X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Frobot%2Fperformance.robot;h=823b8ce2bab0001e480fcf6ca112dcae15c77606;hp=28f02f9123bae7faeac4279a522e4e67b7fbb783;hb=c232d04e7a5bffb72063240ee7e15967f46c4873;hpb=b0eaa32dce87ccb8749b227066b26ae9bc66cace diff --git a/resources/libraries/robot/performance.robot b/resources/libraries/robot/performance.robot index 28f02f9123..823b8ce2ba 100644 --- a/resources/libraries/robot/performance.robot +++ b/resources/libraries/robot/performance.robot @@ -27,6 +27,7 @@ | Resource | resources/libraries/robot/ipv4.robot | Resource | resources/libraries/robot/ipv6.robot | Resource | resources/libraries/robot/qemu.robot +| Resource | resources/libraries/robot/tagging.robot | Documentation | Performance suite keywords *** Keywords *** @@ -167,7 +168,7 @@ | | Append Node | ${nodes['TG']} | | Append Node | ${nodes['DUT1']} | filter_list=${iface_model_list} | | Append Node | ${nodes['TG']} -| | Compute Path +| | Compute Path | always_same_link=${FALSE} | | ${tg_if1} | ${tg}= | Next Interface | | ${dut1_if1} | ${dut1}= | Next Interface | | ${dut1_if2} | ${dut1}= | Next Interface @@ -618,6 +619,41 @@ | | L2 setup xconnect on DUT | ${dut2} | ${dut2_if2} | ${vhost_if2} | | All Vpp Interfaces Ready Wait | ${nodes} +| L2 xconnect with Vhost-User and VLAN initialized in a 3-node circular topology +| | [Documentation] +| | ... | Create two Vhost-User interfaces on all defined VPP nodes. Cross +| | ... | connect each Vhost interface with one physical interface. +| | ... | Setup VLAN between DUTs. All interfaces are brought up. +| | ... +| | ... | *Arguments:* +| | ... | - sock1 - Socket path for first Vhost-User interface. Type: string +| | ... | - sock2 - Socket path for second Vhost-User interface. Type: string +| | ... | - subid - ID of the sub-interface to be created. Type: string +| | ... | - tag_rewrite - Method of tag rewrite. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| L2 xconnect with Vhost-User and VLAN initialized in a 3-node\ +| | ... | circular topology \| /tmp/sock1 \| /tmp/sock2 \| 10 \| pop-1 \| +| | ... +| | [Arguments] | ${sock1} | ${sock2} | ${subid} | ${tag_rewrite} +| | ... +| | VPP interfaces in path are up in a 3-node circular topology +| | VLAN dot1q subinterfaces initialized on 3-node topology +| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid} +| | L2 tag rewrite method setup on interfaces +| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2} +| | ... | ${tag_rewrite} +| | VPP Vhost interfaces for L2BD forwarding are setup | ${dut1} +| | ... | ${sock1} | ${sock2} +| | L2 setup xconnect on DUT | ${dut1} | ${dut1_if1} | ${vhost_if1} +| | L2 setup xconnect on DUT | ${dut1} | ${subif_index_1} | ${vhost_if2} +| | VPP Vhost interfaces for L2BD forwarding are setup | ${dut2} +| | ... | ${sock1} | ${sock2} +| | L2 setup xconnect on DUT | ${dut2} | ${subif_index_2} | ${vhost_if1} +| | L2 setup xconnect on DUT | ${dut2} | ${dut2_if2} | ${vhost_if2} +| | All Vpp Interfaces Ready Wait | ${nodes} + | L2 bridge domain initialized in a 3-node circular topology | | [Documentation] | | ... | Setup L2 DB topology by adding two interfaces on each DUT into BD @@ -661,6 +697,117 @@ | | Interface is added to bridge domain | ${dut2} | ${vhost_if2} | ${bd_id2} | | All Vpp Interfaces Ready Wait | ${nodes} +| L2 bridge domain with VXLANoIPv4 initialized in a 3-node circular topology +| | [Documentation] +| | ... | Setup L2 bridge domain topology with VXLANoIPv4 by connecting +| | ... | physical and vxlan interfaces on each DUT. All interfaces are brought +| | ... | up. IPv4 addresses with prefix /24 are configured on interfaces +| | ... | between DUTs. VXLAN sub-interfaces has same IPv4 address as +| | ... | interfaces. +| | ... +| | VPP interfaces in path are up in a 3-node circular topology +| | IP addresses are set on interfaces | ${dut1} | ${dut1_if2} | 172.16.0.1 | 24 +| | IP addresses are set on interfaces | ${dut2} | ${dut2_if1} | 172.16.0.2 | 24 +| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2} +| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1} +| | Add arp on dut | ${dut1} | ${dut1_if2} | 172.16.0.2 | ${dut2_if1_mac} +| | Add arp on dut | ${dut2} | ${dut2_if1} | 172.16.0.1 | ${dut1_if2_mac} +| | ${dut1s_vxlan}= | Create VXLAN interface | ${dut1} | 24 +| | ... | 172.16.0.1 | 172.16.0.2 +| | ${dut2s_vxlan}= | Create VXLAN interface | ${dut2} | 24 +| | ... | 172.16.0.2 | 172.16.0.1 +| | Vpp l2bd forwarding setup | ${dut1} | ${dut1_if1} | ${dut1s_vxlan} +| | Vpp l2bd forwarding setup | ${dut2} | ${dut2_if2} | ${dut2s_vxlan} +| | All Vpp Interfaces Ready Wait | ${nodes} + +| L2 bridge domains with Vhost-User and VXLANoIPv4 initialized in a 3-node circular topology +| | [Documentation] +| | ... | Create two Vhost-User interfaces on all defined VPP nodes. Add each +| | ... | Vhost-User interface into L2 bridge domains with learning enabled +| | ... | with physical inteface. +| | ... | Setup VXLANoIPv4 between DUTs by connecting physical and vxlan +| | ... | interfaces on each DUT. All interfaces are brought up. +| | ... | IPv4 addresses with prefix /24 are configured on interfaces between +| | ... | DUTs. VXLAN sub-interfaces has same IPv4 address as interfaces. +| | ... +| | ... | *Arguments:* +| | ... | - bd_id1 - Bridge domain ID. Type: integer +| | ... | - bd_id2 - Bridge domain ID. Type: integer +| | ... | - sock1 - Sock path for first Vhost-User interface. Type: string +| | ... | - sock2 - Sock path for second Vhost-User interface. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| L2 bridge domains with Vhost-User and VXLANoIPv4 initialized in a\ +| | ... | 3-node circular topology \| 1 \| 2 \| /tmp/sock1 \| /tmp/sock2 \| +| | ... +| | [Arguments] | ${bd_id1} | ${bd_id2} | ${sock1} | ${sock2} +| | ... +| | VPP interfaces in path are up in a 3-node circular topology +| | IP addresses are set on interfaces | ${dut1} | ${dut1_if2} | 172.16.0.1 | 24 +| | IP addresses are set on interfaces | ${dut2} | ${dut2_if1} | 172.16.0.2 | 24 +| | ${dut1s_vxlan}= | Create VXLAN interface | ${dut1} | 24 +| | ... | 172.16.0.1 | 172.16.0.2 +| | ${dut2s_vxlan}= | Create VXLAN interface | ${dut2} | 24 +| | ... | 172.16.0.2 | 172.16.0.1 +| | VPP Vhost interfaces for L2BD forwarding are setup | ${dut1} +| | ... | ${sock1} | ${sock2} +| | Interface is added to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id1} +| | Interface is added to bridge domain | ${dut1} | ${vhost_if1} | ${bd_id1} +| | Interface is added to bridge domain | ${dut1} | ${vhost_if2} | ${bd_id2} +| | Interface is added to bridge domain | ${dut1} | ${dut1s_vxlan} | ${bd_id2} +| | VPP Vhost interfaces for L2BD forwarding are setup | ${dut2} +| | ... | ${sock1} | ${sock2} +| | Interface is added to bridge domain | ${dut2} | ${dut2s_vxlan} | ${bd_id1} +| | Interface is added to bridge domain | ${dut2} | ${vhost_if1} | ${bd_id1} +| | Interface is added to bridge domain | ${dut2} | ${vhost_if2} | ${bd_id2} +| | Interface is added to bridge domain | ${dut2} | ${dut2_if2} | ${bd_id2} +| | All Vpp Interfaces Ready Wait | ${nodes} + +| L2 bridge domains with Vhost-User and VLAN initialized in a 3-node circular topology +| | [Documentation] +| | ... | Create two Vhost-User interfaces on all defined VPP nodes. Add each +| | ... | Vhost-User interface into L2 bridge domains with learning enabled +| | ... | with physical inteface. +| | ... | Setup VLAN between DUTs. All interfaces are brought up. +| | ... +| | ... | *Arguments:* +| | ... | - bd_id1 - Bridge domain ID. Type: integer +| | ... | - bd_id2 - Bridge domain ID. Type: integer +| | ... | - sock1 - Sock path for first Vhost-User interface. Type: string +| | ... | - sock2 - Sock path for second Vhost-User interface. Type: string +| | ... | - subid - ID of the sub-interface to be created. Type: string +| | ... | - tag_rewrite - Method of tag rewrite. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| L2 bridge domains with Vhost-User and VLAN initialized in a 3-node\ +| | ... | circular topology \| 1 \| 2 \| /tmp/sock1 \| /tmp/sock2 \| 10\ +| | ... | pop-1 \| +| | ... +| | [Arguments] | ${bd_id1} | ${bd_id2} | ${sock1} | ${sock2} | ${subid} +| | ... | ${tag_rewrite} +| | ... +| | VPP interfaces in path are up in a 3-node circular topology +| | VLAN dot1q subinterfaces initialized on 3-node topology +| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid} +| | L2 tag rewrite method setup on interfaces +| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2} +| | ... | ${tag_rewrite} +| | VPP Vhost interfaces for L2BD forwarding are setup | ${dut1} +| | ... | ${sock1} | ${sock2} +| | Interface is added to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id1} +| | Interface is added to bridge domain | ${dut1} | ${vhost_if1} | ${bd_id1} +| | Interface is added to bridge domain | ${dut1} | ${vhost_if2} | ${bd_id2} +| | Interface is added to bridge domain | ${dut1} | ${subif_index_1} | ${bd_id2} +| | VPP Vhost interfaces for L2BD forwarding are setup | ${dut2} +| | ... | ${sock1} | ${sock2} +| | Interface is added to bridge domain | ${dut2} | ${subif_index_2} | ${bd_id1} +| | Interface is added to bridge domain | ${dut2} | ${vhost_if1} | ${bd_id1} +| | Interface is added to bridge domain | ${dut2} | ${vhost_if2} | ${bd_id2} +| | Interface is added to bridge domain | ${dut2} | ${dut2_if2} | ${bd_id2} +| | All Vpp Interfaces Ready Wait | ${nodes} + 2-node Performance Suite Setup with DUT's NIC model | | [Documentation] | | ... | Suite preparation phase that setup default startup configuration of @@ -885,7 +1032,9 @@ | | ... | Set Loss Acceptance Type Percentage | | Set Binary Convergence Threshold | ${threshold} | | Binary Search | ${binary_min} | ${binary_max} | ${topology_type} -| | ${rate_per_stream} | ${latency}= | Verify Search Result +| | ${rate_per_stream} | ${lat}= | Verify Search Result +| | ${tmp}= | Create List | 100%NDR | ${lat} +| | ${latency}= | Create List | ${tmp} | | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2 | | ... | ${loss_acceptance} | ${loss_acceptance_type} | | ... | ${latency} @@ -1040,7 +1189,7 @@ | | ... | *Example:* | | ... | | ... | \| Display result of PDR search \| 4400000 \| 64 \| 2 \| 0.5 \ -| | ... | \| percentage \| (0, 10/10/10) \| +| | ... | \| percentage \| [100%NDR, [10/10/10, 1/2/3]] \| | | [Arguments] | ${rate_per_stream} | ${framesize} | ${nr_streams} | | ... | ${loss_acceptance} | ${loss_acceptance_type} | ${latency} | | ${framesize}= | Get Frame Size | ${framesize} @@ -1051,9 +1200,9 @@ | | ... | append=yes | | Set Test Message | ${\n}FINAL_BANDWIDTH: ${bandwidth_total} Gbps (untagged) | | ... | append=yes -| | :FOR | ${idx} | ${lat} | IN ENUMERATE | @{latency} -| | | Set Test Message | ${\n}LATENCY_STREAM_${idx}: ${lat} usec (min/avg/max) -| | ... | append=yes +| | Set Test Message | ${\n}LATENCY usec [min/avg/max] | append=yes +| | :FOR | ${lat} | IN | @{latency} +| | | Set Test Message | ${\n}LAT_${lat[0]}: ${lat[1]} | append=yes | | Set Test Message | ${\n}LOSS_ACCEPTANCE: ${loss_acceptance} ${loss_acceptance_type} | | ... | append=yes @@ -1072,10 +1221,11 @@ | | ... | \| Measure latency \| 10 \| 4.0 \| 64 \| 3-node-IPv4 | | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type} | | Return From Keyword If | ${rate} <= 10000 | ${-1} -| | Clear all counters on all DUTs +| | ${ret}= | For DPDK Performance Test +| | Run Keyword If | ${ret}==${FALSE} | Clear all counters on all DUTs | | Send traffic on tg | ${duration} | ${rate}pps | ${framesize} | | ... | ${topology_type} | warmup_time=0 -| | Show statistics on all DUTs +| | Run Keyword If | ${ret}==${FALSE} | Show statistics on all DUTs | | Run keyword and return | Get latency | Traffic should pass with no loss @@ -1097,10 +1247,11 @@ | | ... | ${fail_on_loss}=${True} | | Clear and show runtime counters with running traffic | ${duration} | | ... | ${rate} | ${framesize} | ${topology_type} -| | Clear all counters on all DUTs +| | ${ret}= | For DPDK Performance Test +| | Run Keyword If | ${ret}==${FALSE} | Clear all counters on all DUTs | | Send traffic on tg | ${duration} | ${rate} | ${framesize} | | ... | ${topology_type} | warmup_time=0 -| | Show statistics on all DUTs +| | Run Keyword If | ${ret}==${FALSE} | Show statistics on all DUTs | | Run Keyword If | ${fail_on_loss} | No traffic loss occurred | Traffic should pass with partial loss @@ -1125,10 +1276,11 @@ | | ... | ${fail_on_loss}=${True} | | Clear and show runtime counters with running traffic | ${duration} | | ... | ${rate} | ${framesize} | ${topology_type} -| | Clear all counters on all DUTs +| | ${ret}= | For DPDK Performance Test +| | Run Keyword If | ${ret}==${FALSE} | Clear all counters on all DUTs | | Send traffic on tg | ${duration} | ${rate} | ${framesize} | | ... | ${topology_type} | warmup_time=0 -| | Show statistics on all DUTs +| | Run Keyword If | ${ret}==${FALSE} | Show statistics on all DUTs | | Run Keyword If | ${fail_on_loss} | Partial traffic loss accepted | | ... | ${loss_acceptance} | ${loss_acceptance_type} @@ -1152,9 +1304,10 @@ | | Send traffic on tg | -1 | ${rate} | ${framesize} | | ... | ${topology_type} | warmup_time=0 | async_call=${True} | | ... | latency=${False} -| | Clear runtime counters on all DUTs +| | ${ret}= | For DPDK Performance Test +| | Run Keyword If | ${ret}==${FALSE} | Clear runtime counters on all DUTs | | Sleep | ${duration} -| | Show runtime counters on all DUTs +| | Run Keyword If | ${ret}==${FALSE} | Show runtime counters on all DUTs | | Stop traffic on tg | Add PCI devices to DUTs from 3-node single link topology @@ -1168,8 +1321,8 @@ | Guest VM with dpdk-testpmd connected via vhost-user is setup | | [Documentation] | | ... | Start QEMU guest with two vhost-user interfaces and interconnecting -| | ... | DPDK testpmd. Qemu Guest is using 3 cores pinned to physical cores 5, -| | ... | 6, 7 and 2048M. Testpmd is using 3 cores (1 main core and 2 cores +| | ... | DPDK testpmd. Qemu Guest is using 5 cores pinned to physical cores +| | ... | 5-9, and 2048M. Testpmd is using 5 cores (1 main core and 4 cores | | ... | dedicated to io) mem-channel=4, txq/rxq=256, burst=64, | | ... | disable-hw-vlan, disable-rss, driver usr/lib/librte_pmd_virtio.so | | ... | and fwd mode is io. @@ -1190,24 +1343,23 @@ | | Run keyword | ${vm_name}.Qemu Add Vhost User If | ${sock1} | | Run keyword | ${vm_name}.Qemu Add Vhost User If | ${sock2} | | Run keyword | ${vm_name}.Qemu Set Node | ${dut_node} -| | Run keyword | ${vm_name}.Qemu Set Smp | 3 | 3 | 1 | 1 +| | Run keyword | ${vm_name}.Qemu Set Smp | 5 | 5 | 1 | 1 | | Run keyword | ${vm_name}.Qemu Set Mem Size | 2048 | | Run keyword | ${vm_name}.Qemu Set Disk Image | ${glob_vm_image} | | ${vm}= | Run keyword | ${vm_name}.Qemu Start -| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7 +| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7 | 8 | 9 | | Run keyword | ${vm_name}.Qemu Set Scheduler Policy -| | Dpdk Testpmd Start | ${vm} | eal_coremask=0x7 +| | Dpdk Testpmd Start | ${vm} | eal_coremask=0x1f | | ... | eal_mem_channels=4 | | ... | pmd_fwd_mode=io | | ... | pmd_disable_hw_vlan=${True} -| | ... | pmd_disable_rss=${True} | | Return From Keyword | ${vm} | Guest VM with dpdk-testpmd-mac connected via vhost-user is setup | | [Documentation] | | ... | Start QEMU guest with two vhost-user interfaces and interconnecting -| | ... | DPDK testpmd. Qemu Guest is using 3 cores pinned to physical cores 5, -| | ... | 6, 7 and 2048M. Testpmd is using 3 cores (1 main core and 2 cores +| | ... | DPDK testpmd. Qemu Guest is using 5 cores pinned to physical cores +| | ... | 5-9 and 2048M. Testpmd is using 5 cores (1 main core and 4 cores | | ... | dedicated to io) mem-channel=4, txq/rxq=256, burst=64, | | ... | disable-hw-vlan, disable-rss, driver usr/lib/librte_pmd_virtio.so | | ... | and fwd mode is mac rewrite. @@ -1232,19 +1384,18 @@ | | Run keyword | ${vm_name}.Qemu Add Vhost User If | ${sock1} | | Run keyword | ${vm_name}.Qemu Add Vhost User If | ${sock2} | | Run keyword | ${vm_name}.Qemu Set Node | ${dut_node} -| | Run keyword | ${vm_name}.Qemu Set Smp | 3 | 3 | 1 | 1 +| | Run keyword | ${vm_name}.Qemu Set Smp | 5 | 5 | 1 | 1 | | Run keyword | ${vm_name}.Qemu Set Mem Size | 2048 | | Run keyword | ${vm_name}.Qemu Set Disk Image | ${glob_vm_image} | | ${vm}= | Run keyword | ${vm_name}.Qemu Start -| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7 +| | Run keyword | ${vm_name}.Qemu Set Affinity | 5 | 6 | 7 | 8 | 9 | | Run keyword | ${vm_name}.Qemu Set Scheduler Policy -| | Dpdk Testpmd Start | ${vm} | eal_coremask=0x7 +| | Dpdk Testpmd Start | ${vm} | eal_coremask=0x1f | | ... | eal_mem_channels=4 | | ... | pmd_fwd_mode=mac | | ... | pmd_eth_peer_0=0,${eth0_mac} | | ... | pmd_eth_peer_1=1,${eth1_mac} | | ... | pmd_disable_hw_vlan=${True} -| | ... | pmd_disable_rss=${True} | | Return From Keyword | ${vm} | Guest VM with Linux Bridge connected via vhost-user is setup @@ -1506,3 +1657,78 @@ | | dut1_v4.set_arp | ${dut1_if2} | ${dut2_dut1_ip4_address} | ${dut2_if1_mac} | | dut2_v4.set_arp | ${dut2_if1} | ${dut1_dut2_ip4_address} | ${dut1_if2_mac} +DPDK 2-node Performance Suite Setup with DUT's NIC model +| | [Documentation] +| | ... | Updates interfaces on all nodes and setup global +| | ... | variables used in test cases based on interface model provided as an +| | ... | argument. Initializes traffic generator. Initializes DPDK test +| | ... | environment. +| | ... +| | ... | *Arguments:* +| | ... | - topology_type - Topology type. Type: string +| | ... | - nic_model - Interface model. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| DPDK 2-node Performance Suite Setup with DUT's NIC model \ +| | ... | \| L2 \| Intel-X520-DA2 \| +| | [Arguments] | ${topology_type} | ${nic_model} +| | Setup performance global Variables +| | 2-node circular Topology Variables Setup with DUT interface model +| | ... | ${nic_model} +| | Initialize traffic generator | ${tg} | ${tg_if1} | ${tg_if2} +| | ... | ${dut1} | ${dut1_if1} +| | ... | ${dut1} | ${dut1_if2} +| | ... | ${topology_type} +| | Initialize DPDK Environment | ${dut1} | ${dut1_if1} | ${dut1_if2} + +DPDK 3-node Performance Suite Setup with DUT's NIC model +| | [Documentation] +| | ... | Updates interfaces on all nodes and setup global +| | ... | variables used in test cases based on interface model provided as an +| | ... | argument. Initializes traffic generator. Initializes DPDK test +| | ... | environment. +| | ... +| | ... | *Arguments:* +| | ... | - topology_type - Topology type. Type: string +| | ... | - nic_model - Interface model. Type: string +| | ... +| | ... | *Example:* +| | ... +| | ... | \| 3-node Performance Suite Setup \| L2 \| Intel-X520-DA2 \| +| | [Arguments] | ${topology_type} | ${nic_model} +| | Setup performance global Variables +| | 3-node circular Topology Variables Setup with DUT interface model +| | ... | ${nic_model} +| | Initialize traffic generator | ${tg} | ${tg_if1} | ${tg_if2} +| | ... | ${dut1} | ${dut1_if1} +| | ... | ${dut2} | ${dut2_if2} +| | ... | ${topology_type} +| | Initialize DPDK Environment | ${dut1} | ${dut1_if1} | ${dut1_if2} +| | Initialize DPDK Environment | ${dut2} | ${dut2_if1} | ${dut2_if2} + +DPDK 3-node Performance Suite Teardown +| | [Documentation] +| | ... | Suite teardown phase with traffic generator teardown. +| | ... | Cleanup DPDK test environment. +| | ... +| | Teardown traffic generator | ${tg} +| | Cleanup DPDK Environment | ${dut1} | ${dut1_if1} | ${dut1_if2} +| | Cleanup DPDK Environment | ${dut2} | ${dut2_if1} | ${dut2_if2} + +DPDK 2-node Performance Suite Teardown +| | [Documentation] +| | ... | Suite teardown phase with traffic generator teardown. +| | ... | Cleanup DPDK test environment. +| | ... +| | Teardown traffic generator | ${tg} +| | Cleanup DPDK Environment | ${dut1} | ${dut1_if1} | ${dut1_if2} + +For DPDK Performance Test +| | [Documentation] +| | ... | Return TRUE if variable DPDK_TEST exist, otherwise FALSE. +| | ${ret} | ${tmp}= | Run Keyword And Ignore Error +| | ... | Variable Should Exist | ${DPDK_TEST} +| | Return From Keyword If | "${ret}" == "PASS" | ${TRUE} +| | Return From Keyword | ${FALSE} +