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sched: rt-group: synchonised bandwidth period

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Various SMP balancing algorithms require that the bandwidth period
run in sync.

Possible improvements are moving the rt_bandwidth thing into root_domain
and keeping a span per rt_bandwidth which marks throttled cpus.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2008-04-19 19:44:57 +02:00 • committed by Ingo Molnar
parent 57d3da2911
commit d0b27fa778
6 changed files with 320 additions and 88 deletions
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4
kernel/sysctl.c
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@ -307,7 +307,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_rt_period,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = &proc_dointvec,
.proc_handler = &sched_rt_handler,
},
{
.ctl_name = CTL_UNNUMBERED,
@ -315,7 +315,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_rt_runtime,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec,
.proc_handler = &sched_rt_handler,
},
{
.ctl_name = CTL_UNNUMBERED,