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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// Check Debugger.Memory.prototype.takeCensus handling of 'breakdown' argument.
load(libdir + 'match.js');
var Pattern = Match.Pattern;
var g = newGlobal({newCompartment: true});
var dbg = new Debugger(g);
Pattern({ count: Pattern.NATURAL,
bytes: Pattern.NATURAL })
.assert(dbg.memory.takeCensus({ breakdown: { by: 'count' } }));
let census = dbg.memory.takeCensus({ breakdown: { by: 'count', count: false, bytes: false } });
assertEq('count' in census, false);
assertEq('bytes' in census, false);
census = dbg.memory.takeCensus({ breakdown: { by: 'count', count: true, bytes: false } });
assertEq('count' in census, true);
assertEq('bytes' in census, false);
census = dbg.memory.takeCensus({ breakdown: { by: 'count', count: false, bytes: true } });
assertEq('count' in census, false);
assertEq('bytes' in census, true);
census = dbg.memory.takeCensus({ breakdown: { by: 'count', count: true, bytes: true } });
assertEq('count' in census, true);
assertEq('bytes' in census, true);
// Pattern doesn't mind objects with extra properties, so we'll restrict this
// list to the object classes we're pretty sure are going to stick around for
// the forseeable future.
Pattern({
Function: { count: Pattern.NATURAL },
Object: { count: Pattern.NATURAL },
DebuggerPrototype: { count: Pattern.NATURAL },
global: { count: Pattern.NATURAL },
})
.assert(dbg.memory.takeCensus({ breakdown: { by: 'objectClass' } }));
Pattern({
objects: { count: Pattern.NATURAL },
scripts: { count: Pattern.NATURAL },
strings: { count: Pattern.NATURAL },
other: { count: Pattern.NATURAL }
})
.assert(dbg.memory.takeCensus({ breakdown: { by: 'coarseType' } }));
// As for { by: 'objectClass' }, restrict our pattern to the types
// we predict will stick around for a long time.
Pattern({
JSString: { count: Pattern.NATURAL },
'js::Shape': { count: Pattern.NATURAL },
JSObject: { count: Pattern.NATURAL },
})
.assert(dbg.memory.takeCensus({ breakdown: { by: 'internalType' } }));
// Nested breakdowns.
let coarse_type_pattern = {
objects: { count: Pattern.NATURAL },
scripts: { count: Pattern.NATURAL },
strings: { count: Pattern.NATURAL },
other: { count: Pattern.NATURAL }
};
Pattern({
JSString: coarse_type_pattern,
'js::Shape': coarse_type_pattern,
JSObject: coarse_type_pattern,
})
.assert(dbg.memory.takeCensus({
breakdown: { by: 'internalType',
then: { by: 'coarseType' }
}
}));
Pattern({
Function: { count: Pattern.NATURAL },
Object: { count: Pattern.NATURAL },
DebuggerPrototype: { count: Pattern.NATURAL },
global: { count: Pattern.NATURAL },
other: coarse_type_pattern
})
.assert(dbg.memory.takeCensus({
breakdown: {
by: 'objectClass',
then: { by: 'count' },
other: { by: 'coarseType' }
}
}));
Pattern({
objects: { count: Pattern.NATURAL, label: "object" },
scripts: { count: Pattern.NATURAL, label: "scripts" },
strings: { count: Pattern.NATURAL, label: "strings" },
other: { count: Pattern.NATURAL, label: "other" }
})
.assert(dbg.memory.takeCensus({
breakdown: {
by: 'coarseType',
objects: { by: 'count', label: 'object' },
scripts: { by: 'count', label: 'scripts' },
strings: { by: 'count', label: 'strings' },
other: { by: 'count', label: 'other' }
}
}));
|
