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authorFlorin Coras <fcoras@cisco.com>2017-09-11 20:54:15 -0400
committerDave Barach <openvpp@barachs.net>2017-09-15 20:56:49 +0000
commit2f9b0c05fca7ca829ea438da1d87e2bf93969500 (patch)
treee426f427c1f5da45b3815cae4f1b0400897bd6de /src/plugins/dpdk/device/device.c
parent3e233678f13bc175e652ac0ea4a038054771ee97 (diff)
dpdk: cli to check for buffer leakage
Use buffer pre_data and existing buffer trace trajectory code to find out dpdk buffer leakages. Change-Id: I26a5d8bd2f23d01cb6070ffc3ddcc6d3d863b575 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/device/device.c')
-rw-r--r--src/plugins/dpdk/device/device.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/device.c b/src/plugins/dpdk/device/device.c
index 97c136301df..aa134327373 100644
--- a/src/plugins/dpdk/device/device.c
+++ b/src/plugins/dpdk/device/device.c
@@ -462,6 +462,11 @@ dpdk_interface_tx (vlib_main_t * vm,
or_flags = b0->flags | b1->flags | b2->flags | b3->flags;
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b2);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b3);
+
if (or_flags & VLIB_BUFFER_NEXT_PRESENT)
{
dpdk_validate_rte_mbuf (vm, b0, 1);
@@ -556,6 +561,7 @@ dpdk_interface_tx (vlib_main_t * vm,
from++;
b0 = vlib_get_buffer (vm, bi0);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
dpdk_validate_rte_mbuf (vm, b0, 1);
in/tests/vpp/perf/l2/2n1l-25ge2p1xxv710-dot1q-l2xcbase-ndrpdr.robot?h=rls1908&id=3bd92c7d17d20cf949c20e5d0324323e5c612631'>plain) 
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# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

*** Settings ***
| Resource | resources/libraries/robot/performance/performance_setup.robot
| Resource | resources/libraries/robot/l2/tagging.robot
| ...
| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
| ... | NIC_Intel-XXV710 | L2XCFWD | BASE | DOT1Q
| ...
| Suite Setup | Set up 2-node performance topology with DUT's NIC model
| ... | L2 | Intel-XXV710
| ...
| Suite Teardown | Tear down 2-node performance topology
| ...
| Test Setup | Set up performance test
| ...
| Test Teardown | Tear down performance discovery test | ${min_rate}pps
| ... | ${framesize} | ${traffic_profile}
| ...
| Test Template | Local Template
| ...
| Documentation | *RFC2544: Pkt throughput L2XC with IEEE 802.1Q test cases*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology with\
| ... | single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 cross connect. IEEE\
| ... | 802.1Q tagging is applied on link between DUT1-if2 and TG-if2.
| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 cross- connect.\
| ... | DUT1 is tested with 2p25GE NIC XXV710 by Intel.
| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
| ... | Rate) with zero packet loss tolerance or throughput PDR (Partial Drop\
| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
| ... | of packets transmitted. NDR and PDR are discovered for different\
| ... | Ethernet L2 frame sizes using MLRsearch library. Test packets are\
| ... | generated by TG on links to DUTs. TG traffic profile contains two L3\
| ... | flow-groups (flow-group per direction, 254 flows per flow-group) with\
| ... | all packets containing Ethernet header, IPv4 header with IP protocol=61\
| ... | and static payload. MAC addresses are matching MAC addresses of the TG\
| ... | node interfaces.
| ... | *[Ref] Applicable standard specifications:* RFC2544.

*** Variables ***
| ${subid}= | 10
| ${tag_rewrite}= | pop-1
| ${overhead}= | ${4}
# XXV710-DA2 bandwidth limit ~49Gbps/2=24.5Gbps
| ${s_24.5G}= | ${24500000000}
# XXV710-DA2 Mpps limit 37.5Mpps/2=18.75Mpps
| ${s_18.75Mpps}= | ${18750000}
# Traffic profile:
| ${traffic_profile}= | trex-sl-2n-dot1qip4asym-ip4src254

*** Keywords ***
| Local Template
| | [Documentation]
| | ... | [Cfg] Each DUT runs L2XC config with VLAN and uses ${phy_cores}\
| | ... | physical core(s) for worker threads.
| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
| | ...
| | ... | *Arguments:*
| | ... | - framesize - Framesize in Bytes in integer or string (IMIX_v4_1).
| | ... | Type: integer, string
| | ... | - phy_cores - Number of physical cores. Type: integer
| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
| | ...
| | [Arguments] | ${framesize} | ${phy_cores} | ${rxq}=${None}
| | ...
| | Set Test Variable | ${framesize}
| | Set Test Variable | ${min_rate} | ${10000}
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo And Handle Multi Seg
| | ... | ${s_24.5G} | ${framesize} | pps_limit=${s_18.75Mpps}
| | ... | overhead=${overhead}
| | And Apply startup configuration on all VPP DUTs
| | When Initialize VLAN dot1q sub-interfaces in circular topology
| | ... | ${dut1} | ${dut1_if2} | SUB_ID=${subid}
| | And Configure L2 tag rewrite method on interfaces
| | ... | ${dut1} | ${subif_index_1} | TAG_REWRITE_METHOD=${tag_rewrite}
| | And Connect interfaces and VLAN sub-interfaces using L2XC
| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
| | Then Find NDR and PDR intervals using optimized search
| | ... | ${framesize} | ${traffic_profile} | ${min_rate} | ${max_rate}

*** Test Cases ***
| tc01-64B-1c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 64B | 1C
| | framesize=${64} | phy_cores=${1}

| tc02-64B-2c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 64B | 2C
| | framesize=${64} | phy_cores=${2}

| tc03-64B-4c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 64B | 4C
| | framesize=${64} | phy_cores=${4}

| tc04-1518B-1c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 1518B | 1C
| | framesize=${1518} | phy_cores=${1}

| tc05-1518B-2c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 1518B | 2C
| | framesize=${1518} | phy_cores=${2}

| tc06-1518B-4c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 1518B | 4C
| | framesize=${1518} | phy_cores=${4}

| tc07-9000B-1c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 9000B | 1C
| | framesize=${9000} | phy_cores=${1}

| tc08-9000B-2c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 9000B | 2C
| | framesize=${9000} | phy_cores=${2}

| tc09-9000B-4c-dot1q-l2xcbase-ndrpdr
| | [Tags] | 9000B | 4C
| | framesize=${9000} | phy_cores=${4}

| tc10-IMIX-1c-dot1q-l2xcbase-ndrpdr
| | [Tags] | IMIX | 1C
| | framesize=IMIX_v4_1 | phy_cores=${1}

| tc11-IMIX-2c-dot1q-l2xcbase-ndrpdr
| | [Tags] | IMIX | 2C
| | framesize=IMIX_v4_1 | phy_cores=${2}

| tc12-IMIX-4c-dot1q-l2xcbase-ndrpdr
| | [Tags] | IMIX | 4C
| | framesize=IMIX_v4_1 | phy_cores=${4}