Bug 1778135 - Add profile marker for ORB safelist check. r=necko-reviewers,smaug,kershaw

Differential Revision: https://phabricator.services.mozilla.com/D164569

netwerk/protocol/http/HttpBaseChannel.cpp

@@ -3104,6 +3104,8 @@ HttpBaseChannel::PerformOpaqueResponseSafelistCheckBeforeSniff() {
           OPAQUE_RESPONSE_BLOCKING_CROSS_ORIGIN_OPAQUE_RESPONSE_COUNT,
       1);
 
+  PROFILER_MARKER_TEXT("ORB safelist check", NETWORK, {}, "Before sniff"_ns);
+
   // https://whatpr.org/fetch/1442.html#orb-algorithm
   // Step 1
   nsAutoCString contentType;
@@ -3204,6 +3206,8 @@ HttpBaseChannel::PerformOpaqueResponseSafelistCheckBeforeSniff() {
 // * `OpaqueResponseBlocker::ValidateJavaScript`
 OpaqueResponse HttpBaseChannel::PerformOpaqueResponseSafelistCheckAfterSniff(
     const nsACString& aContentType, bool aNoSniff) {
+  PROFILER_MARKER_TEXT("ORB safelist check", NETWORK, {}, "After sniff"_ns);
+
   // https://whatpr.org/fetch/1442.html#orb-algorithm
   MOZ_ASSERT(XRE_IsParentProcess());
   MOZ_ASSERT(mCachedOpaqueResponseBlockingPref);

netwerk/protocol/http/OpaqueResponseUtils.cpp

@@ -385,6 +385,16 @@ static void RecordTelemetry(const TimeStamp& aStartOfValidation,
   }();
 
   TimeStamp now = TimeStamp::Now();
+  PROFILER_MARKER_TEXT(
+      "ORB safelist check", NETWORK,
+      MarkerTiming::Interval(aStartOfValidation, aStartOfJavaScriptValidation),
+      nsPrintfCString("Receive data for validation (%s)", key.get()));
+
+  PROFILER_MARKER_TEXT(
+      "ORB safelist check", NETWORK,
+      MarkerTiming::Interval(aStartOfJavaScriptValidation, now),
+      nsPrintfCString("JS Validation (%s)", key.get()));
+
   Telemetry::AccumulateTimeDelta(Telemetry::ORB_RECEIVE_DATA_FOR_VALIDATION_MS,
                                  key, aStartOfValidation,
                                  aStartOfJavaScriptValidation);