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1 | #!/usr/bin/env python3 |
2 | # sequence_test.py | |
3 | # | |
4 | # Babeltrace example script based on the Babeltrace API test script | |
5 | # | |
6 | # Copyright 2013 Xiaona Han | |
7 | # Copyright 2012 EfficiOS Inc. | |
8 | # | |
9 | # Author: Danny Serres <danny.serres@efficios.com> | |
10 | # Author: Xiaona Han <xiaonahappy13@163.com> | |
11 | # | |
12 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
13 | # of this software and associated documentation files (the "Software"), to deal | |
14 | # in the Software without restriction, including without limitation the rights | |
15 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
16 | # copies of the Software, and to permit persons to whom the Software is | |
17 | # furnished to do so, subject to the following conditions: | |
18 | # | |
19 | # The above copyright notice and this permission notice shall be included in | |
20 | # all copies or substantial portions of the Software. | |
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21 | # |
22 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
23 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
24 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
25 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
26 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
27 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
28 | # SOFTWARE. | |
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29 | |
30 | # This example uses the babeltrace python module | |
31 | # to partially test the sequence API | |
32 | ||
33 | import sys | |
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34 | import babeltrace.reader |
35 | ||
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36 | |
37 | # Check for path arg: | |
38 | if len(sys.argv) < 2: | |
a47ab64a | 39 | raise TypeError("Usage: sequence_test.py path/to/file") |
810a97be | 40 | |
74ea15ad | 41 | # Create TraceCollection and add trace: |
62c4fc67 | 42 | traces = babeltrace.reader.TraceCollection() |
74ea15ad | 43 | trace_handle = traces.add_trace(sys.argv[1], "ctf") |
810a97be | 44 | if trace_handle is None: |
a47ab64a | 45 | raise IOError("Error adding trace") |
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46 | |
47 | # Listing events | |
810a97be | 48 | print("--- Event list ---") |
8bb27181 | 49 | for event_declaration in trace_handle.events: |
a47ab64a | 50 | print("event : {}".format(event_declaration.name)) |
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51 | print("--- Done ---") |
52 | ||
74ea15ad | 53 | for event in traces.events: |
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54 | print("TS: {}, {} : {}".format(event.timestamp, |
55 | event.cycles, event.name)) | |
56 | ||
57 | try: | |
58 | sequence = event["seq_int_field"] | |
59 | print("int sequence values: {}". format(sequence)) | |
60 | except KeyError: | |
61 | pass | |
62 | ||
63 | try: | |
64 | sequence = event["seq_long_field"] | |
65 | print("long sequence values: {}". format(sequence)) | |
66 | except KeyError: | |
67 | pass |