119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "ReactPerfettoLogger.h"
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#if defined(WITH_PERFETTO)
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#include "ReactPerfetto.h"
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#elif defined(WITH_FBSYSTRACE)
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#include <fbsystrace.h>
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#endif
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namespace facebook::react {
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namespace {
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#if defined(WITH_PERFETTO)
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const HighResTimeStamp PROGRAM_INIT_TIME = HighResTimeStamp::now();
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const std::string PERFETTO_DEFAULT_TRACK_NAME = "# Web Performance";
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const std::string PERFETTO_TRACK_NAME_PREFIX = "# Web Performance: ";
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std::string toPerfettoTrackName(
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const std::optional<std::string_view>& trackName,
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const std::optional<std::string_view>& trackGroup) {
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std::string perfettoTrackName = PERFETTO_DEFAULT_TRACK_NAME;
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if (trackName || trackGroup) {
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perfettoTrackName += ": ";
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if (trackGroup) {
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perfettoTrackName += *trackGroup;
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if (trackName) {
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perfettoTrackName += " | ";
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}
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}
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if (trackName) {
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perfettoTrackName += *trackName;
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}
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}
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return perfettoTrackName;
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}
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#elif defined(WITH_FBSYSTRACE)
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int64_t getDeltaNanos(HighResTimeStamp jsTime) {
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auto now = HighResTimeStamp::now();
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return (jsTime - now).toNanoseconds();
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}
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#endif
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} // namespace
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/* static */ bool ReactPerfettoLogger::isTracing() {
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#if defined(WITH_PERFETTO)
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return TRACE_EVENT_CATEGORY_ENABLED("react-native");
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#elif defined(WITH_FBSYSTRACE)
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return fbsystrace_is_tracing(TRACE_TAG_REACT);
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#else
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return false;
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#endif
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}
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/* static */ void ReactPerfettoLogger::measure(
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const std::string_view& eventName,
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HighResTimeStamp startTime,
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HighResTimeStamp endTime,
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const std::optional<std::string_view>& trackName,
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const std::optional<std::string_view>& trackGroup) {
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#if defined(WITH_PERFETTO)
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if (TRACE_EVENT_CATEGORY_ENABLED("react-native")) {
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if (startTime < PROGRAM_INIT_TIME || endTime < PROGRAM_INIT_TIME) {
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return;
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}
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auto track = getPerfettoWebPerfTrackAsync(
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toPerfettoTrackName(trackName, trackGroup));
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TRACE_EVENT_BEGIN(
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"react-native",
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perfetto::DynamicString(eventName.data(), eventName.size()),
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track,
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highResTimeStampToPerfettoTraceTime(startTime));
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TRACE_EVENT_END(
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"react-native", track, highResTimeStampToPerfettoTraceTime(endTime));
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}
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#elif defined(WITH_FBSYSTRACE)
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static int cookie = 0;
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fbsystrace_begin_async_section_with_timedelta(
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TRACE_TAG_REACT, eventName.data(), cookie, getDeltaNanos(startTime));
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fbsystrace_end_async_section_with_timedelta(
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TRACE_TAG_REACT, eventName.data(), cookie, getDeltaNanos(endTime));
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cookie++;
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#endif
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}
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/* static */ void ReactPerfettoLogger::mark(
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const std::string_view& eventName,
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HighResTimeStamp startTime,
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const std::optional<std::string_view>& trackName,
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const std::optional<std::string_view>& trackGroup) {
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#if defined(WITH_PERFETTO)
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if (TRACE_EVENT_CATEGORY_ENABLED("react-native")) {
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TRACE_EVENT_INSTANT(
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"react-native",
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perfetto::DynamicString(eventName.data(), eventName.size()),
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getPerfettoWebPerfTrackSync(toPerfettoTrackName(trackName, trackGroup)),
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highResTimeStampToPerfettoTraceTime(startTime));
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}
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#elif defined(WITH_FBSYSTRACE)
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static const char* kTrackName = "# Web Performance: Markers";
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fbsystrace_instant_for_track_with_timedelta(
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TRACE_TAG_REACT, kTrackName, eventName.data(), getDeltaNanos(startTime));
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#endif
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}
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} // namespace facebook::react
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