performance of pci_device_get_{vendor, device}_name() in X server startup

Pat Kane pekane52 at gmail.com
Tue Jun 8 19:03:49 PDT 2010


On Tue, Jun 8, 2010 at 8:40 PM, Matt Turner <mattst88 at gmail.com> wrote:
 > The output of `lspci -vv` is already a nearly required piece of any
bug report,
 >  so I don't think we're losing anything here.

I agree.   I have debugged several PCI card problems over the years and I have
always needed to see 'lspci' output, rather then the Xorg log file.

I would rather have a very fast Xorg startup than an extra verbose log file.

On Tue, Jun  8, 2010 at 14:26:32 -0700, Richard Barnette wrote:
  > 5 second total time budget.

That is a  worthy  goal, will that include getting the network
connection up too?

Pat
---

> On Tue, Jun 8, 2010 at 9:35 PM, Richard Barnette
> <jrbarnette at chromium.org> wrote:
>> Still, cost/benefit matters here:  Essentially, the justification
>> for all this work is a debug feature (being able to print the information
>> in the log when things go wrong), not a performance enhancement.
>> I'm not yet persuaded that that feature is worth the identified effort.
>
> I'd still like to hear some opinions from people who do serious
> xserver work, but from my perspective there's nothing wrong with only
> executing this code if -verbose is used. The output of `lspci -vv` is
> already a nearly required piece of any bug report, so I don't think
> we're losing anything here.
>
> Matt
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