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authorGautham R Shenoy <ego@in.ibm.com>2009-03-30 10:25:20 +0530
committerIngo Molnar <mingo@elte.hu>2009-04-01 17:58:03 +0200
commit46e0bb9c12f4bab539736f1714cbf16600f681ec (patch)
tree755769f792c6b59eadfdda02b6a64166bf0ca8d8 /Documentation/cgroups
parentef12fefabf94b6a902ad3abd3eb124b00560c445 (diff)
sched: Print sched_group::__cpu_power in sched_domain_debug
Impact: extend debug info /proc/sched_debug If the user changes the value of the sched_mc/smt_power_savings sysfs tunable, it'll trigger a rebuilding of the whole sched_domain tree, with the SD_POWERSAVINGS_BALANCE flag set at certain levels. As a result, there would be a change in the __cpu_power of sched_groups in the sched_domain hierarchy. Print the __cpu_power values for each sched_group in sched_domain_debug to help verify this change and correlate it with the change in the load-balancing behavior. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20090330045520.2869.24777.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/cgroups')
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