[Squash] Testing

jasnell · jasnell · commit 89dfeb65b438 · 2018-01-08T15:17:06.000-08:00
diff --git a/lib/perf_hooks.js b/lib/perf_hooks.js
@@ -36,8 +36,6 @@ const {
   NODE_PERFORMANCE_MILESTONE_PRELOAD_MODULE_LOAD_END
 } = constants;
 
-const { sessionStats, streamStats } = process.binding('http2');
-
 const L = require('internal/linkedlist');
 const kInspect = require('internal/util').customInspectSymbol;
 const { inherits } = require('util');
@@ -85,9 +83,14 @@ const IDX_SESSION_STATS_DATA_SENT = 6;
 const IDX_SESSION_STATS_DATA_RECEIVED = 7;
 const IDX_SESSION_STATS_MAX_CONCURRENT_STREAMS = 8;
 
+let sessionStats;
+let streamStats;
+
 function collectHttp2Stats(entry) {
   switch (entry.name) {
     case 'Http2Stream':
+      if (streamStats === undefined)
+        streamStats = process.binding('http2').streamStats;
       entry.id =
         streamStats[IDX_STREAM_STATS_ID] >>> 0;
       entry.timeToFirstByte =
@@ -102,6 +105,8 @@ function collectHttp2Stats(entry) {
         streamStats[IDX_STREAM_STATS_RECEIVEDBYTES];
       break;
     case 'Http2Session':
+      if (sessionStats === undefined)
+        sessionStats = process.binding('http2').sessionStats;
       entry.type =
         sessionStats[IDX_SESSION_STATS_TYPE] >>> 0 === 0 ? 'server' : 'client';
       entry.pingRTT =
