diff options
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf')
| -rw-r--r-- | tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py index 9689bc0acd9f..13cc02b5893a 100644 --- a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py +++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py @@ -6,6 +6,14 @@ # Public License ("GPL") version 2 as published by the Free Software # Foundation. +import errno, os + +FUTEX_WAIT = 0 +FUTEX_WAKE = 1 +FUTEX_PRIVATE_FLAG = 128 +FUTEX_CLOCK_REALTIME = 256 +FUTEX_CMD_MASK = ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME) + NSECS_PER_SEC = 1000000000 def avg(total, n): @@ -24,5 +32,55 @@ def nsecs_str(nsecs): str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)), return str +def add_stats(dict, key, value): + if not dict.has_key(key): + dict[key] = (value, value, value, 1) + else: + min, max, avg, count = dict[key] + if value < min: + min = value + if value > max: + max = value + avg = (avg + value) / 2 + dict[key] = (min, max, avg, count + 1) + def clear_term(): print("\x1b[H\x1b[2J") + +audit_package_warned = False + +try: + import audit + machine_to_id = { + 'x86_64': audit.MACH_86_64, + 'alpha' : audit.MACH_ALPHA, + 'ia64' : audit.MACH_IA64, + 'ppc' : audit.MACH_PPC, + 'ppc64' : audit.MACH_PPC64, + 's390' : audit.MACH_S390, + 's390x' : audit.MACH_S390X, + 'i386' : audit.MACH_X86, + 'i586' : audit.MACH_X86, + 'i686' : audit.MACH_X86, + } + try: + machine_to_id['armeb'] = audit.MACH_ARMEB + except: + pass + machine_id = machine_to_id[os.uname()[4]] +except: + if not audit_package_warned: + audit_package_warned = True + print "Install the audit-libs-python package to get syscall names" + +def syscall_name(id): + try: + return audit.audit_syscall_to_name(id, machine_id) + except: + return str(id) + +def strerror(nr): + try: + return errno.errorcode[abs(nr)] + except: + return "Unknown %d errno" % nr |