Re: [ROOT] TreeViewer and xfree86

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Oct 31 2003 - 16:26:34 MET


Hi Vincent,

I have changed the TreeViewer timer interval from 20ms to 200 ms.
This may provide some improvement on systems with a slow X server.
The mod is in CVS.

Rene Brun


Vincent Régnard wrote:
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hello rooter ;)
> 
> When using the treeviewer to perform an analysis, I realized that xfree86 was
> consuming quite a lot of CPU resources when reading the tree entries. A rapid
> bench tells me that during that operation, xfree uses approximately a third
> of what root requires at the same time (making it 25% for xfree and 75% for
> root of available ressources) on my PentiumIII/1100/Linux(DebianWoody).
> Naturally this is a bit annoying and one would expect to leave most of the
> CPU power to the running analysis. I was wondering if the red progress bar at
> the bottom of the tree viewer was not responsible of that important resource
> consumption, maybe too much calls to X to refresh the screen.
> Do you think this could be an possible interpretation ? And is there
> anything, you know we can do to enhence the question ?
> I justed wanted to point out that fact
> Thanks for your remarks.
> Vincent
> 
> PS:
> Using root 3.05/05
> 
> - --
>   \|/   V Régnard
>  /  ~~  GPG and ID: http://vincentregnard.free.fr/html/persopages/pgp.html
>  @--OO  Key fingerprint = F350 E39E 8C1B 4E8E D078  6D77 81D8 B38A E8F3 ED1E
>  \   ?  Key ID: E8F3ED1E
>    ||   Please note that all mail containing html code will land in my junk box.
> /      \        and all mail containing M$formated document will be bounced
> 
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.2.2 (GNU/Linux)
> 
> iD8DBQE/oXqzgdiziujz7R4RAoQyAJ9OW288/s6lnb5L5A08St6DT6LVgACfcrVG
> evuXQfpcOiiVxGn0Xhrxjo0=
> =nPH8
> -----END PGP SIGNATURE-----



This archive was generated by hypermail 2b29 : Thu Jan 01 2004 - 17:50:16 MET