add trace to the available logging levels

daemon/influxd.go

@@ -21,6 +21,8 @@ import (
 func setupLogging(loggingLevel, logFile string) {
 	level := log.DEBUG
 	switch loggingLevel {
+	case "trace":
+		level = log.TRACE
 	case "info":
 		level = log.INFO
 	case "warn":

integration/test_config_single.toml

@@ -16,7 +16,7 @@ bind-address = "0.0.0.0"
 reporting-disabled = true
 
 [logging]
-# logging level can be one of "debug", "info", "warn" or "error"
+# logging level can be one of "trace", "debug", "info", "warn" or "error"
 level  = "info"
 file   = "stdout"         # stdout to log to standard out, or syslog