From: Peter Zijlstra <peterz@infradead.org>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: balbir@linux.vnet.ibm.com, Venkatesh Pallipadi <venki@google.com>,
Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Paul Menage <menage@google.com>,
linux-kernel@vger.kernel.org, Paul Turner <pjt@google.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Paul Mackerras <paulus@samba.org>,
Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH 0/4] Finer granularity and task/cgroup irq time accounting
Date: Tue, 24 Aug 2010 14:39:56 +0200 [thread overview]
Message-ID: <1282653596.2605.2679.camel@laptop> (raw)
In-Reply-To: <20100824140619.35850ae9@mschwide.boeblingen.de.ibm.com>
On Tue, 2010-08-24 at 14:06 +0200, Martin Schwidefsky wrote:
> Well, I have sent a patch back in 2006 that stops adding the hardirq /
> softirq time to the currently running process. See
> http://lkml.org/lkml/2006/8/24/139
Time to maybe revisit that ;-)
> It did not get very far, so that answer to the question if we need
> accounting madness seems to be yes ..
Well, that's only a little accounting, but trying to infer to what task
to account IRQ time is going to become madness.
next prev parent reply other threads:[~2010-08-24 12:40 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-19 23:57 [PATCH 0/4] Finer granularity and task/cgroup irq time accounting Venkatesh Pallipadi
2010-07-19 23:57 ` [PATCH 1/4] sched: Track and export per task [hard|soft]irq time Venkatesh Pallipadi
2010-07-19 23:57 ` [PATCH 2/4] x86: Add IRQ_TIME_ACCOUNTING, finer accounting of irq time to task Venkatesh Pallipadi
2010-07-19 23:57 ` [PATCH 3/4] sched: Generalize cpuacct usage tracking making it simpler to add new stats Venkatesh Pallipadi
2010-07-19 23:57 ` [PATCH 4/4] sched: Export irq times through cpuacct cgroup Venkatesh Pallipadi
2010-07-20 7:55 ` [PATCH 0/4] Finer granularity and task/cgroup irq time accounting Martin Schwidefsky
2010-07-20 16:55 ` Venkatesh Pallipadi
2010-07-22 11:12 ` Martin Schwidefsky
2010-07-23 2:12 ` Venkatesh Pallipadi
2010-08-24 7:51 ` Peter Zijlstra
2010-08-24 8:05 ` Balbir Singh
2010-08-24 9:09 ` Peter Zijlstra
2010-08-24 11:38 ` Balbir Singh
2010-08-24 11:49 ` Peter Zijlstra
2010-08-24 11:53 ` Peter Zijlstra
2010-08-24 12:06 ` Martin Schwidefsky
2010-08-24 12:39 ` Peter Zijlstra [this message]
2010-08-24 12:47 ` Balbir Singh
2010-08-24 13:08 ` Peter Zijlstra
2010-08-24 19:20 ` Venkatesh Pallipadi
2010-08-24 20:39 ` Peter Zijlstra
2010-08-25 2:02 ` Venkatesh Pallipadi
2010-08-25 7:20 ` Martin Schwidefsky
2010-09-08 11:12 ` Peter Zijlstra
2010-08-24 8:14 ` Ingo Molnar
2010-08-24 8:49 ` Peter Zijlstra
2010-08-24 0:56 ` Venkatesh Pallipadi
2010-08-24 7:52 ` Peter Zijlstra
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