Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / tools / perf / scripts / python / Perf-Trace-Util / lib / Perf / Trace / Util.py

diff --git a/kernel/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py b/kernel/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
new file mode 100644 (file)
index 0000000..15c8400
--- /dev/null
+++ b/kernel/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
@@ -0,0 +1,86 @@
+# Util.py - Python extension for perf script, miscellaneous utility code
+#
+# Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com>
+#
+# This software may be distributed under the terms of the GNU General
+# 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):
+    return total / n
+
+def nsecs(secs, nsecs):
+    return secs * NSECS_PER_SEC + nsecs
+
+def nsecs_secs(nsecs):
+    return nsecs / NSECS_PER_SEC
+
+def nsecs_nsecs(nsecs):
+    return nsecs % NSECS_PER_SEC
+
+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