Messages in this thread | | | Date | Mon, 5 Jan 2004 18:21:40 +0100 | From | Willy Tarreau <> | Subject | Re: xterm scrolling speed - scheduling weirdness in 2.6 ?! |
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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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