Comment 15 for bug 493156

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PresuntoRJ (fabio-tleitao) wrote : Re: [Bug 493156] Re: Please enable CONFIG_TASK_DELAY_ACCT

Thanx :)

2010/6/21 Ævar Arnfjörð Bjarmason <email address hidden>

> It was I who contacted Balbir Singh (which subsequently commented
> here), Tim Gardner notes on the mailing list:
>
> "Actually, I was messing with this feature independently this morning. I
> think our initial performance impact assumptions were a bit
> pessimistic."
>
> Does that mean that there never was a performance impact as initially
> suggested, it was just assumed to exist. I.e. this was always a
> non-issue.
>
> I'm not looking for someone to blame, just wondering if this needs to
> be followed up with upstream. And whether running a kernel with
> CONFIG_TASK_DELAY_ACCT=y and without nodelayacct actually has a
> performance impact that users of Ubuntu might be concerned about in
> some odd cases.
>
> Thanks.
>
> 1. https://lists.ubuntu.com/archives/kernel-team/2010-June/011240.html
>
> --
> Please enable CONFIG_TASK_DELAY_ACCT
> https://bugs.launchpad.net/bugs/493156
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
>

--
Fábio Leitão
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