How to bind a thread to a CPU?

[Neel Natu]

Hi Stefan,

> On Jun 13, 2015, at 12:12 PM, Stefan Andritoiu <stefan.andritoiu at gmail.com> wrote:
> 
> Hi Neel,
> 
>> On Sat, Jun 13, 2015 at 9:00 PM, Neel Natu <neelnatu at gmail.com> wrote:
>> Hi Stefan,
>> 
>> On Sat, Jun 13, 2015 at 3:33 AM, Stefan Andritoiu
>> <stefan.andritoiu at gmail.com> wrote:
>>> Hi,
>>> 
>>> How can I pin a thread to run only on a specific CPU?
>>> Is it enough just to set the "struct cpuset *td_cpuset" of the thread?
>> 
>> sched_bind() is the proper way to do this.
> 
> But in sched_bind() I notice:
>  KASSERT(td == curthread, ("sched_bind: can only bind curthread"));
> 
> How can I bind a thread that is not curthread?

I don't know offhand but your original suggestion of 'td_cpuset' does seem like a reasonable place to start.

Best
Neel

> 
>> 
>> best
>> Neel
>> 
>>> Thank you,
>>> Stefan
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