From: subhra mazumdar <subhra.mazumdar@oracle.com>
To: linux-kernel@vger.kernel.org
Cc: peterz@infradead.org, mingo@redhat.com,
steven.sistare@oracle.com, dhaval.giani@oracle.com,
daniel.lezcano@linaro.org, vincent.guittot@linaro.org,
viresh.kumar@linaro.org, tim.c.chen@linux.intel.com,
mgorman@techsingularity.net
Subject: [PATCH v3 4/7] sched: add sched feature to disable idle core search
Date: Sat, 8 Jun 2019 18:49:51 -0700 [thread overview]
Message-ID: <20190609014954.1033-5-subhra.mazumdar@oracle.com> (raw)
In-Reply-To: <20190609014954.1033-1-subhra.mazumdar@oracle.com>
Add a new sched feature SIS_CORE to have an option to disable idle core
search (select_idle_core).
Signed-off-by: subhra mazumdar <subhra.mazumdar@oracle.com>
---
kernel/sched/features.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 858589b..de4d506 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -57,6 +57,7 @@ SCHED_FEAT(TTWU_QUEUE, true)
*/
SCHED_FEAT(SIS_AVG_CPU, false)
SCHED_FEAT(SIS_PROP, true)
+SCHED_FEAT(SIS_CORE, true)
/*
* Issue a WARN when we do multiple update_rq_clock() calls
--
2.9.3
next prev parent reply other threads:[~2019-06-09 1:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-09 1:49 [PATCH v3 0/7] Improve scheduler scalability for fast path subhra mazumdar
2019-06-09 1:49 ` [PATCH v3 1/7] sched: limit cpu search in select_idle_cpu subhra mazumdar
2019-06-09 1:49 ` [PATCH v3 2/7] sched: introduce per-cpu var next_cpu to track search limit subhra mazumdar
2019-06-09 1:49 ` [PATCH v3 3/7] sched: rotate the cpu search window for better spread subhra mazumdar
2019-06-09 1:49 ` subhra mazumdar [this message]
2019-06-09 1:49 ` [PATCH v3 5/7] sched: SIS_CORE to disable idle core search subhra mazumdar
2019-06-09 1:49 ` [PATCH v3 6/7] x86/smpboot: introduce per-cpu variable for HT siblings subhra mazumdar
2019-06-09 1:49 ` [PATCH v3 7/7] sched: use per-cpu variable cpumask_weight_sibling subhra mazumdar
2019-06-27 1:29 [RESEND PATCH v3 0/7] Improve scheduler scalability for fast path subhra mazumdar
2019-06-27 1:29 ` [PATCH v3 4/7] sched: add sched feature to disable idle core search subhra mazumdar
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