From: Frederic Weisbecker <fweisbec@gmail.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de,
peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com,
edumazet@google.com, darren@dvhart.com, sbw@mit.edu
Subject: Re: [PATCH RFC nohz_full 3/7] nohz_full: Add per-CPU idle-state tracking
Date: Fri, 9 Aug 2013 17:37:49 +0200 [thread overview]
Message-ID: <20130809153747.GA13339@somewhere> (raw)
In-Reply-To: <1374880764-14248-3-git-send-email-paulmck@linux.vnet.ibm.com>
On Fri, Jul 26, 2013 at 04:19:20PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
>
> This commit adds the code that updates the rcu_dyntick structure's
> new fields to track the per-CPU idle state based on interrupts and
> transitions into and out of the idle loop (NMIs are ignored because NMI
> handlers cannot cleanly read out the time anyway). This code is similar
> to the code that maintains RCU's idea of per-CPU idleness, but differs
> in that RCU treats CPUs running in user mode as idle, where this new
> code does not.
>
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
next prev parent reply other threads:[~2013-08-09 15:37 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 23:18 [PATCH RFC nohz_full 0/7] v4 Provide infrastructure for full-system idle Paul E. McKenney
2013-07-26 23:19 ` [PATCH RFC nohz_full 1/7] nohz_full: Add Kconfig parameter for scalable detection of all-idle state Paul E. McKenney
2013-07-26 23:19 ` [PATCH RFC nohz_full 2/7] nohz_full: Add rcu_dyntick data " Paul E. McKenney
2013-08-05 1:26 ` Frederic Weisbecker
2013-07-26 23:19 ` [PATCH RFC nohz_full 3/7] nohz_full: Add per-CPU idle-state tracking Paul E. McKenney
2013-08-09 15:37 ` Frederic Weisbecker [this message]
2013-07-26 23:19 ` [PATCH RFC nohz_full 4/7] nohz_full: Add full-system idle states and variables Paul E. McKenney
2013-08-09 15:44 ` Frederic Weisbecker
2013-07-26 23:19 ` [PATCH RFC nohz_full 5/7] nohz_full: Add full-system-idle arguments to API Paul E. McKenney
2013-07-26 23:19 ` [PATCH RFC nohz_full 6/7] nohz_full: Add full-system-idle state machine Paul E. McKenney
2013-07-29 8:19 ` Lai Jiangshan
2013-07-29 17:43 ` Paul E. McKenney
2013-08-09 16:20 ` Frederic Weisbecker
2013-08-14 3:07 ` Paul E. McKenney
2013-07-26 23:19 ` [PATCH RFC nohz_full 7/7] nohz_full: Force RCU's grace-period kthreads onto timekeeping CPU Paul E. McKenney
2013-07-29 3:36 ` Lai Jiangshan
2013-07-29 16:52 ` Paul E. McKenney
2013-07-29 16:59 ` Frederic Weisbecker
2013-07-29 17:53 ` Paul E. McKenney
2013-07-30 1:40 ` Lai Jiangshan
2013-07-30 17:45 ` Paul E. McKenney
2013-07-29 3:35 ` [PATCH RFC nohz_full 1/7] nohz_full: Add Kconfig parameter for scalable detection of all-idle state Lai Jiangshan
2013-07-29 15:28 ` Paul E. McKenney
2013-08-05 1:04 ` Frederic Weisbecker
2013-08-17 23:38 ` Paul E. McKenney
-- strict thread matches above, loose matches on Subject: below --
2013-07-09 1:29 [PATCH RFC nohz_full 0/7] v3 Provide infrastructure for full-system idle Paul E. McKenney
2013-07-09 1:30 ` [PATCH RFC nohz_full 1/7] nohz_full: Add Kconfig parameter for scalable detection of all-idle state Paul E. McKenney
2013-07-09 1:30 ` [PATCH RFC nohz_full 3/7] nohz_full: Add per-CPU idle-state tracking Paul E. McKenney
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