[dpdk-dev] [RFC] eal: introduce function to get lcore thread id

[Mattias Rönnblom]

On 2020-10-20 15:38, David Marchand wrote:
> On Mon, Aug 10, 2020 at 11:37 AM Mattias Rönnblom
> <mattias.ronnblom at ericsson.com> wrote:
>> Introduce function in <rte_lcore.h> to retrieve a lcore worker
>> thread's pthread id.
>>
>> This change allows applications to do things like changing the name of
>> a lcore thread, or detect if it's getting interrupted (e.g. getting
>> preempted by another thread).
>>
>> Signed-off-by: Mattias Rönnblom <mattias.ronnblom at ericsson.com>
> I can see no feedback.
> I am a bit reluctant at giving access to this info which is not really
> abstracted across OS..
> Is there no other way to achieve what you wanted?
>
>
The fact that POSIX threading, or at least such thread identifiers, are 
used internally is already visible in the lcore API.


What we are using now is a little hack with a service started on each 
core, which calls pthead_self(), stores the result, and turns itself off.