1 # Core.py - Python extension for perf script, core functions
3 # Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com>
5 # This software may be distributed under the terms of the GNU General
6 # Public License ("GPL") version 2 as published by the Free Software
9 from collections import defaultdict
12 return defaultdict(autodict)
14 flag_fields = autodict()
15 symbolic_fields = autodict()
17 def define_flag_field(event_name, field_name, delim):
18 flag_fields[event_name][field_name]['delim'] = delim
20 def define_flag_value(event_name, field_name, value, field_str):
21 flag_fields[event_name][field_name]['values'][value] = field_str
23 def define_symbolic_field(event_name, field_name):
24 # nothing to do, really
27 def define_symbolic_value(event_name, field_name, value, field_str):
28 symbolic_fields[event_name][field_name]['values'][value] = field_str
30 def flag_str(event_name, field_name, value):
33 if flag_fields[event_name][field_name]:
35 keys = flag_fields[event_name][field_name]['values'].keys()
38 if not value and not idx:
39 string += flag_fields[event_name][field_name]['values'][idx]
41 if idx and (value & idx) == idx:
42 if print_delim and flag_fields[event_name][field_name]['delim']:
43 string += " " + flag_fields[event_name][field_name]['delim'] + " "
44 string += flag_fields[event_name][field_name]['values'][idx]
50 def symbol_str(event_name, field_name, value):
53 if symbolic_fields[event_name][field_name]:
54 keys = symbolic_fields[event_name][field_name]['values'].keys()
57 if not value and not idx:
58 string = symbolic_fields[event_name][field_name]['values'][idx]
61 string = symbolic_fields[event_name][field_name]['values'][idx]
66 trace_flags = { 0x00: "NONE", \
68 0x02: "IRQS_NOSUPPORT", \
69 0x04: "NEED_RESCHED", \
73 def trace_flag_str(value):
77 keys = trace_flags.keys()
80 if not value and not idx:
84 if idx and (value & idx) == idx:
87 string += trace_flags[idx]
102 if state not in states:
109 def __init__(self, common_cpu, common_secs, common_nsecs,
110 common_pid, common_comm):
111 self.cpu = common_cpu
112 self.secs = common_secs
113 self.nsecs = common_nsecs
114 self.pid = common_pid
115 self.comm = common_comm
118 return (self.secs * (10 ** 9)) + self.nsecs
121 return "%d.%d" % (self.secs, int(self.nsecs / 1000))