Added Python interpreter version directives and reorganized example scripts

[babeltrace.git] / bindings / python / examples / syscalls_by_pid.py

diff --git a/bindings/python/examples/syscalls_by_pid.py b/bindings/python/examples/syscalls_by_pid.py
deleted file mode 100644 (file)
index 3ae342e..0000000
--- a/bindings/python/examples/syscalls_by_pid.py
+++ /dev/null
@@ -1,84 +0,0 @@
-# syscall_by_pid.py
-# 
-# Babeltrace syscall by pid example 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.
-
-# The script checks the number of events in the trace
-# and outputs a table and a .svg histogram for the specified
-# range (microseconds) or the total trace if no range specified.
-# The graph is generated using the cairoplot module.
-
-# The script checks all syscall in the trace and prints a list
-# showing the number of systemcalls executed by each PID
-# ordered from greatest to least number of syscalls.
-# The trace needs PID context (lttng add-context -k -t pid)
-
-import sys
-from babeltrace import *
-from output_format_modules.pprint_table import pprint_table as pprint
-
-if len(sys.argv) < 2 :
-       raise TypeError("Usage: python syscalls_by_pid.py path/to/trace")
-
-ctx = Context()
-ret = ctx.add_trace(sys.argv[1], "ctf")
-if ret is None:
-       raise IOError("Error adding trace")
-
-data = {}
-
-# Setting iterator
-bp = IterPos(SEEK_BEGIN)
-ctf_it = ctf.Iterator(ctx, bp)
-
-# Reading events
-event = ctf_it.read_event()
-while event is not None:
-       if event.get_name().find("sys") >= 0:
-               # Getting scope definition
-               sco = event.get_top_level_scope(ctf.scope.STREAM_EVENT_CONTEXT)
-               if sco is None:
-                       print("ERROR: Cannot get definition scope for {}".format(
-                               event.get_name()))
-               else:
-                       # Getting PID
-                       pid_field = event.get_field(sco, "_pid")
-                       pid = pid_field.get_int64()
-
-                       if ctf.field_error():
-                               print("ERROR: Missing PID info for sched_switch".format(
-                                       event.get_name()))
-                       elif pid in data:
-                               data[pid] += 1
-                       else:
-                               data[pid] = 1
-       # Next event
-       ret = ctf_it.next()
-       if ret < 0:
-               break
-       event = ctf_it.read_event()
-
-del ctf_it
-
-# Setting table for output
-table = []
-for item in data:
-       table.append([data[item], item])  # [count, pid]
-table.sort(reverse = True)     # [big count first, pid]
-for i in range(len(table)):
-       table[i].reverse()      # [pid, big count first]
-table.insert(0, ["PID", "SYSCALL COUNT"])
-pprint(table)