From 71f17d3ef0aca18cb8456a73e0bdcac32f44b02f Mon Sep 17 00:00:00 2001
From: Bogdan Habic <habicbogdan@gmail.com>
Date: Thu, 16 Apr 2020 14:22:57 +0200
Subject: [PATCH] Changed the build constraints for darwin CPU stats when cgo
 is disabled.

---
 metrics/cpu_darwin_cgo.go | 31 +++++++++++++++++++++++++++++++
 metrics/cpu_enabled.go    |  2 +-
 2 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 metrics/cpu_darwin_cgo.go

diff --git a/metrics/cpu_darwin_cgo.go b/metrics/cpu_darwin_cgo.go
new file mode 100644
index 0000000000..143afc2fbe
--- /dev/null
+++ b/metrics/cpu_darwin_cgo.go
@@ -0,0 +1,31 @@
+// Copyright 2020 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// +build darwin,cgo
+
+package metrics
+
+import "github.com/elastic/gosigar"
+
+// ReadCPUStats retrieves the current CPU stats.
+func ReadCPUStats(stats *CPUStats) {
+	global := gosigar.Cpu{}
+	global.Get()
+
+	stats.GlobalTime = int64(global.User + global.Nice + global.Sys)
+	stats.GlobalWait = int64(global.Wait)
+	stats.LocalTime = getProcessCPUTime()
+}
diff --git a/metrics/cpu_enabled.go b/metrics/cpu_enabled.go
index b73d53643f..d4e3975b9a 100644
--- a/metrics/cpu_enabled.go
+++ b/metrics/cpu_enabled.go
@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-// +build darwin,cgo dragonfly freebsd linux nacl netbsd openbsd solaris windows arm64
+// +build !ios,!darwin
 
 package metrics