From 9dd8c2dce60151ccf1ce6b1bbc4b4cd8ed73d1a3 Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Tue, 4 Dec 2018 16:49:03 -0500
Subject: [PATCH] process: simplify check in previousValueIsValid()

This commit replaces a call to Number.isFinite() with a
cheaper typeof check. The subsequent range checks ensure that
the checked value is finite.
---
 lib/internal/process/per_thread.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/internal/process/per_thread.js b/lib/internal/process/per_thread.js
index 952abda8b67147..ad634b757eca48 100644
--- a/lib/internal/process/per_thread.js
+++ b/lib/internal/process/per_thread.js
@@ -85,7 +85,7 @@ function setupCpuUsage(_cpuUsage) {
   // Ensure that a previously passed in value is valid. Currently, the native
   // implementation always returns numbers <= Number.MAX_SAFE_INTEGER.
   function previousValueIsValid(num) {
-    return Number.isFinite(num) &&
+    return typeof num === 'number' &&
         num <= Number.MAX_SAFE_INTEGER &&
         num >= 0;
   }