Re: [Qemu-devel] SMP and qemu scheduler, HELP

2015-08-25 Thread françois Guerret
less constant. I hope these explanations will enable you to help me. Thanks in advance Francois > From: peter.mayd...@linaro.org > Date: Mon, 24 Aug 2015 16:52:04 +0100 > Subject: Re: [Qemu-devel] SMP and qemu scheduler, HELP > To: francois.guer...@hotmail.fr > CC: qemu-devel@nongnu

Re: [Qemu-devel] SMP and qemu scheduler, HELP

2015-08-25 Thread Peter Maydell
On 25 August 2015 at 10:29, françois Guerret wrote: > I want to execute a realtime software which executes periodically the same > loop. > On multicore target, I set one periodic loop per core. > > I need the time to be synchronized between the cores at least with the > granularity of a loop perio

Re: [Qemu-devel] SMP and qemu scheduler, HELP

2015-08-24 Thread Peter Maydell
On 24 August 2015 at 11:03, françois Guerret wrote: > Hello, > > I use qemu to emulate a SMP multicore processor and I am looking for a way : > * either to ask qemu scheduler to execute an other core. For that I need a > kind of > *yield()* syscall that I could insert into user code and which

[Qemu-devel] SMP and qemu scheduler, HELP

2015-08-24 Thread françois Guerret
Hello, I use qemu to emulate a SMP multicore processor and I am looking for a way : * either to ask qemu scheduler to execute an other core. For that I need a kind of *yield()* syscall that I could insert into user code and which would be catched by QEMU scheduler. * or to give an optio