[haiku-commits] Re: r35129 - haiku/trunk/src/kits/tracker

  • From: Stephan Assmus <superstippi@xxxxxx>
  • To: haiku-commits@xxxxxxxxxxxxx
  • Date: Sun, 17 Jan 2010 20:33:54 +0100

On 2010-01-17 at 20:00:35 [+0100], Axel Dörfler <axeld@xxxxxxxxxxxxxxxx> 
> superstippi@xxxxxx wrote:
> > Implemented display of current size/total size copied and current copy 
> > speed.
> > It will begin to play after a short time (10 seconds).
> Nice! But isn't 10 seconds much too long? Many operations won't even take 
> that long, and I would still like to know the copy speed in those cases - 
> it might already be more or less accurate much earlier (like 2 seconds I 
> would guess).

Unfortunately, it's quite erratic with our current I/O scheduler. With 2 
seconds intervals, it may change for example between 70 MB/s and 7 MB/s 
(same harddisk). Also, if the whole process lasts less than 10 seconds 
anyway, I don't really see the point in knowing how fast it is. In any 
case, it is possible to display it almost immediately by changing the 
algorithm slightly. I'll play with that. It will certainly be at the 
expense of raising false hopes in the beginning of a copy process... :-D

Best regards,

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