linux-kernel - [RFC PATCH V2 16/19] sched: add new members of sd_lb

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Date:	Mon, 11 Aug 2014 17:11:18 +0530
From:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
To:	alex.shi@...el.com, vincent.guittot@...aro.org,
	peterz@...radead.org, pjt@...gle.com, efault@....de,
	rjw@...ysocki.net, morten.rasmussen@....com,
	svaidy@...ux.vnet.ibm.com, arjan@...ux.intel.com, mingo@...nel.org
Cc:	nicolas.pitre@...aro.org, len.brown@...el.com, yuyang.du@...el.com,
	linaro-kernel@...ts.linaro.org, daniel.lezcano@...aro.org,
	corbet@....net, catalin.marinas@....com, markgross@...gnar.org,
	sundar.iyer@...el.com, linux-kernel@...r.kernel.org,
	dietmar.eggemann@....com, Lorenzo.Pieralisi@....com,
	mike.turquette@...aro.org, akpm@...ux-foundation.org,
	paulmck@...ux.vnet.ibm.com, tglx@...utronix.de
Subject: [RFC PATCH V2 16/19] sched: add new members of sd_lb_stats

From: Alex Shi <alex.shi@...el.com>

Added 4 new members in sb_lb_stats, that will be used in incomming
power aware balance.

group_min; 	//least utliszation group in domain
min_load_per_task; //load_per_task in group_min
leader_util;	// sum utilizations of group_leader
min_util;	// sum utilizations of group_min

Signed-off-by: Alex Shi <alex.shi@...el.com>
Signed-off-by: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
---

 kernel/sched/fair.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index fd93eaf..6d40aa3 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4597,6 +4597,10 @@ struct sd_lb_stats {
         /* Varibles of power aware scheduling */
         unsigned int  sd_util;  /* sum utilization of this domain */
         struct sched_group *group_leader; /* Group which relieves group_min */
+        struct sched_group *group_min;  /* Least loaded group in sd */
+        unsigned long min_load_per_task; /* load_per_task in group_min */
+        unsigned int  leader_util;      /* sum utilizations of group_leader */
+        unsigned int  min_util;         /* sum utilizations of group_min */
 #endif
 };
 

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