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
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode: C++ -*-
//
// Copyright 2021-2023 Google LLC
//
// Licensed under the Apache License v2.0 with LLVM Exceptions (the
// "License"); you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
// https://llvm.org/LICENSE.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Giuliano Procida
#include "runtime.h"
#include <cstddef>
#include <iomanip>
#include <map>
#include <ostream>
namespace stg {
std::ostream& operator<<(std::ostream& os, const Frequencies& frequencies) {
bool separate = false;
for (const auto& [item, frequency] : frequencies.counts) {
if (separate) {
os << ' ';
} else {
separate = true;
}
os << '[' << item << "]=" << frequency;
}
return os;
}
std::ostream& operator<<(std::ostream& os, const Nanoseconds& value) {
const auto millis = value.ns / 1'000'000;
const auto nanos = value.ns % 1'000'000;
// fill needs to be reset; width is reset automatically
return os << millis << '.' << std::setfill('0') << std::setw(6) << nanos
<< std::setfill(' ') << " ms";
}
Time::Time(Runtime& runtime, const char* name)
: runtime_(runtime), name_(name) {
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start_);
}
Time::~Time() {
struct timespec finish;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &finish);
const auto seconds = finish.tv_sec - start_.tv_sec;
const auto nanos = finish.tv_nsec - start_.tv_nsec;
const Nanoseconds value(seconds * 1'000'000'000 + nanos);
runtime_.PrintMetric(name_, value);
}
Counter::Counter(Runtime& runtime, const char* name)
: runtime_(runtime), name_(name), value_(0) {
}
Counter::~Counter() {
runtime_.PrintMetric(name_, value_);
}
Histogram::Histogram(Runtime& runtime, const char* name)
: runtime_(runtime), name_(name) {
}
Histogram::~Histogram() {
runtime_.PrintMetric(name_, frequencies_);
}
} // namespace stg
|
