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From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@redhat.com>,
        Mike Galbraith <efault@gmx.de>,
        Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>,
        Paul Turner <pjt@google.com>, Oleg Nesterov <oleg@redhat.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Mike Galbraith <umgwanakikbuti@gmail.com>,
        Kirill Tkhai <tkhai@yandex.ru>, Tim Chen <tim.c.chen@linux.intel.com>,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Subject: [RFC][PATCH]: sched/fair: search a task from the tail of the queue
Date: Thu, 24 Aug 2017 12:44:44 +0200
Message-Id: <20170824104445.16827-1-urezki@gmail.com>
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Hi,

while doing a load balancing (plus active) if we change a direction
of task search we may benefit when it comes to performance. See below
results of running hackbench with following parameters: 1000 samples 40 groups

[1] ftp://vps418301.ovh.net/incoming/hackbench_40_groups_1000_samples_default_patched_i5-3320M.png

Uladzislau Rezki (1):
  sched/fair: search a task from the tail of the queue

 kernel/sched/fair.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

-- 
2.11.0