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
|
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.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.
*
*=========================================================================*/
#include "itkMemoryProbesCollectorBase.h"
#include "itkTestingMacros.h"
#if defined(TEST_WITH_SLEEP)
# if defined(_WIN32) && !defined(__CYGWIN__)
# include <windows.h>
# else
# include <unistd.h>
inline void
Sleep(unsigned int milliseconds)
{
sleep(milliseconds / 1000);
}
# endif
#else
# define Sleep(x) // Empty
#endif // defined(TEST_WITH_SLEEP)
int
itkMemoryProbesCollecterBaseTest(int, char *[])
{
const size_t bufsize = 256L * 1024L * 1024L; // 256 MiB
itk::MemoryProbesCollectorBase mcollecter;
itk::MemoryProbe probe;
mcollecter.Start("Update");
Sleep(5000);
mcollecter.Stop("Update");
mcollecter.Report();
mcollecter.Clear();
mcollecter.Start("Update");
probe.Start();
auto * buf = new char[bufsize];
for (unsigned int i = 0; i < bufsize; ++i)
{
buf[i] = static_cast<char>(i & 0xff);
}
Sleep(5000);
mcollecter.Stop("Update");
probe.Stop();
itk::MemoryProbe::MemoryLoadType total = probe.GetTotal();
std::cout << " Total Value " << probe.GetTotal() << std::endl;
if (total == 0)
{
std::cout << "WARNING: Total memory usage should be greater than zero. Memory Probes do not work on this platform"
<< std::endl;
delete[] buf;
return EXIT_SUCCESS;
}
mcollecter.Report();
probe.Start();
delete[] buf;
Sleep(5000);
probe.Stop();
if (total != 0 && total < probe.GetTotal())
{
std::cerr << "Freeing memory should result in less memory but it is " << probe.GetTotal() << probe.GetUnit()
<< " instead of " << total << probe.GetUnit() << std::endl;
return EXIT_FAILURE;
}
ITK_TRY_EXPECT_EXCEPTION(mcollecter.GetProbe("IDoNotExist"));
ITK_TRY_EXPECT_NO_EXCEPTION(mcollecter.GetProbe("Update"));
return EXIT_SUCCESS;
}
|
