From 32c34330a542dac845e9a61982919ccec7269bdc Mon Sep 17 00:00:00 2001
From: Alex Browne <stephenalexbrowne@gmail.com>
Date: Mon, 4 Nov 2019 14:39:44 -0800
Subject: [PATCH] Mock getProcessCPUTime for WASM environments

---
 metrics/cpu_js.go      | 9 +++++++++
 metrics/cpu_syscall.go | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 metrics/cpu_js.go

diff --git a/metrics/cpu_js.go b/metrics/cpu_js.go
new file mode 100644
index 0000000000..7a5f1669be
--- /dev/null
+++ b/metrics/cpu_js.go
@@ -0,0 +1,9 @@
+// +build js,wasm
+
+package metrics
+
+// getProcessCPUTime is mocked for js/wasm environments. Currently it alwasy
+// returns 0.
+func getProcessCPUTime() int64 {
+	return 0
+}
diff --git a/metrics/cpu_syscall.go b/metrics/cpu_syscall.go
index e245453e82..1d6f3b5c7c 100644
--- a/metrics/cpu_syscall.go
+++ b/metrics/cpu_syscall.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 !windows
+// +build !windows,!js
 
 package metrics