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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/db/jsobj.h"
#include "mongo/platform/atomic_word.h"
#include "mongo/platform/basic.h"
#include "mongo/rpc/message.h"
#include "mongo/util/concurrency/spin_lock.h"
#include "mongo/util/processinfo.h"
#include "mongo/util/with_alignment.h"
namespace mongo {
/**
* for storing operation counters
* note: not thread safe. ok with that for speed
*/
class OpCounters {
public:
OpCounters() = default;
void gotInserts(int n) {
_checkWrap(&OpCounters::_insert, n);
}
void gotInsert() {
_checkWrap(&OpCounters::_insert, 1);
}
void gotQuery() {
_checkWrap(&OpCounters::_query, 1);
}
void gotUpdate() {
_checkWrap(&OpCounters::_update, 1);
}
void gotDelete() {
_checkWrap(&OpCounters::_delete, 1);
}
void gotGetMore() {
_checkWrap(&OpCounters::_getmore, 1);
}
void gotCommand() {
_checkWrap(&OpCounters::_command, 1);
}
void gotOp(int op, bool isCommand);
BSONObj getObj() const;
// thse are used by snmp, and other things, do not remove
const AtomicWord<long long>* getInsert() const {
return &_insert;
}
const AtomicWord<long long>* getQuery() const {
return &_query;
}
const AtomicWord<long long>* getUpdate() const {
return &_update;
}
const AtomicWord<long long>* getDelete() const {
return &_delete;
}
const AtomicWord<long long>* getGetMore() const {
return &_getmore;
}
const AtomicWord<long long>* getCommand() const {
return &_command;
}
private:
// Increment member `counter` by `n`, resetting all counters if it was > 2^60.
void _checkWrap(CacheAligned<AtomicWord<long long>> OpCounters::*counter, int n);
CacheAligned<AtomicWord<long long>> _insert;
CacheAligned<AtomicWord<long long>> _query;
CacheAligned<AtomicWord<long long>> _update;
CacheAligned<AtomicWord<long long>> _delete;
CacheAligned<AtomicWord<long long>> _getmore;
CacheAligned<AtomicWord<long long>> _command;
};
extern OpCounters globalOpCounters;
extern OpCounters replOpCounters;
class NetworkCounter {
public:
// Increment the counters for the number of bytes read directly off the wire
void hitPhysicalIn(long long bytes);
void hitPhysicalOut(long long bytes);
// Increment the counters for the number of bytes passed out of the TransportLayer to the
// server
void hitLogicalIn(long long bytes);
void hitLogicalOut(long long bytes);
void append(BSONObjBuilder& b);
private:
CacheAligned<AtomicWord<long long>> _physicalBytesIn{0};
CacheAligned<AtomicWord<long long>> _physicalBytesOut{0};
// These two counters are always incremented at the same time, so
// we place them on the same cache line.
struct Together {
AtomicWord<long long> logicalBytesIn{0};
AtomicWord<long long> requests{0};
};
CacheAligned<Together> _together{};
static_assert(sizeof(decltype(_together)) <= stdx::hardware_constructive_interference_size,
"cache line spill");
CacheAligned<AtomicWord<long long>> _logicalBytesOut{0};
};
extern NetworkCounter networkCounter;
}
|
