From: <cl@rock-chips.com>
To: heiko@sntech.de
Cc: juri.lelli@redhat.com, mark.rutland@arm.com,
geert+renesas@glider.be, peterz@infradead.org,
catalin.marinas@arm.com, bsegall@google.com, will@kernel.org,
mpe@ellerman.id.au, linux@armlinux.org.uk,
dietmar.eggemann@arm.com, ben.dooks@codethink.co.uk,
mgorman@suse.de, Liang Chen <cl@rock-chips.com>,
huangtao@rock-chips.com, keescook@chromium.org,
anshuman.khandual@arm.com, rostedt@goodmis.org,
tglx@linutronix.de, surenb@google.com, mingo@redhat.com,
allison@lohutok.net, linux-arm-kernel@lists.infradead.org,
wad@chromium.org, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org, luto@amacapital.net,
george_davis@mentor.com, sudeep.holla@arm.com,
akpm@linux-foundation.org, info@metux.net,
kstewart@linuxfoundation.org
Subject: [PATCH v1 0/1] wait_task_inactive() spend too much time on system startup
Date: Thu, 5 Mar 2020 16:16:10 +0800 [thread overview]
Message-ID: <20200305081611.29323-1-cl@rock-chips.com> (raw)
From: Liang Chen <cl@rock-chips.com>
Changelog:
v1: wait_task_inactive() frequently call schedule_hrtimeout() and spend a lot of time,
i am trying to optimize it on rockchip platform.
Liang Chen (1):
sched/fair: do not preempt current task if it is going to call
schedule()
arch/arm/include/asm/thread_info.h | 1 +
arch/arm64/include/asm/thread_info.h | 1 +
include/linux/sched.h | 15 +++++++++++++++
kernel/kthread.c | 4 ++++
kernel/sched/fair.c | 4 ++++
5 files changed, 25 insertions(+)
--
2.17.1
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next reply other threads:[~2020-03-05 8:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-05 8:16 cl [this message]
2020-03-05 8:16 ` [PATCH v1 1/1] sched/fair: do not preempt current task if it is going to call schedule() cl
2020-03-05 8:43 ` Kees Cook
2020-03-05 9:58 ` Peter Zijlstra
2020-03-05 17:30 ` Kees Cook
2020-03-05 13:22 ` kbuild test robot
2020-03-05 13:33 ` kbuild test robot
2020-03-05 13:33 ` kbuild test robot
2020-03-05 13:59 ` kbuild test robot
2020-03-05 14:38 ` kbuild test robot
2020-03-05 15:14 ` [kbuild-all] " Li, Philip
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