[PATCH] kernel/sched.c: whitespace cleanups
[akpm@osdl.org: additional cleanups] Signed-off-by: Miguel Ojeda Sandonis <maxextreme@gmail.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Miguel Ojeda Sandonis
Linus Torvalds
parent
62ab616d54
commit
33859f7f97
1 changed files with 55 additions and 40 deletions
|
|
@ -466,7 +466,8 @@ static int show_schedstat(struct seq_file *seq, void *v)
|
|||
seq_printf(seq, "domain%d %s", dcnt++, mask_str);
|
||||
for (itype = SCHED_IDLE; itype < MAX_IDLE_TYPES;
|
||||
itype++) {
|
||||
seq_printf(seq, " %lu %lu %lu %lu %lu %lu %lu %lu",
|
||||
seq_printf(seq, " %lu %lu %lu %lu %lu %lu %lu "
|
||||
"%lu",
|
||||
sd->lb_cnt[itype],
|
||||
sd->lb_balanced[itype],
|
||||
sd->lb_failed[itype],
|
||||
|
|
@ -476,11 +477,13 @@ static int show_schedstat(struct seq_file *seq, void *v)
|
|||
sd->lb_nobusyq[itype],
|
||||
sd->lb_nobusyg[itype]);
|
||||
}
|
||||
seq_printf(seq, " %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
|
||||
seq_printf(seq, " %lu %lu %lu %lu %lu %lu %lu %lu %lu"
|
||||
" %lu %lu %lu\n",
|
||||
sd->alb_cnt, sd->alb_failed, sd->alb_pushed,
|
||||
sd->sbe_cnt, sd->sbe_balanced, sd->sbe_pushed,
|
||||
sd->sbf_cnt, sd->sbf_balanced, sd->sbf_pushed,
|
||||
sd->ttwu_wake_remote, sd->ttwu_move_affine, sd->ttwu_move_balance);
|
||||
sd->ttwu_wake_remote, sd->ttwu_move_affine,
|
||||
sd->ttwu_move_balance);
|
||||
}
|
||||
preempt_enable();
|
||||
#endif
|
||||
|
|
@ -1454,7 +1457,9 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state, int sync)
|
|||
|
||||
if (this_sd->flags & SD_WAKE_AFFINE) {
|
||||
unsigned long tl = this_load;
|
||||
unsigned long tl_per_task = cpu_avg_load_per_task(this_cpu);
|
||||
unsigned long tl_per_task;
|
||||
|
||||
tl_per_task = cpu_avg_load_per_task(this_cpu);
|
||||
|
||||
/*
|
||||
* If sync wakeup then subtract the (maximum possible)
|
||||
|
|
@ -2487,18 +2492,21 @@ small_imbalance:
|
|||
pwr_now /= SCHED_LOAD_SCALE;
|
||||
|
||||
/* Amount of load we'd subtract */
|
||||
tmp = busiest_load_per_task*SCHED_LOAD_SCALE/busiest->cpu_power;
|
||||
tmp = busiest_load_per_task * SCHED_LOAD_SCALE /
|
||||
busiest->cpu_power;
|
||||
if (max_load > tmp)
|
||||
pwr_move += busiest->cpu_power *
|
||||
min(busiest_load_per_task, max_load - tmp);
|
||||
|
||||
/* Amount of load we'd add */
|
||||
if (max_load*busiest->cpu_power <
|
||||
busiest_load_per_task*SCHED_LOAD_SCALE)
|
||||
tmp = max_load*busiest->cpu_power/this->cpu_power;
|
||||
if (max_load * busiest->cpu_power <
|
||||
busiest_load_per_task * SCHED_LOAD_SCALE)
|
||||
tmp = max_load * busiest->cpu_power / this->cpu_power;
|
||||
else
|
||||
tmp = busiest_load_per_task*SCHED_LOAD_SCALE/this->cpu_power;
|
||||
pwr_move += this->cpu_power*min(this_load_per_task, this_load + tmp);
|
||||
tmp = busiest_load_per_task * SCHED_LOAD_SCALE /
|
||||
this->cpu_power;
|
||||
pwr_move += this->cpu_power *
|
||||
min(this_load_per_task, this_load + tmp);
|
||||
pwr_move /= SCHED_LOAD_SCALE;
|
||||
|
||||
/* Move if we gain throughput */
|
||||
|
|
@ -3366,7 +3374,8 @@ void fastcall add_preempt_count(int val)
|
|||
/*
|
||||
* Spinlock count overflowing soon?
|
||||
*/
|
||||
DEBUG_LOCKS_WARN_ON((preempt_count() & PREEMPT_MASK) >= PREEMPT_MASK-10);
|
||||
DEBUG_LOCKS_WARN_ON((preempt_count() & PREEMPT_MASK) >=
|
||||
PREEMPT_MASK - 10);
|
||||
}
|
||||
EXPORT_SYMBOL(add_preempt_count);
|
||||
|
||||
|
|
@ -5439,16 +5448,19 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu)
|
|||
if (!(sd->flags & SD_LOAD_BALANCE)) {
|
||||
printk("does not load-balance\n");
|
||||
if (sd->parent)
|
||||
printk(KERN_ERR "ERROR: !SD_LOAD_BALANCE domain has parent");
|
||||
printk(KERN_ERR "ERROR: !SD_LOAD_BALANCE domain"
|
||||
" has parent");
|
||||
break;
|
||||
}
|
||||
|
||||
printk("span %s\n", str);
|
||||
|
||||
if (!cpu_isset(cpu, sd->span))
|
||||
printk(KERN_ERR "ERROR: domain->span does not contain CPU%d\n", cpu);
|
||||
printk(KERN_ERR "ERROR: domain->span does not contain "
|
||||
"CPU%d\n", cpu);
|
||||
if (!cpu_isset(cpu, group->cpumask))
|
||||
printk(KERN_ERR "ERROR: domain->groups does not contain CPU%d\n", cpu);
|
||||
printk(KERN_ERR "ERROR: domain->groups does not contain"
|
||||
" CPU%d\n", cpu);
|
||||
|
||||
printk(KERN_DEBUG);
|
||||
for (i = 0; i < level + 2; i++)
|
||||
|
|
@ -5463,7 +5475,8 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu)
|
|||
|
||||
if (!group->cpu_power) {
|
||||
printk("\n");
|
||||
printk(KERN_ERR "ERROR: domain->cpu_power not set\n");
|
||||
printk(KERN_ERR "ERROR: domain->cpu_power not "
|
||||
"set\n");
|
||||
}
|
||||
|
||||
if (!cpus_weight(group->cpumask)) {
|
||||
|
|
@ -5486,15 +5499,17 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu)
|
|||
printk("\n");
|
||||
|
||||
if (!cpus_equal(sd->span, groupmask))
|
||||
printk(KERN_ERR "ERROR: groups don't span domain->span\n");
|
||||
printk(KERN_ERR "ERROR: groups don't span "
|
||||
"domain->span\n");
|
||||
|
||||
level++;
|
||||
sd = sd->parent;
|
||||
if (!sd)
|
||||
continue;
|
||||
|
||||
if (sd) {
|
||||
if (!cpus_subset(groupmask, sd->span))
|
||||
printk(KERN_ERR "ERROR: parent span is not a superset of domain->span\n");
|
||||
}
|
||||
if (!cpus_subset(groupmask, sd->span))
|
||||
printk(KERN_ERR "ERROR: parent span is not a superset "
|
||||
"of domain->span\n");
|
||||
|
||||
} while (sd);
|
||||
}
|
||||
|
|
@ -5812,8 +5827,9 @@ __setup("max_cache_size=", setup_max_cache_size);
|
|||
*/
|
||||
static void touch_cache(void *__cache, unsigned long __size)
|
||||
{
|
||||
unsigned long size = __size/sizeof(long), chunk1 = size/3,
|
||||
chunk2 = 2*size/3;
|
||||
unsigned long size = __size / sizeof(long);
|
||||
unsigned long chunk1 = size / 3;
|
||||
unsigned long chunk2 = 2 * size / 3;
|
||||
unsigned long *cache = __cache;
|
||||
int i;
|
||||
|
||||
|
|
@ -5922,11 +5938,11 @@ measure_cost(int cpu1, int cpu2, void *cache, unsigned int size)
|
|||
*/
|
||||
measure_one(cache, size, cpu1, cpu2);
|
||||
for (i = 0; i < ITERATIONS; i++)
|
||||
cost1 += measure_one(cache, size - i*1024, cpu1, cpu2);
|
||||
cost1 += measure_one(cache, size - i * 1024, cpu1, cpu2);
|
||||
|
||||
measure_one(cache, size, cpu2, cpu1);
|
||||
for (i = 0; i < ITERATIONS; i++)
|
||||
cost1 += measure_one(cache, size - i*1024, cpu2, cpu1);
|
||||
cost1 += measure_one(cache, size - i * 1024, cpu2, cpu1);
|
||||
|
||||
/*
|
||||
* (We measure the non-migrating [cached] cost on both
|
||||
|
|
@ -5936,17 +5952,17 @@ measure_cost(int cpu1, int cpu2, void *cache, unsigned int size)
|
|||
|
||||
measure_one(cache, size, cpu1, cpu1);
|
||||
for (i = 0; i < ITERATIONS; i++)
|
||||
cost2 += measure_one(cache, size - i*1024, cpu1, cpu1);
|
||||
cost2 += measure_one(cache, size - i * 1024, cpu1, cpu1);
|
||||
|
||||
measure_one(cache, size, cpu2, cpu2);
|
||||
for (i = 0; i < ITERATIONS; i++)
|
||||
cost2 += measure_one(cache, size - i*1024, cpu2, cpu2);
|
||||
cost2 += measure_one(cache, size - i * 1024, cpu2, cpu2);
|
||||
|
||||
/*
|
||||
* Get the per-iteration migration cost:
|
||||
*/
|
||||
do_div(cost1, 2*ITERATIONS);
|
||||
do_div(cost2, 2*ITERATIONS);
|
||||
do_div(cost1, 2 * ITERATIONS);
|
||||
do_div(cost2, 2 * ITERATIONS);
|
||||
|
||||
return cost1 - cost2;
|
||||
}
|
||||
|
|
@ -5984,7 +6000,7 @@ static unsigned long long measure_migration_cost(int cpu1, int cpu2)
|
|||
*/
|
||||
cache = vmalloc(max_size);
|
||||
if (!cache) {
|
||||
printk("could not vmalloc %d bytes for cache!\n", 2*max_size);
|
||||
printk("could not vmalloc %d bytes for cache!\n", 2 * max_size);
|
||||
return 1000000; /* return 1 msec on very small boxen */
|
||||
}
|
||||
|
||||
|
|
@ -6009,7 +6025,8 @@ static unsigned long long measure_migration_cost(int cpu1, int cpu2)
|
|||
avg_fluct = (avg_fluct + fluct)/2;
|
||||
|
||||
if (migration_debug)
|
||||
printk("-> [%d][%d][%7d] %3ld.%ld [%3ld.%ld] (%ld): (%8Ld %8Ld)\n",
|
||||
printk("-> [%d][%d][%7d] %3ld.%ld [%3ld.%ld] (%ld): "
|
||||
"(%8Ld %8Ld)\n",
|
||||
cpu1, cpu2, size,
|
||||
(long)cost / 1000000,
|
||||
((long)cost / 100000) % 10,
|
||||
|
|
@ -6104,20 +6121,18 @@ static void calibrate_migration_costs(const cpumask_t *cpu_map)
|
|||
-1
|
||||
#endif
|
||||
);
|
||||
if (system_state == SYSTEM_BOOTING) {
|
||||
if (num_online_cpus() > 1) {
|
||||
printk("migration_cost=");
|
||||
for (distance = 0; distance <= max_distance; distance++) {
|
||||
if (distance)
|
||||
printk(",");
|
||||
printk("%ld", (long)migration_cost[distance] / 1000);
|
||||
}
|
||||
printk("\n");
|
||||
if (system_state == SYSTEM_BOOTING && num_online_cpus() > 1) {
|
||||
printk("migration_cost=");
|
||||
for (distance = 0; distance <= max_distance; distance++) {
|
||||
if (distance)
|
||||
printk(",");
|
||||
printk("%ld", (long)migration_cost[distance] / 1000);
|
||||
}
|
||||
printk("\n");
|
||||
}
|
||||
j1 = jiffies;
|
||||
if (migration_debug)
|
||||
printk("migration: %ld seconds\n", (j1-j0)/HZ);
|
||||
printk("migration: %ld seconds\n", (j1-j0) / HZ);
|
||||
|
||||
/*
|
||||
* Move back to the original CPU. NUMA-Q gets confused
|
||||
|
|
|
|||
Loading…
Reference in a new issue