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
|
"""
Tests that TSan and LLDB have correct thread numbers.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import json
class TsanThreadNumbersTestCase(TestBase):
@expectedFailureAll(
oslist=["linux"],
bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)",
)
@expectedFailureNetBSD
@skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
@skipIfRemote
@skipUnlessThreadSanitizer
def test(self):
self.build()
self.tsan_tests()
def tsan_tests(self):
exe = self.getBuildArtifact("a.out")
self.expect("file " + exe, patterns=["Current executable set to .*a.out"])
self.runCmd("run")
stop_reason = (
self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
)
if stop_reason == lldb.eStopReasonExec:
# On OS X 10.10 and older, we need to re-exec to enable
# interceptors.
self.runCmd("continue")
# the stop reason of the thread should be breakpoint.
self.expect(
"thread list",
"A data race should be detected",
substrs=["stopped", "stop reason = Data race detected"],
)
self.assertEqual(
self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(),
lldb.eStopReasonInstrumentation,
)
report_thread_id = (
self.dbg.GetSelectedTarget().process.GetSelectedThread().GetIndexID()
)
self.expect(
"thread info -s",
"The extended stop info should contain the TSan provided fields",
substrs=["instrumentation_class", "description", "mops"],
)
output_lines = self.res.GetOutput().split("\n")
json_line = "\n".join(output_lines[2:])
data = json.loads(json_line)
self.assertEqual(data["instrumentation_class"], "ThreadSanitizer")
self.assertEqual(data["issue_type"], "data-race")
self.assertEqual(len(data["mops"]), 2)
self.assertEqual(data["mops"][0]["thread_id"], report_thread_id)
other_thread_id = data["mops"][1]["thread_id"]
self.assertNotEqual(other_thread_id, report_thread_id)
other_thread = self.dbg.GetSelectedTarget().process.GetThreadByIndexID(
other_thread_id
)
self.assertTrue(other_thread.IsValid())
self.runCmd("thread select %d" % other_thread_id)
self.expect(
"thread backtrace",
"The other thread should be stopped in f1 or f2",
substrs=["a.out", "main.c"],
)
|
