Re: [Xen-devel] running a task (thread) directly on hardware

[tutu sky <ooohooo_u@xxxxxxxxxxx>]

Hi all.
Is there anybody to give me an answer?

Thanks.

________________________________________
From: tutu sky <ooohooo_u@xxxxxxxxxxx>
Sent: Friday, April 22, 2016 8:22 AM
To: Xen-devel@xxxxxxxxxxxxx
Subject: running a task (thread) directly on hardware

    Hi,
In linux kernel we can use affinity settings to ask scheduler for directly 
running the special thread on special cpu or taskset for special command, I 
have a question that: is it possible in Xen for having such a mechanism? I mean 
is there any hypercall or something similar (I don't have any idea what can it 
be) for which we can ask it to run a program's thread on the cpu? (maybe by 
activating some interrupts which asks  xen scheduler to stop it's work and 
start running the thread which is called by a hypercall).

if i want ask my question in more general way, is there any way for user space 
programs to directly access xen?
i found a discussion here: 
http://xen-devel.narkive.com/tZaT5OaG/using-xen-s-hypercall-interface which i 
think is near what i search for, but is there any more detail about playing 
with xen hypercall layer?

Thanks in advance.
Cheers.


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