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