432 lines
17 KiB
Go
432 lines
17 KiB
Go
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//go:build linux && amd64
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package intel_pmu
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import (
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"errors"
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"fmt"
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"testing"
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ia "github.com/intel/iaevents"
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"github.com/stretchr/testify/require"
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)
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type mockPlacementFactory struct {
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err bool
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}
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func (m *mockPlacementFactory) NewPlacements(_ string, cpu int, cpus ...int) ([]ia.PlacementProvider, error) {
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if m.err {
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return nil, errors.New("mock error")
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}
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placements := []ia.PlacementProvider{
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&ia.Placement{CPU: cpu, PMUType: 4},
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}
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for _, cpu := range cpus {
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placements = append(placements, &ia.Placement{CPU: cpu, PMUType: 4})
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}
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return placements, nil
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}
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func TestActivateEntities(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{}
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// more core test cases in TestActivateCoreEvents
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t.Run("failed to activate core events", func(t *testing.T) {
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tag := "TAG"
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mEntities := []*coreEventEntity{{EventsTag: tag}}
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err := mEntitiesActivator.activateEntities(mEntities, nil)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("failed to activate core events %q", tag))
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})
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// more uncore test cases in TestActivateUncoreEvents
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t.Run("failed to activate uncore events", func(t *testing.T) {
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tag := "TAG"
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mEntities := []*uncoreEventEntity{{EventsTag: tag}}
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err := mEntitiesActivator.activateEntities(nil, mEntities)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("failed to activate uncore events %q", tag))
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})
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t.Run("nothing to do", func(t *testing.T) {
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err := mEntitiesActivator.activateEntities(nil, nil)
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require.NoError(t, err)
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})
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}
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func TestActivateUncoreEvents(t *testing.T) {
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mActivator := &mockEventsActivator{}
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mMaker := &mockPlacementMaker{}
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errMock := errors.New("error mock")
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t.Run("entity is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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err := mEntitiesActivator.activateUncoreEvents(nil)
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require.Error(t, err)
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require.Contains(t, err.Error(), "uncore events entity is nil")
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})
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t.Run("event is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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mEntity := &uncoreEventEntity{parsedEvents: []*eventWithQuals{nil, nil}}
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err := mEntitiesActivator.activateUncoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), "uncore parsed event is nil")
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})
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t.Run("perf event is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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name := "event name"
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mEntity := &uncoreEventEntity{parsedEvents: []*eventWithQuals{{name: name, custom: ia.CustomizableEvent{Event: nil}}}}
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err := mEntitiesActivator.activateUncoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("perf event of %q event is nil", name))
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})
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t.Run("placement maker and perf activator is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: nil, perfActivator: nil}
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err := mEntitiesActivator.activateUncoreEvents(&uncoreEventEntity{})
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require.Error(t, err)
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require.Contains(t, err.Error(), "events activator or placement maker is nil")
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})
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t.Run("failed to create placements", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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eventName := "mock event 1"
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parsedEvents := []*eventWithQuals{{name: eventName, custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: eventName}}}}
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mEntity := &uncoreEventEntity{parsedEvents: parsedEvents, parsedSockets: []int{0, 1, 2}}
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mMaker.On("makeUncorePlacements", parsedEvents[0].custom.Event, mEntity.parsedSockets[0]).Return(nil, errMock).Once()
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err := mEntitiesActivator.activateUncoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("ailed to create uncore placements for event %q", eventName))
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mMaker.AssertExpectations(t)
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})
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t.Run("failed to activate event", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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eventName := "mock event 1"
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parsedEvents := []*eventWithQuals{{name: eventName, custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: eventName}}}}
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placements := []ia.PlacementProvider{&ia.Placement{CPU: 0}, &ia.Placement{CPU: 1}}
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mEntity := &uncoreEventEntity{parsedEvents: parsedEvents, parsedSockets: []int{0, 1, 2}}
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mMaker.On("makeUncorePlacements", parsedEvents[0].custom.Event, mEntity.parsedSockets[0]).Return(placements, nil).Once()
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mActivator.On("activateMulti", parsedEvents[0].custom.Event, placements, parsedEvents[0].custom.Options).Return(nil, errMock).Once()
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err := mEntitiesActivator.activateUncoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("failed to activate multi event %q", eventName))
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mMaker.AssertExpectations(t)
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mActivator.AssertExpectations(t)
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})
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t.Run("successfully activate core events", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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parsedEvents := []*eventWithQuals{
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 1", Uncore: true}}},
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 2", Uncore: true}}},
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 3", Uncore: true}}},
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 4", Uncore: true}}},
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}
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mEntity := &uncoreEventEntity{parsedEvents: parsedEvents, parsedSockets: []int{0, 1, 2}}
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placements := []ia.PlacementProvider{&ia.Placement{}, &ia.Placement{}, &ia.Placement{}}
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var expectedEvents []multiEvent
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for _, event := range parsedEvents {
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for _, socket := range mEntity.parsedSockets {
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mMaker.On("makeUncorePlacements", event.custom.Event, socket).Return(placements, nil).Once()
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newActiveMultiEvent := &ia.ActiveMultiEvent{}
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expectedEvents = append(expectedEvents, multiEvent{newActiveMultiEvent.Events(), event.custom.Event, socket})
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mActivator.On("activateMulti", event.custom.Event, placements, event.custom.Options).Return(newActiveMultiEvent, nil).Once()
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}
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}
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err := mEntitiesActivator.activateUncoreEvents(mEntity)
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require.NoError(t, err)
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require.Equal(t, expectedEvents, mEntity.activeMultiEvents)
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mMaker.AssertExpectations(t)
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mActivator.AssertExpectations(t)
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})
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}
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func TestActivateCoreEvents(t *testing.T) {
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mMaker := &mockPlacementMaker{}
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mActivator := &mockEventsActivator{}
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errMock := errors.New("error mock")
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t.Run("entity is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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err := mEntitiesActivator.activateCoreEvents(nil)
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require.Error(t, err)
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require.Contains(t, err.Error(), "core events entity is nil")
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})
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t.Run("placement maker is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: nil, perfActivator: mActivator}
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err := mEntitiesActivator.activateCoreEvents(&coreEventEntity{})
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require.Error(t, err)
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require.Contains(t, err.Error(), "placement maker is nil")
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})
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t.Run("event is nil", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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mEntity := &coreEventEntity{parsedEvents: []*eventWithQuals{nil, nil}}
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err := mEntitiesActivator.activateCoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), "core parsed event is nil")
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})
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t.Run("failed to create placements", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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parsedEvents := []*eventWithQuals{{name: "mock event 1", custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 1"}}}}
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mEntity := &coreEventEntity{PerfGroup: false, parsedEvents: parsedEvents, parsedCores: []int{0, 1, 2}}
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mMaker.On("makeCorePlacements", mEntity.parsedCores, parsedEvents[0].custom.Event).Return(nil, errMock).Once()
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err := mEntitiesActivator.activateCoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("failed to create core placements for event %q", parsedEvents[0].name))
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mMaker.AssertExpectations(t)
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})
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t.Run("failed to activate event", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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parsedEvents := []*eventWithQuals{{name: "mock event 1", custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 1"}}}}
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placements := []ia.PlacementProvider{&ia.Placement{CPU: 0}, &ia.Placement{CPU: 1}}
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mEntity := &coreEventEntity{PerfGroup: false, parsedEvents: parsedEvents, parsedCores: []int{0, 1, 2}}
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event := parsedEvents[0]
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plc := placements[0]
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mMaker.On("makeCorePlacements", mEntity.parsedCores, event.custom.Event).Return(placements, nil).Once()
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mActivator.On("activateEvent", event.custom.Event, plc, event.custom.Options).Return(nil, errMock).Once()
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err := mEntitiesActivator.activateCoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), fmt.Sprintf("failed to activate core event %q", parsedEvents[0].name))
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mMaker.AssertExpectations(t)
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mActivator.AssertExpectations(t)
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})
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t.Run("failed to activate core events group", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: nil}
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mEntity := &coreEventEntity{PerfGroup: true, parsedEvents: nil}
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err := mEntitiesActivator.activateCoreEvents(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), "failed to activate core events group")
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})
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t.Run("successfully activate core events", func(t *testing.T) {
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mEntitiesActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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parsedEvents := []*eventWithQuals{
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 1"}}},
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 2"}}},
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 3"}}},
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{custom: ia.CustomizableEvent{Event: &ia.PerfEvent{Name: "mock event 4"}}},
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}
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placements := []ia.PlacementProvider{&ia.Placement{CPU: 0}, &ia.Placement{CPU: 1}, &ia.Placement{CPU: 2}}
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mEntity := &coreEventEntity{PerfGroup: false, parsedEvents: parsedEvents, parsedCores: []int{0, 1, 2}}
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var activeEvents []*ia.ActiveEvent
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for _, event := range parsedEvents {
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mMaker.On("makeCorePlacements", mEntity.parsedCores, event.custom.Event).Return(placements, nil).Once()
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for _, plc := range placements {
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newActiveEvent := &ia.ActiveEvent{PerfEvent: event.custom.Event}
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activeEvents = append(activeEvents, newActiveEvent)
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mActivator.On("activateEvent", event.custom.Event, plc, event.custom.Options).Return(newActiveEvent, nil).Once()
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}
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}
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err := mEntitiesActivator.activateCoreEvents(mEntity)
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require.NoError(t, err)
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require.Equal(t, activeEvents, mEntity.activeEvents)
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mMaker.AssertExpectations(t)
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mActivator.AssertExpectations(t)
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})
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}
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func TestActivateCoreEventsGroup(t *testing.T) {
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mMaker := &mockPlacementMaker{}
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mActivator := &mockEventsActivator{}
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eActivator := &iaEntitiesActivator{placementMaker: mMaker, perfActivator: mActivator}
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errMock := errors.New("mock error")
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leader := &ia.PerfEvent{Name: "mock event 1"}
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perfEvent2 := &ia.PerfEvent{Name: "mock event 2"}
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parsedEvents := []*eventWithQuals{{custom: ia.CustomizableEvent{Event: leader}}, {custom: ia.CustomizableEvent{Event: perfEvent2}}}
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placements := []ia.PlacementProvider{&ia.Placement{}, &ia.Placement{}}
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// cannot populate this struct due to unexported events field
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activeGroup := &ia.ActiveEventGroup{}
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mEntity := &coreEventEntity{
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EventsTag: "mock group",
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PerfGroup: true,
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parsedEvents: parsedEvents,
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parsedCores: nil,
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}
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events := make([]ia.CustomizableEvent, 0, len(parsedEvents))
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for _, event := range parsedEvents {
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events = append(events, event.custom)
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}
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t.Run("missing perf activator and placement maker", func(t *testing.T) {
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mActivator := &iaEntitiesActivator{}
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err := mActivator.activateCoreEventsGroup(nil)
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require.Error(t, err)
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require.Contains(t, err.Error(), "missing perf activator or placement maker")
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})
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t.Run("missing parsed events", func(t *testing.T) {
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mActivator := &iaEntitiesActivator{placementMaker: &mockPlacementMaker{}, perfActivator: &mockEventsActivator{}}
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err := mActivator.activateCoreEventsGroup(nil)
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require.Error(t, err)
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require.Contains(t, err.Error(), "missing parsed events")
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})
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t.Run("nil in parsed event", func(t *testing.T) {
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mEntity := &coreEventEntity{EventsTag: "Nice tag", PerfGroup: true, parsedEvents: []*eventWithQuals{nil, nil}}
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err := eActivator.activateCoreEventsGroup(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), "core event is nil")
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})
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t.Run("failed to make core placements", func(t *testing.T) {
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mMaker.On("makeCorePlacements", mEntity.parsedCores, leader).Return(nil, errMock).Once()
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err := eActivator.activateCoreEventsGroup(mEntity)
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require.Error(t, err)
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require.Contains(t, err.Error(), "failed to make core placements")
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mMaker.AssertExpectations(t)
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})
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t.Run("failed to activate group", func(t *testing.T) {
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mMaker.On("makeCorePlacements", mEntity.parsedCores, leader).Return(placements, nil).Once()
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||
|
|
mActivator.On("activateGroup", placements[0], events).Return(nil, errMock).Once()
|
||
|
|
|
||
|
|
err := eActivator.activateCoreEventsGroup(mEntity)
|
||
|
|
require.Error(t, err)
|
||
|
|
require.Contains(t, err.Error(), errMock.Error())
|
||
|
|
mMaker.AssertExpectations(t)
|
||
|
|
mActivator.AssertExpectations(t)
|
||
|
|
})
|
||
|
|
|
||
|
|
var allActive []*ia.ActiveEvent
|
||
|
|
t.Run("successfully activated group", func(t *testing.T) {
|
||
|
|
mMaker.On("makeCorePlacements", mEntity.parsedCores, leader).Return(placements, nil).Once()
|
||
|
|
for _, plc := range placements {
|
||
|
|
mActivator.On("activateGroup", plc, events).Return(activeGroup, nil).Once()
|
||
|
|
allActive = append(allActive, activeGroup.Events()...)
|
||
|
|
}
|
||
|
|
|
||
|
|
err := eActivator.activateCoreEventsGroup(mEntity)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.Equal(t, allActive, mEntity.activeEvents)
|
||
|
|
mMaker.AssertExpectations(t)
|
||
|
|
mActivator.AssertExpectations(t)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestMakeCorePlacements(t *testing.T) {
|
||
|
|
tests := []struct {
|
||
|
|
name string
|
||
|
|
cores []int
|
||
|
|
perfEvent ia.PlacementFactory
|
||
|
|
result []ia.PlacementProvider
|
||
|
|
errMsg string
|
||
|
|
}{
|
||
|
|
{"no cores", nil, &ia.PerfEvent{}, nil, "no cores provided"},
|
||
|
|
{"one core placement", []int{1}, &mockPlacementFactory{}, []ia.PlacementProvider{&ia.Placement{CPU: 1, PMUType: 4}}, ""},
|
||
|
|
{"multiple core placement", []int{1, 2, 4}, &mockPlacementFactory{}, []ia.PlacementProvider{
|
||
|
|
&ia.Placement{CPU: 1, PMUType: 4},
|
||
|
|
&ia.Placement{CPU: 2, PMUType: 4},
|
||
|
|
&ia.Placement{CPU: 4, PMUType: 4}},
|
||
|
|
""},
|
||
|
|
{"placement factory error", []int{1}, &mockPlacementFactory{true}, nil, "mock error"},
|
||
|
|
{"placement factory error 2", []int{1, 2, 3}, &mockPlacementFactory{true}, nil, "mock error"},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, test := range tests {
|
||
|
|
t.Run(test.name, func(t *testing.T) {
|
||
|
|
maker := &iaPlacementMaker{}
|
||
|
|
providers, err := maker.makeCorePlacements(test.cores, test.perfEvent)
|
||
|
|
if len(test.errMsg) > 0 {
|
||
|
|
require.Error(t, err)
|
||
|
|
require.Nil(t, providers)
|
||
|
|
require.Contains(t, err.Error(), test.errMsg)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.Equal(t, test.result, providers)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestActivateEventForPlacement(t *testing.T) {
|
||
|
|
placement1 := &ia.Placement{CPU: 0}
|
||
|
|
placement2 := &ia.Placement{CPU: 1}
|
||
|
|
placement3 := &ia.Placement{CPU: 2}
|
||
|
|
|
||
|
|
mPlacements := []ia.PlacementProvider{placement1, placement2, placement3}
|
||
|
|
|
||
|
|
mPerfEvent := &ia.PerfEvent{Name: "mock1"}
|
||
|
|
mOptions := &ia.PerfEventOptions{}
|
||
|
|
mEvent := &eventWithQuals{name: mPerfEvent.Name, custom: ia.CustomizableEvent{Event: mPerfEvent, Options: mOptions}}
|
||
|
|
|
||
|
|
mPerfActivator := &mockEventsActivator{}
|
||
|
|
mActivator := &iaEntitiesActivator{perfActivator: mPerfActivator}
|
||
|
|
|
||
|
|
t.Run("event is nil", func(t *testing.T) {
|
||
|
|
activeEvents, err := mActivator.activateEventForPlacements(nil, mPlacements)
|
||
|
|
require.Error(t, err)
|
||
|
|
require.Contains(t, err.Error(), "core event is nil")
|
||
|
|
require.Empty(t, activeEvents)
|
||
|
|
})
|
||
|
|
|
||
|
|
t.Run("perf activator is nil", func(t *testing.T) {
|
||
|
|
mActivator := &iaEntitiesActivator{}
|
||
|
|
activeEvents, err := mActivator.activateEventForPlacements(mEvent, mPlacements)
|
||
|
|
require.Error(t, err)
|
||
|
|
require.Contains(t, err.Error(), "missing perf activator")
|
||
|
|
require.Empty(t, activeEvents)
|
||
|
|
})
|
||
|
|
|
||
|
|
t.Run("placements are nil", func(t *testing.T) {
|
||
|
|
activeEvents, err := mActivator.activateEventForPlacements(mEvent, nil)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.Empty(t, activeEvents)
|
||
|
|
})
|
||
|
|
|
||
|
|
t.Run("activation error", func(t *testing.T) {
|
||
|
|
mPerfActivator.On("activateEvent", mPerfEvent, placement1, mOptions).Once().Return(nil, errors.New("err"))
|
||
|
|
activeEvents, err := mActivator.activateEventForPlacements(mEvent, mPlacements)
|
||
|
|
require.Error(t, err)
|
||
|
|
require.Contains(t, err.Error(), fmt.Sprintf("failed to activate event %q", mEvent.name))
|
||
|
|
require.Nil(t, activeEvents)
|
||
|
|
mPerfActivator.AssertExpectations(t)
|
||
|
|
})
|
||
|
|
|
||
|
|
t.Run("successfully activated", func(t *testing.T) {
|
||
|
|
mActiveEvent := &ia.ActiveEvent{}
|
||
|
|
mActiveEvent2 := &ia.ActiveEvent{}
|
||
|
|
mActiveEvent3 := &ia.ActiveEvent{}
|
||
|
|
|
||
|
|
mPerfActivator.On("activateEvent", mPerfEvent, placement1, mOptions).Once().Return(mActiveEvent, nil).
|
||
|
|
On("activateEvent", mPerfEvent, placement2, mOptions).Once().Return(mActiveEvent2, nil).
|
||
|
|
On("activateEvent", mPerfEvent, placement3, mOptions).Once().Return(mActiveEvent3, nil)
|
||
|
|
|
||
|
|
activeEvents, err := mActivator.activateEventForPlacements(mEvent, mPlacements)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.Len(t, activeEvents, len(mPlacements))
|
||
|
|
require.Contains(t, activeEvents, mActiveEvent)
|
||
|
|
require.Contains(t, activeEvents, mActiveEvent2)
|
||
|
|
mPerfActivator.AssertExpectations(t)
|
||
|
|
})
|
||
|
|
}
|