Re: [SLUG] slowdown

From: Eben King (eben01@verizon.net)
Date: Wed Feb 13 2008 - 00:17:33 EST


On Tue, 12 Feb 2008, steve szmidt wrote:

> On Tuesday 12 February 2008, Eben King wrote:
>
>> I think parallelizing bootable drive checking would require a threaded
>> BIOS. Much more complex and hence buggier.
>
> Only if you read it, which of course windows is.

To check whether the "bootable" bit is set, you have to read it, no?

>>> When you say it's using up your CPU how do you identify this?
>>
>> Well, given that top doesn't lie it must not be that. Maybe something's
>> hogging a vital syscall?
>>
>> eben@pc:~$ time xterm -e bash -c exit
>>
>> real 0m5.029s
>> user 0m0.011s
>> sys 0m0.005s
>
> I get subsecond responses

Me too, on the laptop.

>>> Often times a machine look like it has locked up but is actually in some
>>> deep processing which is using up some resource making the desktop appear
>>> locked up.
>>
>> Few things have failed outright ("rxvt -e true" and "rxvt -e :" hang, but
>> "rxvt -e bash" works eventually), they're just slow starting. Can't think
>> of something I have which puts a load on the CPU during operation. Some
>> games stress the GPU.
>
> I don't think your issue is CPU related per se. It certainly sounds like
> either a misconfiguration or conflicting library or similar. Assuming you
> still have usable RAM left and not swapping.

eben@pc:~$ free
              total used free shared buffers cached
Mem: 2076192 1999252 76940 0 25060 1023136
-/+ buffers/cache: 951056 1125136
Swap: 3212988 1248 3211740

Not swapping much.

-- 
-eben    QebWenE01R@vTerYizUonI.nOetP    royalty.mine.nu:81
> A: It's annoying as hell
> Q: Why do most people hate top-posting? -- Lots42 The Library Avenger
        http://www.fscked.co.uk/writing/top-posting-cuss.html
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