X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=docs%2Freport%2Fintroduction%2Fmethodology_kvm_vms_vhost_user.rst;h=216d461911cd5e3b21a04fbd1023097bc76a460a;hp=34e3bc0447502c1251138201123124d47fb3348f;hb=HEAD;hpb=124101d22151239b0411a73ae4d2bf8d70970937 diff --git a/docs/report/introduction/methodology_kvm_vms_vhost_user.rst b/docs/report/introduction/methodology_kvm_vms_vhost_user.rst deleted file mode 100644 index 34e3bc0447..0000000000 --- a/docs/report/introduction/methodology_kvm_vms_vhost_user.rst +++ /dev/null @@ -1,23 +0,0 @@ -KVM VMs vhost-user ------------------- - -FD.io CSIT performance lab is testing VPP vhost with KVM VMs using -following environment settings: - -- Tests with varying Qemu virtio queue (a.k.a. vring) sizes: [vr256] - default 256 descriptors, [vr1024] 1024 descriptors to optimize for - packet throughput. -- Tests with varying Linux :abbr:`CFS (Completely Fair Scheduler)` - settings: [cfs] default settings, [cfsrr1] CFS RoundRobin(1) policy - applied to all data plane threads handling test packet path including - all VPP worker threads and all Qemu testpmd poll-mode threads. -- Resulting test cases are all combinations with [vr256,vr1024] and - [cfs,cfsrr1] settings. -- Adjusted Linux kernel :abbr:`CFS (Completely Fair Scheduler)` - scheduler policy for data plane threads used in CSIT is documented in - `CSIT Performance Environment Tuning wiki - `_. -- The purpose is to verify performance impact (MRR and NDR/PDR - throughput) and same test measurements repeatability, by making VPP - and VM data plane threads less susceptible to other Linux OS system - tasks hijacking CPU cores running those data plane threads.