* Alfred Perlstein <[EMAIL PROTECTED]> [010327 16:33] wrote:
> > Gersh ([EMAIL PROTECTED]) wrote:
> > > Ive writen a quick patch for dev/ata/ata-disk.c:addump under
> > > 4.0-stable (03/26/01) which is considerbally faster.
> > >
> > > I did dumps on a SMP system with 512 megs of ram.
> > >
> > > Old: 201 seconds.
> > > New: 59 seconds.
> > >
> > > What I could gather from talking to people over irc/email about the
> > > problem was that there was a DELAY(1000) in between each printf
> > > to deal with problems with serial connections to the debugger. The
> > > soultion I came up with simply to display a smaller ammount of printf's
> > > the output looks like this:
> > >
> > > Dump in progress, percentage complete: 10 20 30 40 50 60 70 80 100. Done.
> > >
> > > The dump_stats() routine probally belongs in some kern/subr_whatever.c
> > > and should probally be used in the other dump routines for da/ide etc.
>
> * Paul Saab <[EMAIL PROTECTED]> [010327 16:28] wrote:
> > This does not include the write combined crashdump code. Please update
> > your sources and you will see this change isn't necessary.
>
> If he's able to make a 2 minute difference by reducing the amount of
> calls to DELAY, why not?
>
> The only reason I can see is that output the block addresses could
> do something to assist in detecting problems in the crashdump routine.
>
> perhaps this can be defualt to off? but tuneable for those of us
> doing devel work?
btw:
ps < dumpsys()
--
-Alfred Perlstein - [[EMAIL PROTECTED]|[EMAIL PROTECTED]]
Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.
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