From: Gautham R Shenoy <ego@in.ibm.com>
Date: Mon, 30 Mar 2009 04:55:20 +0000 (+0530)
Subject: sched: Print sched_group::__cpu_power in sched_domain_debug
X-Git-Tag: v2.6.30-rc2~101^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46e0bb9c12f4bab539736f1714cbf16600f681ec;p=pandora-kernel.git

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>
---

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