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Diffstat (limited to 'docs/userguide/low_latency.userguide.rst')
| -rw-r--r-- | docs/userguide/low_latency.userguide.rst | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/docs/userguide/low_latency.userguide.rst b/docs/userguide/low_latency.userguide.rst index e65c8aa4f..f027b4939 100644 --- a/docs/userguide/low_latency.userguide.rst +++ b/docs/userguide/low_latency.userguide.rst @@ -73,7 +73,7 @@ more explanation. Test cases to measure Latency ----------------------------- -The performance of the kvmfornfv is assesed by the latency values. Cyclictest and Packet forwarding +The performance of the kvm4nfv is assesed by the latency values. Cyclictest and Packet forwarding Test cases result in real time latency values of average, minimum and maximum. * Cyclictest @@ -83,7 +83,7 @@ Test cases result in real time latency values of average, minimum and maximum. 1. Cyclictest case ------------------- Cyclictest results are the most frequently cited real-time Linux metric. The core concept of Cyclictest is very simple. -In KVMFORNFV cyclictest is implemented on the Guest-VM with 4.4-Kernel RPM installed. It generated Max,Min and Avg +In KVM4NFV cyclictest is implemented on the Guest-VM with 4.4-Kernel RPM installed. It generated Max,Min and Avg values which help in assesing the kernel used. Cyclictest in currently divided into the following test types, * Idle-Idle @@ -132,20 +132,19 @@ Version Features | | | | +-----------------------+------------------+-----------------+ | - Idle - Idle | ``Y`` | ``Y`` | -| | | | ++-----------------------+------------------+-----------------+ | - Cpustress - Idle | | ``Y`` | -| | | | ++-----------------------+------------------+-----------------+ | - Memorystress - Idle | | ``Y`` | -| | | | ++-----------------------+------------------+-----------------+ | - IOstress - Idle | | ``Y`` | -| | | | +-----------------------+------------------+-----------------+ Idle-Idle test-type ~~~~~~~~~~~~~~~~~~~ Cyclictest in run on the Guest VM when Host,Guest are not under any kind of stress. This is the basic -cyclictest of the KVMFORNFV project. Outputs Avg, Min and Max latency values. +cyclictest of the KVM4NFV project. Outputs Avg, Min and Max latency values. .. figure:: images/idle-idle-test-type.png :name: idle-idle test type @@ -199,10 +198,10 @@ Not implemented for Danube release. 2. Packet Forwarding Test cases ------------------------------- -Packet forwarding is an other test case of Kvmfornfv. It measures the time taken by a packet to return +Packet forwarding is an other test case of Kvm4nfv. It measures the time taken by a packet to return to source after reaching its destination. This test case uses automated test-framework provided by -OPNFV VSWITCHPERF project and a traffic generator (IXIA is used for kvmfornfv). Only latency results -generating test cases are triggered as a part of kvmfornfv daily job. +OPNFV VSWITCHPERF project and a traffic generator (IXIA is used for kvm4nfv). Only latency results +generating test cases are triggered as a part of kvm4nfv daily job. Latency test measures the time required for a frame to travel from the originating device through the network to the destination device. Please note that RFC2544 Latency measurement will be superseded with |