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
|
#!/usr/bin/python
#
# Copyright (C) 2018 The Android Open Source Project
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
import argparse
import itertools
import json
import sqlite3
class SqliteWriter(object):
def __init__(self):
self.sample_count = 0
self.dso_map = {}
self.pid_map = {}
self.tid_map = {}
self.symbol_map = {}
def open(self, out):
self._conn = sqlite3.connect(out)
self._c = self._conn.cursor()
# Ensure tables exist
# The sample replicates pid and tid.
try:
self._c.execute('''CREATE TABLE pids (id integer PRIMARY KEY AUTOINCREMENT,
name text)''')
self._c.execute('''CREATE TABLE tids (id integer PRIMARY KEY AUTOINCREMENT,
name text)''')
self._c.execute('''CREATE TABLE syms (id integer PRIMARY KEY AUTOINCREMENT,
name text)''')
self._c.execute('''CREATE TABLE dsos (id integer PRIMARY KEY AUTOINCREMENT,
name text)''')
self._c.execute('''CREATE TABLE samples (id integer PRIMARY KEY AUTOINCREMENT,
pid_id int not null,
tid_id int not null)
''')
self._c.execute('''CREATE TABLE stacks (sample_id int not null,
depth int not null,
dso_id int not null,
sym_id int not null,
offset int not null,
primary key (sample_id, depth))
''')
except sqlite3.OperationalError:
pass # ignore
def close(self):
self._conn.commit()
self._conn.close()
def insert_into_tmp_or_get(self, name, table_dict, table_dict_tmp):
if name in table_dict:
return table_dict[name]
if name in table_dict_tmp:
return table_dict_tmp[name]
index = len(table_dict) + len(table_dict_tmp)
table_dict_tmp[name] = index
return index
def prepare(self):
self.dso_tmp_map = {}
self.pid_tmp_map = {}
self.tid_tmp_map = {}
self.symbol_tmp_map = {}
self.samples_tmp_list = []
self.stacks_tmp_list = []
def write_sqlite_index_table(self, table_dict, table_name):
for key, value in table_dict.iteritems():
self._c.execute("insert into {tn} values (?,?)".format(tn=table_name), (value,key))
def flush(self):
self.write_sqlite_index_table(self.pid_tmp_map, 'pids')
self.write_sqlite_index_table(self.tid_tmp_map, 'tids')
self.write_sqlite_index_table(self.dso_tmp_map, 'dsos')
self.write_sqlite_index_table(self.symbol_tmp_map, 'syms')
for sample in self.samples_tmp_list:
self._c.execute("insert into samples values (?,?,?)", sample)
for stack in self.stacks_tmp_list:
self._c.execute("insert into stacks values (?,?,?,?,?)", stack)
self.pid_map.update(self.pid_tmp_map)
self.tid_map.update(self.tid_tmp_map)
self.dso_map.update(self.dso_tmp_map)
self.symbol_map.update(self.symbol_tmp_map)
self.dso_tmp_map = {}
self.pid_tmp_map = {}
self.tid_tmp_map = {}
self.symbol_tmp_map = {}
self.samples_tmp_list = []
self.stacks_tmp_list = []
def add_sample(self, sample, tid_name_map):
sample_id = self.sample_count
self.sample_count = self.sample_count + 1
def get_name(pid, name_map):
if pid in name_map:
return name_map[pid]
pid_str = str(pid)
if pid_str in name_map:
return name_map[pid_str]
if pid == 0:
return "[kernel]"
return "[unknown]"
pid_name = get_name(sample[0], tid_name_map)
pid_id = self.insert_into_tmp_or_get(pid_name, self.pid_map, self.pid_tmp_map)
tid_name = get_name(sample[1], tid_name_map)
tid_id = self.insert_into_tmp_or_get(tid_name, self.tid_map, self.tid_tmp_map)
self.samples_tmp_list.append((sample_id, pid_id, tid_id))
stack_depth = 0
for entry in sample[2]:
sym_id = self.insert_into_tmp_or_get(entry[0], self.symbol_map, self.symbol_tmp_map)
dso = entry[2]
if dso is None:
dso = "None"
dso_id = self.insert_into_tmp_or_get(dso, self.dso_map, self.dso_tmp_map)
self.stacks_tmp_list.append((sample_id, stack_depth, dso_id, sym_id, entry[1]))
stack_depth = stack_depth + 1
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='''Process a set of perfprofd JSON files produced
by perf_proto_stack.py into SQLite database''')
parser.add_argument('file', help='JSON files to parse and combine', metavar='file', nargs='+')
parser.add_argument('--sqlite-out', help='SQLite database output', type=str,
default='sqlite.db')
args = parser.parse_args()
if args is not None:
sql_out = SqliteWriter()
sql_out.open(args.sqlite_out)
sql_out.prepare()
for f in args.file:
print 'Processing %s' % (f)
fp = open(f, 'r')
data = json.load(fp)
fp.close()
for sample in data['samples']:
sql_out.add_sample(sample, data['names'])
sql_out.flush()
sql_out.close()
|
