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import lldb
from intelpt_testcase import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from lldbsuite.test.decorators import *
class TestTraceEvents(TraceIntelPTTestCaseBase):
@testSBAPIAndCommands
def testCPUEvents(self):
trace_description_file_path = os.path.join(
self.getSourceDir(),
"intelpt-multi-core-trace",
"trace_missing_threads.json",
)
self.traceLoad(
traceDescriptionFilePath=trace_description_file_path, substrs=["intel-pt"]
)
self.expect(
"thread trace dump instructions 3 -e --forward -c 5",
substrs=[
"""thread #3: tid = 3497496
0: (event) HW clock tick [40450075477621505]
1: (event) CPU core changed [new CPU=51]
2: (event) HW clock tick [40450075477657246]
3: (event) trace synchronization point [offset = 0x0x1331]
m.out`foo() + 65 at multi_thread.cpp:12:21"""
],
)
self.expect(
"thread trace dump instructions 3 -e --forward -c 5 -J",
substrs=[
"""{
"id": 0,
"event": "HW clock tick",
"hwClock": 40450075477621505
},
{
"id": 1,
"event": "CPU core changed",
"cpuId": 51
}"""
],
)
@skipIfNoIntelPT
@testSBAPIAndCommands
def testPauseEvents(self):
"""
Everytime the target stops running on the CPU, a 'disabled' event will
be emitted, which is represented by the TraceCursor API as a 'paused'
event.
"""
self.expect(
"target create "
+ os.path.join(self.getSourceDir(), "intelpt-trace-multi-file", "a.out")
)
self.expect("b 12")
self.expect("r")
self.traceStartThread()
self.expect("n")
self.expect("n")
self.expect("si")
self.expect("si")
self.expect("si")
# We ensure that the paused events are printed correctly forward
self.expect(
"thread trace dump instructions -e -f",
patterns=[
rf"""thread #1: tid = .*
0: \(event\) trace synchronization point \[offset \= 0x0xec0\]
1: \(event\) hardware disabled tracing
a.out`main \+ 23 at main.cpp:12
2: {ADDRESS_REGEX} movl .*
3: \(event\) software disabled tracing
4: {ADDRESS_REGEX} addl .*
5: {ADDRESS_REGEX} movl .*
6: \(event\) software disabled tracing
a.out`main \+ 34 \[inlined\] inline_function\(\) at main.cpp:4
7: {ADDRESS_REGEX} movl .*
a.out`main \+ 41 \[inlined\] inline_function\(\) \+ 7 at main.cpp:5
8: {ADDRESS_REGEX} movl .*
9: {ADDRESS_REGEX} addl .*
10: {ADDRESS_REGEX} movl .*
a.out`main \+ 52 \[inlined\] inline_function\(\) \+ 18 at main.cpp:6
11: {ADDRESS_REGEX} movl .*
a.out`main \+ 55 at main.cpp:14
12: {ADDRESS_REGEX} movl .*
13: {ADDRESS_REGEX} addl .*
14: {ADDRESS_REGEX} movl .*
15: \(event\) software disabled tracing
a.out`main \+ 63 at main.cpp:16
16: {ADDRESS_REGEX} callq .* ; symbol stub for: foo\(\)
17: \(event\) software disabled tracing
a.out`symbol stub for: foo\(\)
18: {ADDRESS_REGEX} jmpq"""
],
)
# We ensure that the paused events are printed correctly backward
self.expect(
"thread trace dump instructions -e --id 18",
patterns=[
rf"""thread #1: tid = .*
a.out`symbol stub for: foo\(\)
18: {ADDRESS_REGEX} jmpq .*
17: \(event\) software disabled tracing
a.out`main \+ 63 at main.cpp:16
16: {ADDRESS_REGEX} callq .* ; symbol stub for: foo\(\)
15: \(event\) software disabled tracing
a.out`main \+ 60 at main.cpp:14
14: {ADDRESS_REGEX} movl .*
13: {ADDRESS_REGEX} addl .*
12: {ADDRESS_REGEX} movl .*
a.out`main \+ 52 \[inlined\] inline_function\(\) \+ 18 at main.cpp:6
11: {ADDRESS_REGEX} movl .*
a.out`main \+ 49 \[inlined\] inline_function\(\) \+ 15 at main.cpp:5
10: {ADDRESS_REGEX} movl .*
9: {ADDRESS_REGEX} addl .*
8: {ADDRESS_REGEX} movl .*
a.out`main \+ 34 \[inlined\] inline_function\(\) at main.cpp:4
7: {ADDRESS_REGEX} movl .*
6: \(event\) software disabled tracing
a.out`main \+ 31 at main.cpp:12
5: {ADDRESS_REGEX} movl .*
4: {ADDRESS_REGEX} addl .*
3: \(event\) software disabled tracing
2: {ADDRESS_REGEX} movl .*
1: \(event\) hardware disabled tracing
0: \(event\) trace synchronization point \[offset \= 0x0xec0\]"""
],
)
|
