On 22 May 2014, at 13:27, Christos Zoulas <chris...@astron.com> wrote:
> In article <0e8bfcfc-c4cd-4ce3-8bac-22eb8ebd3...@eis.cs.tu-bs.de>, > J. Hannken-Illjes <hann...@eis.cs.tu-bs.de> wrote: >> On 22 May 2014, at 03:15, Christos Zoulas <chris...@astron.com> wrote: >> >>> In article <lljiob$ha3$1...@ger.gmane.org>, >>> Christos Zoulas <chris...@astron.com> wrote: <snip> >>> Although this improves the situation the machine still has large pauses. >>> - compile a kernel with lockdebug. >> >> No performance tests with LOCKDEBUG or DEBUG please. These options >> are known to be very expensive. > > LOCKDEBUG and DEBUG were usable before. Now they are not. They are just > mentioned here to easily demonstrate the problem. Ok, so I tried a kernel with DEBUG+LOCKDEBUG and get the same problems you describe: every 10 to 20 seconds I get hickups of 1 to 2 seconds. Christos, just to make it clear: Do you have these problems when running a GENERIC or better GENERIC -DIAGNOSTICS kernel? -- J. Hannken-Illjes - hann...@eis.cs.tu-bs.de - TU Braunschweig (Germany)