1bdea6cc7eec63a80b2b848f2cd858469af25892
4 # Babeltrace example script based on the Babeltrace API test script
6 # Copyright 2012 EfficiOS Inc.
8 # Author: Danny Serres <danny.serres@efficios.com>
10 # Permission is hereby granted, free of charge, to any person obtaining a copy
11 # of this software and associated documentation files (the "Software"), to deal
12 # in the Software without restriction, including without limitation the rights
13 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 # copies of the Software, and to permit persons to whom the Software is
15 # furnished to do so, subject to the following conditions:
17 # The above copyright notice and this permission notice shall be included in
18 # all copies or substantial portions of the Software.
20 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 # This example uses the babeltrace python module
29 # to partially test the api.
32 import babeltrace
.reader
37 raise TypeError("Usage: python example-api-test.py path/to/file")
39 # Create TraceCollection and add trace:
40 traces
= babeltrace
.reader
.TraceCollection()
41 trace_handle
= traces
.add_trace(sys
.argv
[1], "ctf")
42 if trace_handle
is None:
43 raise IOError("Error adding trace")
46 print("--- Event list ---")
47 for event_declaration
in trace_handle
.events
:
48 print("event : {}".format(event_declaration
.name
))
49 if event_declaration
.name
== "sched_switch":
50 for field_declaration
in event_declaration
.fields
:
51 print(field_declaration
)
54 for event
in traces
.events
:
55 print("TS: {}, {} : {}".format(event
.timestamp
, event
.cycles
, event
.name
))
57 if event
.name
== "sched_switch":
58 prev_comm
= event
["prev_comm"]
60 print("ERROR: Missing prev_comm context info")
62 print("sched_switch prev_comm: {}".format(prev_comm
))
64 if event
.name
== "exit_syscall":
65 ret_code
= event
["ret"]
67 print("ERROR: Unable to extract ret")
69 print("exit_syscall ret: {}".format(ret_code
))
This page took 0.032807 seconds and 3 git commands to generate.