| 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] |
| 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 |
| }''']) |
| |
| @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=[f'''thread #1: tid = .* |
| a.out`main \+ 23 at main.cpp:12 |
| 0: {ADDRESS_REGEX} movl .* |
| 1: \(event\) software disabled tracing |
| 2: {ADDRESS_REGEX} addl .* |
| 3: {ADDRESS_REGEX} movl .* |
| 4: \(event\) software disabled tracing |
| a.out`main \+ 34 \[inlined\] inline_function\(\) at main.cpp:4 |
| 5: {ADDRESS_REGEX} movl .* |
| a.out`main \+ 41 \[inlined\] inline_function\(\) \+ 7 at main.cpp:5 |
| 6: {ADDRESS_REGEX} movl .* |
| 7: {ADDRESS_REGEX} addl .* |
| 8: {ADDRESS_REGEX} movl .* |
| a.out`main \+ 52 \[inlined\] inline_function\(\) \+ 18 at main.cpp:6 |
| 9: {ADDRESS_REGEX} movl .* |
| a.out`main \+ 55 at main.cpp:14 |
| 10: {ADDRESS_REGEX} movl .* |
| 11: {ADDRESS_REGEX} addl .* |
| 12: {ADDRESS_REGEX} movl .* |
| 13: \(event\) software disabled tracing |
| a.out`main \+ 63 at main.cpp:16 |
| 14: {ADDRESS_REGEX} callq .* ; symbol stub for: foo\(\) |
| 15: \(event\) software disabled tracing |
| a.out`symbol stub for: foo\(\) |
| 16: {ADDRESS_REGEX} jmpq''']) |
| |
| # We ensure that the paused events are printed correctly backward |
| self.expect("thread trace dump instructions -e --id 16", |
| patterns=[f'''thread #1: tid = .* |
| a.out`symbol stub for: foo\(\) |
| 16: {ADDRESS_REGEX} jmpq .* |
| 15: \(event\) software disabled tracing |
| a.out`main \+ 63 at main.cpp:16 |
| 14: {ADDRESS_REGEX} callq .* ; symbol stub for: foo\(\) |
| 13: \(event\) software disabled tracing |
| a.out`main \+ 60 at main.cpp:14 |
| 12: {ADDRESS_REGEX} movl .* |
| 11: {ADDRESS_REGEX} addl .* |
| 10: {ADDRESS_REGEX} movl .* |
| a.out`main \+ 52 \[inlined\] inline_function\(\) \+ 18 at main.cpp:6 |
| 9: {ADDRESS_REGEX} movl .* |
| a.out`main \+ 49 \[inlined\] inline_function\(\) \+ 15 at main.cpp:5 |
| 8: {ADDRESS_REGEX} movl .* |
| 7: {ADDRESS_REGEX} addl .* |
| 6: {ADDRESS_REGEX} movl .* |
| a.out`main \+ 34 \[inlined\] inline_function\(\) at main.cpp:4 |
| 5: {ADDRESS_REGEX} movl .* |
| 4: \(event\) software disabled tracing |
| a.out`main \+ 31 at main.cpp:12 |
| 3: {ADDRESS_REGEX} movl .* |
| 2: {ADDRESS_REGEX} addl .* |
| 1: \(event\) software disabled tracing |
| 0: {ADDRESS_REGEX} movl .*''']) |