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netbsd/external/cddl/dtracetoolkit/dist/Examples/py_profile_example.txt
Lionel Sambuc db4f849365 2015/10/10 12:00:00 UTC
2015-10-15 10:25:28 +02:00

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The following are examples of py_profile.d.
This samples stack traces for the process specified. This stack trace will
cross the Python engine and system libraries, and insert translations for
Python stack frames where appropriate. Here you can see it running on
Code/Python/func_slow.py
# py_profile.d -c ./func_slow.py
Sampling 10-level stacks at 1001 Hertz... Hit Ctrl-C to end.
Function A
Function B
Function C
Top 25 most frequently sampled stacks,
libpython2.4.so.1.0`PyEval_EvalFrame+0x266
[ ./func_slow.py:3 (func_c) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:16 (func_b) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:24 (func_a) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
11
libpython2.4.so.1.0`PyEval_EvalFrame+0x278
[ ./func_slow.py:3 (func_c) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:16 (func_b) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:24 (func_a) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
11
libpython2.4.so.1.0`PyEval_EvalFrame+0x278a
[ ./func_slow.py:10 (func_b) ]
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libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:24 (func_a) ]
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libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
libpython2.4.so.1.0`PyEval_EvalCodeEx+0x732
libpython2.4.so.1.0`PyEval_EvalCode+0x22
libpython2.4.so.1.0`run_node+0x35
11
libpython2.4.so.1.0`PyEval_EvalFrame+0x205
[ ./func_slow.py:18 (func_a) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
libpython2.4.so.1.0`PyEval_EvalCodeEx+0x732
libpython2.4.so.1.0`PyEval_EvalCode+0x22
libpython2.4.so.1.0`run_node+0x35
libpython2.4.so.1.0`run_err_node+0x1f
libpython2.4.so.1.0`PyRun_FileExFlags+0x5e
libpython2.4.so.1.0`PyRun_SimpleFileExFlags+0x12f
12
libpython2.4.so.1.0`PyEval_EvalFrame+0x1fe
[ ./func_slow.py:10 (func_b) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:24 (func_a) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
libpython2.4.so.1.0`PyEval_EvalCodeEx+0x732
libpython2.4.so.1.0`PyEval_EvalCode+0x22
libpython2.4.so.1.0`run_node+0x35
13
libpython2.4.so.1.0`PyEval_EvalFrame+0x35d
[ ./func_slow.py:10 (func_b) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:24 (func_a) ]
libpython2.4.so.1.0`fast_function+0xa8
libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
libpython2.4.so.1.0`PyEval_EvalCodeEx+0x732
libpython2.4.so.1.0`PyEval_EvalCode+0x22
libpython2.4.so.1.0`run_node+0x35
13
libpython2.4.so.1.0`PyEval_EvalFrame+0x1f5
[ ./func_slow.py:10 (func_b) ]
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libpython2.4.so.1.0`call_function+0xda
libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:24 (func_a) ]
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libpython2.4.so.1.0`PyEval_EvalFrame+0xbdf
[ ./func_slow.py:26 (?) ]
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libpython2.4.so.1.0`run_node+0x35
14
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:26 (?) ]
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
15
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[ ./func_slow.py:10 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
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15
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
17
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
17
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
17
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
18
libc.so.1`ioctl+0x7
libpython2.4.so.1.0`_init+0x25
ld.so.1`call_init+0xff
ld.so.1`setup+0xf93
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ld.so.1`_rt_boot+0x56
0x8047e5c
19
libpython2.4.so.1.0`PyEval_EvalFrame+0x5a4
[ ./func_slow.py:18 (func_a) ]
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[ ./func_slow.py:26 (?) ]
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20
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
20
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[ ./func_slow.py:10 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
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libpython2.4.so.1.0`run_node+0x35
22
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[ ./func_slow.py:10 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
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22
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
24
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[ ./func_slow.py:10 (func_b) ]
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[ ./func_slow.py:26 (?) ]
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
35
libpython2.4.so.1.0`PyEval_EvalFrame+0x5a4
[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
47
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[ ./func_slow.py:3 (func_c) ]
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[ ./func_slow.py:16 (func_b) ]
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[ ./func_slow.py:24 (func_a) ]
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[ ./func_slow.py:26 (?) ]
50
The lines in square brackets are the native Python frames, the rest
are the Python engine.
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