From 98d9540dd7a7aa2e612f16caeea6e57d56ed9f12 Mon Sep 17 00:00:00 2001
From: Ali Ijaz Sheikh <ofrobots@google.com>
Date: Tue, 16 Jan 2018 17:13:36 -0800
Subject: src: use uv_hrtime as tracing timestamp

Override the V8 TracingController to provide uv_hrtime based
timestamps. This allows tracing timestamps to be comparable with
process.hrtime timestamps.

Fixes: https://github.com/nodejs/node/issues/17349
PR-URL: https://github.com/nodejs/node/pull/18196
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
---
 src/tracing/agent.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/tracing')

diff --git a/src/tracing/agent.h b/src/tracing/agent.h
index bd8e90004b..203f53be7e 100644
--- a/src/tracing/agent.h
+++ b/src/tracing/agent.h
@@ -8,7 +8,14 @@
 namespace node {
 namespace tracing {
 
-using v8::platform::tracing::TracingController;
+class TracingController : public v8::platform::tracing::TracingController {
+ public:
+  TracingController() : v8::platform::tracing::TracingController() {}
+
+  int64_t CurrentTimestampMicroseconds() override {
+    return uv_hrtime() / 1000;
+  }
+};
 
 class Agent {
  public:
-- 
cgit v1.2.3