Re: [RFC PATCH] fuse: support splice() reading from fuse device

From: Miklos Szeredi
Date: Thu May 20 2010 - 16:22:22 EST


On Thu, 20 May 2010, Matthew Wilcox wrote:
> On Thu, May 20, 2010 at 10:07:23PM +0200, Miklos Szeredi wrote:
> > > It says nothing at all, in short. You need to have a real source, and a
> > > real destination. Not some empty filesystem and /dev/null destination.
> >
> > Sure, I will do that. It's just a lot harder to measure the effects
> > on hardware I have access to, where the CPU speed is just damn too
> > large compared to I/O speed.
>
> Try running a CPU burner on all the cores. Something that's low priority,
> so it'll be preempted by FUSE, and doesn't consume much cache.

Umm, that doesn't really make the CPU any slower, it just makes it
consume more power.

Miklos
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