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Date: Thu, 23 Dec 2010 15:04:14 +0100
Message-ID: <AANLkTi=1v6YG-Vc7uZFvqO6K0fAuZ-o9A7hxeZVVAHm3@mail.gmail.com>
Subject: Re: Sending some form of notifaction when sched_fifo throttling kicks in...
From: Dhaval Giani <dhaval.giani@gmail.com>
To: Dario Faggioli <raistlin@linux.it>
Cc: torbenh <torbenh@gmx.de>, linux-kernel@vger.kernel.org,
        Peter Zijlstra <peterz@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
        Gregory Haskins <ghaskins@novell.com>,
        Nick Piggin <nickpiggin@yahoo.com.au>,
        Balbir Singh <balbir@linux.vnet.ibm.com>, vatsa@in.ibm.com
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?
>>
> ... If you think you're fine with some /proc (and perhaps cpuacct, if
> cgroups are being used) readable, I can try to come up with something.
>

There is no point in putting it in cpuacct since cpuacct can be used
separately from cpu.

> I think that the number of times that throttling fired and the last
> throttling instant could be exported this way without much issues.
>
> Do others have some idea and/or comments about that? This is
> ABI/interface, and that really scares me! :-P

IIRC, your patchset had something like this for getting the
statistics? Starting fromt hre, would schedstats be the right place?

Dhaval
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