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| author | Gautham R Shenoy <ego@in.ibm.com> | 2009-03-30 10:25:20 +0530 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-01 17:58:03 +0200 |
| commit | 46e0bb9c12f4bab539736f1714cbf16600f681ec (patch) | |
| tree | 755769f792c6b59eadfdda02b6a64166bf0ca8d8 /kernel/futex.c | |
| parent | ef12fefabf94b6a902ad3abd3eb124b00560c445 (diff) | |
| download | lwn-46e0bb9c12f4bab539736f1714cbf16600f681ec.tar.gz lwn-46e0bb9c12f4bab539736f1714cbf16600f681ec.zip | |
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 'kernel/futex.c')
0 files changed, 0 insertions, 0 deletions