From e1d03ad65aa69cfa4a40415cb6d44f2935749e0d Mon Sep 17 00:00:00 2001
From: zhoujunhao <18853925545@163.com>
Date: Wed, 17 Oct 2018 17:25:14 +0800
Subject: [PATCH 1/3] [FIX] Fix the problem of inaccurate host memory

---
 node/nodem/info/info_linux.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/node/nodem/info/info_linux.go b/node/nodem/info/info_linux.go
index 03f6fd684..a4353d1df 100644
--- a/node/nodem/info/info_linux.go
+++ b/node/nodem/info/info_linux.go
@@ -69,10 +69,10 @@ func readOS() map[string]string {
 }
 
 func getMemory() (total uint64, free uint64) {
-	sysInfo := new(syscall.Sysinfo_t)
+	sysInfo := syscall.Sysinfo_t{}
 	err := syscall.Sysinfo(sysInfo)
 	if err == nil {
-		return sysInfo.Totalram * uint64(syscall.Getpagesize()), sysInfo.Freeram * uint64(syscall.Getpagesize())
+		return uint64(sysInfo.Totalram) * uint64(sysInfo.Unit), sysInfo.Freeram * uint64(syscall.Getpagesize())
 	}
 	return 0, 0
 }

From 2f65f80d1f15af6b7688f86e764a2966caa96a57 Mon Sep 17 00:00:00 2001
From: zhoujunhao <18853925545@163.com>
Date: Wed, 17 Oct 2018 17:33:52 +0800
Subject: [PATCH 2/3] [FIX] Fix the problem of inaccurate host memory

---
 node/nodem/info/info_linux.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/node/nodem/info/info_linux.go b/node/nodem/info/info_linux.go
index a4353d1df..3092a9cec 100644
--- a/node/nodem/info/info_linux.go
+++ b/node/nodem/info/info_linux.go
@@ -69,7 +69,7 @@ func readOS() map[string]string {
 }
 
 func getMemory() (total uint64, free uint64) {
-	sysInfo := syscall.Sysinfo_t{}
+	sysInfo := new(syscall.Sysinfo_t)
 	err := syscall.Sysinfo(sysInfo)
 	if err == nil {
 		return uint64(sysInfo.Totalram) * uint64(sysInfo.Unit), sysInfo.Freeram * uint64(syscall.Getpagesize())

From 0b144b94ff31f8894c08f8b620abee8533280be6 Mon Sep 17 00:00:00 2001
From: zhoujunhao <18853925545@163.com>
Date: Wed, 17 Oct 2018 18:22:24 +0800
Subject: [PATCH 3/3] [ADD] Add cpu number information

---
 node/nodem/client/node.go     | 1 +
 node/nodem/info/info_linux.go | 1 +
 2 files changed, 2 insertions(+)

diff --git a/node/nodem/client/node.go b/node/nodem/client/node.go
index 19b32c725..3d8ffd4fe 100644
--- a/node/nodem/client/node.go
+++ b/node/nodem/client/node.go
@@ -153,6 +153,7 @@ type NodeSystemInfo struct {
 	Architecture string `json:"architecture"`
 
 	MemorySize uint64 `json:"memorySize"`
+	NumCPU     int64  `json:"cpu_num"`
 }
 
 //Decode decode node info
diff --git a/node/nodem/info/info_linux.go b/node/nodem/info/info_linux.go
index 3092a9cec..b9d96bfce 100644
--- a/node/nodem/info/info_linux.go
+++ b/node/nodem/info/info_linux.go
@@ -45,6 +45,7 @@ func GetSystemInfo() (info client.NodeSystemInfo) {
 	}
 	info.OperatingSystem = runtime.GOOS
 	info.MemorySize, _ = getMemory()
+	info.NumCPU = int64(runtime.NumCPU())
 	return info
 }