Re: [patch] block: fix blktrace timestamps

From: Jens Axboe
Date: Mon Jan 14 2008 - 03:42:45 EST


On Mon, Jan 14 2008, Christoph Hellwig wrote:
>
> Folks, this is getting a little silly.

It is

> Even if CONFIG_NO_HZ is new this is a an important regression, and
> yes we should avoid regressions wherever we can, and for such a quite
> important feature we should fix it. On the other hand blktrace is using
> the wrong interface, and it has been told multiple times on lkml that
> sched_clock() should never ever be used outside the scheduler. So the
> burden to fix this regression lies on the shoulders of the blktrace
> maintainer.

That is true. So far alternatives have all been slower though, so not
very tempting to transition to.

> No need for silly name calling here.

I don't know what thread you are reading, but neiter Ingo nor I have
resorted to silly name calling. The thread has long since diverted from
the original topic, though.

--
Jens Axboe

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