Nouveau - Oct 2008 - [Bug 17999] New: HIgh memory and cpu use

http://bugs.freedesktop.org/show_bug.cgi?id=17999

           Summary: HIgh memory and cpu use
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: ubuntu at talktalk.net
         QAContact: xorg-team at lists.x.org


Created an attachment (id=19552)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19552)
oprofile text

Hi - had problems getting nouveau to install, recent updates through ubuntu
intrepid repository (ppa) to 1:0.0.0~git20081009-0~ppa1


Have problems with high cpu use using nouveau particularly when changing
desktops, using fluxbox as window manager. Seems to use a lot of memory at
start - free -m buffers up from ~120MB to ~650Mb on start. Only difference
being the nouveau driver.

Have tried to use oprofile to get data - not sure if it's right or even if
it
helps.

Graphics card - Nvidia Geforce4MX440


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http://bugs.freedesktop.org/show_bug.cgi?id=17999


kbowring <ubuntu at talktalk.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unspecified                 |7.4




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https://bugs.freedesktop.org/show_bug.cgi?id=17999

Jesse Adkins <jesserayadkins at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #1 from Jesse Adkins <jesserayadkins at gmail.com> 2010-10-31
18:13:08 PDT ---
Unfortunately, there's nothing useful within the oprofile output. If
you're
serious about trying to track down the cause of CPU usage, I would suggest
trying to see if one of the X apps can result in a CPU usage spike. Even
better, if you have a small program to show a problem.

For example, if you have some benchmarks over a series of time that show the
driver operating worse after a particular version. That would allow the
maintainers to revert whatever change caused increased CPU + mem use.

If you get something more concrete, feel free to open a new bug.

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