blob: 5f5574bb9be628d0f91a17b1d638f89295e4c880 [file] [log] [blame]
/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/probe/core_probes.h"
#include "base/trace_event/typed_macros.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/core/core_probes_inl.h"
#include "third_party/blink/renderer/core/inspector/inspector_trace_events.h"
#include "third_party/blink/renderer/core/inspector/thread_debugger.h"
#include "third_party/blink/renderer/core/probe/async_task_context.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
namespace blink {
namespace probe {
base::TimeTicks ProbeBase::CaptureStartTime() const {
if (start_time_.is_null())
start_time_ = base::TimeTicks::Now();
return start_time_;
}
base::TimeTicks ProbeBase::CaptureEndTime() const {
if (end_time_.is_null())
end_time_ = base::TimeTicks::Now();
return end_time_;
}
base::TimeDelta ProbeBase::Duration() const {
DCHECK(!start_time_.is_null());
return CaptureEndTime() - start_time_;
}
AsyncTask::AsyncTask(ExecutionContext* context,
AsyncTaskContext* task_context,
const char* step,
bool enabled,
AdTrackingType ad_tracking_type)
: debugger_(enabled && context ? ThreadDebugger::From(context->GetIsolate())
: nullptr),
task_context_(task_context),
recurring_(step),
ad_tracker_(enabled && ad_tracking_type == AdTrackingType::kReport
? AdTracker::FromExecutionContext(context)
: nullptr) {
// TODO(crbug.com/1275875): Verify that `task_context` was scheduled, but
// not yet canceled. Currently we don't have enough confidence that such
// a CHECK wouldn't break blink.
TRACE_EVENT_BEGIN("blink", "AsyncTask Run",
perfetto::Flow::FromPointer(task_context));
if (debugger_)
debugger_->AsyncTaskStarted(task_context->Id());
if (ad_tracker_)
ad_tracker_->DidStartAsyncTask(task_context);
}
AsyncTask::~AsyncTask() {
if (debugger_) {
debugger_->AsyncTaskFinished(task_context_->Id());
if (!recurring_)
debugger_->AsyncTaskCanceled(task_context_->Id());
}
if (ad_tracker_)
ad_tracker_->DidFinishAsyncTask(task_context_);
TRACE_EVENT_END("blink"); // "AsyncTask Run"
}
void AllAsyncTasksCanceled(ExecutionContext* context) {
if (context) {
if (ThreadDebugger* debugger = ThreadDebugger::From(context->GetIsolate()))
debugger->AllAsyncTasksCanceled();
}
}
} // namespace probe
} // namespace blink