Remove metric recreation when filtering (#4767)

internal/config/config.go

@@ -884,14 +884,6 @@ func (c *Config) addInput(name string, table *ast.Table) error {
 // builds the filter and returns a
 // models.AggregatorConfig to be inserted into models.RunningAggregator
 func buildAggregator(name string, tbl *ast.Table) (*models.AggregatorConfig, error) {
-	unsupportedFields := []string{"tagexclude", "taginclude"}
-	for _, field := range unsupportedFields {
-		if _, ok := tbl.Fields[field]; ok {
-			return nil, fmt.Errorf("%s is not supported for aggregator plugins (%s).",
-				field, name)
-		}
-	}
-
 	conf := &models.AggregatorConfig{
 		Name:   name,
 		Delay:  time.Millisecond * 100,
@@ -989,13 +981,6 @@ func buildAggregator(name string, tbl *ast.Table) (*models.AggregatorConfig, err
 // models.ProcessorConfig to be inserted into models.RunningProcessor
 func buildProcessor(name string, tbl *ast.Table) (*models.ProcessorConfig, error) {
 	conf := &models.ProcessorConfig{Name: name}
-	unsupportedFields := []string{"tagexclude", "taginclude", "fielddrop", "fieldpass"}
-	for _, field := range unsupportedFields {
-		if _, ok := tbl.Fields[field]; ok {
-			return nil, fmt.Errorf("%s is not supported for processor plugins (%s).",
-				field, name)
-		}
-	}
 
 	if node, ok := tbl.Fields["order"]; ok {
 		if kv, ok := node.(*ast.KeyValue); ok {

internal/models/filter.go

@@ -3,6 +3,7 @@ package models
 import (
 	"fmt"
 
+	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/filter"
 )
 
@@ -93,45 +94,35 @@ func (f *Filter) Compile() error {
 	return nil
 }
 
-// Apply applies the filter to the given measurement name, fields map, and
-// tags map. It will return false if the metric should be "filtered out", and
-// true if the metric should "pass".
-// It will modify tags & fields in-place if they need to be deleted.
-func (f *Filter) Apply(
-	measurement string,
-	fields map[string]interface{},
-	tags map[string]string,
-) bool {
+// Select returns true if the metric matches according to the
+// namepass/namedrop and tagpass/tagdrop filters.  The metric is not modified.
+func (f *Filter) Select(metric telegraf.Metric) bool {
 	if !f.isActive {
 		return true
 	}
 
-	// check if the measurement name should pass
-	if !f.shouldNamePass(measurement) {
+	if !f.shouldNamePass(metric.Name()) {
 		return false
 	}
 
-	// check if the tags should pass
-	if !f.shouldTagsPass(tags) {
+	if !f.shouldTagsPass(metric.TagList()) {
 		return false
 	}
 
-	// filter fields
-	for fieldkey, _ := range fields {
-		if !f.shouldFieldPass(fieldkey) {
-			delete(fields, fieldkey)
-		}
-	}
-	if len(fields) == 0 {
-		return false
-	}
-
-	// filter tags
-	f.filterTags(tags)
-
 	return true
 }
 
+// Modify removes any tags and fields from the metric according to the
+// fieldpass/fielddrop and taginclude/tagexclude filters.
+func (f *Filter) Modify(metric telegraf.Metric) {
+	if !f.isActive {
+		return
+	}
+
+	f.filterFields(metric)
+	f.filterTags(metric)
+}
+
 // IsActive checking if filter is active
 func (f *Filter) IsActive() bool {
 	return f.isActive
@@ -140,7 +131,6 @@ func (f *Filter) IsActive() bool {
 // shouldNamePass returns true if the metric should pass, false if should drop
 // based on the drop/pass filter parameters
 func (f *Filter) shouldNamePass(key string) bool {
-
 	pass := func(f *Filter) bool {
 		if f.namePass.Match(key) {
 			return true
@@ -169,44 +159,29 @@ func (f *Filter) shouldNamePass(key string) bool {
 // shouldFieldPass returns true if the metric should pass, false if should drop
 // based on the drop/pass filter parameters
 func (f *Filter) shouldFieldPass(key string) bool {
-
-	pass := func(f *Filter) bool {
-		if f.fieldPass.Match(key) {
-			return true
-		}
-		return false
-	}
-
-	drop := func(f *Filter) bool {
-		if f.fieldDrop.Match(key) {
-			return false
-		}
-		return true
-	}
-
 	if f.fieldPass != nil && f.fieldDrop != nil {
-		return pass(f) && drop(f)
+		return f.fieldPass.Match(key) && !f.fieldDrop.Match(key)
 	} else if f.fieldPass != nil {
-		return pass(f)
+		return f.fieldPass.Match(key)
 	} else if f.fieldDrop != nil {
-		return drop(f)
+		return !f.fieldDrop.Match(key)
 	}
-
 	return true
 }
 
 // shouldTagsPass returns true if the metric should pass, false if should drop
 // based on the tagdrop/tagpass filter parameters
-func (f *Filter) shouldTagsPass(tags map[string]string) bool {
-
+func (f *Filter) shouldTagsPass(tags []*telegraf.Tag) bool {
 	pass := func(f *Filter) bool {
 		for _, pat := range f.TagPass {
 			if pat.filter == nil {
 				continue
 			}
-			if tagval, ok := tags[pat.Name]; ok {
-				if pat.filter.Match(tagval) {
-					return true
+			for _, tag := range tags {
+				if tag.Key == pat.Name {
+					if pat.filter.Match(tag.Value) {
+						return true
+					}
 				}
 			}
 		}
@@ -218,9 +193,11 @@ func (f *Filter) shouldTagsPass(tags map[string]string) bool {
 			if pat.filter == nil {
 				continue
 			}
-			if tagval, ok := tags[pat.Name]; ok {
-				if pat.filter.Match(tagval) {
-					return false
+			for _, tag := range tags {
+				if tag.Key == pat.Name {
+					if pat.filter.Match(tag.Value) {
+						return false
+					}
 				}
 			}
 		}
@@ -242,22 +219,42 @@ func (f *Filter) shouldTagsPass(tags map[string]string) bool {
 	return true
 }
 
-// Apply TagInclude and TagExclude filters.
-// modifies the tags map in-place.
-func (f *Filter) filterTags(tags map[string]string) {
-	if f.tagInclude != nil {
-		for k, _ := range tags {
-			if !f.tagInclude.Match(k) {
-				delete(tags, k)
-			}
+// filterFields removes fields according to fieldpass/fielddrop.
+func (f *Filter) filterFields(metric telegraf.Metric) {
+	filterKeys := []string{}
+	for _, field := range metric.FieldList() {
+		if !f.shouldFieldPass(field.Key) {
+			filterKeys = append(filterKeys, field.Key)
 		}
 	}
 
-	if f.tagExclude != nil {
-		for k, _ := range tags {
-			if f.tagExclude.Match(k) {
-				delete(tags, k)
+	for _, key := range filterKeys {
+		metric.RemoveField(key)
+	}
+}
+
+// filterTags removes tags according to taginclude/tagexclude.
+func (f *Filter) filterTags(metric telegraf.Metric) {
+	filterKeys := []string{}
+	if f.tagInclude != nil {
+		for _, tag := range metric.TagList() {
+			if !f.tagInclude.Match(tag.Key) {
+				filterKeys = append(filterKeys, tag.Key)
 			}
 		}
 	}
+	for _, key := range filterKeys {
+		metric.RemoveTag(key)
+	}
+
+	if f.tagExclude != nil {
+		for _, tag := range metric.TagList() {
+			if f.tagExclude.Match(tag.Key) {
+				filterKeys = append(filterKeys, tag.Key)
+			}
+		}
+	}
+	for _, key := range filterKeys {
+		metric.RemoveTag(key)
+	}
 }

internal/models/filter_test.go

@@ -2,17 +2,24 @@ package models
 
 import (
 	"testing"
+	"time"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/metric"
 	"github.com/stretchr/testify/require"
 )
 
 func TestFilter_ApplyEmpty(t *testing.T) {
 	f := Filter{}
 	require.NoError(t, f.Compile())
-	assert.False(t, f.IsActive())
+	require.False(t, f.IsActive())
 
-	assert.True(t, f.Apply("m", map[string]interface{}{"value": int64(1)}, map[string]string{}))
+	m, err := metric.New("m",
+		map[string]string{},
+		map[string]interface{}{"value": int64(1)},
+		time.Now())
+	require.NoError(t, err)
+	require.True(t, f.Select(m))
 }
 
 func TestFilter_ApplyTagsDontPass(t *testing.T) {
@@ -27,11 +34,14 @@ func TestFilter_ApplyTagsDontPass(t *testing.T) {
 	}
 	require.NoError(t, f.Compile())
 	require.NoError(t, f.Compile())
-	assert.True(t, f.IsActive())
+	require.True(t, f.IsActive())
 
-	assert.False(t, f.Apply("m",
+	m, err := metric.New("m",
+		map[string]string{"cpu": "cpu-total"},
 		map[string]interface{}{"value": int64(1)},
-		map[string]string{"cpu": "cpu-total"}))
+		time.Now())
+	require.NoError(t, err)
+	require.False(t, f.Select(m))
 }
 
 func TestFilter_ApplyDeleteFields(t *testing.T) {
@@ -40,11 +50,19 @@ func TestFilter_ApplyDeleteFields(t *testing.T) {
 	}
 	require.NoError(t, f.Compile())
 	require.NoError(t, f.Compile())
-	assert.True(t, f.IsActive())
+	require.True(t, f.IsActive())
 
-	fields := map[string]interface{}{"value": int64(1), "value2": int64(2)}
-	assert.True(t, f.Apply("m", fields, nil))
-	assert.Equal(t, map[string]interface{}{"value2": int64(2)}, fields)
+	m, err := metric.New("m",
+		map[string]string{},
+		map[string]interface{}{
+			"value":  int64(1),
+			"value2": int64(2),
+		},
+		time.Now())
+	require.NoError(t, err)
+	require.True(t, f.Select(m))
+	f.Modify(m)
+	require.Equal(t, map[string]interface{}{"value2": int64(2)}, m.Fields())
 }
 
 func TestFilter_ApplyDeleteAllFields(t *testing.T) {
@@ -53,10 +71,19 @@ func TestFilter_ApplyDeleteAllFields(t *testing.T) {
 	}
 	require.NoError(t, f.Compile())
 	require.NoError(t, f.Compile())
-	assert.True(t, f.IsActive())
+	require.True(t, f.IsActive())
 
-	fields := map[string]interface{}{"value": int64(1), "value2": int64(2)}
-	assert.False(t, f.Apply("m", fields, nil))
+	m, err := metric.New("m",
+		map[string]string{},
+		map[string]interface{}{
+			"value":  int64(1),
+			"value2": int64(2),
+		},
+		time.Now())
+	require.NoError(t, err)
+	require.True(t, f.Select(m))
+	f.Modify(m)
+	require.Len(t, m.FieldList(), 0)
 }
 
 func TestFilter_Empty(t *testing.T) {
@@ -230,20 +257,20 @@ func TestFilter_TagPass(t *testing.T) {
 	}
 	require.NoError(t, f.Compile())
 
-	passes := []map[string]string{
-		{"cpu": "cpu-total"},
-		{"cpu": "cpu-0"},
-		{"cpu": "cpu-1"},
-		{"cpu": "cpu-2"},
-		{"mem": "mem_free"},
+	passes := [][]*telegraf.Tag{
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-total"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-0"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-1"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-2"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "mem", Value: "mem_free"}},
 	}
 
-	drops := []map[string]string{
-		{"cpu": "cputotal"},
-		{"cpu": "cpu0"},
-		{"cpu": "cpu1"},
-		{"cpu": "cpu2"},
-		{"mem": "mem_used"},
+	drops := [][]*telegraf.Tag{
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cputotal"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu0"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu1"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu2"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "mem", Value: "mem_used"}},
 	}
 
 	for _, tags := range passes {
@@ -274,20 +301,20 @@ func TestFilter_TagDrop(t *testing.T) {
 	}
 	require.NoError(t, f.Compile())
 
-	drops := []map[string]string{
-		{"cpu": "cpu-total"},
-		{"cpu": "cpu-0"},
-		{"cpu": "cpu-1"},
-		{"cpu": "cpu-2"},
-		{"mem": "mem_free"},
+	drops := [][]*telegraf.Tag{
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-total"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-0"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-1"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu-2"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "mem", Value: "mem_free"}},
 	}
 
-	passes := []map[string]string{
-		{"cpu": "cputotal"},
-		{"cpu": "cpu0"},
-		{"cpu": "cpu1"},
-		{"cpu": "cpu2"},
-		{"mem": "mem_used"},
+	passes := [][]*telegraf.Tag{
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cputotal"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu0"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu1"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "cpu", Value: "cpu2"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "mem", Value: "mem_used"}},
 	}
 
 	for _, tags := range passes {
@@ -304,58 +331,70 @@ func TestFilter_TagDrop(t *testing.T) {
 }
 
 func TestFilter_FilterTagsNoMatches(t *testing.T) {
-	pretags := map[string]string{
-		"host":  "localhost",
-		"mytag": "foobar",
-	}
+	m, err := metric.New("m",
+		map[string]string{
+			"host":  "localhost",
+			"mytag": "foobar",
+		},
+		map[string]interface{}{"value": int64(1)},
+		time.Now())
+	require.NoError(t, err)
 	f := Filter{
 		TagExclude: []string{"nomatch"},
 	}
 	require.NoError(t, f.Compile())
 
-	f.filterTags(pretags)
-	assert.Equal(t, map[string]string{
+	f.filterTags(m)
+	require.Equal(t, map[string]string{
 		"host":  "localhost",
 		"mytag": "foobar",
-	}, pretags)
+	}, m.Tags())
 
 	f = Filter{
 		TagInclude: []string{"nomatch"},
 	}
 	require.NoError(t, f.Compile())
 
-	f.filterTags(pretags)
-	assert.Equal(t, map[string]string{}, pretags)
+	f.filterTags(m)
+	require.Equal(t, map[string]string{}, m.Tags())
 }
 
 func TestFilter_FilterTagsMatches(t *testing.T) {
-	pretags := map[string]string{
-		"host":  "localhost",
-		"mytag": "foobar",
-	}
+	m, err := metric.New("m",
+		map[string]string{
+			"host":  "localhost",
+			"mytag": "foobar",
+		},
+		map[string]interface{}{"value": int64(1)},
+		time.Now())
+	require.NoError(t, err)
 	f := Filter{
 		TagExclude: []string{"ho*"},
 	}
 	require.NoError(t, f.Compile())
 
-	f.filterTags(pretags)
-	assert.Equal(t, map[string]string{
+	f.filterTags(m)
+	require.Equal(t, map[string]string{
 		"mytag": "foobar",
-	}, pretags)
+	}, m.Tags())
 
-	pretags = map[string]string{
-		"host":  "localhost",
-		"mytag": "foobar",
-	}
+	m, err = metric.New("m",
+		map[string]string{
+			"host":  "localhost",
+			"mytag": "foobar",
+		},
+		map[string]interface{}{"value": int64(1)},
+		time.Now())
+	require.NoError(t, err)
 	f = Filter{
 		TagInclude: []string{"my*"},
 	}
 	require.NoError(t, f.Compile())
 
-	f.filterTags(pretags)
-	assert.Equal(t, map[string]string{
+	f.filterTags(m)
+	require.Equal(t, map[string]string{
 		"mytag": "foobar",
-	}, pretags)
+	}, m.Tags())
 }
 
 // TestFilter_FilterNamePassAndDrop used for check case when
@@ -374,7 +413,7 @@ func TestFilter_FilterNamePassAndDrop(t *testing.T) {
 	require.NoError(t, f.Compile())
 
 	for i, name := range inputData {
-		assert.Equal(t, f.shouldNamePass(name), expectedResult[i])
+		require.Equal(t, f.shouldNamePass(name), expectedResult[i])
 	}
 }
 
@@ -394,7 +433,7 @@ func TestFilter_FilterFieldPassAndDrop(t *testing.T) {
 	require.NoError(t, f.Compile())
 
 	for i, field := range inputData {
-		assert.Equal(t, f.shouldFieldPass(field), expectedResult[i])
+		require.Equal(t, f.shouldFieldPass(field), expectedResult[i])
 	}
 }
 
@@ -402,12 +441,11 @@ func TestFilter_FilterFieldPassAndDrop(t *testing.T) {
 // both parameters were defined
 // see: https://github.com/influxdata/telegraf/issues/2860
 func TestFilter_FilterTagsPassAndDrop(t *testing.T) {
-
-	inputData := []map[string]string{
-		{"tag1": "1", "tag2": "3"},
-		{"tag1": "1", "tag2": "2"},
-		{"tag1": "2", "tag2": "1"},
-		{"tag1": "4", "tag2": "1"},
+	inputData := [][]*telegraf.Tag{
+		[]*telegraf.Tag{&telegraf.Tag{Key: "tag1", Value: "1"}, &telegraf.Tag{Key: "tag2", Value: "3"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "tag1", Value: "1"}, &telegraf.Tag{Key: "tag2", Value: "2"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "tag1", Value: "2"}, &telegraf.Tag{Key: "tag2", Value: "1"}},
+		[]*telegraf.Tag{&telegraf.Tag{Key: "tag1", Value: "4"}, &telegraf.Tag{Key: "tag2", Value: "1"}},
 	}
 
 	expectedResult := []bool{false, true, false, false}
@@ -438,7 +476,7 @@ func TestFilter_FilterTagsPassAndDrop(t *testing.T) {
 	require.NoError(t, f.Compile())
 
 	for i, tag := range inputData {
-		assert.Equal(t, f.shouldTagsPass(tag), expectedResult[i])
+		require.Equal(t, f.shouldTagsPass(tag), expectedResult[i])
 	}
 
 }

internal/models/makemetric.go

@@ -1,86 +1,42 @@
 package models
 
 import (
-	"log"
-	"time"
-
 	"github.com/influxdata/telegraf"
-	"github.com/influxdata/telegraf/metric"
 )
 
-// makemetric is used by both RunningAggregator & RunningInput
-// to make metrics.
-//   nameOverride: override the name of the measurement being made.
-//   namePrefix:   add this prefix to each measurement name.
-//   nameSuffix:   add this suffix to each measurement name.
-//   pluginTags:   these are tags that are specific to this plugin.
-//   daemonTags:   these are daemon-wide global tags, and get applied after pluginTags.
-//   filter:       this is a filter to apply to each metric being made.
-//   applyFilter:  if false, the above filter is not applied to each metric.
-//                 This is used by Aggregators, because aggregators use filters
-//                 on incoming metrics instead of on created metrics.
-// TODO refactor this to not have such a huge func signature.
+// Makemetric applies new metric plugin and agent measurement and tag
+// settings.
 func makemetric(
-	measurement string,
-	fields map[string]interface{},
-	tags map[string]string,
+	metric telegraf.Metric,
 	nameOverride string,
 	namePrefix string,
 	nameSuffix string,
-	pluginTags map[string]string,
-	daemonTags map[string]string,
-	filter Filter,
-	applyFilter bool,
-	mType telegraf.ValueType,
-	t time.Time,
+	tags map[string]string,
+	globalTags map[string]string,
 ) telegraf.Metric {
-	if len(fields) == 0 || len(measurement) == 0 {
-		return nil
-	}
-	if tags == nil {
-		tags = make(map[string]string)
+	if len(nameOverride) != 0 {
+		metric.SetName(nameOverride)
 	}
 
-	// Override measurement name if set
-	if len(nameOverride) != 0 {
-		measurement = nameOverride
-	}
-	// Apply measurement prefix and suffix if set
 	if len(namePrefix) != 0 {
-		measurement = namePrefix + measurement
+		metric.AddPrefix(namePrefix)
 	}
 	if len(nameSuffix) != 0 {
-		measurement = measurement + nameSuffix
+		metric.AddSuffix(nameSuffix)
 	}
 
-	// Apply plugin-wide tags if set
-	for k, v := range pluginTags {
-		if _, ok := tags[k]; !ok {
-			tags[k] = v
+	// Apply plugin-wide tags
+	for k, v := range tags {
+		if _, ok := metric.GetTag(k); !ok {
+			metric.AddTag(k, v)
 		}
 	}
-	// Apply daemon-wide tags if set
-	for k, v := range daemonTags {
-		if _, ok := tags[k]; !ok {
-			tags[k] = v
+	// Apply global tags
+	for k, v := range globalTags {
+		if _, ok := metric.GetTag(k); !ok {
+			metric.AddTag(k, v)
 		}
 	}
 
-	// Apply the metric filter(s)
-	// for aggregators, the filter does not get applied when the metric is made.
-	// instead, the filter is applied to metric incoming into the plugin.
-	//   ie, it gets applied in the RunningAggregator.Apply function.
-	if applyFilter {
-		if ok := filter.Apply(measurement, fields, tags); !ok {
-			return nil
-		}
-	}
-
-	m, err := metric.New(measurement, tags, fields, t, mType)
-	if err != nil {
-		log.Printf("Error adding point [%s]: %s\n", measurement, err.Error())
-		return nil
-	}
-
-	return m
+	return metric
 }

internal/models/running_aggregator.go

@@ -5,7 +5,6 @@ import (
 	"time"
 
 	"github.com/influxdata/telegraf"
-	"github.com/influxdata/telegraf/metric"
 )
 
 type RunningAggregator struct {
@@ -29,47 +28,32 @@ func NewRunningAggregator(
 	}
 }
 
-// AggregatorConfig containing configuration parameters for the running
-// aggregator plugin.
+// AggregatorConfig is the common config for all aggregators.
 type AggregatorConfig struct {
-	Name string
+	Name         string
+	DropOriginal bool
+	Period       time.Duration
+	Delay        time.Duration
 
-	DropOriginal      bool
 	NameOverride      string
 	MeasurementPrefix string
 	MeasurementSuffix string
 	Tags              map[string]string
 	Filter            Filter
-
-	Period time.Duration
-	Delay  time.Duration
 }
 
 func (r *RunningAggregator) Name() string {
 	return "aggregators." + r.Config.Name
 }
 
-func (r *RunningAggregator) MakeMetric(
-	measurement string,
-	fields map[string]interface{},
-	tags map[string]string,
-	mType telegraf.ValueType,
-	t time.Time,
-) telegraf.Metric {
+func (r *RunningAggregator) MakeMetric(metric telegraf.Metric) telegraf.Metric {
 	m := makemetric(
-		measurement,
-		fields,
-		tags,
+		metric,
 		r.Config.NameOverride,
 		r.Config.MeasurementPrefix,
 		r.Config.MeasurementSuffix,
 		r.Config.Tags,
-		nil,
-		r.Config.Filter,
-		false,
-		mType,
-		t,
-	)
+		nil)
 
 	if m != nil {
 		m.SetAggregate(true)
@@ -78,27 +62,23 @@ func (r *RunningAggregator) MakeMetric(
 	return m
 }
 
-// Add applies the given metric to the aggregator.
-// Before applying to the plugin, it will run any defined filters on the metric.
-// Apply returns true if the original metric should be dropped.
-func (r *RunningAggregator) Add(in telegraf.Metric) bool {
-	if r.Config.Filter.IsActive() {
-		// check if the aggregator should apply this metric
-		name := in.Name()
-		fields := in.Fields()
-		tags := in.Tags()
-		t := in.Time()
-		if ok := r.Config.Filter.Apply(name, fields, tags); !ok {
-			// aggregator should not apply this metric
-			return false
-		}
-
-		in, _ = metric.New(name, tags, fields, t)
+// Add a metric to the aggregator and return true if the original metric
+// should be dropped.
+func (r *RunningAggregator) Add(metric telegraf.Metric) bool {
+	if ok := r.Config.Filter.Select(metric); !ok {
+		return false
 	}
 
-	r.metrics <- in
+	r.Config.Filter.Modify(metric)
+	if len(metric.FieldList()) == 0 {
+		return r.Config.DropOriginal
+	}
+
+	r.metrics <- metric
+
 	return r.Config.DropOriginal
 }
+
 func (r *RunningAggregator) add(in telegraf.Metric) {
 	r.a.Add(in)
 }

internal/models/running_aggregator_test.go

@@ -7,9 +7,11 @@ import (
 	"time"
 
 	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/metric"
 	"github.com/influxdata/telegraf/testutil"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestAdd(t *testing.T) {
@@ -25,13 +27,15 @@ func TestAdd(t *testing.T) {
 	acc := testutil.Accumulator{}
 	go ra.Run(&acc, make(chan struct{}))
 
-	m := ra.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now().Add(time.Millisecond*150),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+
 	assert.False(t, ra.Add(m))
 
 	for {
@@ -56,34 +60,37 @@ func TestAddMetricsOutsideCurrentPeriod(t *testing.T) {
 	acc := testutil.Accumulator{}
 	go ra.Run(&acc, make(chan struct{}))
 
-	// metric before current period
-	m := ra.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now().Add(-time.Hour),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+
 	assert.False(t, ra.Add(m))
 
 	// metric after current period
-	m = ra.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err = metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now().Add(time.Hour),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
 	assert.False(t, ra.Add(m))
 
 	// "now" metric
-	m = ra.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err = metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now().Add(time.Millisecond*50),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
 	assert.False(t, ra.Add(m))
 
 	for {
@@ -115,13 +122,14 @@ func TestAddAndPushOnePeriod(t *testing.T) {
 		ra.Run(&acc, shutdown)
 	}()
 
-	m := ra.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now().Add(time.Millisecond*100),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
 	assert.False(t, ra.Add(m))
 
 	for {
@@ -146,23 +154,25 @@ func TestAddDropOriginal(t *testing.T) {
 	})
 	assert.NoError(t, ra.Config.Filter.Compile())
 
-	m := ra.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now(),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
 	assert.True(t, ra.Add(m))
 
 	// this metric name doesn't match the filter, so Add will return false
-	m2 := ra.MakeMetric(
-		"foobar",
-		map[string]interface{}{"value": int(101)},
+	m2, err := metric.New("foobar",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		time.Now(),
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
 	assert.False(t, ra.Add(m2))
 }
 

internal/models/running_input.go

@@ -36,44 +36,39 @@ func NewRunningInput(
 	}
 }
 
-// InputConfig containing a name, interval, and filter
+// InputConfig is the common config for all inputs.
 type InputConfig struct {
-	Name              string
+	Name     string
+	Interval time.Duration
+
 	NameOverride      string
 	MeasurementPrefix string
 	MeasurementSuffix string
 	Tags              map[string]string
 	Filter            Filter
-	Interval          time.Duration
 }
 
 func (r *RunningInput) Name() string {
 	return "inputs." + r.Config.Name
 }
 
-// MakeMetric either returns a metric, or returns nil if the metric doesn't
-// need to be created (because of filtering, an error, etc.)
-func (r *RunningInput) MakeMetric(
-	measurement string,
-	fields map[string]interface{},
-	tags map[string]string,
-	mType telegraf.ValueType,
-	t time.Time,
-) telegraf.Metric {
+func (r *RunningInput) MakeMetric(metric telegraf.Metric) telegraf.Metric {
+	if ok := r.Config.Filter.Select(metric); !ok {
+		return nil
+	}
+
+	r.Config.Filter.Modify(metric)
+	if len(metric.FieldList()) == 0 {
+		return nil
+	}
+
 	m := makemetric(
-		measurement,
-		fields,
-		tags,
+		metric,
 		r.Config.NameOverride,
 		r.Config.MeasurementPrefix,
 		r.Config.MeasurementSuffix,
 		r.Config.Tags,
-		r.defaultTags,
-		r.Config.Filter,
-		true,
-		mType,
-		t,
-	)
+		r.defaultTags)
 
 	if r.trace && m != nil {
 		s := influx.NewSerializer()

internal/models/running_input_test.go

@@ -17,13 +17,13 @@ func TestMakeMetricNoFields(t *testing.T) {
 		Name: "TestRunningInput",
 	})
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{},
 		now,
-	)
+		telegraf.Untyped)
+	m = ri.MakeMetric(m)
+	require.NoError(t, err)
 	assert.Nil(t, m)
 }
 
@@ -34,16 +34,16 @@ func TestMakeMetricNilFields(t *testing.T) {
 		Name: "TestRunningInput",
 	})
 
-	m := ri.MakeMetric(
-		"RITest",
+	m, err := metric.New("RITest",
+		map[string]string{},
 		map[string]interface{}{
-			"value": int(101),
+			"value": int64(101),
 			"nil":   nil,
 		},
-		map[string]string{},
-		telegraf.Untyped,
 		now,
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+	m = ri.MakeMetric(m)
 
 	expected, err := metric.New("RITest",
 		map[string]string{},
@@ -69,13 +69,15 @@ func TestMakeMetricWithPluginTags(t *testing.T) {
 	ri.SetTrace(true)
 	assert.Equal(t, true, ri.Trace())
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
-		nil,
-		telegraf.Untyped,
+	m, err := metric.New("RITest",
+		map[string]string{},
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		now,
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+	m = ri.MakeMetric(m)
 
 	expected, err := metric.New("RITest",
 		map[string]string{
@@ -104,13 +106,15 @@ func TestMakeMetricFilteredOut(t *testing.T) {
 	assert.Equal(t, true, ri.Trace())
 	assert.NoError(t, ri.Config.Filter.Compile())
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
-		nil,
-		telegraf.Untyped,
+	m, err := metric.New("RITest",
+		map[string]string{},
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		now,
-	)
+		telegraf.Untyped)
+	m = ri.MakeMetric(m)
+	require.NoError(t, err)
 	assert.Nil(t, m)
 }
 
@@ -126,13 +130,15 @@ func TestMakeMetricWithDaemonTags(t *testing.T) {
 	ri.SetTrace(true)
 	assert.Equal(t, true, ri.Trace())
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		now,
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+	m = ri.MakeMetric(m)
 	expected, err := metric.New("RITest",
 		map[string]string{
 			"foo": "bar",
@@ -153,13 +159,15 @@ func TestMakeMetricNameOverride(t *testing.T) {
 		NameOverride: "foobar",
 	})
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		now,
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+	m = ri.MakeMetric(m)
 	expected, err := metric.New("foobar",
 		nil,
 		map[string]interface{}{
@@ -178,13 +186,15 @@ func TestMakeMetricNamePrefix(t *testing.T) {
 		MeasurementPrefix: "foobar_",
 	})
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		now,
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+	m = ri.MakeMetric(m)
 	expected, err := metric.New("foobar_RITest",
 		nil,
 		map[string]interface{}{
@@ -203,13 +213,15 @@ func TestMakeMetricNameSuffix(t *testing.T) {
 		MeasurementSuffix: "_foobar",
 	})
 
-	m := ri.MakeMetric(
-		"RITest",
-		map[string]interface{}{"value": int(101)},
+	m, err := metric.New("RITest",
 		map[string]string{},
-		telegraf.Untyped,
+		map[string]interface{}{
+			"value": int64(101),
+		},
 		now,
-	)
+		telegraf.Untyped)
+	require.NoError(t, err)
+	m = ri.MakeMetric(m)
 	expected, err := metric.New("RITest_foobar",
 		nil,
 		map[string]interface{}{

internal/models/running_output.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/internal/buffer"
-	"github.com/influxdata/telegraf/metric"
 	"github.com/influxdata/telegraf/selfstat"
 )
 
@@ -42,6 +41,12 @@ type RunningOutput struct {
 	writeMutex sync.Mutex
 }
 
+// OutputConfig containing name and filter
+type OutputConfig struct {
+	Name   string
+	Filter Filter
+}
+
 func NewRunningOutput(
 	name string,
 	output telegraf.Output,
@@ -95,36 +100,25 @@ func NewRunningOutput(
 
 // AddMetric adds a metric to the output. This function can also write cached
 // points if FlushBufferWhenFull is true.
-func (ro *RunningOutput) AddMetric(m telegraf.Metric) {
-
-	if m == nil {
+func (ro *RunningOutput) AddMetric(metric telegraf.Metric) {
+	if ok := ro.Config.Filter.Select(metric); !ok {
+		ro.MetricsFiltered.Incr(1)
 		return
 	}
-	// Filter any tagexclude/taginclude parameters before adding metric
-	if ro.Config.Filter.IsActive() {
-		// In order to filter out tags, we need to create a new metric, since
-		// metrics are immutable once created.
-		name := m.Name()
-		tags := m.Tags()
-		fields := m.Fields()
-		t := m.Time()
-		tp := m.Type()
-		if ok := ro.Config.Filter.Apply(name, fields, tags); !ok {
-			ro.MetricsFiltered.Incr(1)
-			return
-		}
-		// error is not possible if creating from another metric, so ignore.
-		m, _ = metric.New(name, tags, fields, t, tp)
+
+	ro.Config.Filter.Modify(metric)
+	if len(metric.FieldList()) == 0 {
+		return
 	}
 
 	if output, ok := ro.Output.(telegraf.AggregatingOutput); ok {
 		ro.aggMutex.Lock()
-		output.Add(m)
+		output.Add(metric)
 		ro.aggMutex.Unlock()
 		return
 	}
 
-	ro.metrics.Add(m)
+	ro.metrics.Add(metric)
 	if ro.metrics.Len() == ro.MetricBatchSize {
 		batch := ro.metrics.Batch(ro.MetricBatchSize)
 		err := ro.write(batch)
@@ -206,9 +200,3 @@ func (ro *RunningOutput) write(metrics []telegraf.Metric) error {
 	}
 	return err
 }
-
-// OutputConfig containing name and filter
-type OutputConfig struct {
-	Name   string
-	Filter Filter
-}

internal/models/running_output_test.go

@@ -75,23 +75,6 @@ func BenchmarkRunningOutputAddFailWrites(b *testing.B) {
 	}
 }
 
-func TestAddingNilMetric(t *testing.T) {
-	conf := &OutputConfig{
-		Filter: Filter{},
-	}
-
-	m := &mockOutput{}
-	ro := NewRunningOutput("test", m, conf, 1000, 10000)
-
-	ro.AddMetric(nil)
-	ro.AddMetric(nil)
-	ro.AddMetric(nil)
-
-	err := ro.Write()
-	assert.NoError(t, err)
-	assert.Len(t, m.Metrics(), 0)
-}
-
 // Test that NameDrop filters ger properly applied.
 func TestRunningOutput_DropFilter(t *testing.T) {
 	conf := &OutputConfig{

internal/models/running_processor.go

@@ -34,14 +34,18 @@ func (rp *RunningProcessor) Apply(in ...telegraf.Metric) []telegraf.Metric {
 	ret := []telegraf.Metric{}
 
 	for _, metric := range in {
-		if rp.Config.Filter.IsActive() {
-			// check if the filter should be applied to this metric
-			if ok := rp.Config.Filter.Apply(metric.Name(), metric.Fields(), metric.Tags()); !ok {
-				// this means filter should not be applied
-				ret = append(ret, metric)
-				continue
-			}
+		// In processors when a filter selects a metric it is sent through the
+		// processor.  Otherwise the metric continues downstream unmodified.
+		if ok := rp.Config.Filter.Select(metric); !ok {
+			ret = append(ret, metric)
+			continue
 		}
+
+		rp.Config.Filter.Modify(metric)
+		if len(metric.FieldList()) == 0 {
+			continue
+		}
+
 		// This metric should pass through the filter, so call the filter Apply
 		// function and append results to the output slice.
 		ret = append(ret, rp.Processor.Apply(metric)...)

internal/models/running_processor_test.go

@@ -1,117 +1,203 @@
 package models
 
 import (
+	"sort"
 	"testing"
+	"time"
 
 	"github.com/influxdata/telegraf"
-	"github.com/influxdata/telegraf/testutil"
+	"github.com/influxdata/telegraf/metric"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
-type TestProcessor struct {
+// MockProcessor is a Processor with an overrideable Apply implementation.
+type MockProcessor struct {
+	ApplyF func(in ...telegraf.Metric) []telegraf.Metric
 }
 
-func (f *TestProcessor) SampleConfig() string { return "" }
-func (f *TestProcessor) Description() string  { return "" }
-
-// Apply renames:
-//   "foo" to "fuz"
-//   "bar" to "baz"
-// And it also drops measurements named "dropme"
-func (f *TestProcessor) Apply(in ...telegraf.Metric) []telegraf.Metric {
-	out := make([]telegraf.Metric, 0)
-	for _, m := range in {
-		switch m.Name() {
-		case "foo":
-			out = append(out, testutil.TestMetric(1, "fuz"))
-		case "bar":
-			out = append(out, testutil.TestMetric(1, "baz"))
-		case "dropme":
-			// drop the metric!
-		default:
-			out = append(out, m)
-		}
-	}
-	return out
+func (p *MockProcessor) SampleConfig() string {
+	return ""
 }
 
-func NewTestRunningProcessor() *RunningProcessor {
-	out := &RunningProcessor{
-		Name:      "test",
-		Processor: &TestProcessor{},
-		Config:    &ProcessorConfig{Filter: Filter{}},
-	}
-	return out
+func (p *MockProcessor) Description() string {
+	return ""
 }
 
-func TestRunningProcessor(t *testing.T) {
-	inmetrics := []telegraf.Metric{
-		testutil.TestMetric(1, "foo"),
-		testutil.TestMetric(1, "bar"),
-		testutil.TestMetric(1, "baz"),
-	}
-
-	expectedNames := []string{
-		"fuz",
-		"baz",
-		"baz",
-	}
-	rfp := NewTestRunningProcessor()
-	filteredMetrics := rfp.Apply(inmetrics...)
-
-	actualNames := []string{
-		filteredMetrics[0].Name(),
-		filteredMetrics[1].Name(),
-		filteredMetrics[2].Name(),
-	}
-	assert.Equal(t, expectedNames, actualNames)
+func (p *MockProcessor) Apply(in ...telegraf.Metric) []telegraf.Metric {
+	return p.ApplyF(in...)
 }
 
-func TestRunningProcessor_WithNameDrop(t *testing.T) {
-	inmetrics := []telegraf.Metric{
-		testutil.TestMetric(1, "foo"),
-		testutil.TestMetric(1, "bar"),
-		testutil.TestMetric(1, "baz"),
+// TagProcessor returns a Processor whose Apply function adds the tag and
+// value.
+func TagProcessor(key, value string) *MockProcessor {
+	return &MockProcessor{
+		ApplyF: func(in ...telegraf.Metric) []telegraf.Metric {
+			for _, m := range in {
+				m.AddTag(key, value)
+			}
+			return in
+		},
 	}
-
-	expectedNames := []string{
-		"foo",
-		"baz",
-		"baz",
-	}
-	rfp := NewTestRunningProcessor()
-
-	rfp.Config.Filter.NameDrop = []string{"foo"}
-	assert.NoError(t, rfp.Config.Filter.Compile())
-
-	filteredMetrics := rfp.Apply(inmetrics...)
-
-	actualNames := []string{
-		filteredMetrics[0].Name(),
-		filteredMetrics[1].Name(),
-		filteredMetrics[2].Name(),
-	}
-	assert.Equal(t, expectedNames, actualNames)
 }
 
-func TestRunningProcessor_DroppedMetric(t *testing.T) {
-	inmetrics := []telegraf.Metric{
-		testutil.TestMetric(1, "dropme"),
-		testutil.TestMetric(1, "foo"),
-		testutil.TestMetric(1, "bar"),
+func Metric(
+	name string,
+	tags map[string]string,
+	fields map[string]interface{},
+	tm time.Time,
+	tp ...telegraf.ValueType,
+) telegraf.Metric {
+	m, err := metric.New(name, tags, fields, tm, tp...)
+	if err != nil {
+		panic(err)
 	}
-
-	expectedNames := []string{
-		"fuz",
-		"baz",
-	}
-	rfp := NewTestRunningProcessor()
-	filteredMetrics := rfp.Apply(inmetrics...)
-
-	actualNames := []string{
-		filteredMetrics[0].Name(),
-		filteredMetrics[1].Name(),
-	}
-	assert.Equal(t, expectedNames, actualNames)
+	return m
+}
+
+func TestRunningProcessor_Apply(t *testing.T) {
+	type args struct {
+		Processor telegraf.Processor
+		Config    *ProcessorConfig
+	}
+
+	tests := []struct {
+		name     string
+		args     args
+		input    []telegraf.Metric
+		expected []telegraf.Metric
+	}{
+		{
+			name: "inactive filter applies metrics",
+			args: args{
+				Processor: TagProcessor("apply", "true"),
+				Config: &ProcessorConfig{
+					Filter: Filter{},
+				},
+			},
+			input: []telegraf.Metric{
+				Metric(
+					"cpu",
+					map[string]string{},
+					map[string]interface{}{
+						"value": 42.0,
+					},
+					time.Unix(0, 0),
+				),
+			},
+			expected: []telegraf.Metric{
+				Metric(
+					"cpu",
+					map[string]string{
+						"apply": "true",
+					},
+					map[string]interface{}{
+						"value": 42.0,
+					},
+					time.Unix(0, 0),
+				),
+			},
+		},
+		{
+			name: "filter applies",
+			args: args{
+				Processor: TagProcessor("apply", "true"),
+				Config: &ProcessorConfig{
+					Filter: Filter{
+						NamePass: []string{"cpu"},
+					},
+				},
+			},
+			input: []telegraf.Metric{
+				Metric(
+					"cpu",
+					map[string]string{},
+					map[string]interface{}{
+						"value": 42.0,
+					},
+					time.Unix(0, 0),
+				),
+			},
+			expected: []telegraf.Metric{
+				Metric(
+					"cpu",
+					map[string]string{
+						"apply": "true",
+					},
+					map[string]interface{}{
+						"value": 42.0,
+					},
+					time.Unix(0, 0),
+				),
+			},
+		},
+		{
+			name: "filter doesn't apply",
+			args: args{
+				Processor: TagProcessor("apply", "true"),
+				Config: &ProcessorConfig{
+					Filter: Filter{
+						NameDrop: []string{"cpu"},
+					},
+				},
+			},
+			input: []telegraf.Metric{
+				Metric(
+					"cpu",
+					map[string]string{},
+					map[string]interface{}{
+						"value": 42.0,
+					},
+					time.Unix(0, 0),
+				),
+			},
+			expected: []telegraf.Metric{
+				Metric(
+					"cpu",
+					map[string]string{},
+					map[string]interface{}{
+						"value": 42.0,
+					},
+					time.Unix(0, 0),
+				),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			rp := &RunningProcessor{
+				Processor: tt.args.Processor,
+				Config:    tt.args.Config,
+			}
+			rp.Config.Filter.Compile()
+
+			actual := rp.Apply(tt.input...)
+			require.Equal(t, tt.expected, actual)
+		})
+	}
+}
+
+func TestRunningProcessor_Order(t *testing.T) {
+	rp1 := &RunningProcessor{
+		Config: &ProcessorConfig{
+			Order: 1,
+		},
+	}
+	rp2 := &RunningProcessor{
+		Config: &ProcessorConfig{
+			Order: 2,
+		},
+	}
+	rp3 := &RunningProcessor{
+		Config: &ProcessorConfig{
+			Order: 3,
+		},
+	}
+
+	procs := RunningProcessors{rp2, rp3, rp1}
+	sort.Sort(procs)
+	require.Equal(t,
+		RunningProcessors{rp1, rp2, rp3},
+		procs)
 }