From: Frederic Weisbecker <fweisbec@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Alessio Igor Bogani <abogani@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Avi Kivity <avi@redhat.com>, Chris Metcalf <cmetcalf@tilera.com>,
Christoph Lameter <cl@linux.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Geoff Levand <geoff@infradead.org>,
Gilad Ben Yossef <gilad@benyossef.com>,
Hakan Akkan <hakanakkan@gmail.com>, Kevin Hilman <khilman@ti.com>,
Max Krasnyansky <maxk@qualcomm.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Stephen Hemminger <shemminger@vyatta.com>,
Steven Rostedt <rostedt@goodmis.org>,
Sven-Thorsten Dietrich <thebigcorporation@gmail.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"Luck,Tony" <tony.luck@intel.com>
Subject: Re: [RFC GIT PULL] nohz: Basic cputime accounting for adaptive tickless
Date: Thu, 14 Jun 2012 13:12:46 +0200 [thread overview]
Message-ID: <20120614111241.GA16848@somewhere> (raw)
In-Reply-To: <1339664829.2559.14.camel@twins>
On Thu, Jun 14, 2012 at 11:07:09AM +0200, Peter Zijlstra wrote:
> On Wed, 2012-06-13 at 18:19 +0200, Frederic Weisbecker wrote:
> > Ingo, Thomas,
> >
> > This starts the basic code that allow accounting of cputime spent tickless
> > outside idle, which is a first step to prepare for the adaptive nohz
> > infrastructure.
> >
> > I hope we can set a tree in -tip for that. If you're fine with it
> > this is pullable from:
>
> There's a number of architecture that already does fine grained
> user/kernel time accounting on syscall boundaries etc.. s390, powerpc
> and ia64.
>
> You're now adding a 3rd way of accounting user/kernel time.. I'm not
> much looking fwd to that..
You're right, I should have looked into CONFIG_VIRT_CPU_ACCOUNTING sooner
and see if I can reuse it.
I'll try something with that.
next prev parent reply other threads:[~2012-06-14 11:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-13 16:19 [RFC GIT PULL] nohz: Basic cputime accounting for adaptive tickless Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 1/7] nohz: Add more comment about CONFIG_NO_HZ Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 2/7] nohz: Introduce adaptive nohz config Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 3/7] nohz: Generalize tickless cpu time accounting Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 4/7] nohz: Account user and system times in adaptive nohz mode Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 5/7] x86: Syscall hooks for " Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 6/7] x86: Add adaptive tickless hooks on do_notify_resume() Frederic Weisbecker
2012-06-13 16:19 ` [PATCH 7/7] x86: Exception hooks for adaptive tickless Frederic Weisbecker
2012-06-13 16:35 ` [RFC GIT PULL] nohz: Basic cputime accounting " Frederic Weisbecker
2012-06-14 9:07 ` Peter Zijlstra
2012-06-14 9:10 ` Peter Zijlstra
2012-06-14 11:12 ` Frederic Weisbecker [this message]
2012-06-14 11:16 ` Ingo Molnar
2012-06-14 11:21 ` Thomas Gleixner
2012-06-14 11:22 ` Frederic Weisbecker
2012-06-14 12:48 ` Martin Schwidefsky
2012-06-14 13:04 ` Frederic Weisbecker
2012-06-14 14:36 ` Ingo Molnar
2012-06-14 17:34 ` Frederic Weisbecker
2012-06-15 12:13 ` Ingo Molnar
2012-06-14 13:42 ` Frederic Weisbecker
2012-06-14 15:18 ` Martin Schwidefsky
2012-06-15 17:37 ` Frederic Weisbecker
2012-06-18 10:46 ` Martin Schwidefsky
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