How to make task run on different cores?

Chao-Jui Chang ppc52776 at gmail.com
Wed Jun 12 14:15:18 CEST 2013


Hi Adam,

I have added the scheduler option to the l4linux config like this:

> loader:start(
>   { caps = {
>       log = L4.Env.log:m("rws"),
>       fb  = mag_svc:create(L4.Proto.Goos, "g=640x480");
> --      vbus = vbus_l4linux;
>       shmns = shmns12:mode("rw");
>     },
>     l4re_dbg = L4.Dbg.Warn,
>     log = { "l4linux", "white" },
>     scheduler = L4.Env.user_factory:create(L4.Proto.Scheduler, 0x18, 0x8,
> 0x2),
>   },
>   "rom/" .. lxname .. " mem=64M console=tty0 l4x_rd=rom/ramdisk-" ..
>  L4.Info.arch() .. ".rd root=1:0 ramdisk_size=4000
> l4shmnet.add=shmns,macpart=2 ip=192.168.12.2:::255.255.255.0::eth0:");


There are 4 L4Linux in this config file with last parameter is 0x1, 0x2,
0x4, 0x8.
However, the experiment result still shows that they use only one core.
Is there anything wrong with my config?

2013/6/12 Chao-Jui Chang <ppc52776 at gmail.com>

>
> For core placement, add
>> scheduler = L4.Env.user_factory:create(L4.Proto.Scheduler, 0x18, 0x8,
>> cpumask),
>> to the environment of L4Linux start call (also have a look at
>> l4/conf/examples/x86-fb.cfg). E.g. to place on core 2 make cpumask a 4,
>> and so on.
>>
>> Thanks for providing the information.
> Is there any document about the parameter of the L4.Proto.Scheduler ?
> What 0x18, 0x08 mean for Scheduler?
>
>
Best regards,
Chao-Jui
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