From 3f89a2f8608909e158b9440ee4c8306e82947a84 Mon Sep 17 00:00:00 2001
From: Leo Chen <leo@harmony.one>
Date: Mon, 9 Sep 2019 12:32:58 -0700
Subject: [PATCH] fix broken build on Mac OS

Signed-off-by: Leo Chen <leo@harmony.one>
---
 internal/profiler/profiler.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/profiler/profiler.go b/internal/profiler/profiler.go
index 5f76a4123..619a73034 100644
--- a/internal/profiler/profiler.go
+++ b/internal/profiler/profiler.go
@@ -3,6 +3,7 @@ package profiler
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"os"
 	"sync"
@@ -48,7 +49,7 @@ func (profiler *Profiler) LogMemory() {
 		memMap, _ := profiler.proc.MemoryMaps(false)
 		loggedMemMap := ""
 		for _, mems := range *memMap {
-			loggedMemMap += mems.String() + "; "
+			loggedMemMap = fmt.Sprintf("%v; %v", loggedMemMap, mems)
 		}
 		utils.Logger().Info().
 			Str("info", info.String()).