summaryrefslogtreecommitdiff
path: root/include/linux/topology.h
diff options
context:
space:
mode:
authorJason Low <jason.low2@hp.com>2013-09-13 22:26:53 +0400
committerIngo Molnar <mingo@kernel.org>2013-09-20 14:03:46 +0400
commitf48627e686a69f5215cb0761e731edb3d9859dd9 (patch)
tree510f55a0971da16bdb2922da2c0ebad47bdc5e3d /include/linux/topology.h
parent9bd721c55c8a886b938a45198aab0ccb52f1f7fa (diff)
downloadlinux-f48627e686a69f5215cb0761e731edb3d9859dd9.tar.xz
sched/balancing: Periodically decay max cost of idle balance
This patch builds on patch 2 and periodically decays that max value to do idle balancing per sched domain by approximately 1% per second. Also decay the rq's max_idle_balance_cost value. Signed-off-by: Jason Low <jason.low2@hp.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1379096813-3032-4-git-send-email-jason.low2@hp.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/topology.h')
-rw-r--r--include/linux/topology.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h
index e2a2c3da2929..12ae6ce997d6 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -107,6 +107,7 @@ int arch_update_cpu_topology(void);
.balance_interval = 1, \
.smt_gain = 1178, /* 15% */ \
.max_newidle_lb_cost = 0, \
+ .next_decay_max_lb_cost = jiffies, \
}
#endif
#endif /* CONFIG_SCHED_SMT */
@@ -137,6 +138,7 @@ int arch_update_cpu_topology(void);
.last_balance = jiffies, \
.balance_interval = 1, \
.max_newidle_lb_cost = 0, \
+ .next_decay_max_lb_cost = jiffies, \
}
#endif
#endif /* CONFIG_SCHED_MC */
@@ -169,6 +171,7 @@ int arch_update_cpu_topology(void);
.last_balance = jiffies, \
.balance_interval = 1, \
.max_newidle_lb_cost = 0, \
+ .next_decay_max_lb_cost = jiffies, \
}
#endif