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// Copyright 2017 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_PLATFORM_INSTRUMENTATION_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_PLATFORM_INSTRUMENTATION_H_
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class PLATFORM_EXPORT PlatformInstrumentation {
public:
class LazyPixelRefTracker : TraceEvent::TraceScopedTrackableObject<void*> {
public:
LazyPixelRefTracker(void* instance)
: TraceEvent::TraceScopedTrackableObject<void*>(kCategoryName,
kLazyPixelRef,
instance) {}
};
static const char kImageDecodeEvent[];
static const char kImageResizeEvent[];
static const char kDrawLazyPixelRefEvent[];
static const char kDecodeLazyPixelRefEvent[];
static const char kImageTypeArgument[];
static const char kCachedArgument[];
static const char kLazyPixelRef[];
static void WillDecodeImage(const String& image_type);
static void DidDecodeImage();
static void DidDrawLazyPixelRef(unsigned long long lazy_pixel_ref_id);
static void WillDecodeLazyPixelRef(unsigned long long lazy_pixel_ref_id);
static void DidDecodeLazyPixelRef();
private:
static const char kCategoryName[];
};
inline void PlatformInstrumentation::WillDecodeImage(const String& image_type) {
TRACE_EVENT_BEGIN1(kCategoryName, kImageDecodeEvent, kImageTypeArgument,
image_type.Ascii());
}
inline void PlatformInstrumentation::DidDecodeImage() {
TRACE_EVENT_END0(kCategoryName, kImageDecodeEvent);
}
inline void PlatformInstrumentation::DidDrawLazyPixelRef(
unsigned long long lazy_pixel_ref_id) {
TRACE_EVENT_INSTANT1(kCategoryName, kDrawLazyPixelRefEvent,
TRACE_EVENT_SCOPE_THREAD, kLazyPixelRef,
lazy_pixel_ref_id);
}
inline void PlatformInstrumentation::WillDecodeLazyPixelRef(
unsigned long long lazy_pixel_ref_id) {
TRACE_EVENT_BEGIN1(kCategoryName, kDecodeLazyPixelRefEvent, kLazyPixelRef,
lazy_pixel_ref_id);
}
inline void PlatformInstrumentation::DidDecodeLazyPixelRef() {
TRACE_EVENT_END0(kCategoryName, kDecodeLazyPixelRefEvent);
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_PLATFORM_INSTRUMENTATION_H_
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