RES: Thread Scheduler Priority

Hello,

Yes.

-----Mensagem original-----
De: owner-freebsd-current_at_freebsd.org
[mailto:owner-freebsd-current_at_freebsd.org] Em nome de Adrian Chadd
Enviada em: quinta-feira, 29 de maio de 2014 02:18
Para: Fred Pedrisa
Cc: freebsd-current
Assunto: Re: Thread Scheduler Priority

are you doing this all as root?


-a


On 28 May 2014 22:12, Fred Pedrisa <fredhps10_at_hotmail.com> wrote:
> Hi, Guys.
>
>
>
> How can I adjust a certain thread to have the maximum system priority 
> in the scheduler ?
>
>
>
> I've tried doing it this way :
>
>
>
>                                                /* Set thread priority. 
> */
>
>                                                if 
> (pthread_getschedparam(ts[gnThreadID], &police, &param[gnThreadID]) != 
> 0)
>
>                                                {
>
>                                                                error 
> ("Unable to get priority");
>
>                                                                return 
> 1;
>
>                                                }
>
>
> param[gnThreadID].sched_priority = 99;
>
>                                                if 
> (pthread_setschedparam(ts[gnThreadID], police, &param[gnThreadID]) != 
> 0)
>
>                                                {
>
>                 error("Unable to set priority");
>
>                 return 1;
>
>                                                }
>
>
>
> However, in 'top', I don't see the process threads switching to -92 
> priority, like other threads in the system, is something I did wrong 
> or maybe I might be missing something ?
>
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