16a3
commit 994bf1c922
542 changed files with 28622 additions and 2822 deletions
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46
kernel/sched_fair.c
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@@ -1583,7 +1583,7 @@ find_idlest_group(struct sched_domain *sd, struct task_struct *p,
}
/* Adjust by relative CPU power of the group */
avg_load = (avg_load * SCHED_POWER_SCALE) / group->cpu_power;
avg_load = (avg_load * SCHED_POWER_SCALE) / group->sgp->power;
if (local_group) {
this_load = avg_load;
@@ -2629,7 +2629,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu)
power >>= SCHED_POWER_SHIFT;
}
sdg->cpu_power_orig = power;
sdg->sgp->power_orig = power;
if (sched_feat(ARCH_POWER))
power *= arch_scale_freq_power(sd, cpu);
@@ -2645,7 +2645,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu)
power = 1;
cpu_rq(cpu)->cpu_power = power;
sdg->cpu_power = power;
sdg->sgp->power = power;
}
static void update_group_power(struct sched_domain *sd, int cpu)
@@ -2663,11 +2663,11 @@ static void update_group_power(struct sched_domain *sd, int cpu)
group = child->groups;
do {
power += group->cpu_power;
power += group->sgp->power;
group = group->next;
} while (group != child->groups);
sdg->cpu_power = power;
sdg->sgp->power = power;
}
/*
@@ -2689,7 +2689,7 @@ fix_small_capacity(struct sched_domain *sd, struct sched_group *group)
/*
* If ~90% of the cpu_power is still there, we're good.
*/
if (group->cpu_power * 32 > group->cpu_power_orig * 29)
if (group->sgp->power * 32 > group->sgp->power_orig * 29)
return 1;
return 0;
@@ -2769,7 +2769,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd,
}
/* Adjust by relative CPU power of the group */
sgs->avg_load = (sgs->group_load*SCHED_POWER_SCALE) / group->cpu_power;
sgs->avg_load = (sgs->group_load*SCHED_POWER_SCALE) / group->sgp->power;
/*
* Consider the group unbalanced when the imbalance is larger
@@ -2786,7 +2786,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd,
if ((max_cpu_load - min_cpu_load) >= avg_load_per_task && max_nr_running > 1)
sgs->group_imb = 1;
sgs->group_capacity = DIV_ROUND_CLOSEST(group->cpu_power,
sgs->group_capacity = DIV_ROUND_CLOSEST(group->sgp->power,
SCHED_POWER_SCALE);
if (!sgs->group_capacity)
sgs->group_capacity = fix_small_capacity(sd, group);
@@ -2875,7 +2875,7 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu,
return;
sds->total_load += sgs.group_load;
sds->total_pwr += sg->cpu_power;
sds->total_pwr += sg->sgp->power;
/*
* In case the child domain prefers tasks go to siblings
@@ -2960,7 +2960,7 @@ static int check_asym_packing(struct sched_domain *sd,
if (this_cpu > busiest_cpu)
return 0;
*imbalance = DIV_ROUND_CLOSEST(sds->max_load * sds->busiest->cpu_power,
*imbalance = DIV_ROUND_CLOSEST(sds->max_load * sds->busiest->sgp->power,
SCHED_POWER_SCALE);
return 1;
}
@@ -2991,7 +2991,7 @@ static inline void fix_small_imbalance(struct sd_lb_stats *sds,
scaled_busy_load_per_task = sds->busiest_load_per_task
* SCHED_POWER_SCALE;
scaled_busy_load_per_task /= sds->busiest->cpu_power;
scaled_busy_load_per_task /= sds->busiest->sgp->power;
if (sds->max_load - sds->this_load + scaled_busy_load_per_task >=
(scaled_busy_load_per_task * imbn)) {
@@ -3005,28 +3005,28 @@ static inline void fix_small_imbalance(struct sd_lb_stats *sds,
* moving them.
*/
pwr_now += sds->busiest->cpu_power *
pwr_now += sds->busiest->sgp->power *
min(sds->busiest_load_per_task, sds->max_load);
pwr_now += sds->this->cpu_power *
pwr_now += sds->this->sgp->power *
min(sds->this_load_per_task, sds->this_load);
pwr_now /= SCHED_POWER_SCALE;
/* Amount of load we'd subtract */
tmp = (sds->busiest_load_per_task * SCHED_POWER_SCALE) /
sds->busiest->cpu_power;
sds->busiest->sgp->power;
if (sds->max_load > tmp)
pwr_move += sds->busiest->cpu_power *
pwr_move += sds->busiest->sgp->power *
min(sds->busiest_load_per_task, sds->max_load - tmp);
/* Amount of load we'd add */
if (sds->max_load * sds->busiest->cpu_power <
if (sds->max_load * sds->busiest->sgp->power <
sds->busiest_load_per_task * SCHED_POWER_SCALE)
tmp = (sds->max_load * sds->busiest->cpu_power) /
sds->this->cpu_power;
tmp = (sds->max_load * sds->busiest->sgp->power) /
sds->this->sgp->power;
else
tmp = (sds->busiest_load_per_task * SCHED_POWER_SCALE) /
sds->this->cpu_power;
pwr_move += sds->this->cpu_power *
sds->this->sgp->power;
pwr_move += sds->this->sgp->power *
min(sds->this_load_per_task, sds->this_load + tmp);
pwr_move /= SCHED_POWER_SCALE;
@@ -3072,7 +3072,7 @@ static inline void calculate_imbalance(struct sd_lb_stats *sds, int this_cpu,
load_above_capacity *= (SCHED_LOAD_SCALE * SCHED_POWER_SCALE);
load_above_capacity /= sds->busiest->cpu_power;
load_above_capacity /= sds->busiest->sgp->power;
}
/*
@@ -3088,8 +3088,8 @@ static inline void calculate_imbalance(struct sd_lb_stats *sds, int this_cpu,
max_pull = min(sds->max_load - sds->avg_load, load_above_capacity);
/* How much load to actually move to equalise the imbalance */
*imbalance = min(max_pull * sds->busiest->cpu_power,
(sds->avg_load - sds->this_load) * sds->this->cpu_power)
*imbalance = min(max_pull * sds->busiest->sgp->power,
(sds->avg_load - sds->this_load) * sds->this->sgp->power)
/ SCHED_POWER_SCALE;
/*