1 # Util.py - Python extension for perf script, miscellaneous utility code
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
13 FUTEX_PRIVATE_FLAG = 128
14 FUTEX_CLOCK_REALTIME = 256
15 FUTEX_CMD_MASK = ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
17 NSECS_PER_SEC = 1000000000
22 def nsecs(secs, nsecs):
23 return secs * NSECS_PER_SEC + nsecs
25 def nsecs_secs(nsecs):
26 return nsecs / NSECS_PER_SEC
28 def nsecs_nsecs(nsecs):
29 return nsecs % NSECS_PER_SEC
32 str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)),
35 def add_stats(dict, key, value):
36 if not dict.has_key(key):
37 dict[key] = (value, value, value, 1)
39 min, max, avg, count = dict[key]
44 avg = (avg + value) / 2
45 dict[key] = (min, max, avg, count + 1)
48 print("\x1b[H\x1b[2J")
50 audit_package_warned = False
55 'x86_64': audit.MACH_86_64,
56 'alpha' : audit.MACH_ALPHA,
57 'ia64' : audit.MACH_IA64,
58 'ppc' : audit.MACH_PPC,
59 'ppc64' : audit.MACH_PPC64,
60 's390' : audit.MACH_S390,
61 's390x' : audit.MACH_S390X,
62 'i386' : audit.MACH_X86,
63 'i586' : audit.MACH_X86,
64 'i686' : audit.MACH_X86,
67 machine_to_id['armeb'] = audit.MACH_ARMEB
70 machine_id = machine_to_id[os.uname()[4]]
72 if not audit_package_warned:
73 audit_package_warned = True
74 print "Install the audit-libs-python package to get syscall names"
78 return audit.audit_syscall_to_name(id, machine_id)
84 return errno.errorcode[abs(nr)]
86 return "Unknown %d errno" % nr