| 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. |
| 21 | |
| 22 | # This example uses the babeltrace python module |
| 23 | # to partially test the sequence API |
| 24 | |
| 25 | import sys |
| 26 | from babeltrace import * |
| 27 | |
| 28 | # Check for path arg: |
| 29 | if len(sys.argv) < 2: |
| 30 | raise TypeError("Usage: sequence_test.py path/to/file") |
| 31 | |
| 32 | # Create TraceCollection and add trace: |
| 33 | traces = TraceCollection() |
| 34 | trace_handle = traces.add_trace(sys.argv[1], "ctf") |
| 35 | if trace_handle is None: |
| 36 | raise IOError("Error adding trace") |
| 37 | |
| 38 | # Listing events |
| 39 | lst = get_event_decl_list(trace_handle, traces) |
| 40 | print("--- Event list ---") |
| 41 | for item in lst: |
| 42 | print("event : {}".format(item.get_name())) |
| 43 | print("--- Done ---") |
| 44 | |
| 45 | for event in traces.events: |
| 46 | print("TS: {}, {} : {}".format(event.timestamp, |
| 47 | event.cycles, event.name)) |
| 48 | |
| 49 | try: |
| 50 | sequence = event["seq_int_field"] |
| 51 | print("int sequence values: {}". format(sequence)) |
| 52 | except KeyError: |
| 53 | pass |
| 54 | |
| 55 | try: |
| 56 | sequence = event["seq_long_field"] |
| 57 | print("long sequence values: {}". format(sequence)) |
| 58 | except KeyError: |
| 59 | pass |