From 4087dc813c23d3b5b92d99f00aaf3f382281f187 Mon Sep 17 00:00:00 2001
From: Andreas Madsen <amwebdk@gmail.com>
Date: Fri, 5 Jan 2018 16:40:18 +0100
Subject: [PATCH] trace_events: stop tracing agent in process.exit()

PR-URL: https://github.com/nodejs/node/pull/18005
Backport-PR-URL: https://github.com/nodejs/node/pull/18179
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
---
 src/node.cc                                   |  3 +++
 .../test-trace-events-process-exit.js         | 22 +++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 test/parallel/test-trace-events-process-exit.js

diff --git a/src/node.cc b/src/node.cc
index e37f8bae72c409..cebcf100c80306 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -2464,6 +2464,9 @@ static void WaitForInspectorDisconnect(Environment* env) {
 
 static void Exit(const FunctionCallbackInfo<Value>& args) {
   WaitForInspectorDisconnect(Environment::GetCurrent(args));
+  if (trace_enabled) {
+    v8_platform.StopTracingAgent();
+  }
   exit(args[0]->Int32Value());
 }
 
diff --git a/test/parallel/test-trace-events-process-exit.js b/test/parallel/test-trace-events-process-exit.js
new file mode 100644
index 00000000000000..be45cb1d3e0f22
--- /dev/null
+++ b/test/parallel/test-trace-events-process-exit.js
@@ -0,0 +1,22 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const cp = require('child_process');
+const fs = require('fs');
+
+const FILE_NAME = 'node_trace.1.log';
+
+common.refreshTmpDir();
+process.chdir(common.tmpDir);
+
+const proc = cp.spawn(process.execPath,
+                      [ '--trace-events-enabled',
+                        '-e', 'process.exit()' ]);
+
+proc.once('exit', common.mustCall(() => {
+  assert(common.fileExists(FILE_NAME));
+  fs.readFile(FILE_NAME, common.mustCall((err, data) => {
+    const traces = JSON.parse(data.toString()).traceEvents;
+    assert(traces.length > 0);
+  }));
+}));