[dpdk-dev] [PATCH] rte_metrics: move maximum number of metrics into rte_config

[Stephen Hemminger]

On Tue, 20 Oct 2020 13:50:55 +0200
Thomas Monjalon <thomas at monjalon.net> wrote:

> 05/09/2020 00:31, Stephen Hemminger:
> > If using lots of queues and ports, and having per port or per queue
> > metrics it is easy to exceed the upper bound of the metric library.
> > Move the limit into rte_config where user can change it.
> > 
> > Ideally, there would be no upper bound and a dynamic structure
> > such as red-black tree or hash table would be used for these.
> > 
> > Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> > ---
> > --- a/config/rte_config.h
> > +++ b/config/rte_config.h
> > +/* rte_metrics defines */
> > +#define RTE_METRICS_MAX_METRICS 256  
> 
> Not sure we want to go in the direction of adding such tuning
> in rte_config.h.
> 
> 

The only other option is to rewrite rte_metrics to support a
dynamic data structure!