E2E: Fix for checking L3 Cache spans entire numa node

The earlier pr openshift#1397 used to compare if the cpus
returned by ccx are same as numa node 0, which
may not be same, even though the size matches. This
cause the test to not skip on vm.

Signed-off-by: Niranjan M.R <[email protected]>

Author: mrniranjan

test/e2e/performanceprofile/functests/13_llc/llc.go

@@ -786,11 +786,14 @@ var _ = Describe("[rfe_id:77446] LLC-aware cpu pinning", Label(string(label.Open
 				ccx, err := getCCX(0)
 				Expect(err).ToNot(HaveOccurred())
 				L3CacheGroupSize = ccx.Size()
-				// Get actual CPU ID's from Numa Node 0
-				numaNode0Cpus := cpuset.New(numaInfo[0]...)
-
-				// Compare if L3 cache group CPUs match NUMA Node 0 CPUs
-				if ccx.Equals(numaNode0Cpus) {
+				// Compare length of numa node 0 cpus with ccx size
+				// if they are same then L3 Cache spans the whole of numa node
+				// we cannot compare the L3 cache cpus are same as numa node 0 cpus as
+				// as the cpu topology as they many not be same . For example
+				// ccx cpus may be 0-11, and numa node0 cpus could be 0,2,4,6,8,10,12,14,16,18,22
+				// if we were to compare the equality, the equality fails and tests will not be
+				// skipped atleast on Virtual machines
+				if len(numaInfo[0]) == L3CacheGroupSize {
 					Skip("This test requires systems where L3 cache is shared amount subset of cpus")
 				}