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Commit fac669da authored by Pavankumar Kondeti's avatar Pavankumar Kondeti Committed by Gerrit - the friendly Code Review server
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core_ctl: Keep all CPUs un-isolated while boost is active 



Currently BIG cluster CPUs are kept active while boost is enabled.
If core_ctl is used for the little cluster, these CPUs can be
isolated. Keeping all CPUs active during boost is desired for the
best performance.

Change-Id: Ife097b0b60261ea7740c8e310ae1246a3ee18826
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: default avatarSatya Durga Srinivasu Prabhala <satyap@codeaurora.org>
parent 66359021

kernel/sched/core_ctl.c

+15 −14
Original line number Diff line number Diff line
@@ -638,7 +638,6 @@ int core_ctl_set_boost(bool boost) 


	spin_lock_irqsave(&state_lock, flags);

	for_each_cluster(cluster, index) {

		if (cluster->is_big_cluster) {

		if (boost) {

			boost_state_changed = !cluster->boost;

			++cluster->boost;
@@ -646,18 +645,20 @@ int core_ctl_set_boost(bool boost) 
			if (!cluster->boost) {

				pr_err("Error turning off boost. Boost already turned off\n");

				ret = -EINVAL;

				break;

			} else {

				--cluster->boost;

				boost_state_changed = !cluster->boost;

			}

		}

			break;

		}

	}

	spin_unlock_irqrestore(&state_lock, flags);



	if (boost_state_changed)

	if (boost_state_changed) {

		index = 0;

		for_each_cluster(cluster, index)

			apply_need(cluster);

	}



	trace_core_ctl_set_boost(cluster->boost, ret);