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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_TRACING_TRACE_EVENT_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_TRACING_TRACE_EVENT_H_
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/cstring.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace WTF {
// CString version of SetTraceValue so that trace arguments can be strings.
static inline void SetTraceValue(const CString& arg,
unsigned char* type,
unsigned long long* value) {
trace_event_internal::TraceValueUnion type_value;
type_value.as_string = arg.data();
*type = TRACE_VALUE_TYPE_COPY_STRING;
*value = type_value.as_uint;
}
} // namespace WTF
namespace blink {
namespace TraceEvent {
using base::trace_event::TraceScopedTrackableObject;
using AsyncEnabledStateObserver =
base::trace_event::TraceLog::AsyncEnabledStateObserver;
inline base::TimeTicks ToTraceTimestamp(double seconds) {
return base::TimeTicks() + base::TimeDelta::FromSecondsD(seconds);
}
// This is to avoid error of passing a chromium time internal value.
void ToTraceTimestamp(int64_t);
PLATFORM_EXPORT void EnableTracing(const String& category_filter);
PLATFORM_EXPORT void DisableTracing();
PLATFORM_EXPORT void AddAsyncEnabledStateObserver(
base::WeakPtr<AsyncEnabledStateObserver>);
PLATFORM_EXPORT void RemoveAsyncEnabledStateObserver(
AsyncEnabledStateObserver*);
} // namespace TraceEvent
} // namespace blink
#endif
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