sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking

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While per-entity load-tracking is generally useful, beyond computing shares
distribution, e.g. runnable based load-balance (in progress), governors,
power-management, etc.

These facilities are not yet consumers of this data.  This may be trivially
reverted when the information is required; but avoid paying the overhead for
calculations we will not use until then.

Signed-off-by: Paul Turner <pjt@google.com>
Reviewed-by: Ben Segall <bsegall@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120823141507.422162369@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Paul Turner 2012-10-04 13:18:32 +02:00 • committed by Ingo Molnar

parent 5b51f2f80b

commit f4e26b120b

4 changed files with 32 additions and 5 deletions

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8

include/linux/sched.h

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7

kernel/sched/core.c

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13

kernel/sched/fair.c

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9

kernel/sched/sched.h

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