[dpdk-dev] [PATCH] examples/helloworld: add output of core id and socket id

[Dai, Wei]

> -----Original Message-----
> From: Yigit, Ferruh
> Sent: Wednesday, May 17, 2017 10:16 PM
> To: Dai, Wei <wei.dai at intel.com>; Richardson, Bruce
> <bruce.richardson at intel.com>; Mcnamara, John <john.mcnamara at intel.com>
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] examples/helloworld: add output of core id and
> socket id
> 
> On 5/17/2017 2:49 PM, Wei Dai wrote:
> > Adding output of core id and socket id of each lcore/pthread can help
> > to understand their relationship.
> > And this can also help to examine the usage of the EAL lcore settings
> > like -c, -l and --lcore .
> >
> > Signed-off-by: Wei Dai <wei.dai at intel.com>
> > ---
> >  examples/helloworld/main.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/examples/helloworld/main.c b/examples/helloworld/main.c
> > index 8b7a2de..fdd8818 100644
> > --- a/examples/helloworld/main.c
> > +++ b/examples/helloworld/main.c
> > @@ -50,7 +50,9 @@ lcore_hello(__attribute__((unused)) void *arg)  {
> >  	unsigned lcore_id;
> >  	lcore_id = rte_lcore_id();
> > -	printf("hello from core %u\n", lcore_id);
> > +	printf("hello from core %2u at core_id = %2u on socket_id = %2u\n",
> 
> It is hard to understand difference from "core" and "core_id", what do you
> think using "lcore" and "core" respectively in the message?
Yes, it is still a bit confused.
I should change it to printf("hello from lcore_id = %2u at core_id = %2u on socket_id = %2u\n",

> 
> > +		lcore_id, lcore_config[lcore_id].core_id,
> > +		lcore_config[lcore_id].socket_id);
> >  	return 0;
> >  }
> >
> >