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
|
#!/usr/bin/env python3
from runtest import TestBase
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'forkexec', result="""
# Function Call Graph for 'main' (session: 327202376e209585)
=============== BACKTRACE ===============
backtrace #0: hit 1, time 5.824 us
[0] main (0x400530)
========== FUNCTION CALL GRAPH ==========
5.824 us : (1) main
5.411 us : (1) a
5.141 us : (1) b
4.670 us : (1) c
0.967 us : (1) getpid
# Function Call Graph for 'main' (session: f34056bd485963b3)
=============== BACKTRACE ===============
backtrace #0: hit 1, time 3.679 ms
[0] main (0x4005b0)
========== FUNCTION CALL GRAPH ==========
3.679 ms : (1) main
127.172 us : +-(1) fork
: |
3.527 ms : +-(1) waitpid
""")
def build(self, name, cflags='', ldflags=''):
ret = TestBase.build(self, 'abc', cflags, ldflags)
ret += TestBase.build(self, self.name, cflags, ldflags)
return ret
def prepare(self):
self.subcmd = 'record'
self.exearg = 't-' + self.name
return self.runcmd()
def setup(self):
self.subcmd = 'graph'
self.exearg = 'main'
def fixup(self, cflags, result):
return result.replace("readlink", """memset
: |
9.814 us : +-(1) readlink""")
def sort(self, output):
""" This function post-processes output of the test to be compared.
It ignores blank and comment (#) lines and header lines. """
result = []
mode = 0
for ln in output.split('\n'):
if ln.strip() == '' or ln.startswith('#'):
continue
if ln.startswith('=============== BACKTRACE ==============='):
mode = 1 # it seems to be broken in this case
continue
if ln.startswith('========== FUNCTION CALL GRAPH =========='):
mode = 2
continue
if mode == 1:
pass # compare function graph part only
if mode == 2:
result.append(ln.split(':')[1]) # remove time part
return '\n'.join(result)
|
