embed: add 'enable-pprof' tag for config file

Fix https://github.com/coreos/etcd/issues/8402.

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>

embed/config.go

@@ -115,7 +115,7 @@ type Config struct {
 
 	Debug                 bool   `json:"debug"`
 	LogPkgLevels          string `json:"log-package-levels"`
-	EnablePprof           bool
+	EnablePprof           bool   `json:"enable-pprof"`
 	Metrics               string `json:"metrics"`
 	ListenMetricsUrls     []url.URL
 	ListenMetricsUrlsJSON string `json:"listen-metrics-urls"`

etcd.conf.yml.sample

@@ -72,6 +72,9 @@ strict-reconfig-check: false
 # Accept etcd V2 client requests
 enable-v2: true
 
+# Enable runtime profiling data via HTTP server
+enable-pprof: true
+
 # Valid values include 'on', 'readonly', 'off'
 proxy: 'off'