diff --git a/bench/diagonal.go b/bench/diagonal.go
index 10ed20368..fb782e97c 100644
--- a/bench/diagonal.go
+++ b/bench/diagonal.go
@@ -13,12 +13,18 @@ import (
 // DiagonalSetBits sets bits with increasing profile id and bitmap id.
 type DiagonalSetBits struct {
 	HasClient
+	Name          string `json:"name"`
 	BaseBitmapID  int    `json:"base-bitmap-id"`
 	BaseProfileID int    `json:"base-profile-id"`
 	Iterations    int    `json:"iterations"`
 	DB            string `json:"db"`
 }
 
+func (b *DiagonalSetBits) Init(hosts []string, agentNum int) error {
+	b.Name = "DiagonalSetBits"
+	return b.HasClient.Init(hosts, agentNum)
+}
+
 func (b *DiagonalSetBits) Usage() string {
 	return `
 diagonal-set-bits sets bits with increasing profile id and bitmap id.
diff --git a/bench/import.go b/bench/import.go
index 8a249abbb..b3708d1a4 100644
--- a/bench/import.go
+++ b/bench/import.go
@@ -22,6 +22,7 @@ func NewImport(stdin io.Reader, stdout, stderr io.Writer) *Import {
 
 // Import sets bits with increasing profile id and bitmap id.
 type Import struct {
+	Name              string `json:"name"`
 	BaseBitmapID      int64  `json:"base-bitmap-id"`
 	MaxBitmapID       int64  `json:"max-bitmap-id"`
 	BaseProfileID     int64  `json:"base-profile-id"`
@@ -107,6 +108,7 @@ func (b *Import) Init(hosts []string, agentNum int) error {
 	if len(hosts) == 0 {
 		return fmt.Errorf("Need at least one host")
 	}
+	b.Name = "Import"
 	b.Host = hosts[0]
 	// generate csv data
 	baseBitmapID, maxBitmapID, baseProfileID, maxProfileID := b.BaseBitmapID, b.MaxBitmapID, b.BaseProfileID, b.MaxProfileID
diff --git a/bench/multidb.go b/bench/multidb.go
index b8e4528cd..36e672219 100644
--- a/bench/multidb.go
+++ b/bench/multidb.go
@@ -12,9 +12,15 @@ import (
 // MultiDBSetBits sets bits with increasing profile id and bitmap id.
 type MultiDBSetBits struct {
 	HasClient
-	BaseBitmapID  int `json:"base-bitmap-id"`
-	BaseProfileID int `json:"base-profile-id"`
-	Iterations    int `json:"iterations"`
+	Name          string `json:"name"`
+	BaseBitmapID  int    `json:"base-bitmap-id"`
+	BaseProfileID int    `json:"base-profile-id"`
+	Iterations    int    `json:"iterations"`
+}
+
+func (b *MultiDBSetBits) Init(hosts []string, agentNum int) error {
+	b.Name = "MultiDBSetBits"
+	return b.HasClient.Init(hosts, agentNum)
 }
 
 func (b *MultiDBSetBits) Usage() string {
diff --git a/bench/random.go b/bench/random.go
index a39d40106..cf0b55832 100644
--- a/bench/random.go
+++ b/bench/random.go
@@ -14,6 +14,7 @@ import (
 // RandomSetBits sets bits randomly and deterministically based on a seed.
 type RandomSetBits struct {
 	HasClient
+	Name           string `json:"name"`
 	BaseBitmapID   int64  `json:"base-bitmap-id"`
 	BaseProfileID  int64  `json:"base-profile-id"`
 	BitmapIDRange  int64  `json:"bitmap-id-range"`
@@ -23,6 +24,11 @@ type RandomSetBits struct {
 	DB             string `json:"db"`
 }
 
+func (b *RandomSetBits) Init(hosts []string, agentNum int) error {
+	b.Name = "RandomSetBits"
+	return b.HasClient.Init(hosts, agentNum)
+}
+
 func (b *RandomSetBits) Usage() string {
 	return `
 random-set-bits sets random bits
diff --git a/bench/randquery.go b/bench/randquery.go
index 3d6228f74..5f54e1a1e 100644
--- a/bench/randquery.go
+++ b/bench/randquery.go
@@ -12,6 +12,7 @@ import (
 // RandomQuery queries randomly and deterministically based on a seed.
 type RandomQuery struct {
 	HasClient
+	Name          string   `json:"name"`
 	MaxDepth      int      `json:"max-depth"`
 	MaxArgs       int      `json:"max-args"`
 	MaxN          int      `json:"max-n"`
@@ -22,6 +23,11 @@ type RandomQuery struct {
 	DBs           []string `json:"dbs"`
 }
 
+func (b *RandomQuery) Init(hosts []string, agentNum int) error {
+	b.Name = "RandomQuery"
+	return b.HasClient.Init(hosts, agentNum)
+}
+
 func (b *RandomQuery) Usage() string {
 	return `
 random-query constructs random queries
diff --git a/bench/sliceheight.go b/bench/sliceheight.go
index 31aad4531..94d97c419 100644
--- a/bench/sliceheight.go
+++ b/bench/sliceheight.go
@@ -26,6 +26,7 @@ type SliceHeight struct {
 	MaxTime time.Duration `json:"max-time"`
 	hosts   []string
 
+	Name          string `json:"name"`
 	MinBitsPerMap int64  `json:"min-bits-per-map"`
 	MaxBitsPerMap int64  `json:"max-bits-per-map"`
 	Seed          int64  `json:"seed"`
@@ -84,6 +85,7 @@ func (b *SliceHeight) ConsumeFlags(args []string) ([]string, error) {
 }
 
 func (b *SliceHeight) Init(hosts []string, agentNum int) error {
+	b.Name = "SliceHeight"
 	b.hosts = hosts
 	return nil
 }
diff --git a/bench/zipf.go b/bench/zipf.go
index b3f443706..c487ee667 100644
--- a/bench/zipf.go
+++ b/bench/zipf.go
@@ -17,6 +17,7 @@ import (
 // It also uses PermutationGenerator to permute IDs randomly.
 type ZipfSetBits struct {
 	HasClient
+	Name           string
 	BaseBitmapID   int64
 	BaseProfileID  int64
 	BitmapIDRange  int64
@@ -122,6 +123,7 @@ func getZipfOffset(N int64, exp, ratio float64) float64 {
 }
 
 func (b *ZipfSetBits) Init(hosts []string, agentNum int) error {
+	b.Name = "ZipfSetBits"
 	rnd := rand.New(rand.NewSource(b.Seed + int64(agentNum)))
 	bitmapOffset := getZipfOffset(b.BitmapIDRange, b.BitmapExponent, b.BitmapRatio)
 	b.BitmapRng = rand.NewZipf(rnd, b.BitmapExponent, bitmapOffset, uint64(b.BitmapIDRange-1))