From fa4edd700ebc1b3614bcd953c215d3f2ab2e0b35 Mon Sep 17 00:00:00 2001
From: alpaca <2419335621@qq.com>
Date: Fri, 17 Apr 2020 18:07:35 +0800
Subject: Fix accidently empty lines in meminfo_linux (#1671)

* Fix accidently empty lines in meminfo_linux

Signed-off-by: qwertysun <qwertysun@tencent.com>
---
 collector/meminfo_linux.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/collector/meminfo_linux.go b/collector/meminfo_linux.go
index 9aac018..c5de432 100644
--- a/collector/meminfo_linux.go
+++ b/collector/meminfo_linux.go
@@ -45,6 +45,10 @@ func parseMemInfo(r io.Reader) (map[string]float64, error) {
 	for scanner.Scan() {
 		line := scanner.Text()
 		parts := strings.Fields(line)
+		// Workaround for empty lines occasionally occur in CentOS 6.2 kernel 3.10.90.
+		if len(parts) == 0 {
+			continue
+		}
 		fv, err := strconv.ParseFloat(parts[1], 64)
 		if err != nil {
 			return nil, fmt.Errorf("invalid value in meminfo: %s", err)
-- 
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