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    SubjectRe: xterm scrolling speed - scheduling weirdness in 2.6 ?!
    On Mon, Jan 05, 2004 at 07:20:08PM +0200, Martin Schlemmer wrote:
    > On Mon, 2004-01-05 at 11:18, Soeren Sonnenburg wrote:
    > > On Mon, 2004-01-05 at 00:47, Mike Fedyk wrote:
    > > > On Mon, Jan 05, 2004 at 12:33:12AM +0100, Willy Tarreau wrote:
    > > > > at a time. I have yet to understand why 'ls|cat' behaves
    > > > > differently, but fortunately it works and it has already saved
    > > > > me some useful time.
    > > >
    > > > cat probably does some buffering for you, and sends the output to xterm in
    > > > larger blocks.
    > >
    > > yes indeed, judging from the cat source it does chose optimal buffer
    > > size, here 1024 byte... so it reads/writes larger chunks... and jump
    > > scrolling takes place...
    > >
    >
    > I cannot reboot right now, so have wrong kernel for testing, but could
    > anyone see what happens if you start X reniced to +10 or such? Maybe
    > some other numbers?

    I posted such tests with numbers in a previous mail in this thread. IIRC,
    renicing X to +10 was indeed a work-around for most cases.

    Cheers,
    Willy

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