all: legacy trace log

log/log.go

@@ -27,11 +27,14 @@ const (
 	ERROR
 	INFO
 	DEBUG
+	TRACE
 )
 
 // String implements fmt.Stringer for Level
 func (l Level) String() string {
 	switch l {
+	case TRACE:
+		return "trace"
 	case DEBUG:
 		return "debug"
 	case INFO:
@@ -179,13 +182,20 @@ func Debug(format string, args ...any) {
 	}
 }
 
-// Tracef writes to debug log and adds the calling function's name
-func Tracef(format string, args ...any) {
+// Debugf writes to debug log and adds the calling function's name.
+func Debugf(format string, args ...any) {
 	if atomic.LoadUint32(&level) >= uint32(DEBUG) {
 		writeLog("debug", getCallerName(), format, args...)
 	}
 }
 
+// Trace writes to trace log.
+func Trace(format string, args ...any) {
+	if atomic.LoadUint32(&level) >= uint32(TRACE) {
+		writeLog("trace", "", format, args...)
+	}
+}
+
 // Get goroutine ID
 // (https://blog.sgmansfield.com/2015/12/goroutine-ids/)
 func goroutineID() uint64 {
@@ -256,6 +266,8 @@ func (w *stdLogWriter) Write(p []byte) (n int, err error) {
 		logFunc = Debug
 	case INFO:
 		logFunc = Info
+	case TRACE:
+		logFunc = Trace
 	}
 
 	if prefix := w.prefix; prefix == "" {

logutil/slogutil/legacy.go

@@ -157,6 +157,8 @@ type logFunction func(format string, args ...any)
 // returned.
 func logFuncForLevel(lvl slog.Level) (logFunc logFunction, warnStr string, err error) {
 	switch lvl {
+	case LevelTrace:
+		return aglog.Trace, "", nil
 	case slog.LevelDebug:
 		return aglog.Debug, "", nil
 	case slog.LevelInfo: