github.com/opencontainers/runc@v1.2.0-rc.1.0.20240520010911-492dc558cdd6/libcontainer/intelrdt/cmt_test.go (about)

     1  package intelrdt
     2  
     3  import (
     4  	"path/filepath"
     5  	"testing"
     6  )
     7  
     8  func TestGetCMTNumaNodeStats(t *testing.T) {
     9  	mocksNUMANodesToCreate := []string{"mon_l3_00", "mon_l3_01"}
    10  
    11  	mocksFilesToCreate := map[string]uint64{
    12  		"llc_occupancy": 9123911,
    13  	}
    14  
    15  	mockedL3_MON := mockResctrlL3_MON(t, mocksNUMANodesToCreate, mocksFilesToCreate)
    16  
    17  	t.Run("Gather mbm", func(t *testing.T) {
    18  		enabledMonFeatures.llcOccupancy = true
    19  
    20  		stats := make([]CMTNumaNodeStats, 0, len(mocksNUMANodesToCreate))
    21  		for _, numa := range mocksNUMANodesToCreate {
    22  			other, err := getCMTNumaNodeStats(filepath.Join(mockedL3_MON, "mon_data", numa))
    23  			if err != nil {
    24  				t.Fatal(err)
    25  			}
    26  			stats = append(stats, *other)
    27  		}
    28  
    29  		expectedStats := CMTNumaNodeStats{
    30  			LLCOccupancy: mocksFilesToCreate["llc_occupancy"],
    31  		}
    32  
    33  		checkCMTStatCorrection(stats[0], expectedStats, t)
    34  		checkCMTStatCorrection(stats[1], expectedStats, t)
    35  	})
    36  }
    37  
    38  func checkCMTStatCorrection(got CMTNumaNodeStats, expected CMTNumaNodeStats, t *testing.T) {
    39  	if got.LLCOccupancy != expected.LLCOccupancy {
    40  		t.Fatalf("Wrong value of `llc_occupancy`. Expected: %v but got: %v",
    41  			expected.LLCOccupancy,
    42  			got.LLCOccupancy)
    43  	}
    44  }