1/*
2 * Copyright (C) 2016 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/HashCountedSet.h>
29#include <wtf/HashMap.h>
30
31namespace WebCore {
32
33class Page;
34
35enum class ShouldIncludeExpensiveComputations { No, Yes };
36
37class PerformanceLogging {
38 WTF_MAKE_FAST_ALLOCATED;
39 WTF_MAKE_NONCOPYABLE(PerformanceLogging);
40public:
41 explicit PerformanceLogging(Page&);
42
43 enum PointOfInterest {
44 MainFrameLoadStarted,
45 MainFrameLoadCompleted,
46 };
47
48 void didReachPointOfInterest(PointOfInterest);
49
50 WEBCORE_EXPORT static HashCountedSet<const char*> javaScriptObjectCounts();
51 WEBCORE_EXPORT static HashMap<const char*, size_t> memoryUsageStatistics(ShouldIncludeExpensiveComputations);
52 WEBCORE_EXPORT static Optional<uint64_t> physicalFootprint();
53
54private:
55 static void getPlatformMemoryUsageStatistics(HashMap<const char*, size_t>&);
56
57 Page& m_page;
58};
59
60}
61