Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 203 insertions, 0 deletions

diff --git a/tools/profiler/core/MicroGeckoProfiler.cpp b/tools/profiler/core/MicroGeckoProfiler.cpp
new file mode 100644
index 0000000000..bedb755742
--- /dev/null
+++ b/tools/profiler/core/MicroGeckoProfiler.cpp
@@ -0,0 +1,203 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "GeckoProfiler.h"
+
+#include "mozilla/Maybe.h"
+#include "nsPrintfCString.h"
+#include "public/GeckoTraceEvent.h"
+
+using namespace mozilla;
+using webrtc::trace_event_internal::TraceValueUnion;
+
+void uprofiler_register_thread(const char* name, void* stacktop) {
+#ifdef MOZ_GECKO_PROFILER
+  profiler_register_thread(name, stacktop);
+#endif  // MOZ_GECKO_PROFILER
+}
+
+void uprofiler_unregister_thread() {
+#ifdef MOZ_GECKO_PROFILER
+  profiler_unregister_thread();
+#endif  // MOZ_GECKO_PROFILER
+}
+
+#ifdef MOZ_GECKO_PROFILER
+namespace {
+Maybe<MarkerTiming> ToTiming(char phase) {
+  switch (phase) {
+    case 'B':
+      return Some(MarkerTiming::IntervalStart());
+    case 'E':
+      return Some(MarkerTiming::IntervalEnd());
+    case 'I':
+      return Some(MarkerTiming::InstantNow());
+    default:
+      return Nothing();
+  }
+}
+
+struct TraceOption {
+  bool mPassed = false;
+  ProfilerString8View mName;
+  Variant<int64_t, bool, double, ProfilerString8View> mValue = AsVariant(false);
+};
+
+struct TraceMarker {
+  static constexpr int MAX_NUM_ARGS = 2;
+  using OptionsType = std::tuple<TraceOption, TraceOption>;
+  static constexpr mozilla::Span<const char> MarkerTypeName() {
+    return MakeStringSpan("TraceEvent");
+  }
+  static void StreamJSONMarkerData(
+      mozilla::baseprofiler::SpliceableJSONWriter& aWriter,
+      const OptionsType& aArgs) {
+    auto writeValue = [&](const auto& aName, const auto& aVariant) {
+      aVariant.match(
+          [&](const int64_t& aValue) { aWriter.IntProperty(aName, aValue); },
+          [&](const bool& aValue) { aWriter.BoolProperty(aName, aValue); },
+          [&](const double& aValue) { aWriter.DoubleProperty(aName, aValue); },
+          [&](const ProfilerString8View& aValue) {
+            aWriter.StringProperty(aName, aValue);
+          });
+    };
+    if (const auto& arg = std::get<0>(aArgs); arg.mPassed) {
+      aWriter.StringProperty("name1", arg.mName);
+      writeValue("val1", arg.mValue);
+    }
+    if (const auto& arg = std::get<1>(aArgs); arg.mPassed) {
+      aWriter.StringProperty("name2", arg.mName);
+      writeValue("val2", arg.mValue);
+    }
+  }
+  static mozilla::MarkerSchema MarkerTypeDisplay() {
+    using MS = MarkerSchema;
+    MS schema{MS::Location::MarkerChart, MS::Location::MarkerTable};
+    schema.SetChartLabel("{marker.name}");
+    schema.SetTableLabel(
+        "{marker.name}  {marker.data.name1} {marker.data.val1}  "
+        "{marker.data.name2} {marker.data.val2}");
+    schema.AddKeyLabelFormatSearchable("name1", "Key 1", MS::Format::String,
+                                       MS::Searchable::Searchable);
+    schema.AddKeyLabelFormatSearchable("val1", "Value 1", MS::Format::String,
+                                       MS::Searchable::Searchable);
+    schema.AddKeyLabelFormatSearchable("name2", "Key 2", MS::Format::String,
+                                       MS::Searchable::Searchable);
+    schema.AddKeyLabelFormatSearchable("val2", "Value 2", MS::Format::String,
+                                       MS::Searchable::Searchable);
+    return schema;
+  }
+};
+}  // namespace
+
+namespace mozilla {
+template <>
+struct ProfileBufferEntryWriter::Serializer<TraceOption> {
+  static Length Bytes(const TraceOption& aOption) {
+    // 1 byte to store passed flag, then object size if passed.
+    return aOption.mPassed ? (1 + SumBytes(aOption.mName, aOption.mValue)) : 1;
+  }
+
+  static void Write(ProfileBufferEntryWriter& aEW, const TraceOption& aOption) {
+    // 'T'/'t' is just an arbitrary 1-byte value to distinguish states.
+    if (aOption.mPassed) {
+      aEW.WriteObject<char>('T');
+      // Use the Serializer for the name/value pair.
+      aEW.WriteObject(aOption.mName);
+      aEW.WriteObject(aOption.mValue);
+    } else {
+      aEW.WriteObject<char>('t');
+    }
+  }
+};
+
+template <>
+struct ProfileBufferEntryReader::Deserializer<TraceOption> {
+  static void ReadInto(ProfileBufferEntryReader& aER, TraceOption& aOption) {
+    char c = aER.ReadObject<char>();
+    if ((aOption.mPassed = (c == 'T'))) {
+      aER.ReadIntoObject(aOption.mName);
+      aER.ReadIntoObject(aOption.mValue);
+    } else {
+      MOZ_ASSERT(c == 't');
+    }
+  }
+
+  static TraceOption Read(ProfileBufferEntryReader& aER) {
+    TraceOption option;
+    ReadInto(aER, option);
+    return option;
+  }
+};
+}  // namespace mozilla
+#endif  // MOZ_GECKO_PROFILER
+
+void uprofiler_simple_event_marker(const char* name, char phase, int num_args,
+                                   const char** arg_names,
+                                   const unsigned char* arg_types,
+                                   const unsigned long long* arg_values) {
+#ifdef MOZ_GECKO_PROFILER
+  if (!profiler_thread_is_being_profiled_for_markers()) {
+    return;
+  }
+  Maybe<MarkerTiming> timing = ToTiming(phase);
+  if (!timing) {
+    if (getenv("MOZ_LOG_UNKNOWN_TRACE_EVENT_PHASES")) {
+      fprintf(stderr, "XXX UProfiler: phase not handled: '%c'\n", phase);
+    }
+    return;
+  }
+  MOZ_ASSERT(num_args <= TraceMarker::MAX_NUM_ARGS);
+  TraceMarker::OptionsType tuple;
+  TraceOption* args[2] = {&std::get<0>(tuple), &std::get<1>(tuple)};
+  for (int i = 0; i < std::min(num_args, TraceMarker::MAX_NUM_ARGS); ++i) {
+    auto& arg = *args[i];
+    arg.mPassed = true;
+    arg.mName = ProfilerString8View::WrapNullTerminatedString(arg_names[i]);
+    switch (arg_types[i]) {
+      case TRACE_VALUE_TYPE_UINT:
+        MOZ_ASSERT(arg_values[i] <= std::numeric_limits<int64_t>::max());
+        arg.mValue = AsVariant(static_cast<int64_t>(
+            reinterpret_cast<const TraceValueUnion*>(&arg_values[i])->as_uint));
+        break;
+      case TRACE_VALUE_TYPE_INT:
+        arg.mValue = AsVariant(static_cast<int64_t>(
+            reinterpret_cast<const TraceValueUnion*>(&arg_values[i])->as_int));
+        break;
+      case TRACE_VALUE_TYPE_BOOL:
+        arg.mValue = AsVariant(
+            reinterpret_cast<const TraceValueUnion*>(&arg_values[i])->as_bool);
+        break;
+      case TRACE_VALUE_TYPE_DOUBLE:
+        arg.mValue =
+            AsVariant(reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
+                          ->as_double);
+        break;
+      case TRACE_VALUE_TYPE_POINTER:
+        arg.mValue = AsVariant(ProfilerString8View(nsPrintfCString(
+            "%p", reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
+                      ->as_pointer)));
+        break;
+      case TRACE_VALUE_TYPE_STRING:
+        arg.mValue = AsVariant(ProfilerString8View::WrapNullTerminatedString(
+            reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
+                ->as_string));
+        break;
+      case TRACE_VALUE_TYPE_COPY_STRING:
+        arg.mValue = AsVariant(ProfilerString8View(
+            nsCString(reinterpret_cast<const TraceValueUnion*>(&arg_values[i])
+                          ->as_string)));
+        break;
+      default:
+        MOZ_ASSERT_UNREACHABLE("Unexpected trace value type");
+        arg.mValue = AsVariant(ProfilerString8View(
+            nsPrintfCString("Unexpected type: %u", arg_types[i])));
+        break;
+    }
+  }
+  profiler_add_marker(ProfilerString8View::WrapNullTerminatedString(name),
+                      geckoprofiler::category::MEDIA_RT, {timing.extract()},
+                      TraceMarker{}, tuple);
+#endif  // MOZ_GECKO_PROFILER
+}