numam-dpdk/app
Zhihong Wang f2bb7ae1d2 app/testpmd: handle all Rx queues in RSS setup
This patch removes constraints in rxq handling when multiqueue is enabled
to handle all the rxqs.

Current testpmd forces a dedicated core for each rxq, some rxqs may be
ignored when core number is less than rxq number, and that causes confusion
and inconvenience.

One example: an engineer was doing multiqueue test, there're 2
ports in guest each with 4 queues, and testpmd was used as the forwarding
engine in guest, as usual he used 1 core for forwarding, as a results he
only saw traffic from port 0 queue 0 to port 1 queue 0, then a lot of
emails and quite some time are spent to root cause it, and of course it's
caused by this unreasonable testpmd behavior.

Moreover, even if we understand this behavior, if we want to test the
above case, we still need 8 cores for a single guest to poll all the
rxqs, obviously this is too expensive.

We met quite a lot cases like this, one recent example:
http://openvswitch.org/pipermail/dev/2016-June/072110.html

Signed-off-by: Zhihong Wang <zhihong.wang@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2016-06-16 16:26:35 +02:00
..
cmdline_test app/cmdline_test: add missing dependencies 2015-12-03 00:02:26 +01:00
proc_info examples: remove useless check of port count 2016-05-16 21:01:51 +02:00
test app/test: remove real PCI ids 2016-06-15 15:54:44 +02:00
test-acl acl: fix division by float zero in test app 2016-04-27 17:41:46 +02:00
test-pipeline ethdev: use constants for link state 2016-04-01 21:38:34 +02:00
test-pmd app/testpmd: handle all Rx queues in RSS setup 2016-06-16 16:26:35 +02:00
Makefile config: remove EAL flags for OS environment 2016-03-05 11:09:31 +01:00