【问题标题】：Python Dtrace patched, but still getting "invalid probe specifier" running test scriptsPython Dtrace 已修补，但运行测试脚本时仍出现“无效的探针说明符”
【发布时间】：2023-04-06 19:47:01
【问题描述】：

我用Issue 13405 修补了Python 2.7.3，然后用--with-dtrace 配置选项编译了python。

当我运行 test_dtrace 脚本时，测试失败并出现错误：

无效的探测说明符

如下图：

======================================================================
FAIL: test_function_entry_return (test_dtrace.DTraceTestsNormal)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test_dtrace.py", line 99, in test_function_entry_return
    self.assertEqual(actual_result, expected_result)
AssertionError: 'dtrace: invalid probe specifier python*$target:::function-entry{    printf("Function entry %d ", timestamp);}python*$target:::function-entry,python*$target:::function-return{    printf("%d\t**%s*%s*%s*%d\\n", timestamp,        probename, copyinstr(arg0),        copyinstr(arg1), arg2);}python*$target:::function-return/(copyinstr(arg0)=="/Users/ramandeep/src/src/Python-2.7.3/dtrace_sample.py") &&(copyinstr(arg1)=="test_entry_return_and_stack")/{    self->trace = 0;}: probe description python*36447:::function-entry does not match any probes' !=  ...

【问题讨论】：

    标签：
    python
    osx-mountain-lion
    cpython
    dtrace
    probe