blob: d76a1a688d8458e6c3d1cd2c644c4e5ca6b4dd9f (
plain)
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
|
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/base/running_samples.h"
#include <algorithm>
#include "base/logging.h"
namespace remoting {
RunningSamples::RunningSamples(int window_size)
: window_size_(window_size) {
DCHECK_GT(window_size, 0);
}
RunningSamples::~RunningSamples() {}
void RunningSamples::Record(int64_t value) {
DCHECK(thread_checker_.CalledOnValidThread());
data_points_.push_back(value);
sum_ += value;
if (data_points_.size() > window_size_) {
sum_ -= data_points_[0];
data_points_.pop_front();
}
}
double RunningSamples::Average() const {
DCHECK(thread_checker_.CalledOnValidThread());
if (data_points_.empty())
return 0;
return static_cast<double>(sum_) / data_points_.size();
}
int64_t RunningSamples::Max() const {
DCHECK(thread_checker_.CalledOnValidThread());
if (data_points_.empty())
return 0;
return *std::max_element(data_points_.begin(), data_points_.end());
}
} // namespace remoting
|
