FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
rstudio/src/cpp/core/PerformanceTimer.cpp at master · pearsonca/rstudio · GitHub
pearsonca
/
rstudio
Public
forked from
rstudio/rstudio
Notifications
You must be signed in to change notification settings
Fork
0
Star
0
Code
Pull requests
0
Actions
Projects
Security and quality
0
Insights
Additional navigation options
Code
Pull requests
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
rstudio
/
src
/
cpp
/
core
/
PerformanceTimer.cpp
Copy path
More file actions
More file actions
Latest commit
History
History
History
135 lines (104 loc) · 2.89 KB
Breadcrumbs
rstudio
/
src
/
cpp
/
core
/
PerformanceTimer.cpp
Copy path
File metadata and controls
135 lines (104 loc) · 2.89 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
/*
* PerformanceTimer.cpp
*
* Copyright (C) 2009-12 by RStudio, PBC
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
#
include
<
core/PerformanceTimer.hpp
>
#
include
<
iostream
>
#
include
<
iomanip
>
using
namespace
boost
::posix_time
;
namespace
rstudio
{
namespace
core
{
PerformanceTimer::PerformanceTimer
()
: startTime_(ptime(not_a_date_time))
{
}
PerformanceTimer::PerformanceTimer
(
const
std::string& step)
: startTime_(ptime(not_a_date_time))
{
start
(step);
}
PerformanceTimer::~PerformanceTimer
()
{
try
{
if
(
running
())
{
stop
();
std::cerr << *
this
;
}
}
catch
(...)
{
}
}
void
PerformanceTimer::start
(
const
std::string& step)
{
BOOST_ASSERT
(!
running
());
//
reset state
startTime_ =
now
();
steps_.
clear
();
//
advance to step
advance
(step);
}
void
PerformanceTimer::advance
(
const
std::string& step)
{
BOOST_ASSERT
(
running
());
//
if there is an existing step pending then record its duration
recordPendingStep
();
//
record the start time and add a step
startTime_ =
now
();
steps_.
push_back
(
std::make_pair
(step,
time_duration
()));
}
void
PerformanceTimer::stop
()
{
BOOST_ASSERT
(
running
());
//
if there is an existing step pending then record its duration
recordPendingStep
();
//
reset start time
startTime_ =
ptime
(not_a_date_time);
}
bool
PerformanceTimer::running
()
const
{
return
!startTime_.
is_not_a_date_time
();
}
void
PerformanceTimer::recordPendingStep
()
{
if
(!steps_.
empty
())
steps_.
back
().
second
=
now
() - startTime_;
}
boost::posix_time::ptime
PerformanceTimer::now
()
const
{
return
microsec_clock::universal_time
();
}
std::ostream&
operator
<< (std::ostream& os,
const
PerformanceTimer& t)
{
BOOST_ASSERT
(!t.
running
());
//
fixed width output
std::ios::fmtflags oldFlags = os.
setf
(std::ios::fixed);
os <<
"
PERFORMANCE
"
;
//
start on a new line if we have more than one step
if
(t.
steps_
.
size
() >
1
)
os << std::endl;
for
(PerformanceTimer::Steps::const_iterator
it = t.
steps_
.
begin
(); it != t.
steps_
.
end
(); ++it)
{
double
ms = it->
second
.
total_microseconds
() *
0.001
;
os <<
std::setprecision
(ms <
10
?
1
:
0
);
os <<
"
"
<< ms <<
"
ms (
"
<< it->
first
<<
"
)
"
<< std::endl;
}
//
restore old output flags
os.
setf
(oldFlags);
return
os;
}
}
//
namespace core
}
//
namespace rstudio
Back
|
FazBrowse Home
|
New Git URL