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| author | Vincent Guittot <vincent.guittot@linaro.org> | 2013-03-13 09:34:53 +0100 |
|---|---|---|
| committer | Vincent Guittot <vincent.guittot@linaro.org> | 2013-03-13 09:34:53 +0100 |
| commit | 0da1ae388ad5c3ee86a9fe3e03574ef98790cdce (patch) | |
| tree | 8d84222f5513de14774616542e2da0e0ee0759c9 | |
| parent | f6161aa153581da4a3867a2d1a7caf4be19b6ec9 (diff) | |
ARM: sched: tune CPU level of sched domain
| -rw-r--r-- | arch/arm/include/asm/topology.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h index 58b8b84adcd2..d394578f7a8b 100644 --- a/arch/arm/include/asm/topology.h +++ b/arch/arm/include/asm/topology.h @@ -34,6 +34,67 @@ static inline void store_cpu_topology(unsigned int cpuid) { } #endif +#ifdef CONFIG_SCHED_MC +/* Common values for MC siblings. for now mostly derived from SD_CPU_INIT */ +#ifndef SD_MC_INIT +#define SD_MC_INIT (struct sched_domain) { \ + .min_interval = 1, \ + .max_interval = 4, \ + .busy_factor = 16, \ + .imbalance_pct = 125, \ + .cache_nice_tries = 1, \ + .busy_idx = 2, \ + .wake_idx = 0, \ + .forkexec_idx = 0, \ + \ + .flags = 1*SD_LOAD_BALANCE \ + | 1*SD_BALANCE_NEWIDLE \ + | 1*SD_BALANCE_EXEC \ + | 1*SD_BALANCE_FORK \ + | 0*SD_BALANCE_WAKE \ + | 1*SD_WAKE_AFFINE \ + | 0*SD_SHARE_CPUPOWER \ + | 1*SD_SHARE_PKG_RESOURCES \ + | arch_sd_local_flags(SD_SHARE_PKG_RESOURCES)\ + | 0*SD_SERIALIZE \ + , \ + .last_balance = jiffies, \ + .balance_interval = 1, \ +} +#endif +#endif /* CONFIG_SCHED_MC */ + +/* Common values for CPUs */ +#ifndef SD_CPU_INIT +#define SD_CPU_INIT (struct sched_domain) { \ + .min_interval = 1, \ + .max_interval = 4, \ + .busy_factor = 16, \ + .imbalance_pct = 125, \ + .cache_nice_tries = 1, \ + .busy_idx = 2, \ + .idle_idx = 1, \ + .newidle_idx = 0, \ + .wake_idx = 0, \ + .forkexec_idx = 0, \ + \ + .flags = 1*SD_LOAD_BALANCE \ + | 1*SD_BALANCE_NEWIDLE \ + | 1*SD_BALANCE_EXEC \ + | 1*SD_BALANCE_FORK \ + | 0*SD_BALANCE_WAKE \ + | 1*SD_WAKE_AFFINE \ + | 0*SD_SHARE_CPUPOWER \ + | 0*SD_SHARE_PKG_RESOURCES \ + | arch_sd_local_flags(0) \ + | 0*SD_SERIALIZE \ + | 1*SD_PREFER_SIBLING \ + , \ + .last_balance = jiffies, \ + .balance_interval = 1, \ +} +#endif + #include <asm-generic/topology.h> #endif /* _ASM_ARM_TOPOLOGY_H */ |