From b96418934cf5be8ca3fe7e05b9c1a922f2630792 Mon Sep 17 00:00:00 2001
From: John Barboza <jBarz@users.noreply.github.com>
Date: Tue, 28 Nov 2017 04:17:57 -0500
Subject: [PATCH] calculate physical memory used on z/OS (#507)

---
 src/plugins/node/memory/nodezmemoryplugin.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/plugins/node/memory/nodezmemoryplugin.cpp b/src/plugins/node/memory/nodezmemoryplugin.cpp
index 8ff05d09..d1472ac9 100644
--- a/src/plugins/node/memory/nodezmemoryplugin.cpp
+++ b/src/plugins/node/memory/nodezmemoryplugin.cpp
@@ -121,8 +121,9 @@ static int64 getTotalPhysicalMemorySize() {
 }
 
 static int64 getProcessPhysicalMemorySize() {
-  //TODO: see if we can improve this on z/OS
-  return -1;
+  size_t size;
+  uv_resident_set_memory(&size);
+  return size;
 }
 
 static int64 getProcessPrivateMemorySize() {