On Fri, May 30, 2014 at 02:36:03PM +0800, Yuyang Du wrote: > Workload Consolidation can be enabled/disabled on the fly. This patchset > enables MC and CPU domain WC by default. > > To enable CPU WC (SD_WORKLOAD_CONSOLIDATION=0x8000): > > sysctl -w kernel.sched_domain.cpuX.domainY.flags += 0x8000 > > To disable CPU WC: > > sysctl -w kernel.sched_domain.cpuX.domainY.flags -= 0x8000 > > Signed-off-by: Yuyang Du <yuyang...@intel.com> > --- > include/linux/topology.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/include/linux/topology.h b/include/linux/topology.h > index 7062330..ebc339c3 100644 > --- a/include/linux/topology.h > +++ b/include/linux/topology.h > @@ -102,12 +102,14 @@ int arch_update_cpu_topology(void); > | 0*SD_SERIALIZE \ > | 0*SD_PREFER_SIBLING \ > | arch_sd_sibling_asym_packing() \ > + | 0*SD_WORKLOAD_CONSOLIDATION \ > , \ > .last_balance = jiffies, \ > .balance_interval = 1, \ > .smt_gain = 1178, /* 15% */ \ > .max_newidle_lb_cost = 0, \ > .next_decay_max_lb_cost = jiffies, \ > + .consolidating_coeff = 0, \ > } > #endif > #endif /* CONFIG_SCHED_SMT */ > @@ -134,11 +136,13 @@ int arch_update_cpu_topology(void); > | 0*SD_SHARE_CPUPOWER \ > | 1*SD_SHARE_PKG_RESOURCES \ > | 0*SD_SERIALIZE \ > + | 1*SD_WORKLOAD_CONSOLIDATION \ > , \ > .last_balance = jiffies, \ > .balance_interval = 1, \ > .max_newidle_lb_cost = 0, \ > .next_decay_max_lb_cost = jiffies, \ > + .consolidating_coeff = 180, \ > } > #endif > #endif /* CONFIG_SCHED_MC */ > @@ -167,11 +171,13 @@ int arch_update_cpu_topology(void); > | 0*SD_SHARE_PKG_RESOURCES \ > | 0*SD_SERIALIZE \ > | 1*SD_PREFER_SIBLING \ > + | 1*SD_WORKLOAD_CONSOLIDATION \ > , \ > .last_balance = jiffies, \ > .balance_interval = 1, \ > .max_newidle_lb_cost = 0, \ > .next_decay_max_lb_cost = jiffies, \ > + .consolidating_coeff = 180, \ > } > #endif
What tree are you working against, non of that exists anymore. Also, you cannot unconditionally set this.
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