Re: [LAD] QTractor: QThreads: Not realtime on Linux without root?

2017-01-11 Thread Felipe Ferreri Tonello
Hi Ralf, On 11/01/17 14:25, Ralf Mattes wrote: > > Am Mittwoch, 11. Januar 2017 14:20 CET, Felipe Ferreri Tonello > schrieb: > >> Hi Ralf, >> >> On 11/01/17 12:52, Ralf Mattes wrote: >>> >>> Am Mittwoch, 11. Januar 2017 13:21 CET, Felipe Ferreri Tonello >>> schrieb: >>> Hi Ralf,

Re: [LAD] QTractor: QThreads: Not realtime on Linux without root?

2017-01-11 Thread Felipe Ferreri Tonello
Hi Ralf, On 11/01/17 12:52, Ralf Mattes wrote: > > Am Mittwoch, 11. Januar 2017 13:21 CET, Felipe Ferreri Tonello > schrieb: > >> Hi Ralf, >> >> On 03/01/17 21:37, Ralf Mattes wrote: >>> >>> Am Dienstag, 03. Januar 2017 19:31 CET, Felipe Ferreri Tonello >>> schrieb: >>> >>> If s

Re: [LAD] QTractor: QThreads: Not realtime on Linux without root?

2017-01-11 Thread Felipe Ferreri Tonello
Hi Ralf, On 03/01/17 21:37, Ralf Mattes wrote: > > Am Dienstag, 03. Januar 2017 19:31 CET, Felipe Ferreri Tonello > schrieb: > > >> If sched_setscheduler() returns -1, check if errno is set to EPERM. In >> this case the user trying to perform this operation does not have >> CAP_SYS_NICE[1]

Re: [LAD] QTractor: QThreads: Not realtime on Linux without root?

2017-01-03 Thread Felipe Ferreri Tonello
Hi Tim, On 26/12/16 00:58, termtech wrote: > Hi list. Hope Rui gets this... > I have a puzzling technical question, involving QTractor. > > I have been looking very closely at how Qt's class QThread works. > > Actually, it doesn't. On Linux. As a normal user. > > A long investigation into its s

Re: [LAD] QTractor: QThreads: Not realtime on Linux without root?

2016-12-26 Thread Rui Nuno Capela
On 12/26/2016 12:58 AM, termtech wrote: > Hi list. Hope Rui gets this... > I have a puzzling technical question, involving QTractor. > > I have been looking very closely at how Qt's class QThread works. > > Actually, it doesn't. On Linux. As a normal user. > > A long investigation into its sourc

[LAD] QTractor: QThreads: Not realtime on Linux without root?

2016-12-25 Thread termtech
Hi list. Hope Rui gets this... I have a puzzling technical question, involving QTractor. I have been looking very closely at how Qt's class QThread works. Actually, it doesn't. On Linux. As a normal user. A long investigation into its source code and ultimately some test programs, shows that on