[dpdk-dev] [PATCH v3 3/3] test/lpm: add RCU integration performance tests

Bruce Richardson bruce.richardson at intel.com
Thu Oct 3 11:09:04 CEST 2019


On Wed, Oct 02, 2019 at 09:02:03AM -0400, Aaron Conole wrote:
> Honnappa Nagarahalli <honnappa.nagarahalli at arm.com> writes:
> 
> > Add performance tests for RCU integration. The performance
> > difference with and without RCU integration is very small
> > (~1% to ~2%) on both Arm and x86 platforms.
> >
> > Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
> > Reviewed-by: Gavin Hu <gavin.hu at arm.com>
> > Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>
> > ---
> 
> I see the following:
> 
>   lib/meson.build:89:5: ERROR: Problem encountered: Missing dependency rcu
>   for library rte_lpm
> 
> Maybe there's something wrong with the environment?  This isn't the
> first time I've seen a dependency detection problem with meson.
> 
It probably not a detection problem, more likely the rcu library is not
being built for some reason. If you apply patch [1] the meson run will
print out each library and the dependency object generated for it as each
is processed. That should help debug issues like this.

/Bruce

[1] http://patches.dpdk.org/patch/59470/


More information about the dev mailing list