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[PATCH] sched: sched tuning

Browse source 
Do some basic initial tuning.

Signed-off-by: Nick Piggin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Nick Piggin 2005-06-25 14:57:21 -07:00 • committed by Linus Torvalds
commit 687f1661d3
5 changed files with 55 additions and 24 deletions
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61
include/asm-ia64/topology.h
View file

@ -42,25 +42,54 @@
void build_cpu_to_node_map(void);
#define SD_CPU_INIT (struct sched_domain) { \
.span = CPU_MASK_NONE, \
.parent = NULL, \
.groups = NULL, \
.min_interval = 1, \
.max_interval = 4, \
.busy_factor = 64, \
.imbalance_pct = 125, \
.cache_hot_time = (10*1000000), \
.per_cpu_gain = 100, \
.cache_nice_tries = 2, \
.busy_idx = 2, \
.idle_idx = 1, \
.newidle_idx = 2, \
.wake_idx = 1, \
.forkexec_idx = 1, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_NEWIDLE \
| SD_BALANCE_EXEC \
| SD_WAKE_AFFINE, \
.last_balance = jiffies, \
.balance_interval = 1, \
.nr_balance_failed = 0, \
}
/* sched_domains SD_NODE_INIT for IA64 NUMA machines */
#define SD_NODE_INIT (struct sched_domain) { \
.span = CPU_MASK_NONE, \
.parent = NULL, \
.groups = NULL, \
.min_interval = 80, \
.max_interval = 320, \
.busy_factor = 320, \
.min_interval = 8, \
.max_interval = 8*(min(num_online_cpus(), 32)), \
.busy_factor = 64, \
.imbalance_pct = 125, \
.cache_hot_time = (10*1000000), \
.cache_nice_tries = 1, \
.cache_nice_tries = 2, \
.busy_idx = 3, \
.idle_idx = 2, \
.newidle_idx = 0, /* unused */ \
.wake_idx = 1, \
.forkexec_idx = 1, \
.per_cpu_gain = 100, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_EXEC \
| SD_BALANCE_NEWIDLE \
| SD_WAKE_IDLE \
| SD_BALANCE_FORK \
| SD_WAKE_BALANCE, \
.last_balance = jiffies, \
.balance_interval = 1, \
.balance_interval = 64, \
.nr_balance_failed = 0, \
}
@ -69,17 +98,21 @@ void build_cpu_to_node_map(void);
.span = CPU_MASK_NONE, \
.parent = NULL, \
.groups = NULL, \
.min_interval = 80, \
.max_interval = 320, \
.busy_factor = 320, \
.imbalance_pct = 125, \
.min_interval = 64, \
.max_interval = 64*num_online_cpus(), \
.busy_factor = 128, \
.imbalance_pct = 133, \
.cache_hot_time = (10*1000000), \
.cache_nice_tries = 1, \
.busy_idx = 3, \
.idle_idx = 3, \
.newidle_idx = 0, /* unused */ \
.wake_idx = 0, /* unused */ \
.forkexec_idx = 0, /* unused */ \
.per_cpu_gain = 100, \
.flags = SD_LOAD_BALANCE \
| SD_BALANCE_EXEC, \
.flags = SD_LOAD_BALANCE, \
.last_balance = jiffies, \
.balance_interval = 100*(63+num_online_cpus())/64, \
.balance_interval = 64, \
.nr_balance_failed = 0, \
}