trace_events: stop tracing agent in process.exit()

PR-URL: https://github.com/nodejs/node/pull/18005
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

1 files changed, 22 insertions, 0 deletions

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 0000000000..be45cb1d3e
--- /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);
+  }));
+}));