Move Python bindings to babeltrace subfolder

[babeltrace.git] / bindings / python / babeltrace / examples / example-api-test.py

diff --git a/bindings/python/babeltrace/examples/example-api-test.py b/bindings/python/babeltrace/examples/example-api-test.py
new file mode 100644 (file)
index 0000000..56a8f88
--- /dev/null
+++ b/bindings/python/babeltrace/examples/example-api-test.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+# example_api_test.py
+#
+# Babeltrace example script based on the Babeltrace API test script
+#
+# Copyright 2012 EfficiOS Inc.
+#
+# Author: Danny Serres <danny.serres@efficios.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# This example uses the babeltrace python module
+# to partially test the api.
+
+import sys
+from babeltrace import *
+
+# Check for path arg:
+if len(sys.argv) < 2:
+       raise TypeError("Usage: python example-api-test.py path/to/file")
+
+# Create TraceCollection and add trace:
+traces = TraceCollection()
+trace_handle = traces.add_trace(sys.argv[1], "ctf")
+if trace_handle is None:
+       raise IOError("Error adding trace")
+
+# Listing events
+print("--- Event list ---")
+for event_declaration in trace_handle.events:
+       print("event : {}".format(event_declaration.name))
+       if event_declaration.name == "sched_switch":
+               for field_declaration in event_declaration.fields:
+                       print(field_declaration)
+print("--- Done ---")
+
+for event in traces.events:
+       print("TS: {}, {} : {}".format(event.timestamp, event.cycles, event.name))
+
+       if event.name == "sched_switch":
+               prev_comm = event["prev_comm"]
+               if prev_comm is None:
+                       print("ERROR: Missing prev_comm context info")
+               else:
+                       print("sched_switch prev_comm: {}".format(prev_comm))
+
+       if event.name == "exit_syscall":
+               ret_code = event["ret"]
+               if ret_code is None:
+                       print("ERROR: Unable to extract ret")
+               else:
+                       print("exit_syscall ret: {}".format(ret_code))