From 1febfcc16daa57428405cda9f68aa5d829a9a28c Mon Sep 17 00:00:00 2001
From: Jelle Foks <jfoks@google.com>
Date: Fri, 16 Aug 2024 12:35:58 -0700
Subject: [PATCH] Log thread and process CPU time

---
 .../http_stream_factory_job_controller.cc     | 28 ++++++++++++++++---
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/net/http/http_stream_factory_job_controller.cc b/net/http/http_stream_factory_job_controller.cc
index 3a5d2635b586..33e9df70032a 100644
--- a/net/http/http_stream_factory_job_controller.cc
+++ b/net/http/http_stream_factory_job_controller.cc
@@ -4,6 +4,7 @@
 
 #include "net/http/http_stream_factory_job_controller.h"
 
+#include <pthread.h>
 #include <string>
 #include <utility>
 
@@ -23,6 +24,7 @@
 #include "net/log/net_log_source.h"
 #include "net/log/net_log_with_source.h"
 #include "net/spdy/spdy_session.h"
+#include "starboard/common/string.h"
 #include "url/url_constants.h"
 
 namespace net {
@@ -61,6 +63,25 @@ std::unique_ptr<base::Value> NetLogJobControllerCallback(
   return std::move(dict);
 }
 
+namespace {
+static clockid_t clockid = 0;
+std::string print_clock(const char* msg, clockid_t cid) {
+  struct timespec ts;
+  if (clock_gettime(cid, &ts) != -1)
+    return starboard::FormatString(" %s %ld.%06ld", msg, ts.tv_sec,
+                                   ts.tv_nsec / 1000);
+  return std::string();
+}
+
+std::string print_clocks() {
+  if (clockid == 0) {
+    pthread_getcpuclockid(pthread_self(), &clockid);
+  }
+  return print_clock("thread", clockid) +
+         print_clock("process", CLOCK_PROCESS_CPUTIME_ID);
+}
+}  // namespace
+
 HttpStreamFactory::JobController::JobController(
     HttpStreamFactory* factory,
     HttpStreamRequest::Delegate* delegate,
@@ -256,9 +277,9 @@ void HttpStreamFactory::JobController::OnStreamReady(
   DCHECK(stream);
 
   {
-    const char* jobtypename[] = {"main", "alternative", "dns_alpn_h3", "preconnect",
-                           "preconnect_dns_alpn_h3"};
-    LOG(INFO) << __FUNCTION__ << " negotiated_protocol = "
+    const char* jobtypename[] = {"main", "alternative", "dns_alpn_h3",
+                                 "preconnect", "preconnect_dns_alpn_h3"};
+    LOG(INFO) << __FUNCTION__ << print_clocks() << " negotiated_protocol = "
               << NextProtoToString(job->negotiated_protocol())
               << " was_alpn_negotiated=" << job->was_alpn_negotiated()
               << " using_spdy=" << job->using_spdy()
@@ -509,7 +530,6 @@ void HttpStreamFactory::JobController::OnNewSpdySessionReady(
 
   // Notify |request_|.
   if (!is_preconnect_ && !is_job_orphaned) {
-
     DCHECK(request_);
 
     // The first case is the usual case.