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
|
/*
* Copyright (C) 2014-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2015-2018 John Emmas <john@creativepost.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "pbd/timing.h"
#include <sstream>
#include <limits>
#include <algorithm>
namespace PBD {
bool
get_min_max_avg_total (const std::vector<uint64_t>& values, uint64_t& min, uint64_t& max, uint64_t& avg, uint64_t& total)
{
if (values.empty()) {
return false;
}
total = 0;
min = std::numeric_limits<uint64_t>::max();
max = 0; avg = 0;
for (std::vector<uint64_t>::const_iterator ci = values.begin(); ci != values.end(); ++ci) {
total += *ci;
min = std::min (min, *ci);
max = std::max (max, *ci);
}
avg = total / values.size();
return true;
}
std::string
timing_summary (const std::vector<uint64_t>& values)
{
std::ostringstream oss;
uint64_t min, max, avg, total;
if (get_min_max_avg_total (values, min, max, avg, total)) {
oss << "Count: " << values.size()
<< " Min: " << min
<< " Max: " << max
<< " Total: " << total
<< " Avg: " << avg << " (" << avg / 1000 << " msecs)"
<< std::endl;
}
return oss.str();
}
} // namespace PBD
|
