3ab64341da
The number of mbufs in pools is not consistent depending on the
options passed by the user and the number of ports, especially
in numa mode, when the number of mbuf is specified by the user.
When the user specifies the number of mbuf (per pool), it should
overrides the default value.
- before the patch
./build/app/testpmd -- -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
<mbuf_pool_socket_1>: n=331456, size=2176, socket=1
./build/app/testpmd -- --total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=256000, size=2176, socket=0
<mbuf_pool_socket_1>: n=256000, size=2176, socket=1
# BAD, should be n=8000 for each socket
./build/app/testpmd -- --no-numa -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
./build/app/testpmd -- --no-numa --total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=8000, size=2176, socket=0
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
<mbuf_pool_socket_1>: n=331456, size=2176, socket=1
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- \
--total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=128000, size=2176, socket=0
<mbuf_pool_socket_1>: n=128000, size=2176, socket=1
# BAD, should be n=8000 for each socket
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- --no-numa -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- --no-numa \
--total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=8000, size=2176, socket=0
- after the patch
./build/app/testpmd -- -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
<mbuf_pool_socket_1>: n=331456, size=2176, socket=1
./build/app/testpmd -- --total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=8000, size=2176, socket=0
<mbuf_pool_socket_1>: n=8000, size=2176, socket=1
./build/app/testpmd -- --no-numa -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
./build/app/testpmd -- --no-numa --total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=8000, size=2176, socket=0
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
<mbuf_pool_socket_1>: n=331456, size=2176, socket=1
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- \
--total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=8000, size=2176, socket=0
<mbuf_pool_socket_1>: n=8000, size=2176, socket=1
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- --no-numa -i
<mbuf_pool_socket_0>: n=331456, size=2176, socket=0
./build/app/testpmd --vdev=eth_null0 --vdev=eth_null1 -- --no-numa \
--total-num-mbufs=8000 -i
<mbuf_pool_socket_0>: n=8000, size=2176, socket=0
Fixes: b6ea6408fbc7 ("ethdev: store numa_node per device")
Cc: stable@dpdk.org
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
DPDK is a set of libraries and drivers for fast packet processing. It supports many processor architectures and both FreeBSD and Linux. The DPDK uses the Open Source BSD license for the core libraries and drivers. The kernel components are GPLv2 licensed. Please check the doc directory for release notes, API documentation, and sample application information. For questions and usage discussions, subscribe to: users@dpdk.org Report bugs and issues to the development mailing list: dev@dpdk.org