nmosier wrote: I went ahead and turned `TraceItemStorage` into a variant. I also deleted the memory usage / bytes from the tests. Also, I noticed some error messages were different for some tests — I'm guessing they may have changed in newer versions of libipt.
Right now, only 1 test fails:
```
======================================================================
FAIL: testStartPerCpuSession
(TestTraceStartStopMultipleThreads.TestTraceStartStopMultipleThreads)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/llvm/lldb/packages/Python/lldbsuite/test/decorators.py", line 162, in
wrapper
return func(*args, **kwargs)
File
"/llvm/lldb/packages/Python/lldbsuite/test/tools/intelpt/intelpt_testcase.py",
line 14, in wrapper
func(*args, **kwargs)
File
"/llvm/lldb/test/API/commands/trace/multiple-threads/TestTraceStartStopMultipleThreads.py",
line 260, in testStartPerCpuSession
self.expect("thread trace dump instructions")
File "/llvm/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 2353, in
expect
self.runCmd(
File "/llvm/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 2031, in
runCmd
self.assertTrue(self.res.Succeeded(), msg if (msg) else CMD_MSG(cmd))
AssertionError: False is not True : Command 'thread trace dump instructions
Error output:
error: Malformed perf context switch trace for cpu 14 at offset 64. A context
switch record doesn't happen after the previous record. Previous TSC=
2215501248, current TSC = 22155012
48.
' did not return successfully
Config=x86_64-/llvm-build/bin/clang
```
https://github.com/llvm/llvm-project/pull/77252
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