-
Notifications
You must be signed in to change notification settings - Fork 4
/
package_info.py
169 lines (132 loc) · 4.98 KB
/
package_info.py
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
# coding:utf-8
###############################################################################
#
#
# PackageInfo - 解析某一应用卡顿相关数据的工具类.
#
# Copyright 2017, YanHao, [email protected]
#
# Parameters.
PACKAGE = "Package:" # Google输出日志中Package信息标识
SINCE = "Stats since:" # Google输出日志中Stats since信息标识
TOTAL_FRAMES = "Total frames rendered:" # Google输出日志中Total frames rendered信息标识
CATON_FRAMES = "HISTOGRAM:" # Google输出日志中HISTOGRAM信息标识
CATON_METRIC_SCALE = 100 #取100ms卡顿场景
PARSE_NOT_FOUND = ""
class PackageInfo:
"""解析某一应用卡顿数据的工具类.
属性:
package_name: 用于记录Package信息
package_since: 用于记录Stats since信息
caton_time: 用于记录超过100ms的卡顿时长
total_frame: 用于记录总绘制帧数
file_num: 文件序号
"""
def __init__(self, package_name, package_since, caton_time=0, total_frame=0, file_num=0):
"""初始化PackageInfo."""
self.package_name = package_name
self.package_since = package_since
self.caton_time = caton_time
self.total_frame = total_frame
self.file_num = file_num
@staticmethod
def parse_line(line):
"""解析一行日志并完成提取.
参数:
line: 需解析的某一行日志.
返回值:
解析结果
"""
if not line or not line.strip().split(':')[1]:
return ''
return line.strip().split(':')[1].strip()
@staticmethod
def parse_since(since_str):
"""解析 status since 信息.
参数:
since_str: 需解析的某一字符串.
返回值:
since_time：Stats since信息对应的时间戳，单位纳秒
"""
since_time = PARSE_NOT_FOUND
if since_str is None or len(since_str) <= len(SINCE):
return since_time
if cmp(since_str[0:len(SINCE)], SINCE) == 0:
temp = since_str.split(":")[1].strip(' ')
since_time = temp[0:temp.find("ns")]
return str(since_time)
@staticmethod
def parse_total_frame(total_frame_str):
"""解析总绘制帧数.
参数:
total_frame_str: 需解析的某一字符串.
返回值:
解析结果:总绘制帧数
"""
temp_total_frame = 0
if total_frame_str is None or len(total_frame_str) <= len(TOTAL_FRAMES):
return PARSE_NOT_FOUND
if cmp(total_frame_str[0:len(TOTAL_FRAMES)], TOTAL_FRAMES) == 0:
temp_total_frame = PackageInfo.parse_line(total_frame_str)
else:
return PARSE_NOT_FOUND
return str(temp_total_frame)
@staticmethod
def parse_caton(caton_str):
"""解析 卡顿时长.
参数:
caton_str: 需解析的某一字符串.
返回值:
caton_time：超过100ms的卡顿时长
"""
temp_caton_time = 0
if caton_str is None or len(caton_str) <= len(CATON_FRAMES):
return PARSE_NOT_FOUND
if cmp(caton_str[0:len(CATON_FRAMES)], CATON_FRAMES) == 0:
cols = caton_str.split(' ')
for col in cols:
item = col.split('=')
if len(item) == 2:
temp = item[0].strip(' ')
item_time = int(temp[0:temp.find("ms")])
if int(item_time) >= CATON_METRIC_SCALE:
temp_caton_time = temp_caton_time + int(item_time) * int(item[1])
else:
return PARSE_NOT_FOUND
return str(temp_caton_time)
def subtract(self, pkg_info):
"""实现 PackageInfo 类型之间的减法.
调用者作被减数,参数作减数.
参数:
pkg_info: 减数.
返回值:
True：成功
False:失败
"""
if pkg_info is None:
return False
if self.package_since > pkg_info.package_since \
or self.total_frame < pkg_info.total_frame \
or self.caton_time < pkg_info.caton_time:
print "package subtract not valid"
return False
self.total_frame = self.total_frame - pkg_info.total_frame
self.caton_time = self.caton_time - pkg_info.caton_time
return True
def combine(self, pkg_info):
"""实现 PackageInfo 类型之间的加法.
参数:
pkg_info: 加数.
返回值:
True：成功
False:失败
"""
if pkg_info is None:
return False
self.total_frame = self.total_frame + pkg_info.total_frame
self.caton_time = self.caton_time + pkg_info.caton_time
return True
def dump(self):
"""打印分析的卡顿数据."""
print "package:" + self.package_name + ",totalFrame:" + str(self.total_frame) \
+ ",caton(100ms):" + str(self.caton_time)