dart-sdk/runtime/lib/timeline.cc
Ryan Macnak 3d21a46b72 Limit preserialized JSON for timeline events from Dart code to the arguments.
Avoids string copies in C++ and map copies in Dart.

Also remove some vestiages of removed feature that allowed an embedder to add pre-encoded events to the timeline.

Change-Id: I962a67093ba461c991d9169b0391c44af1d489db
Bug: https://github.com/dart-lang/sdk/issues/30787
Reviewed-on: https://dart-review.googlesource.com/6762
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
2017-09-19 23:29:55 +00:00

168 lines
5.4 KiB
C++

// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/bootstrap_natives.h"
#include "include/dart_api.h"
#include "vm/native_entry.h"
#include "vm/object.h"
#include "vm/os.h"
#include "vm/timeline.h"
namespace dart {
// Native implementations for the dart:developer library.
DEFINE_NATIVE_ENTRY(Timeline_isDartStreamEnabled, 0) {
#ifndef PRODUCT
if (!FLAG_support_timeline) {
return Bool::False().raw();
}
if (Timeline::GetDartStream()->enabled()) {
return Bool::True().raw();
}
#endif // !PRODUCT
return Bool::False().raw();
}
DEFINE_NATIVE_ENTRY(Timeline_getNextAsyncId, 0) {
if (!FLAG_support_timeline) {
return Integer::New(0);
}
TimelineEventRecorder* recorder = Timeline::recorder();
if (recorder == NULL) {
return Integer::New(0);
}
return Integer::New(recorder->GetNextAsyncId());
}
DEFINE_NATIVE_ENTRY(Timeline_getTraceClock, 0) {
return Integer::New(OS::GetCurrentMonotonicMicros(), Heap::kNew);
}
DEFINE_NATIVE_ENTRY(Timeline_getThreadCpuClock, 0) {
return Integer::New(OS::GetCurrentThreadCPUMicros(), Heap::kNew);
}
DEFINE_NATIVE_ENTRY(Timeline_reportTaskEvent, 6) {
#ifndef PRODUCT
if (!FLAG_support_timeline) {
return Object::null();
}
GET_NON_NULL_NATIVE_ARGUMENT(Integer, start, arguments->NativeArgAt(0));
GET_NON_NULL_NATIVE_ARGUMENT(Integer, id, arguments->NativeArgAt(1));
GET_NON_NULL_NATIVE_ARGUMENT(String, phase, arguments->NativeArgAt(2));
GET_NON_NULL_NATIVE_ARGUMENT(String, category, arguments->NativeArgAt(3));
GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(4));
GET_NON_NULL_NATIVE_ARGUMENT(String, args, arguments->NativeArgAt(5));
TimelineEventRecorder* recorder = Timeline::recorder();
if (recorder == NULL) {
return Object::null();
}
TimelineEvent* event = Timeline::GetDartStream()->StartEvent();
if (event == NULL) {
// Stream was turned off.
return Object::null();
}
DartTimelineEventHelpers::ReportTaskEvent(
thread, event, start.AsInt64Value(), id.AsInt64Value(), phase.ToCString(),
category.ToCString(), name.ToMallocCString(), args.ToMallocCString());
#endif
return Object::null();
}
DEFINE_NATIVE_ENTRY(Timeline_reportCompleteEvent, 5) {
#ifndef PRODUCT
if (!FLAG_support_timeline) {
return Object::null();
}
GET_NON_NULL_NATIVE_ARGUMENT(Integer, start, arguments->NativeArgAt(0));
GET_NON_NULL_NATIVE_ARGUMENT(Integer, start_cpu, arguments->NativeArgAt(1));
GET_NON_NULL_NATIVE_ARGUMENT(String, category, arguments->NativeArgAt(2));
GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(3));
GET_NON_NULL_NATIVE_ARGUMENT(String, args, arguments->NativeArgAt(4));
TimelineEventRecorder* recorder = Timeline::recorder();
if (recorder == NULL) {
return Object::null();
}
TimelineEvent* event = Timeline::GetDartStream()->StartEvent();
if (event == NULL) {
// Stream was turned off.
return Object::null();
}
DartTimelineEventHelpers::ReportCompleteEvent(
thread, event, start.AsInt64Value(), start_cpu.AsInt64Value(),
category.ToCString(), name.ToMallocCString(), args.ToMallocCString());
#endif // !defined(PRODUCT)
return Object::null();
}
DEFINE_NATIVE_ENTRY(Timeline_reportFlowEvent, 7) {
#ifndef PRODUCT
if (!FLAG_support_timeline) {
return Object::null();
}
GET_NON_NULL_NATIVE_ARGUMENT(Integer, start, arguments->NativeArgAt(0));
GET_NON_NULL_NATIVE_ARGUMENT(Integer, start_cpu, arguments->NativeArgAt(1));
GET_NON_NULL_NATIVE_ARGUMENT(String, category, arguments->NativeArgAt(2));
GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(3));
GET_NON_NULL_NATIVE_ARGUMENT(Integer, type, arguments->NativeArgAt(4));
GET_NON_NULL_NATIVE_ARGUMENT(Integer, flow_id, arguments->NativeArgAt(5));
GET_NON_NULL_NATIVE_ARGUMENT(String, args, arguments->NativeArgAt(6));
TimelineEventRecorder* recorder = Timeline::recorder();
if (recorder == NULL) {
return Object::null();
}
TimelineEvent* event = Timeline::GetDartStream()->StartEvent();
if (event == NULL) {
// Stream was turned off.
return Object::null();
}
DartTimelineEventHelpers::ReportFlowEvent(
thread, event, start.AsInt64Value(), start_cpu.AsInt64Value(),
category.ToCString(), name.ToMallocCString(), type.AsInt64Value(),
flow_id.AsInt64Value(), args.ToMallocCString());
#endif // !defined(PRODUCT)
return Object::null();
}
DEFINE_NATIVE_ENTRY(Timeline_reportInstantEvent, 4) {
#ifndef PRODUCT
if (!FLAG_support_timeline) {
return Object::null();
}
GET_NON_NULL_NATIVE_ARGUMENT(Integer, start, arguments->NativeArgAt(0));
GET_NON_NULL_NATIVE_ARGUMENT(String, category, arguments->NativeArgAt(1));
GET_NON_NULL_NATIVE_ARGUMENT(String, name, arguments->NativeArgAt(2));
GET_NON_NULL_NATIVE_ARGUMENT(String, args, arguments->NativeArgAt(3));
TimelineEventRecorder* recorder = Timeline::recorder();
if (recorder == NULL) {
return Object::null();
}
TimelineEvent* event = Timeline::GetDartStream()->StartEvent();
if (event == NULL) {
// Stream was turned off.
return Object::null();
}
DartTimelineEventHelpers::ReportInstantEvent(
thread, event, start.AsInt64Value(), category.ToCString(),
name.ToMallocCString(), args.ToMallocCString());
#endif
return Object::null();
}
} // namespace dart