FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
WebKit/Source/JavaScriptCore/heap/FullGCActivityCallback.cpp at main · WebKit/WebKit · GitHub
Uh oh!
There was an error while loading.
Please reload this page
.
WebKit
/
WebKit
Public
Notifications
You must be signed in to change notification settings
Fork
2.1k
Star
10.1k
Code
Pull requests
2.6k
Actions
Wiki
Security and quality
0
Insights
Additional navigation options
Code
Pull requests
Actions
Wiki
Security and quality
Insights
Expand file tree
Breadcrumbs
WebKit
/
Source
/
JavaScriptCore
/
heap
/
FullGCActivityCallback.cpp
Copy path
More file actions
More file actions
Latest commit
History
History
History
75 lines (63 loc) · 2.7 KB
Breadcrumbs
WebKit
/
Source
/
JavaScriptCore
/
heap
/
FullGCActivityCallback.cpp
Copy path
File metadata and controls
75 lines (63 loc) · 2.7 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/*
* Copyright (C) 2014-2026 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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
"
config.h
"
#
include
"
FullGCActivityCallback.h
"
#
include
<
wtf/MemoryPressureHandler.h
>
#
include
"
VM.h
"
namespace
JSC
{
FullGCActivityCallback::FullGCActivityCallback
(
JSC
::Heap& heap, Synchronousness synchronousness)
: GCActivityCallback(heap, synchronousness)
{
}
FullGCActivityCallback::~FullGCActivityCallback
() =
default
;
void
FullGCActivityCallback::doCollection
(
VM
& vm)
{
JSC
::Heap& heap = vm.
heap
;
setDidGCRecently
(
false
);
#
if
!PLATFORM(IOS_FAMILY) || PLATFORM(MACCATALYST)
MonotonicTime startTime =
MonotonicTime::now
();
if
(
MemoryPressureHandler::singleton
().
isUnderMemoryPressure
() && heap.
isPagedOut
()) {
cancel
();
heap.
increaseLastFullGCLength
(
MonotonicTime::now
() - startTime);
return
;
}
#
endif
heap.
collect
(m_synchronousness, CollectionScope::Full);
}
Seconds
FullGCActivityCallback::lastGCLength
(
JSC
::Heap& heap)
{
return
heap.
lastFullGCLength
();
}
double
FullGCActivityCallback::deathRate
(
JSC
::Heap& heap)
{
size_t
sizeBefore = heap.
sizeBeforeLastFullCollection
();
size_t
sizeAfter = heap.
sizeAfterLastFullCollection
();
return
GCActivityCallback::deathRate
(sizeBefore, sizeAfter);
}
double
FullGCActivityCallback::gcTimeSlice
(
size_t
bytes)
{
return
std::min
((
static_cast
<
double
>(bytes) /
MB
) *
Options::percentCPUPerMBForFullTimer
(),
Options::collectionTimerMaxPercentCPU
());
}
}
//
namespace JSC
Back
|
FazBrowse Home
|
New Git URL