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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /tools/profiler/core/MicroGeckoProfiler.cpp
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/profiler/core/MicroGeckoProfiler.cpp')
-rw-r--r--tools/profiler/core/MicroGeckoProfiler.cpp203
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
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+/* 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
+}