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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
import cProfile
import os
from colorsys import hsv_to_rgb
from pstats import Stats
from django.conf import settings
from django.utils.html import format_html
from django.utils.translation import gettext_lazy as _
from debug_toolbar import settings as dt_settings
from debug_toolbar.panels import Panel
class FunctionCall:
def __init__(
self, statobj, func, depth=0, stats=None, id=0, parent_ids=None, hsv=(0, 0.5, 1)
):
self.statobj = statobj
self.func = func
if stats:
self.stats = stats
else:
self.stats = statobj.stats[func][:4]
self.depth = depth
self.id = id
self.parent_ids = parent_ids or []
self.hsv = hsv
def parent_classes(self):
return self.parent_classes
def background(self):
r, g, b = hsv_to_rgb(*self.hsv)
return f"rgb({r * 100:f}%,{g * 100:f}%,{b * 100:f}%)"
def is_project_func(self):
"""
Check if the function is from the project code.
Project code is identified by the BASE_DIR setting
which is used in Django projects by default.
"""
if hasattr(settings, "BASE_DIR"):
file_name, _, _ = self.func
base_dir = str(settings.BASE_DIR)
file_name = os.path.normpath(file_name)
base_dir = os.path.normpath(base_dir)
return file_name.startswith(base_dir) and not any(
directory in file_name.split(os.path.sep)
for directory in ["site-packages", "dist-packages"]
)
return None
def func_std_string(self): # match what old profile produced
func_name = self.func
if func_name[:2] == ("~", 0):
# special case for built-in functions
name = func_name[2]
if name.startswith("<") and name.endswith(">"):
return f"{{{name[1:-1]}}}"
else:
return name
else:
file_name, line_num, method = self.func
idx = file_name.find("/site-packages/")
if idx > -1:
file_name = file_name[(idx + 14) :]
split_path = file_name.rsplit(os.sep, 1)
if len(split_path) > 1:
file_path, file_name = file_name.rsplit(os.sep, 1)
else:
file_path = "<module>"
return format_html(
'<span class="djdt-path">{0}/</span>'
'<span class="djdt-file">{1}</span>'
' in <span class="djdt-func">{3}</span>'
'(<span class="djdt-lineno">{2}</span>)',
file_path,
file_name,
line_num,
method,
)
def subfuncs(self):
h, s, v = self.hsv
count = len(self.statobj.all_callees[self.func])
for i, (func, stats) in enumerate(self.statobj.all_callees[self.func].items()):
h1 = h + ((i + 1) / count) / (self.depth + 1)
s1 = 0 if self.stats[3] == 0 else s * (stats[3] / self.stats[3])
yield FunctionCall(
self.statobj,
func,
self.depth + 1,
stats=stats,
id=str(self.id) + "_" + str(i),
parent_ids=self.parent_ids + [self.id],
hsv=(h1, s1, 1),
)
def count(self):
return self.stats[1]
def tottime(self):
return self.stats[2]
def cumtime(self):
cc, nc, tt, ct = self.stats
return self.stats[3]
def tottime_per_call(self):
cc, nc, tt, ct = self.stats
if nc == 0:
return 0
return tt / nc
def cumtime_per_call(self):
cc, nc, tt, ct = self.stats
if cc == 0:
return 0
return ct / cc
def indent(self):
return 16 * self.depth
class ProfilingPanel(Panel):
"""
Panel that displays profiling information.
"""
is_async = False
title = _("Profiling")
template = "debug_toolbar/panels/profiling.html"
capture_project_code = dt_settings.get_config()["PROFILER_CAPTURE_PROJECT_CODE"]
def process_request(self, request):
self.profiler = cProfile.Profile()
return self.profiler.runcall(super().process_request, request)
def add_node(self, func_list, func, max_depth, cum_time):
func_list.append(func)
func.has_subfuncs = False
if func.depth < max_depth:
for subfunc in func.subfuncs():
# Always include the user's code
if subfunc.stats[3] >= cum_time or (
self.capture_project_code
and subfunc.is_project_func()
and subfunc.stats[3] > 0
):
func.has_subfuncs = True
self.add_node(func_list, subfunc, max_depth, cum_time)
def generate_stats(self, request, response):
if not hasattr(self, "profiler"):
return None
# Could be delayed until the panel content is requested (perf. optim.)
self.profiler.create_stats()
self.stats = Stats(self.profiler)
self.stats.calc_callees()
root_func = cProfile.label(super().process_request.__code__)
if root_func in self.stats.stats:
root = FunctionCall(self.stats, root_func, depth=0)
func_list = []
cum_time_threshold = (
root.stats[3] / dt_settings.get_config()["PROFILER_THRESHOLD_RATIO"]
)
self.add_node(
func_list,
root,
dt_settings.get_config()["PROFILER_MAX_DEPTH"],
cum_time_threshold,
)
self.record_stats({"func_list": func_list})
|
